diff options
Diffstat (limited to 'node_modules/js-yaml/dist')
| -rw-r--r-- | node_modules/js-yaml/dist/js-yaml.js | 3874 | ||||
| -rw-r--r-- | node_modules/js-yaml/dist/js-yaml.min.js | 2 | ||||
| -rw-r--r-- | node_modules/js-yaml/dist/js-yaml.mjs | 3851 |
3 files changed, 7727 insertions, 0 deletions
diff --git a/node_modules/js-yaml/dist/js-yaml.js b/node_modules/js-yaml/dist/js-yaml.js new file mode 100644 index 0000000..4cc0ddf --- /dev/null +++ b/node_modules/js-yaml/dist/js-yaml.js @@ -0,0 +1,3874 @@ + +/*! js-yaml 4.1.0 https://github.com/nodeca/js-yaml @license MIT */ +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : + typeof define === 'function' && define.amd ? define(['exports'], factory) : + (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.jsyaml = {})); +}(this, (function (exports) { 'use strict'; + + function isNothing(subject) { + return (typeof subject === 'undefined') || (subject === null); + } + + + function isObject(subject) { + return (typeof subject === 'object') && (subject !== null); + } + + + function toArray(sequence) { + if (Array.isArray(sequence)) return sequence; + else if (isNothing(sequence)) return []; + + return [ sequence ]; + } + + + function extend(target, source) { + var index, length, key, sourceKeys; + + if (source) { + sourceKeys = Object.keys(source); + + for (index = 0, length = sourceKeys.length; index < length; index += 1) { + key = sourceKeys[index]; + target[key] = source[key]; + } + } + + return target; + } + + + function repeat(string, count) { + var result = '', cycle; + + for (cycle = 0; cycle < count; cycle += 1) { + result += string; + } + + return result; + } + + + function isNegativeZero(number) { + return (number === 0) && (Number.NEGATIVE_INFINITY === 1 / number); + } + + + var isNothing_1 = isNothing; + var isObject_1 = isObject; + var toArray_1 = toArray; + var repeat_1 = repeat; + var isNegativeZero_1 = isNegativeZero; + var extend_1 = extend; + + var common = { + isNothing: isNothing_1, + isObject: isObject_1, + toArray: toArray_1, + repeat: repeat_1, + isNegativeZero: isNegativeZero_1, + extend: extend_1 + }; + + // YAML error class. http://stackoverflow.com/questions/8458984 + + + function formatError(exception, compact) { + var where = '', message = exception.reason || '(unknown reason)'; + + if (!exception.mark) return message; + + if (exception.mark.name) { + where += 'in "' + exception.mark.name + '" '; + } + + where += '(' + (exception.mark.line + 1) + ':' + (exception.mark.column + 1) + ')'; + + if (!compact && exception.mark.snippet) { + where += '\n\n' + exception.mark.snippet; + } + + return message + ' ' + where; + } + + + function YAMLException$1(reason, mark) { + // Super constructor + Error.call(this); + + this.name = 'YAMLException'; + this.reason = reason; + this.mark = mark; + this.message = formatError(this, false); + + // Include stack trace in error object + if (Error.captureStackTrace) { + // Chrome and NodeJS + Error.captureStackTrace(this, this.constructor); + } else { + // FF, IE 10+ and Safari 6+. Fallback for others + this.stack = (new Error()).stack || ''; + } + } + + + // Inherit from Error + YAMLException$1.prototype = Object.create(Error.prototype); + YAMLException$1.prototype.constructor = YAMLException$1; + + + YAMLException$1.prototype.toString = function toString(compact) { + return this.name + ': ' + formatError(this, compact); + }; + + + var exception = YAMLException$1; + + // get snippet for a single line, respecting maxLength + function getLine(buffer, lineStart, lineEnd, position, maxLineLength) { + var head = ''; + var tail = ''; + var maxHalfLength = Math.floor(maxLineLength / 2) - 1; + + if (position - lineStart > maxHalfLength) { + head = ' ... '; + lineStart = position - maxHalfLength + head.length; + } + + if (lineEnd - position > maxHalfLength) { + tail = ' ...'; + lineEnd = position + maxHalfLength - tail.length; + } + + return { + str: head + buffer.slice(lineStart, lineEnd).replace(/\t/g, '→') + tail, + pos: position - lineStart + head.length // relative position + }; + } + + + function padStart(string, max) { + return common.repeat(' ', max - string.length) + string; + } + + + function makeSnippet(mark, options) { + options = Object.create(options || null); + + if (!mark.buffer) return null; + + if (!options.maxLength) options.maxLength = 79; + if (typeof options.indent !== 'number') options.indent = 1; + if (typeof options.linesBefore !== 'number') options.linesBefore = 3; + if (typeof options.linesAfter !== 'number') options.linesAfter = 2; + + var re = /\r?\n|\r|\0/g; + var lineStarts = [ 0 ]; + var lineEnds = []; + var match; + var foundLineNo = -1; + + while ((match = re.exec(mark.buffer))) { + lineEnds.push(match.index); + lineStarts.push(match.index + match[0].length); + + if (mark.position <= match.index && foundLineNo < 0) { + foundLineNo = lineStarts.length - 2; + } + } + + if (foundLineNo < 0) foundLineNo = lineStarts.length - 1; + + var result = '', i, line; + var lineNoLength = Math.min(mark.line + options.linesAfter, lineEnds.length).toString().length; + var maxLineLength = options.maxLength - (options.indent + lineNoLength + 3); + + for (i = 1; i <= options.linesBefore; i++) { + if (foundLineNo - i < 0) break; + line = getLine( + mark.buffer, + lineStarts[foundLineNo - i], + lineEnds[foundLineNo - i], + mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo - i]), + maxLineLength + ); + result = common.repeat(' ', options.indent) + padStart((mark.line - i + 1).toString(), lineNoLength) + + ' | ' + line.str + '\n' + result; + } + + line = getLine(mark.buffer, lineStarts[foundLineNo], lineEnds[foundLineNo], mark.position, maxLineLength); + result += common.repeat(' ', options.indent) + padStart((mark.line + 1).toString(), lineNoLength) + + ' | ' + line.str + '\n'; + result += common.repeat('-', options.indent + lineNoLength + 3 + line.pos) + '^' + '\n'; + + for (i = 1; i <= options.linesAfter; i++) { + if (foundLineNo + i >= lineEnds.length) break; + line = getLine( + mark.buffer, + lineStarts[foundLineNo + i], + lineEnds[foundLineNo + i], + mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo + i]), + maxLineLength + ); + result += common.repeat(' ', options.indent) + padStart((mark.line + i + 1).toString(), lineNoLength) + + ' | ' + line.str + '\n'; + } + + return result.replace(/\n$/, ''); + } + + + var snippet = makeSnippet; + + var TYPE_CONSTRUCTOR_OPTIONS = [ + 'kind', + 'multi', + 'resolve', + 'construct', + 'instanceOf', + 'predicate', + 'represent', + 'representName', + 'defaultStyle', + 'styleAliases' + ]; + + var YAML_NODE_KINDS = [ + 'scalar', + 'sequence', + 'mapping' + ]; + + function compileStyleAliases(map) { + var result = {}; + + if (map !== null) { + Object.keys(map).forEach(function (style) { + map[style].forEach(function (alias) { + result[String(alias)] = style; + }); + }); + } + + return result; + } + + function Type$1(tag, options) { + options = options || {}; + + Object.keys(options).forEach(function (name) { + if (TYPE_CONSTRUCTOR_OPTIONS.indexOf(name) === -1) { + throw new exception('Unknown option "' + name + '" is met in definition of "' + tag + '" YAML type.'); + } + }); + + // TODO: Add tag format check. + this.options = options; // keep original options in case user wants to extend this type later + this.tag = tag; + this.kind = options['kind'] || null; + this.resolve = options['resolve'] || function () { return true; }; + this.construct = options['construct'] || function (data) { return data; }; + this.instanceOf = options['instanceOf'] || null; + this.predicate = options['predicate'] || null; + this.represent = options['represent'] || null; + this.representName = options['representName'] || null; + this.defaultStyle = options['defaultStyle'] || null; + this.multi = options['multi'] || false; + this.styleAliases = compileStyleAliases(options['styleAliases'] || null); + + if (YAML_NODE_KINDS.indexOf(this.kind) === -1) { + throw new exception('Unknown kind "' + this.kind + '" is specified for "' + tag + '" YAML type.'); + } + } + + var type = Type$1; + + /*eslint-disable max-len*/ + + + + + + function compileList(schema, name) { + var result = []; + + schema[name].forEach(function (currentType) { + var newIndex = result.length; + + result.forEach(function (previousType, previousIndex) { + if (previousType.tag === currentType.tag && + previousType.kind === currentType.kind && + previousType.multi === currentType.multi) { + + newIndex = previousIndex; + } + }); + + result[newIndex] = currentType; + }); + + return result; + } + + + function compileMap(/* lists... */) { + var result = { + scalar: {}, + sequence: {}, + mapping: {}, + fallback: {}, + multi: { + scalar: [], + sequence: [], + mapping: [], + fallback: [] + } + }, index, length; + + function collectType(type) { + if (type.multi) { + result.multi[type.kind].push(type); + result.multi['fallback'].push(type); + } else { + result[type.kind][type.tag] = result['fallback'][type.tag] = type; + } + } + + for (index = 0, length = arguments.length; index < length; index += 1) { + arguments[index].forEach(collectType); + } + return result; + } + + + function Schema$1(definition) { + return this.extend(definition); + } + + + Schema$1.prototype.extend = function extend(definition) { + var implicit = []; + var explicit = []; + + if (definition instanceof type) { + // Schema.extend(type) + explicit.push(definition); + + } else if (Array.isArray(definition)) { + // Schema.extend([ type1, type2, ... ]) + explicit = explicit.concat(definition); + + } else if (definition && (Array.isArray(definition.implicit) || Array.isArray(definition.explicit))) { + // Schema.extend({ explicit: [ type1, type2, ... ], implicit: [ type1, type2, ... ] }) + if (definition.implicit) implicit = implicit.concat(definition.implicit); + if (definition.explicit) explicit = explicit.concat(definition.explicit); + + } else { + throw new exception('Schema.extend argument should be a Type, [ Type ], ' + + 'or a schema definition ({ implicit: [...], explicit: [...] })'); + } + + implicit.forEach(function (type$1) { + if (!(type$1 instanceof type)) { + throw new exception('Specified list of YAML types (or a single Type object) contains a non-Type object.'); + } + + if (type$1.loadKind && type$1.loadKind !== 'scalar') { + throw new exception('There is a non-scalar type in the implicit list of a schema. Implicit resolving of such types is not supported.'); + } + + if (type$1.multi) { + throw new exception('There is a multi type in the implicit list of a schema. Multi tags can only be listed as explicit.'); + } + }); + + explicit.forEach(function (type$1) { + if (!(type$1 instanceof type)) { + throw new exception('Specified list of YAML types (or a single Type object) contains a non-Type object.'); + } + }); + + var result = Object.create(Schema$1.prototype); + + result.implicit = (this.implicit || []).concat(implicit); + result.explicit = (this.explicit || []).concat(explicit); + + result.compiledImplicit = compileList(result, 'implicit'); + result.compiledExplicit = compileList(result, 'explicit'); + result.compiledTypeMap = compileMap(result.compiledImplicit, result.compiledExplicit); + + return result; + }; + + + var schema = Schema$1; + + var str = new type('tag:yaml.org,2002:str', { + kind: 'scalar', + construct: function (data) { return data !== null ? data : ''; } + }); + + var seq = new type('tag:yaml.org,2002:seq', { + kind: 'sequence', + construct: function (data) { return data !== null ? data : []; } + }); + + var map = new type('tag:yaml.org,2002:map', { + kind: 'mapping', + construct: function (data) { return data !== null ? data : {}; } + }); + + var failsafe = new schema({ + explicit: [ + str, + seq, + map + ] + }); + + function resolveYamlNull(data) { + if (data === null) return true; + + var max = data.length; + + return (max === 1 && data === '~') || + (max === 4 && (data === 'null' || data === 'Null' || data === 'NULL')); + } + + function constructYamlNull() { + return null; + } + + function isNull(object) { + return object === null; + } + + var _null = new type('tag:yaml.org,2002:null', { + kind: 'scalar', + resolve: resolveYamlNull, + construct: constructYamlNull, + predicate: isNull, + represent: { + canonical: function () { return '~'; }, + lowercase: function () { return 'null'; }, + uppercase: function () { return 'NULL'; }, + camelcase: function () { return 'Null'; }, + empty: function () { return ''; } + }, + defaultStyle: 'lowercase' + }); + + function resolveYamlBoolean(data) { + if (data === null) return false; + + var max = data.length; + + return (max === 4 && (data === 'true' || data === 'True' || data === 'TRUE')) || + (max === 5 && (data === 'false' || data === 'False' || data === 'FALSE')); + } + + function constructYamlBoolean(data) { + return data === 'true' || + data === 'True' || + data === 'TRUE'; + } + + function isBoolean(object) { + return Object.prototype.toString.call(object) === '[object Boolean]'; + } + + var bool = new type('tag:yaml.org,2002:bool', { + kind: 'scalar', + resolve: resolveYamlBoolean, + construct: constructYamlBoolean, + predicate: isBoolean, + represent: { + lowercase: function (object) { return object ? 'true' : 'false'; }, + uppercase: function (object) { return object ? 'TRUE' : 'FALSE'; }, + camelcase: function (object) { return object ? 'True' : 'False'; } + }, + defaultStyle: 'lowercase' + }); + + function isHexCode(c) { + return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) || + ((0x41/* A */ <= c) && (c <= 0x46/* F */)) || + ((0x61/* a */ <= c) && (c <= 0x66/* f */)); + } + + function isOctCode(c) { + return ((0x30/* 0 */ <= c) && (c <= 0x37/* 7 */)); + } + + function isDecCode(c) { + return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)); + } + + function resolveYamlInteger(data) { + if (data === null) return false; + + var max = data.length, + index = 0, + hasDigits = false, + ch; + + if (!max) return false; + + ch = data[index]; + + // sign + if (ch === '-' || ch === '+') { + ch = data[++index]; + } + + if (ch === '0') { + // 0 + if (index + 1 === max) return true; + ch = data[++index]; + + // base 2, base 8, base 16 + + if (ch === 'b') { + // base 2 + index++; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (ch !== '0' && ch !== '1') return false; + hasDigits = true; + } + return hasDigits && ch !== '_'; + } + + + if (ch === 'x') { + // base 16 + index++; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (!isHexCode(data.charCodeAt(index))) return false; + hasDigits = true; + } + return hasDigits && ch !== '_'; + } + + + if (ch === 'o') { + // base 8 + index++; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (!isOctCode(data.charCodeAt(index))) return false; + hasDigits = true; + } + return hasDigits && ch !== '_'; + } + } + + // base 10 (except 0) + + // value should not start with `_`; + if (ch === '_') return false; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (!isDecCode(data.charCodeAt(index))) { + return false; + } + hasDigits = true; + } + + // Should have digits and should not end with `_` + if (!hasDigits || ch === '_') return false; + + return true; + } + + function constructYamlInteger(data) { + var value = data, sign = 1, ch; + + if (value.indexOf('_') !== -1) { + value = value.replace(/_/g, ''); + } + + ch = value[0]; + + if (ch === '-' || ch === '+') { + if (ch === '-') sign = -1; + value = value.slice(1); + ch = value[0]; + } + + if (value === '0') return 0; + + if (ch === '0') { + if (value[1] === 'b') return sign * parseInt(value.slice(2), 2); + if (value[1] === 'x') return sign * parseInt(value.slice(2), 16); + if (value[1] === 'o') return sign * parseInt(value.slice(2), 8); + } + + return sign * parseInt(value, 10); + } + + function isInteger(object) { + return (Object.prototype.toString.call(object)) === '[object Number]' && + (object % 1 === 0 && !common.isNegativeZero(object)); + } + + var int = new type('tag:yaml.org,2002:int', { + kind: 'scalar', + resolve: resolveYamlInteger, + construct: constructYamlInteger, + predicate: isInteger, + represent: { + binary: function (obj) { return obj >= 0 ? '0b' + obj.toString(2) : '-0b' + obj.toString(2).slice(1); }, + octal: function (obj) { return obj >= 0 ? '0o' + obj.toString(8) : '-0o' + obj.toString(8).slice(1); }, + decimal: function (obj) { return obj.toString(10); }, + /* eslint-disable max-len */ + hexadecimal: function (obj) { return obj >= 0 ? '0x' + obj.toString(16).toUpperCase() : '-0x' + obj.toString(16).toUpperCase().slice(1); } + }, + defaultStyle: 'decimal', + styleAliases: { + binary: [ 2, 'bin' ], + octal: [ 8, 'oct' ], + decimal: [ 10, 'dec' ], + hexadecimal: [ 16, 'hex' ] + } + }); + + var YAML_FLOAT_PATTERN = new RegExp( + // 2.5e4, 2.5 and integers + '^(?:[-+]?(?:[0-9][0-9_]*)(?:\\.[0-9_]*)?(?:[eE][-+]?[0-9]+)?' + + // .2e4, .2 + // special case, seems not from spec + '|\\.[0-9_]+(?:[eE][-+]?[0-9]+)?' + + // .inf + '|[-+]?\\.(?:inf|Inf|INF)' + + // .nan + '|\\.(?:nan|NaN|NAN))$'); + + function resolveYamlFloat(data) { + if (data === null) return false; + + if (!YAML_FLOAT_PATTERN.test(data) || + // Quick hack to not allow integers end with `_` + // Probably should update regexp & check speed + data[data.length - 1] === '_') { + return false; + } + + return true; + } + + function constructYamlFloat(data) { + var value, sign; + + value = data.replace(/_/g, '').toLowerCase(); + sign = value[0] === '-' ? -1 : 1; + + if ('+-'.indexOf(value[0]) >= 0) { + value = value.slice(1); + } + + if (value === '.inf') { + return (sign === 1) ? Number.POSITIVE_INFINITY : Number.NEGATIVE_INFINITY; + + } else if (value === '.nan') { + return NaN; + } + return sign * parseFloat(value, 10); + } + + + var SCIENTIFIC_WITHOUT_DOT = /^[-+]?[0-9]+e/; + + function representYamlFloat(object, style) { + var res; + + if (isNaN(object)) { + switch (style) { + case 'lowercase': return '.nan'; + case 'uppercase': return '.NAN'; + case 'camelcase': return '.NaN'; + } + } else if (Number.POSITIVE_INFINITY === object) { + switch (style) { + case 'lowercase': return '.inf'; + case 'uppercase': return '.INF'; + case 'camelcase': return '.Inf'; + } + } else if (Number.NEGATIVE_INFINITY === object) { + switch (style) { + case 'lowercase': return '-.inf'; + case 'uppercase': return '-.INF'; + case 'camelcase': return '-.Inf'; + } + } else if (common.isNegativeZero(object)) { + return '-0.0'; + } + + res = object.toString(10); + + // JS stringifier can build scientific format without dots: 5e-100, + // while YAML requres dot: 5.e-100. Fix it with simple hack + + return SCIENTIFIC_WITHOUT_DOT.test(res) ? res.replace('e', '.e') : res; + } + + function isFloat(object) { + return (Object.prototype.toString.call(object) === '[object Number]') && + (object % 1 !== 0 || common.isNegativeZero(object)); + } + + var float = new type('tag:yaml.org,2002:float', { + kind: 'scalar', + resolve: resolveYamlFloat, + construct: constructYamlFloat, + predicate: isFloat, + represent: representYamlFloat, + defaultStyle: 'lowercase' + }); + + var json = failsafe.extend({ + implicit: [ + _null, + bool, + int, + float + ] + }); + + var core = json; + + var YAML_DATE_REGEXP = new RegExp( + '^([0-9][0-9][0-9][0-9])' + // [1] year + '-([0-9][0-9])' + // [2] month + '-([0-9][0-9])$'); // [3] day + + var YAML_TIMESTAMP_REGEXP = new RegExp( + '^([0-9][0-9][0-9][0-9])' + // [1] year + '-([0-9][0-9]?)' + // [2] month + '-([0-9][0-9]?)' + // [3] day + '(?:[Tt]|[ \\t]+)' + // ... + '([0-9][0-9]?)' + // [4] hour + ':([0-9][0-9])' + // [5] minute + ':([0-9][0-9])' + // [6] second + '(?:\\.([0-9]*))?' + // [7] fraction + '(?:[ \\t]*(Z|([-+])([0-9][0-9]?)' + // [8] tz [9] tz_sign [10] tz_hour + '(?::([0-9][0-9]))?))?$'); // [11] tz_minute + + function resolveYamlTimestamp(data) { + if (data === null) return false; + if (YAML_DATE_REGEXP.exec(data) !== null) return true; + if (YAML_TIMESTAMP_REGEXP.exec(data) !== null) return true; + return false; + } + + function constructYamlTimestamp(data) { + var match, year, month, day, hour, minute, second, fraction = 0, + delta = null, tz_hour, tz_minute, date; + + match = YAML_DATE_REGEXP.exec(data); + if (match === null) match = YAML_TIMESTAMP_REGEXP.exec(data); + + if (match === null) throw new Error('Date resolve error'); + + // match: [1] year [2] month [3] day + + year = +(match[1]); + month = +(match[2]) - 1; // JS month starts with 0 + day = +(match[3]); + + if (!match[4]) { // no hour + return new Date(Date.UTC(year, month, day)); + } + + // match: [4] hour [5] minute [6] second [7] fraction + + hour = +(match[4]); + minute = +(match[5]); + second = +(match[6]); + + if (match[7]) { + fraction = match[7].slice(0, 3); + while (fraction.length < 3) { // milli-seconds + fraction += '0'; + } + fraction = +fraction; + } + + // match: [8] tz [9] tz_sign [10] tz_hour [11] tz_minute + + if (match[9]) { + tz_hour = +(match[10]); + tz_minute = +(match[11] || 0); + delta = (tz_hour * 60 + tz_minute) * 60000; // delta in mili-seconds + if (match[9] === '-') delta = -delta; + } + + date = new Date(Date.UTC(year, month, day, hour, minute, second, fraction)); + + if (delta) date.setTime(date.getTime() - delta); + + return date; + } + + function representYamlTimestamp(object /*, style*/) { + return object.toISOString(); + } + + var timestamp = new type('tag:yaml.org,2002:timestamp', { + kind: 'scalar', + resolve: resolveYamlTimestamp, + construct: constructYamlTimestamp, + instanceOf: Date, + represent: representYamlTimestamp + }); + + function resolveYamlMerge(data) { + return data === '<<' || data === null; + } + + var merge = new type('tag:yaml.org,2002:merge', { + kind: 'scalar', + resolve: resolveYamlMerge + }); + + /*eslint-disable no-bitwise*/ + + + + + + // [ 64, 65, 66 ] -> [ padding, CR, LF ] + var BASE64_MAP = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\n\r'; + + + function resolveYamlBinary(data) { + if (data === null) return false; + + var code, idx, bitlen = 0, max = data.length, map = BASE64_MAP; + + // Convert one by one. + for (idx = 0; idx < max; idx++) { + code = map.indexOf(data.charAt(idx)); + + // Skip CR/LF + if (code > 64) continue; + + // Fail on illegal characters + if (code < 0) return false; + + bitlen += 6; + } + + // If there are any bits left, source was corrupted + return (bitlen % 8) === 0; + } + + function constructYamlBinary(data) { + var idx, tailbits, + input = data.replace(/[\r\n=]/g, ''), // remove CR/LF & padding to simplify scan + max = input.length, + map = BASE64_MAP, + bits = 0, + result = []; + + // Collect by 6*4 bits (3 bytes) + + for (idx = 0; idx < max; idx++) { + if ((idx % 4 === 0) && idx) { + result.push((bits >> 16) & 0xFF); + result.push((bits >> 8) & 0xFF); + result.push(bits & 0xFF); + } + + bits = (bits << 6) | map.indexOf(input.charAt(idx)); + } + + // Dump tail + + tailbits = (max % 4) * 6; + + if (tailbits === 0) { + result.push((bits >> 16) & 0xFF); + result.push((bits >> 8) & 0xFF); + result.push(bits & 0xFF); + } else if (tailbits === 18) { + result.push((bits >> 10) & 0xFF); + result.push((bits >> 2) & 0xFF); + } else if (tailbits === 12) { + result.push((bits >> 4) & 0xFF); + } + + return new Uint8Array(result); + } + + function representYamlBinary(object /*, style*/) { + var result = '', bits = 0, idx, tail, + max = object.length, + map = BASE64_MAP; + + // Convert every three bytes to 4 ASCII characters. + + for (idx = 0; idx < max; idx++) { + if ((idx % 3 === 0) && idx) { + result += map[(bits >> 18) & 0x3F]; + result += map[(bits >> 12) & 0x3F]; + result += map[(bits >> 6) & 0x3F]; + result += map[bits & 0x3F]; + } + + bits = (bits << 8) + object[idx]; + } + + // Dump tail + + tail = max % 3; + + if (tail === 0) { + result += map[(bits >> 18) & 0x3F]; + result += map[(bits >> 12) & 0x3F]; + result += map[(bits >> 6) & 0x3F]; + result += map[bits & 0x3F]; + } else if (tail === 2) { + result += map[(bits >> 10) & 0x3F]; + result += map[(bits >> 4) & 0x3F]; + result += map[(bits << 2) & 0x3F]; + result += map[64]; + } else if (tail === 1) { + result += map[(bits >> 2) & 0x3F]; + result += map[(bits << 4) & 0x3F]; + result += map[64]; + result += map[64]; + } + + return result; + } + + function isBinary(obj) { + return Object.prototype.toString.call(obj) === '[object Uint8Array]'; + } + + var binary = new type('tag:yaml.org,2002:binary', { + kind: 'scalar', + resolve: resolveYamlBinary, + construct: constructYamlBinary, + predicate: isBinary, + represent: representYamlBinary + }); + + var _hasOwnProperty$3 = Object.prototype.hasOwnProperty; + var _toString$2 = Object.prototype.toString; + + function resolveYamlOmap(data) { + if (data === null) return true; + + var objectKeys = [], index, length, pair, pairKey, pairHasKey, + object = data; + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + pairHasKey = false; + + if (_toString$2.call(pair) !== '[object Object]') return false; + + for (pairKey in pair) { + if (_hasOwnProperty$3.call(pair, pairKey)) { + if (!pairHasKey) pairHasKey = true; + else return false; + } + } + + if (!pairHasKey) return false; + + if (objectKeys.indexOf(pairKey) === -1) objectKeys.push(pairKey); + else return false; + } + + return true; + } + + function constructYamlOmap(data) { + return data !== null ? data : []; + } + + var omap = new type('tag:yaml.org,2002:omap', { + kind: 'sequence', + resolve: resolveYamlOmap, + construct: constructYamlOmap + }); + + var _toString$1 = Object.prototype.toString; + + function resolveYamlPairs(data) { + if (data === null) return true; + + var index, length, pair, keys, result, + object = data; + + result = new Array(object.length); + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + + if (_toString$1.call(pair) !== '[object Object]') return false; + + keys = Object.keys(pair); + + if (keys.length !== 1) return false; + + result[index] = [ keys[0], pair[keys[0]] ]; + } + + return true; + } + + function constructYamlPairs(data) { + if (data === null) return []; + + var index, length, pair, keys, result, + object = data; + + result = new Array(object.length); + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + + keys = Object.keys(pair); + + result[index] = [ keys[0], pair[keys[0]] ]; + } + + return result; + } + + var pairs = new type('tag:yaml.org,2002:pairs', { + kind: 'sequence', + resolve: resolveYamlPairs, + construct: constructYamlPairs + }); + + var _hasOwnProperty$2 = Object.prototype.hasOwnProperty; + + function resolveYamlSet(data) { + if (data === null) return true; + + var key, object = data; + + for (key in object) { + if (_hasOwnProperty$2.call(object, key)) { + if (object[key] !== null) return false; + } + } + + return true; + } + + function constructYamlSet(data) { + return data !== null ? data : {}; + } + + var set = new type('tag:yaml.org,2002:set', { + kind: 'mapping', + resolve: resolveYamlSet, + construct: constructYamlSet + }); + + var _default = core.extend({ + implicit: [ + timestamp, + merge + ], + explicit: [ + binary, + omap, + pairs, + set + ] + }); + + /*eslint-disable max-len,no-use-before-define*/ + + + + + + + + var _hasOwnProperty$1 = Object.prototype.hasOwnProperty; + + + var CONTEXT_FLOW_IN = 1; + var CONTEXT_FLOW_OUT = 2; + var CONTEXT_BLOCK_IN = 3; + var CONTEXT_BLOCK_OUT = 4; + + + var CHOMPING_CLIP = 1; + var CHOMPING_STRIP = 2; + var CHOMPING_KEEP = 3; + + + var PATTERN_NON_PRINTABLE = /[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x84\x86-\x9F\uFFFE\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/; + var PATTERN_NON_ASCII_LINE_BREAKS = /[\x85\u2028\u2029]/; + var PATTERN_FLOW_INDICATORS = /[,\[\]\{\}]/; + var PATTERN_TAG_HANDLE = /^(?:!|!!|![a-z\-]+!)$/i; + var PATTERN_TAG_URI = /^(?:!|[^,\[\]\{\}])(?:%[0-9a-f]{2}|[0-9a-z\-#;\/\?:@&=\+\$,_\.!~\*'\(\)\[\]])*$/i; + + + function _class(obj) { return Object.prototype.toString.call(obj); } + + function is_EOL(c) { + return (c === 0x0A/* LF */) || (c === 0x0D/* CR */); + } + + function is_WHITE_SPACE(c) { + return (c === 0x09/* Tab */) || (c === 0x20/* Space */); + } + + function is_WS_OR_EOL(c) { + return (c === 0x09/* Tab */) || + (c === 0x20/* Space */) || + (c === 0x0A/* LF */) || + (c === 0x0D/* CR */); + } + + function is_FLOW_INDICATOR(c) { + return c === 0x2C/* , */ || + c === 0x5B/* [ */ || + c === 0x5D/* ] */ || + c === 0x7B/* { */ || + c === 0x7D/* } */; + } + + function fromHexCode(c) { + var lc; + + if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) { + return c - 0x30; + } + + /*eslint-disable no-bitwise*/ + lc = c | 0x20; + + if ((0x61/* a */ <= lc) && (lc <= 0x66/* f */)) { + return lc - 0x61 + 10; + } + + return -1; + } + + function escapedHexLen(c) { + if (c === 0x78/* x */) { return 2; } + if (c === 0x75/* u */) { return 4; } + if (c === 0x55/* U */) { return 8; } + return 0; + } + + function fromDecimalCode(c) { + if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) { + return c - 0x30; + } + + return -1; + } + + function simpleEscapeSequence(c) { + /* eslint-disable indent */ + return (c === 0x30/* 0 */) ? '\x00' : + (c === 0x61/* a */) ? '\x07' : + (c === 0x62/* b */) ? '\x08' : + (c === 0x74/* t */) ? '\x09' : + (c === 0x09/* Tab */) ? '\x09' : + (c === 0x6E/* n */) ? '\x0A' : + (c === 0x76/* v */) ? '\x0B' : + (c === 0x66/* f */) ? '\x0C' : + (c === 0x72/* r */) ? '\x0D' : + (c === 0x65/* e */) ? '\x1B' : + (c === 0x20/* Space */) ? ' ' : + (c === 0x22/* " */) ? '\x22' : + (c === 0x2F/* / */) ? '/' : + (c === 0x5C/* \ */) ? '\x5C' : + (c === 0x4E/* N */) ? '\x85' : + (c === 0x5F/* _ */) ? '\xA0' : + (c === 0x4C/* L */) ? '\u2028' : + (c === 0x50/* P */) ? '\u2029' : ''; + } + + function charFromCodepoint(c) { + if (c <= 0xFFFF) { + return String.fromCharCode(c); + } + // Encode UTF-16 surrogate pair + // https://en.wikipedia.org/wiki/UTF-16#Code_points_U.2B010000_to_U.2B10FFFF + return String.fromCharCode( + ((c - 0x010000) >> 10) + 0xD800, + ((c - 0x010000) & 0x03FF) + 0xDC00 + ); + } + + var simpleEscapeCheck = new Array(256); // integer, for fast access + var simpleEscapeMap = new Array(256); + for (var i = 0; i < 256; i++) { + simpleEscapeCheck[i] = simpleEscapeSequence(i) ? 1 : 0; + simpleEscapeMap[i] = simpleEscapeSequence(i); + } + + + function State$1(input, options) { + this.input = input; + + this.filename = options['filename'] || null; + this.schema = options['schema'] || _default; + this.onWarning = options['onWarning'] || null; + // (Hidden) Remove? makes the loader to expect YAML 1.1 documents + // if such documents have no explicit %YAML directive + this.legacy = options['legacy'] || false; + + this.json = options['json'] || false; + this.listener = options['listener'] || null; + + this.implicitTypes = this.schema.compiledImplicit; + this.typeMap = this.schema.compiledTypeMap; + + this.length = input.length; + this.position = 0; + this.line = 0; + this.lineStart = 0; + this.lineIndent = 0; + + // position of first leading tab in the current line, + // used to make sure there are no tabs in the indentation + this.firstTabInLine = -1; + + this.documents = []; + + /* + this.version; + this.checkLineBreaks; + this.tagMap; + this.anchorMap; + this.tag; + this.anchor; + this.kind; + this.result;*/ + + } + + + function generateError(state, message) { + var mark = { + name: state.filename, + buffer: state.input.slice(0, -1), // omit trailing \0 + position: state.position, + line: state.line, + column: state.position - state.lineStart + }; + + mark.snippet = snippet(mark); + + return new exception(message, mark); + } + + function throwError(state, message) { + throw generateError(state, message); + } + + function throwWarning(state, message) { + if (state.onWarning) { + state.onWarning.call(null, generateError(state, message)); + } + } + + + var directiveHandlers = { + + YAML: function handleYamlDirective(state, name, args) { + + var match, major, minor; + + if (state.version !== null) { + throwError(state, 'duplication of %YAML directive'); + } + + if (args.length !== 1) { + throwError(state, 'YAML directive accepts exactly one argument'); + } + + match = /^([0-9]+)\.([0-9]+)$/.exec(args[0]); + + if (match === null) { + throwError(state, 'ill-formed argument of the YAML directive'); + } + + major = parseInt(match[1], 10); + minor = parseInt(match[2], 10); + + if (major !== 1) { + throwError(state, 'unacceptable YAML version of the document'); + } + + state.version = args[0]; + state.checkLineBreaks = (minor < 2); + + if (minor !== 1 && minor !== 2) { + throwWarning(state, 'unsupported YAML version of the document'); + } + }, + + TAG: function handleTagDirective(state, name, args) { + + var handle, prefix; + + if (args.length !== 2) { + throwError(state, 'TAG directive accepts exactly two arguments'); + } + + handle = args[0]; + prefix = args[1]; + + if (!PATTERN_TAG_HANDLE.test(handle)) { + throwError(state, 'ill-formed tag handle (first argument) of the TAG directive'); + } + + if (_hasOwnProperty$1.call(state.tagMap, handle)) { + throwError(state, 'there is a previously declared suffix for "' + handle + '" tag handle'); + } + + if (!PATTERN_TAG_URI.test(prefix)) { + throwError(state, 'ill-formed tag prefix (second argument) of the TAG directive'); + } + + try { + prefix = decodeURIComponent(prefix); + } catch (err) { + throwError(state, 'tag prefix is malformed: ' + prefix); + } + + state.tagMap[handle] = prefix; + } + }; + + + function captureSegment(state, start, end, checkJson) { + var _position, _length, _character, _result; + + if (start < end) { + _result = state.input.slice(start, end); + + if (checkJson) { + for (_position = 0, _length = _result.length; _position < _length; _position += 1) { + _character = _result.charCodeAt(_position); + if (!(_character === 0x09 || + (0x20 <= _character && _character <= 0x10FFFF))) { + throwError(state, 'expected valid JSON character'); + } + } + } else if (PATTERN_NON_PRINTABLE.test(_result)) { + throwError(state, 'the stream contains non-printable characters'); + } + + state.result += _result; + } + } + + function mergeMappings(state, destination, source, overridableKeys) { + var sourceKeys, key, index, quantity; + + if (!common.isObject(source)) { + throwError(state, 'cannot merge mappings; the provided source object is unacceptable'); + } + + sourceKeys = Object.keys(source); + + for (index = 0, quantity = sourceKeys.length; index < quantity; index += 1) { + key = sourceKeys[index]; + + if (!_hasOwnProperty$1.call(destination, key)) { + destination[key] = source[key]; + overridableKeys[key] = true; + } + } + } + + function storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, + startLine, startLineStart, startPos) { + + var index, quantity; + + // The output is a plain object here, so keys can only be strings. + // We need to convert keyNode to a string, but doing so can hang the process + // (deeply nested arrays that explode exponentially using aliases). + if (Array.isArray(keyNode)) { + keyNode = Array.prototype.slice.call(keyNode); + + for (index = 0, quantity = keyNode.length; index < quantity; index += 1) { + if (Array.isArray(keyNode[index])) { + throwError(state, 'nested arrays are not supported inside keys'); + } + + if (typeof keyNode === 'object' && _class(keyNode[index]) === '[object Object]') { + keyNode[index] = '[object Object]'; + } + } + } + + // Avoid code execution in load() via toString property + // (still use its own toString for arrays, timestamps, + // and whatever user schema extensions happen to have @@toStringTag) + if (typeof keyNode === 'object' && _class(keyNode) === '[object Object]') { + keyNode = '[object Object]'; + } + + + keyNode = String(keyNode); + + if (_result === null) { + _result = {}; + } + + if (keyTag === 'tag:yaml.org,2002:merge') { + if (Array.isArray(valueNode)) { + for (index = 0, quantity = valueNode.length; index < quantity; index += 1) { + mergeMappings(state, _result, valueNode[index], overridableKeys); + } + } else { + mergeMappings(state, _result, valueNode, overridableKeys); + } + } else { + if (!state.json && + !_hasOwnProperty$1.call(overridableKeys, keyNode) && + _hasOwnProperty$1.call(_result, keyNode)) { + state.line = startLine || state.line; + state.lineStart = startLineStart || state.lineStart; + state.position = startPos || state.position; + throwError(state, 'duplicated mapping key'); + } + + // used for this specific key only because Object.defineProperty is slow + if (keyNode === '__proto__') { + Object.defineProperty(_result, keyNode, { + configurable: true, + enumerable: true, + writable: true, + value: valueNode + }); + } else { + _result[keyNode] = valueNode; + } + delete overridableKeys[keyNode]; + } + + return _result; + } + + function readLineBreak(state) { + var ch; + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x0A/* LF */) { + state.position++; + } else if (ch === 0x0D/* CR */) { + state.position++; + if (state.input.charCodeAt(state.position) === 0x0A/* LF */) { + state.position++; + } + } else { + throwError(state, 'a line break is expected'); + } + + state.line += 1; + state.lineStart = state.position; + state.firstTabInLine = -1; + } + + function skipSeparationSpace(state, allowComments, checkIndent) { + var lineBreaks = 0, + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + while (is_WHITE_SPACE(ch)) { + if (ch === 0x09/* Tab */ && state.firstTabInLine === -1) { + state.firstTabInLine = state.position; + } + ch = state.input.charCodeAt(++state.position); + } + + if (allowComments && ch === 0x23/* # */) { + do { + ch = state.input.charCodeAt(++state.position); + } while (ch !== 0x0A/* LF */ && ch !== 0x0D/* CR */ && ch !== 0); + } + + if (is_EOL(ch)) { + readLineBreak(state); + + ch = state.input.charCodeAt(state.position); + lineBreaks++; + state.lineIndent = 0; + + while (ch === 0x20/* Space */) { + state.lineIndent++; + ch = state.input.charCodeAt(++state.position); + } + } else { + break; + } + } + + if (checkIndent !== -1 && lineBreaks !== 0 && state.lineIndent < checkIndent) { + throwWarning(state, 'deficient indentation'); + } + + return lineBreaks; + } + + function testDocumentSeparator(state) { + var _position = state.position, + ch; + + ch = state.input.charCodeAt(_position); + + // Condition state.position === state.lineStart is tested + // in parent on each call, for efficiency. No needs to test here again. + if ((ch === 0x2D/* - */ || ch === 0x2E/* . */) && + ch === state.input.charCodeAt(_position + 1) && + ch === state.input.charCodeAt(_position + 2)) { + + _position += 3; + + ch = state.input.charCodeAt(_position); + + if (ch === 0 || is_WS_OR_EOL(ch)) { + return true; + } + } + + return false; + } + + function writeFoldedLines(state, count) { + if (count === 1) { + state.result += ' '; + } else if (count > 1) { + state.result += common.repeat('\n', count - 1); + } + } + + + function readPlainScalar(state, nodeIndent, withinFlowCollection) { + var preceding, + following, + captureStart, + captureEnd, + hasPendingContent, + _line, + _lineStart, + _lineIndent, + _kind = state.kind, + _result = state.result, + ch; + + ch = state.input.charCodeAt(state.position); + + if (is_WS_OR_EOL(ch) || + is_FLOW_INDICATOR(ch) || + ch === 0x23/* # */ || + ch === 0x26/* & */ || + ch === 0x2A/* * */ || + ch === 0x21/* ! */ || + ch === 0x7C/* | */ || + ch === 0x3E/* > */ || + ch === 0x27/* ' */ || + ch === 0x22/* " */ || + ch === 0x25/* % */ || + ch === 0x40/* @ */ || + ch === 0x60/* ` */) { + return false; + } + + if (ch === 0x3F/* ? */ || ch === 0x2D/* - */) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following) || + withinFlowCollection && is_FLOW_INDICATOR(following)) { + return false; + } + } + + state.kind = 'scalar'; + state.result = ''; + captureStart = captureEnd = state.position; + hasPendingContent = false; + + while (ch !== 0) { + if (ch === 0x3A/* : */) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following) || + withinFlowCollection && is_FLOW_INDICATOR(following)) { + break; + } + + } else if (ch === 0x23/* # */) { + preceding = state.input.charCodeAt(state.position - 1); + + if (is_WS_OR_EOL(preceding)) { + break; + } + + } else if ((state.position === state.lineStart && testDocumentSeparator(state)) || + withinFlowCollection && is_FLOW_INDICATOR(ch)) { + break; + + } else if (is_EOL(ch)) { + _line = state.line; + _lineStart = state.lineStart; + _lineIndent = state.lineIndent; + skipSeparationSpace(state, false, -1); + + if (state.lineIndent >= nodeIndent) { + hasPendingContent = true; + ch = state.input.charCodeAt(state.position); + continue; + } else { + state.position = captureEnd; + state.line = _line; + state.lineStart = _lineStart; + state.lineIndent = _lineIndent; + break; + } + } + + if (hasPendingContent) { + captureSegment(state, captureStart, captureEnd, false); + writeFoldedLines(state, state.line - _line); + captureStart = captureEnd = state.position; + hasPendingContent = false; + } + + if (!is_WHITE_SPACE(ch)) { + captureEnd = state.position + 1; + } + + ch = state.input.charCodeAt(++state.position); + } + + captureSegment(state, captureStart, captureEnd, false); + + if (state.result) { + return true; + } + + state.kind = _kind; + state.result = _result; + return false; + } + + function readSingleQuotedScalar(state, nodeIndent) { + var ch, + captureStart, captureEnd; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x27/* ' */) { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + state.position++; + captureStart = captureEnd = state.position; + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + if (ch === 0x27/* ' */) { + captureSegment(state, captureStart, state.position, true); + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x27/* ' */) { + captureStart = state.position; + state.position++; + captureEnd = state.position; + } else { + return true; + } + + } else if (is_EOL(ch)) { + captureSegment(state, captureStart, captureEnd, true); + writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent)); + captureStart = captureEnd = state.position; + + } else if (state.position === state.lineStart && testDocumentSeparator(state)) { + throwError(state, 'unexpected end of the document within a single quoted scalar'); + + } else { + state.position++; + captureEnd = state.position; + } + } + + throwError(state, 'unexpected end of the stream within a single quoted scalar'); + } + + function readDoubleQuotedScalar(state, nodeIndent) { + var captureStart, + captureEnd, + hexLength, + hexResult, + tmp, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x22/* " */) { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + state.position++; + captureStart = captureEnd = state.position; + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + if (ch === 0x22/* " */) { + captureSegment(state, captureStart, state.position, true); + state.position++; + return true; + + } else if (ch === 0x5C/* \ */) { + captureSegment(state, captureStart, state.position, true); + ch = state.input.charCodeAt(++state.position); + + if (is_EOL(ch)) { + skipSeparationSpace(state, false, nodeIndent); + + // TODO: rework to inline fn with no type cast? + } else if (ch < 256 && simpleEscapeCheck[ch]) { + state.result += simpleEscapeMap[ch]; + state.position++; + + } else if ((tmp = escapedHexLen(ch)) > 0) { + hexLength = tmp; + hexResult = 0; + + for (; hexLength > 0; hexLength--) { + ch = state.input.charCodeAt(++state.position); + + if ((tmp = fromHexCode(ch)) >= 0) { + hexResult = (hexResult << 4) + tmp; + + } else { + throwError(state, 'expected hexadecimal character'); + } + } + + state.result += charFromCodepoint(hexResult); + + state.position++; + + } else { + throwError(state, 'unknown escape sequence'); + } + + captureStart = captureEnd = state.position; + + } else if (is_EOL(ch)) { + captureSegment(state, captureStart, captureEnd, true); + writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent)); + captureStart = captureEnd = state.position; + + } else if (state.position === state.lineStart && testDocumentSeparator(state)) { + throwError(state, 'unexpected end of the document within a double quoted scalar'); + + } else { + state.position++; + captureEnd = state.position; + } + } + + throwError(state, 'unexpected end of the stream within a double quoted scalar'); + } + + function readFlowCollection(state, nodeIndent) { + var readNext = true, + _line, + _lineStart, + _pos, + _tag = state.tag, + _result, + _anchor = state.anchor, + following, + terminator, + isPair, + isExplicitPair, + isMapping, + overridableKeys = Object.create(null), + keyNode, + keyTag, + valueNode, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x5B/* [ */) { + terminator = 0x5D;/* ] */ + isMapping = false; + _result = []; + } else if (ch === 0x7B/* { */) { + terminator = 0x7D;/* } */ + isMapping = true; + _result = {}; + } else { + return false; + } + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(++state.position); + + while (ch !== 0) { + skipSeparationSpace(state, true, nodeIndent); + + ch = state.input.charCodeAt(state.position); + + if (ch === terminator) { + state.position++; + state.tag = _tag; + state.anchor = _anchor; + state.kind = isMapping ? 'mapping' : 'sequence'; + state.result = _result; + return true; + } else if (!readNext) { + throwError(state, 'missed comma between flow collection entries'); + } else if (ch === 0x2C/* , */) { + // "flow collection entries can never be completely empty", as per YAML 1.2, section 7.4 + throwError(state, "expected the node content, but found ','"); + } + + keyTag = keyNode = valueNode = null; + isPair = isExplicitPair = false; + + if (ch === 0x3F/* ? */) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following)) { + isPair = isExplicitPair = true; + state.position++; + skipSeparationSpace(state, true, nodeIndent); + } + } + + _line = state.line; // Save the current line. + _lineStart = state.lineStart; + _pos = state.position; + composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true); + keyTag = state.tag; + keyNode = state.result; + skipSeparationSpace(state, true, nodeIndent); + + ch = state.input.charCodeAt(state.position); + + if ((isExplicitPair || state.line === _line) && ch === 0x3A/* : */) { + isPair = true; + ch = state.input.charCodeAt(++state.position); + skipSeparationSpace(state, true, nodeIndent); + composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true); + valueNode = state.result; + } + + if (isMapping) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos); + } else if (isPair) { + _result.push(storeMappingPair(state, null, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos)); + } else { + _result.push(keyNode); + } + + skipSeparationSpace(state, true, nodeIndent); + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x2C/* , */) { + readNext = true; + ch = state.input.charCodeAt(++state.position); + } else { + readNext = false; + } + } + + throwError(state, 'unexpected end of the stream within a flow collection'); + } + + function readBlockScalar(state, nodeIndent) { + var captureStart, + folding, + chomping = CHOMPING_CLIP, + didReadContent = false, + detectedIndent = false, + textIndent = nodeIndent, + emptyLines = 0, + atMoreIndented = false, + tmp, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x7C/* | */) { + folding = false; + } else if (ch === 0x3E/* > */) { + folding = true; + } else { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + + while (ch !== 0) { + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x2B/* + */ || ch === 0x2D/* - */) { + if (CHOMPING_CLIP === chomping) { + chomping = (ch === 0x2B/* + */) ? CHOMPING_KEEP : CHOMPING_STRIP; + } else { + throwError(state, 'repeat of a chomping mode identifier'); + } + + } else if ((tmp = fromDecimalCode(ch)) >= 0) { + if (tmp === 0) { + throwError(state, 'bad explicit indentation width of a block scalar; it cannot be less than one'); + } else if (!detectedIndent) { + textIndent = nodeIndent + tmp - 1; + detectedIndent = true; + } else { + throwError(state, 'repeat of an indentation width identifier'); + } + + } else { + break; + } + } + + if (is_WHITE_SPACE(ch)) { + do { ch = state.input.charCodeAt(++state.position); } + while (is_WHITE_SPACE(ch)); + + if (ch === 0x23/* # */) { + do { ch = state.input.charCodeAt(++state.position); } + while (!is_EOL(ch) && (ch !== 0)); + } + } + + while (ch !== 0) { + readLineBreak(state); + state.lineIndent = 0; + + ch = state.input.charCodeAt(state.position); + + while ((!detectedIndent || state.lineIndent < textIndent) && + (ch === 0x20/* Space */)) { + state.lineIndent++; + ch = state.input.charCodeAt(++state.position); + } + + if (!detectedIndent && state.lineIndent > textIndent) { + textIndent = state.lineIndent; + } + + if (is_EOL(ch)) { + emptyLines++; + continue; + } + + // End of the scalar. + if (state.lineIndent < textIndent) { + + // Perform the chomping. + if (chomping === CHOMPING_KEEP) { + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); + } else if (chomping === CHOMPING_CLIP) { + if (didReadContent) { // i.e. only if the scalar is not empty. + state.result += '\n'; + } + } + + // Break this `while` cycle and go to the funciton's epilogue. + break; + } + + // Folded style: use fancy rules to handle line breaks. + if (folding) { + + // Lines starting with white space characters (more-indented lines) are not folded. + if (is_WHITE_SPACE(ch)) { + atMoreIndented = true; + // except for the first content line (cf. Example 8.1) + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); + + // End of more-indented block. + } else if (atMoreIndented) { + atMoreIndented = false; + state.result += common.repeat('\n', emptyLines + 1); + + // Just one line break - perceive as the same line. + } else if (emptyLines === 0) { + if (didReadContent) { // i.e. only if we have already read some scalar content. + state.result += ' '; + } + + // Several line breaks - perceive as different lines. + } else { + state.result += common.repeat('\n', emptyLines); + } + + // Literal style: just add exact number of line breaks between content lines. + } else { + // Keep all line breaks except the header line break. + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); + } + + didReadContent = true; + detectedIndent = true; + emptyLines = 0; + captureStart = state.position; + + while (!is_EOL(ch) && (ch !== 0)) { + ch = state.input.charCodeAt(++state.position); + } + + captureSegment(state, captureStart, state.position, false); + } + + return true; + } + + function readBlockSequence(state, nodeIndent) { + var _line, + _tag = state.tag, + _anchor = state.anchor, + _result = [], + following, + detected = false, + ch; + + // there is a leading tab before this token, so it can't be a block sequence/mapping; + // it can still be flow sequence/mapping or a scalar + if (state.firstTabInLine !== -1) return false; + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + if (state.firstTabInLine !== -1) { + state.position = state.firstTabInLine; + throwError(state, 'tab characters must not be used in indentation'); + } + + if (ch !== 0x2D/* - */) { + break; + } + + following = state.input.charCodeAt(state.position + 1); + + if (!is_WS_OR_EOL(following)) { + break; + } + + detected = true; + state.position++; + + if (skipSeparationSpace(state, true, -1)) { + if (state.lineIndent <= nodeIndent) { + _result.push(null); + ch = state.input.charCodeAt(state.position); + continue; + } + } + + _line = state.line; + composeNode(state, nodeIndent, CONTEXT_BLOCK_IN, false, true); + _result.push(state.result); + skipSeparationSpace(state, true, -1); + + ch = state.input.charCodeAt(state.position); + + if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) { + throwError(state, 'bad indentation of a sequence entry'); + } else if (state.lineIndent < nodeIndent) { + break; + } + } + + if (detected) { + state.tag = _tag; + state.anchor = _anchor; + state.kind = 'sequence'; + state.result = _result; + return true; + } + return false; + } + + function readBlockMapping(state, nodeIndent, flowIndent) { + var following, + allowCompact, + _line, + _keyLine, + _keyLineStart, + _keyPos, + _tag = state.tag, + _anchor = state.anchor, + _result = {}, + overridableKeys = Object.create(null), + keyTag = null, + keyNode = null, + valueNode = null, + atExplicitKey = false, + detected = false, + ch; + + // there is a leading tab before this token, so it can't be a block sequence/mapping; + // it can still be flow sequence/mapping or a scalar + if (state.firstTabInLine !== -1) return false; + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + if (!atExplicitKey && state.firstTabInLine !== -1) { + state.position = state.firstTabInLine; + throwError(state, 'tab characters must not be used in indentation'); + } + + following = state.input.charCodeAt(state.position + 1); + _line = state.line; // Save the current line. + + // + // Explicit notation case. There are two separate blocks: + // first for the key (denoted by "?") and second for the value (denoted by ":") + // + if ((ch === 0x3F/* ? */ || ch === 0x3A/* : */) && is_WS_OR_EOL(following)) { + + if (ch === 0x3F/* ? */) { + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos); + keyTag = keyNode = valueNode = null; + } + + detected = true; + atExplicitKey = true; + allowCompact = true; + + } else if (atExplicitKey) { + // i.e. 0x3A/* : */ === character after the explicit key. + atExplicitKey = false; + allowCompact = true; + + } else { + throwError(state, 'incomplete explicit mapping pair; a key node is missed; or followed by a non-tabulated empty line'); + } + + state.position += 1; + ch = following; + + // + // Implicit notation case. Flow-style node as the key first, then ":", and the value. + // + } else { + _keyLine = state.line; + _keyLineStart = state.lineStart; + _keyPos = state.position; + + if (!composeNode(state, flowIndent, CONTEXT_FLOW_OUT, false, true)) { + // Neither implicit nor explicit notation. + // Reading is done. Go to the epilogue. + break; + } + + if (state.line === _line) { + ch = state.input.charCodeAt(state.position); + + while (is_WHITE_SPACE(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (ch === 0x3A/* : */) { + ch = state.input.charCodeAt(++state.position); + + if (!is_WS_OR_EOL(ch)) { + throwError(state, 'a whitespace character is expected after the key-value separator within a block mapping'); + } + + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos); + keyTag = keyNode = valueNode = null; + } + + detected = true; + atExplicitKey = false; + allowCompact = false; + keyTag = state.tag; + keyNode = state.result; + + } else if (detected) { + throwError(state, 'can not read an implicit mapping pair; a colon is missed'); + + } else { + state.tag = _tag; + state.anchor = _anchor; + return true; // Keep the result of `composeNode`. + } + + } else if (detected) { + throwError(state, 'can not read a block mapping entry; a multiline key may not be an implicit key'); + + } else { + state.tag = _tag; + state.anchor = _anchor; + return true; // Keep the result of `composeNode`. + } + } + + // + // Common reading code for both explicit and implicit notations. + // + if (state.line === _line || state.lineIndent > nodeIndent) { + if (atExplicitKey) { + _keyLine = state.line; + _keyLineStart = state.lineStart; + _keyPos = state.position; + } + + if (composeNode(state, nodeIndent, CONTEXT_BLOCK_OUT, true, allowCompact)) { + if (atExplicitKey) { + keyNode = state.result; + } else { + valueNode = state.result; + } + } + + if (!atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _keyLine, _keyLineStart, _keyPos); + keyTag = keyNode = valueNode = null; + } + + skipSeparationSpace(state, true, -1); + ch = state.input.charCodeAt(state.position); + } + + if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) { + throwError(state, 'bad indentation of a mapping entry'); + } else if (state.lineIndent < nodeIndent) { + break; + } + } + + // + // Epilogue. + // + + // Special case: last mapping's node contains only the key in explicit notation. + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos); + } + + // Expose the resulting mapping. + if (detected) { + state.tag = _tag; + state.anchor = _anchor; + state.kind = 'mapping'; + state.result = _result; + } + + return detected; + } + + function readTagProperty(state) { + var _position, + isVerbatim = false, + isNamed = false, + tagHandle, + tagName, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x21/* ! */) return false; + + if (state.tag !== null) { + throwError(state, 'duplication of a tag property'); + } + + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x3C/* < */) { + isVerbatim = true; + ch = state.input.charCodeAt(++state.position); + + } else if (ch === 0x21/* ! */) { + isNamed = true; + tagHandle = '!!'; + ch = state.input.charCodeAt(++state.position); + + } else { + tagHandle = '!'; + } + + _position = state.position; + + if (isVerbatim) { + do { ch = state.input.charCodeAt(++state.position); } + while (ch !== 0 && ch !== 0x3E/* > */); + + if (state.position < state.length) { + tagName = state.input.slice(_position, state.position); + ch = state.input.charCodeAt(++state.position); + } else { + throwError(state, 'unexpected end of the stream within a verbatim tag'); + } + } else { + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + + if (ch === 0x21/* ! */) { + if (!isNamed) { + tagHandle = state.input.slice(_position - 1, state.position + 1); + + if (!PATTERN_TAG_HANDLE.test(tagHandle)) { + throwError(state, 'named tag handle cannot contain such characters'); + } + + isNamed = true; + _position = state.position + 1; + } else { + throwError(state, 'tag suffix cannot contain exclamation marks'); + } + } + + ch = state.input.charCodeAt(++state.position); + } + + tagName = state.input.slice(_position, state.position); + + if (PATTERN_FLOW_INDICATORS.test(tagName)) { + throwError(state, 'tag suffix cannot contain flow indicator characters'); + } + } + + if (tagName && !PATTERN_TAG_URI.test(tagName)) { + throwError(state, 'tag name cannot contain such characters: ' + tagName); + } + + try { + tagName = decodeURIComponent(tagName); + } catch (err) { + throwError(state, 'tag name is malformed: ' + tagName); + } + + if (isVerbatim) { + state.tag = tagName; + + } else if (_hasOwnProperty$1.call(state.tagMap, tagHandle)) { + state.tag = state.tagMap[tagHandle] + tagName; + + } else if (tagHandle === '!') { + state.tag = '!' + tagName; + + } else if (tagHandle === '!!') { + state.tag = 'tag:yaml.org,2002:' + tagName; + + } else { + throwError(state, 'undeclared tag handle "' + tagHandle + '"'); + } + + return true; + } + + function readAnchorProperty(state) { + var _position, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x26/* & */) return false; + + if (state.anchor !== null) { + throwError(state, 'duplication of an anchor property'); + } + + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (state.position === _position) { + throwError(state, 'name of an anchor node must contain at least one character'); + } + + state.anchor = state.input.slice(_position, state.position); + return true; + } + + function readAlias(state) { + var _position, alias, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x2A/* * */) return false; + + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (state.position === _position) { + throwError(state, 'name of an alias node must contain at least one character'); + } + + alias = state.input.slice(_position, state.position); + + if (!_hasOwnProperty$1.call(state.anchorMap, alias)) { + throwError(state, 'unidentified alias "' + alias + '"'); + } + + state.result = state.anchorMap[alias]; + skipSeparationSpace(state, true, -1); + return true; + } + + function composeNode(state, parentIndent, nodeContext, allowToSeek, allowCompact) { + var allowBlockStyles, + allowBlockScalars, + allowBlockCollections, + indentStatus = 1, // 1: this>parent, 0: this=parent, -1: this<parent + atNewLine = false, + hasContent = false, + typeIndex, + typeQuantity, + typeList, + type, + flowIndent, + blockIndent; + + if (state.listener !== null) { + state.listener('open', state); + } + + state.tag = null; + state.anchor = null; + state.kind = null; + state.result = null; + + allowBlockStyles = allowBlockScalars = allowBlockCollections = + CONTEXT_BLOCK_OUT === nodeContext || + CONTEXT_BLOCK_IN === nodeContext; + + if (allowToSeek) { + if (skipSeparationSpace(state, true, -1)) { + atNewLine = true; + + if (state.lineIndent > parentIndent) { + indentStatus = 1; + } else if (state.lineIndent === parentIndent) { + indentStatus = 0; + } else if (state.lineIndent < parentIndent) { + indentStatus = -1; + } + } + } + + if (indentStatus === 1) { + while (readTagProperty(state) || readAnchorProperty(state)) { + if (skipSeparationSpace(state, true, -1)) { + atNewLine = true; + allowBlockCollections = allowBlockStyles; + + if (state.lineIndent > parentIndent) { + indentStatus = 1; + } else if (state.lineIndent === parentIndent) { + indentStatus = 0; + } else if (state.lineIndent < parentIndent) { + indentStatus = -1; + } + } else { + allowBlockCollections = false; + } + } + } + + if (allowBlockCollections) { + allowBlockCollections = atNewLine || allowCompact; + } + + if (indentStatus === 1 || CONTEXT_BLOCK_OUT === nodeContext) { + if (CONTEXT_FLOW_IN === nodeContext || CONTEXT_FLOW_OUT === nodeContext) { + flowIndent = parentIndent; + } else { + flowIndent = parentIndent + 1; + } + + blockIndent = state.position - state.lineStart; + + if (indentStatus === 1) { + if (allowBlockCollections && + (readBlockSequence(state, blockIndent) || + readBlockMapping(state, blockIndent, flowIndent)) || + readFlowCollection(state, flowIndent)) { + hasContent = true; + } else { + if ((allowBlockScalars && readBlockScalar(state, flowIndent)) || + readSingleQuotedScalar(state, flowIndent) || + readDoubleQuotedScalar(state, flowIndent)) { + hasContent = true; + + } else if (readAlias(state)) { + hasContent = true; + + if (state.tag !== null || state.anchor !== null) { + throwError(state, 'alias node should not have any properties'); + } + + } else if (readPlainScalar(state, flowIndent, CONTEXT_FLOW_IN === nodeContext)) { + hasContent = true; + + if (state.tag === null) { + state.tag = '?'; + } + } + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + } + } else if (indentStatus === 0) { + // Special case: block sequences are allowed to have same indentation level as the parent. + // http://www.yaml.org/spec/1.2/spec.html#id2799784 + hasContent = allowBlockCollections && readBlockSequence(state, blockIndent); + } + } + + if (state.tag === null) { + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + + } else if (state.tag === '?') { + // Implicit resolving is not allowed for non-scalar types, and '?' + // non-specific tag is only automatically assigned to plain scalars. + // + // We only need to check kind conformity in case user explicitly assigns '?' + // tag, for example like this: "!<?> [0]" + // + if (state.result !== null && state.kind !== 'scalar') { + throwError(state, 'unacceptable node kind for !<?> tag; it should be "scalar", not "' + state.kind + '"'); + } + + for (typeIndex = 0, typeQuantity = state.implicitTypes.length; typeIndex < typeQuantity; typeIndex += 1) { + type = state.implicitTypes[typeIndex]; + + if (type.resolve(state.result)) { // `state.result` updated in resolver if matched + state.result = type.construct(state.result); + state.tag = type.tag; + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + break; + } + } + } else if (state.tag !== '!') { + if (_hasOwnProperty$1.call(state.typeMap[state.kind || 'fallback'], state.tag)) { + type = state.typeMap[state.kind || 'fallback'][state.tag]; + } else { + // looking for multi type + type = null; + typeList = state.typeMap.multi[state.kind || 'fallback']; + + for (typeIndex = 0, typeQuantity = typeList.length; typeIndex < typeQuantity; typeIndex += 1) { + if (state.tag.slice(0, typeList[typeIndex].tag.length) === typeList[typeIndex].tag) { + type = typeList[typeIndex]; + break; + } + } + } + + if (!type) { + throwError(state, 'unknown tag !<' + state.tag + '>'); + } + + if (state.result !== null && type.kind !== state.kind) { + throwError(state, 'unacceptable node kind for !<' + state.tag + '> tag; it should be "' + type.kind + '", not "' + state.kind + '"'); + } + + if (!type.resolve(state.result, state.tag)) { // `state.result` updated in resolver if matched + throwError(state, 'cannot resolve a node with !<' + state.tag + '> explicit tag'); + } else { + state.result = type.construct(state.result, state.tag); + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + } + } + + if (state.listener !== null) { + state.listener('close', state); + } + return state.tag !== null || state.anchor !== null || hasContent; + } + + function readDocument(state) { + var documentStart = state.position, + _position, + directiveName, + directiveArgs, + hasDirectives = false, + ch; + + state.version = null; + state.checkLineBreaks = state.legacy; + state.tagMap = Object.create(null); + state.anchorMap = Object.create(null); + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + skipSeparationSpace(state, true, -1); + + ch = state.input.charCodeAt(state.position); + + if (state.lineIndent > 0 || ch !== 0x25/* % */) { + break; + } + + hasDirectives = true; + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + directiveName = state.input.slice(_position, state.position); + directiveArgs = []; + + if (directiveName.length < 1) { + throwError(state, 'directive name must not be less than one character in length'); + } + + while (ch !== 0) { + while (is_WHITE_SPACE(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (ch === 0x23/* # */) { + do { ch = state.input.charCodeAt(++state.position); } + while (ch !== 0 && !is_EOL(ch)); + break; + } + + if (is_EOL(ch)) break; + + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + directiveArgs.push(state.input.slice(_position, state.position)); + } + + if (ch !== 0) readLineBreak(state); + + if (_hasOwnProperty$1.call(directiveHandlers, directiveName)) { + directiveHandlers[directiveName](state, directiveName, directiveArgs); + } else { + throwWarning(state, 'unknown document directive "' + directiveName + '"'); + } + } + + skipSeparationSpace(state, true, -1); + + if (state.lineIndent === 0 && + state.input.charCodeAt(state.position) === 0x2D/* - */ && + state.input.charCodeAt(state.position + 1) === 0x2D/* - */ && + state.input.charCodeAt(state.position + 2) === 0x2D/* - */) { + state.position += 3; + skipSeparationSpace(state, true, -1); + + } else if (hasDirectives) { + throwError(state, 'directives end mark is expected'); + } + + composeNode(state, state.lineIndent - 1, CONTEXT_BLOCK_OUT, false, true); + skipSeparationSpace(state, true, -1); + + if (state.checkLineBreaks && + PATTERN_NON_ASCII_LINE_BREAKS.test(state.input.slice(documentStart, state.position))) { + throwWarning(state, 'non-ASCII line breaks are interpreted as content'); + } + + state.documents.push(state.result); + + if (state.position === state.lineStart && testDocumentSeparator(state)) { + + if (state.input.charCodeAt(state.position) === 0x2E/* . */) { + state.position += 3; + skipSeparationSpace(state, true, -1); + } + return; + } + + if (state.position < (state.length - 1)) { + throwError(state, 'end of the stream or a document separator is expected'); + } else { + return; + } + } + + + function loadDocuments(input, options) { + input = String(input); + options = options || {}; + + if (input.length !== 0) { + + // Add tailing `\n` if not exists + if (input.charCodeAt(input.length - 1) !== 0x0A/* LF */ && + input.charCodeAt(input.length - 1) !== 0x0D/* CR */) { + input += '\n'; + } + + // Strip BOM + if (input.charCodeAt(0) === 0xFEFF) { + input = input.slice(1); + } + } + + var state = new State$1(input, options); + + var nullpos = input.indexOf('\0'); + + if (nullpos !== -1) { + state.position = nullpos; + throwError(state, 'null byte is not allowed in input'); + } + + // Use 0 as string terminator. That significantly simplifies bounds check. + state.input += '\0'; + + while (state.input.charCodeAt(state.position) === 0x20/* Space */) { + state.lineIndent += 1; + state.position += 1; + } + + while (state.position < (state.length - 1)) { + readDocument(state); + } + + return state.documents; + } + + + function loadAll$1(input, iterator, options) { + if (iterator !== null && typeof iterator === 'object' && typeof options === 'undefined') { + options = iterator; + iterator = null; + } + + var documents = loadDocuments(input, options); + + if (typeof iterator !== 'function') { + return documents; + } + + for (var index = 0, length = documents.length; index < length; index += 1) { + iterator(documents[index]); + } + } + + + function load$1(input, options) { + var documents = loadDocuments(input, options); + + if (documents.length === 0) { + /*eslint-disable no-undefined*/ + return undefined; + } else if (documents.length === 1) { + return documents[0]; + } + throw new exception('expected a single document in the stream, but found more'); + } + + + var loadAll_1 = loadAll$1; + var load_1 = load$1; + + var loader = { + loadAll: loadAll_1, + load: load_1 + }; + + /*eslint-disable no-use-before-define*/ + + + + + + var _toString = Object.prototype.toString; + var _hasOwnProperty = Object.prototype.hasOwnProperty; + + var CHAR_BOM = 0xFEFF; + var CHAR_TAB = 0x09; /* Tab */ + var CHAR_LINE_FEED = 0x0A; /* LF */ + var CHAR_CARRIAGE_RETURN = 0x0D; /* CR */ + var CHAR_SPACE = 0x20; /* Space */ + var CHAR_EXCLAMATION = 0x21; /* ! */ + var CHAR_DOUBLE_QUOTE = 0x22; /* " */ + var CHAR_SHARP = 0x23; /* # */ + var CHAR_PERCENT = 0x25; /* % */ + var CHAR_AMPERSAND = 0x26; /* & */ + var CHAR_SINGLE_QUOTE = 0x27; /* ' */ + var CHAR_ASTERISK = 0x2A; /* * */ + var CHAR_COMMA = 0x2C; /* , */ + var CHAR_MINUS = 0x2D; /* - */ + var CHAR_COLON = 0x3A; /* : */ + var CHAR_EQUALS = 0x3D; /* = */ + var CHAR_GREATER_THAN = 0x3E; /* > */ + var CHAR_QUESTION = 0x3F; /* ? */ + var CHAR_COMMERCIAL_AT = 0x40; /* @ */ + var CHAR_LEFT_SQUARE_BRACKET = 0x5B; /* [ */ + var CHAR_RIGHT_SQUARE_BRACKET = 0x5D; /* ] */ + var CHAR_GRAVE_ACCENT = 0x60; /* ` */ + var CHAR_LEFT_CURLY_BRACKET = 0x7B; /* { */ + var CHAR_VERTICAL_LINE = 0x7C; /* | */ + var CHAR_RIGHT_CURLY_BRACKET = 0x7D; /* } */ + + var ESCAPE_SEQUENCES = {}; + + ESCAPE_SEQUENCES[0x00] = '\\0'; + ESCAPE_SEQUENCES[0x07] = '\\a'; + ESCAPE_SEQUENCES[0x08] = '\\b'; + ESCAPE_SEQUENCES[0x09] = '\\t'; + ESCAPE_SEQUENCES[0x0A] = '\\n'; + ESCAPE_SEQUENCES[0x0B] = '\\v'; + ESCAPE_SEQUENCES[0x0C] = '\\f'; + ESCAPE_SEQUENCES[0x0D] = '\\r'; + ESCAPE_SEQUENCES[0x1B] = '\\e'; + ESCAPE_SEQUENCES[0x22] = '\\"'; + ESCAPE_SEQUENCES[0x5C] = '\\\\'; + ESCAPE_SEQUENCES[0x85] = '\\N'; + ESCAPE_SEQUENCES[0xA0] = '\\_'; + ESCAPE_SEQUENCES[0x2028] = '\\L'; + ESCAPE_SEQUENCES[0x2029] = '\\P'; + + var DEPRECATED_BOOLEANS_SYNTAX = [ + 'y', 'Y', 'yes', 'Yes', 'YES', 'on', 'On', 'ON', + 'n', 'N', 'no', 'No', 'NO', 'off', 'Off', 'OFF' + ]; + + var DEPRECATED_BASE60_SYNTAX = /^[-+]?[0-9_]+(?::[0-9_]+)+(?:\.[0-9_]*)?$/; + + function compileStyleMap(schema, map) { + var result, keys, index, length, tag, style, type; + + if (map === null) return {}; + + result = {}; + keys = Object.keys(map); + + for (index = 0, length = keys.length; index < length; index += 1) { + tag = keys[index]; + style = String(map[tag]); + + if (tag.slice(0, 2) === '!!') { + tag = 'tag:yaml.org,2002:' + tag.slice(2); + } + type = schema.compiledTypeMap['fallback'][tag]; + + if (type && _hasOwnProperty.call(type.styleAliases, style)) { + style = type.styleAliases[style]; + } + + result[tag] = style; + } + + return result; + } + + function encodeHex(character) { + var string, handle, length; + + string = character.toString(16).toUpperCase(); + + if (character <= 0xFF) { + handle = 'x'; + length = 2; + } else if (character <= 0xFFFF) { + handle = 'u'; + length = 4; + } else if (character <= 0xFFFFFFFF) { + handle = 'U'; + length = 8; + } else { + throw new exception('code point within a string may not be greater than 0xFFFFFFFF'); + } + + return '\\' + handle + common.repeat('0', length - string.length) + string; + } + + + var QUOTING_TYPE_SINGLE = 1, + QUOTING_TYPE_DOUBLE = 2; + + function State(options) { + this.schema = options['schema'] || _default; + this.indent = Math.max(1, (options['indent'] || 2)); + this.noArrayIndent = options['noArrayIndent'] || false; + this.skipInvalid = options['skipInvalid'] || false; + this.flowLevel = (common.isNothing(options['flowLevel']) ? -1 : options['flowLevel']); + this.styleMap = compileStyleMap(this.schema, options['styles'] || null); + this.sortKeys = options['sortKeys'] || false; + this.lineWidth = options['lineWidth'] || 80; + this.noRefs = options['noRefs'] || false; + this.noCompatMode = options['noCompatMode'] || false; + this.condenseFlow = options['condenseFlow'] || false; + this.quotingType = options['quotingType'] === '"' ? QUOTING_TYPE_DOUBLE : QUOTING_TYPE_SINGLE; + this.forceQuotes = options['forceQuotes'] || false; + this.replacer = typeof options['replacer'] === 'function' ? options['replacer'] : null; + + this.implicitTypes = this.schema.compiledImplicit; + this.explicitTypes = this.schema.compiledExplicit; + + this.tag = null; + this.result = ''; + + this.duplicates = []; + this.usedDuplicates = null; + } + + // Indents every line in a string. Empty lines (\n only) are not indented. + function indentString(string, spaces) { + var ind = common.repeat(' ', spaces), + position = 0, + next = -1, + result = '', + line, + length = string.length; + + while (position < length) { + next = string.indexOf('\n', position); + if (next === -1) { + line = string.slice(position); + position = length; + } else { + line = string.slice(position, next + 1); + position = next + 1; + } + + if (line.length && line !== '\n') result += ind; + + result += line; + } + + return result; + } + + function generateNextLine(state, level) { + return '\n' + common.repeat(' ', state.indent * level); + } + + function testImplicitResolving(state, str) { + var index, length, type; + + for (index = 0, length = state.implicitTypes.length; index < length; index += 1) { + type = state.implicitTypes[index]; + + if (type.resolve(str)) { + return true; + } + } + + return false; + } + + // [33] s-white ::= s-space | s-tab + function isWhitespace(c) { + return c === CHAR_SPACE || c === CHAR_TAB; + } + + // Returns true if the character can be printed without escaping. + // From YAML 1.2: "any allowed characters known to be non-printable + // should also be escaped. [However,] This isn’t mandatory" + // Derived from nb-char - \t - #x85 - #xA0 - #x2028 - #x2029. + function isPrintable(c) { + return (0x00020 <= c && c <= 0x00007E) + || ((0x000A1 <= c && c <= 0x00D7FF) && c !== 0x2028 && c !== 0x2029) + || ((0x0E000 <= c && c <= 0x00FFFD) && c !== CHAR_BOM) + || (0x10000 <= c && c <= 0x10FFFF); + } + + // [34] ns-char ::= nb-char - s-white + // [27] nb-char ::= c-printable - b-char - c-byte-order-mark + // [26] b-char ::= b-line-feed | b-carriage-return + // Including s-white (for some reason, examples doesn't match specs in this aspect) + // ns-char ::= c-printable - b-line-feed - b-carriage-return - c-byte-order-mark + function isNsCharOrWhitespace(c) { + return isPrintable(c) + && c !== CHAR_BOM + // - b-char + && c !== CHAR_CARRIAGE_RETURN + && c !== CHAR_LINE_FEED; + } + + // [127] ns-plain-safe(c) ::= c = flow-out ⇒ ns-plain-safe-out + // c = flow-in ⇒ ns-plain-safe-in + // c = block-key ⇒ ns-plain-safe-out + // c = flow-key ⇒ ns-plain-safe-in + // [128] ns-plain-safe-out ::= ns-char + // [129] ns-plain-safe-in ::= ns-char - c-flow-indicator + // [130] ns-plain-char(c) ::= ( ns-plain-safe(c) - “:” - “#” ) + // | ( /* An ns-char preceding */ “#” ) + // | ( “:” /* Followed by an ns-plain-safe(c) */ ) + function isPlainSafe(c, prev, inblock) { + var cIsNsCharOrWhitespace = isNsCharOrWhitespace(c); + var cIsNsChar = cIsNsCharOrWhitespace && !isWhitespace(c); + return ( + // ns-plain-safe + inblock ? // c = flow-in + cIsNsCharOrWhitespace + : cIsNsCharOrWhitespace + // - c-flow-indicator + && c !== CHAR_COMMA + && c !== CHAR_LEFT_SQUARE_BRACKET + && c !== CHAR_RIGHT_SQUARE_BRACKET + && c !== CHAR_LEFT_CURLY_BRACKET + && c !== CHAR_RIGHT_CURLY_BRACKET + ) + // ns-plain-char + && c !== CHAR_SHARP // false on '#' + && !(prev === CHAR_COLON && !cIsNsChar) // false on ': ' + || (isNsCharOrWhitespace(prev) && !isWhitespace(prev) && c === CHAR_SHARP) // change to true on '[^ ]#' + || (prev === CHAR_COLON && cIsNsChar); // change to true on ':[^ ]' + } + + // Simplified test for values allowed as the first character in plain style. + function isPlainSafeFirst(c) { + // Uses a subset of ns-char - c-indicator + // where ns-char = nb-char - s-white. + // No support of ( ( “?” | “:” | “-” ) /* Followed by an ns-plain-safe(c)) */ ) part + return isPrintable(c) && c !== CHAR_BOM + && !isWhitespace(c) // - s-white + // - (c-indicator ::= + // “-” | “?” | “:” | “,” | “[” | “]” | “{” | “}” + && c !== CHAR_MINUS + && c !== CHAR_QUESTION + && c !== CHAR_COLON + && c !== CHAR_COMMA + && c !== CHAR_LEFT_SQUARE_BRACKET + && c !== CHAR_RIGHT_SQUARE_BRACKET + && c !== CHAR_LEFT_CURLY_BRACKET + && c !== CHAR_RIGHT_CURLY_BRACKET + // | “#” | “&” | “*” | “!” | “|” | “=” | “>” | “'” | “"” + && c !== CHAR_SHARP + && c !== CHAR_AMPERSAND + && c !== CHAR_ASTERISK + && c !== CHAR_EXCLAMATION + && c !== CHAR_VERTICAL_LINE + && c !== CHAR_EQUALS + && c !== CHAR_GREATER_THAN + && c !== CHAR_SINGLE_QUOTE + && c !== CHAR_DOUBLE_QUOTE + // | “%” | “@” | “`”) + && c !== CHAR_PERCENT + && c !== CHAR_COMMERCIAL_AT + && c !== CHAR_GRAVE_ACCENT; + } + + // Simplified test for values allowed as the last character in plain style. + function isPlainSafeLast(c) { + // just not whitespace or colon, it will be checked to be plain character later + return !isWhitespace(c) && c !== CHAR_COLON; + } + + // Same as 'string'.codePointAt(pos), but works in older browsers. + function codePointAt(string, pos) { + var first = string.charCodeAt(pos), second; + if (first >= 0xD800 && first <= 0xDBFF && pos + 1 < string.length) { + second = string.charCodeAt(pos + 1); + if (second >= 0xDC00 && second <= 0xDFFF) { + // https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae + return (first - 0xD800) * 0x400 + second - 0xDC00 + 0x10000; + } + } + return first; + } + + // Determines whether block indentation indicator is required. + function needIndentIndicator(string) { + var leadingSpaceRe = /^\n* /; + return leadingSpaceRe.test(string); + } + + var STYLE_PLAIN = 1, + STYLE_SINGLE = 2, + STYLE_LITERAL = 3, + STYLE_FOLDED = 4, + STYLE_DOUBLE = 5; + + // Determines which scalar styles are possible and returns the preferred style. + // lineWidth = -1 => no limit. + // Pre-conditions: str.length > 0. + // Post-conditions: + // STYLE_PLAIN or STYLE_SINGLE => no \n are in the string. + // STYLE_LITERAL => no lines are suitable for folding (or lineWidth is -1). + // STYLE_FOLDED => a line > lineWidth and can be folded (and lineWidth != -1). + function chooseScalarStyle(string, singleLineOnly, indentPerLevel, lineWidth, + testAmbiguousType, quotingType, forceQuotes, inblock) { + + var i; + var char = 0; + var prevChar = null; + var hasLineBreak = false; + var hasFoldableLine = false; // only checked if shouldTrackWidth + var shouldTrackWidth = lineWidth !== -1; + var previousLineBreak = -1; // count the first line correctly + var plain = isPlainSafeFirst(codePointAt(string, 0)) + && isPlainSafeLast(codePointAt(string, string.length - 1)); + + if (singleLineOnly || forceQuotes) { + // Case: no block styles. + // Check for disallowed characters to rule out plain and single. + for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) { + char = codePointAt(string, i); + if (!isPrintable(char)) { + return STYLE_DOUBLE; + } + plain = plain && isPlainSafe(char, prevChar, inblock); + prevChar = char; + } + } else { + // Case: block styles permitted. + for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) { + char = codePointAt(string, i); + if (char === CHAR_LINE_FEED) { + hasLineBreak = true; + // Check if any line can be folded. + if (shouldTrackWidth) { + hasFoldableLine = hasFoldableLine || + // Foldable line = too long, and not more-indented. + (i - previousLineBreak - 1 > lineWidth && + string[previousLineBreak + 1] !== ' '); + previousLineBreak = i; + } + } else if (!isPrintable(char)) { + return STYLE_DOUBLE; + } + plain = plain && isPlainSafe(char, prevChar, inblock); + prevChar = char; + } + // in case the end is missing a \n + hasFoldableLine = hasFoldableLine || (shouldTrackWidth && + (i - previousLineBreak - 1 > lineWidth && + string[previousLineBreak + 1] !== ' ')); + } + // Although every style can represent \n without escaping, prefer block styles + // for multiline, since they're more readable and they don't add empty lines. + // Also prefer folding a super-long line. + if (!hasLineBreak && !hasFoldableLine) { + // Strings interpretable as another type have to be quoted; + // e.g. the string 'true' vs. the boolean true. + if (plain && !forceQuotes && !testAmbiguousType(string)) { + return STYLE_PLAIN; + } + return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE; + } + // Edge case: block indentation indicator can only have one digit. + if (indentPerLevel > 9 && needIndentIndicator(string)) { + return STYLE_DOUBLE; + } + // At this point we know block styles are valid. + // Prefer literal style unless we want to fold. + if (!forceQuotes) { + return hasFoldableLine ? STYLE_FOLDED : STYLE_LITERAL; + } + return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE; + } + + // Note: line breaking/folding is implemented for only the folded style. + // NB. We drop the last trailing newline (if any) of a returned block scalar + // since the dumper adds its own newline. This always works: + // • No ending newline => unaffected; already using strip "-" chomping. + // • Ending newline => removed then restored. + // Importantly, this keeps the "+" chomp indicator from gaining an extra line. + function writeScalar(state, string, level, iskey, inblock) { + state.dump = (function () { + if (string.length === 0) { + return state.quotingType === QUOTING_TYPE_DOUBLE ? '""' : "''"; + } + if (!state.noCompatMode) { + if (DEPRECATED_BOOLEANS_SYNTAX.indexOf(string) !== -1 || DEPRECATED_BASE60_SYNTAX.test(string)) { + return state.quotingType === QUOTING_TYPE_DOUBLE ? ('"' + string + '"') : ("'" + string + "'"); + } + } + + var indent = state.indent * Math.max(1, level); // no 0-indent scalars + // As indentation gets deeper, let the width decrease monotonically + // to the lower bound min(state.lineWidth, 40). + // Note that this implies + // state.lineWidth ≤ 40 + state.indent: width is fixed at the lower bound. + // state.lineWidth > 40 + state.indent: width decreases until the lower bound. + // This behaves better than a constant minimum width which disallows narrower options, + // or an indent threshold which causes the width to suddenly increase. + var lineWidth = state.lineWidth === -1 + ? -1 : Math.max(Math.min(state.lineWidth, 40), state.lineWidth - indent); + + // Without knowing if keys are implicit/explicit, assume implicit for safety. + var singleLineOnly = iskey + // No block styles in flow mode. + || (state.flowLevel > -1 && level >= state.flowLevel); + function testAmbiguity(string) { + return testImplicitResolving(state, string); + } + + switch (chooseScalarStyle(string, singleLineOnly, state.indent, lineWidth, + testAmbiguity, state.quotingType, state.forceQuotes && !iskey, inblock)) { + + case STYLE_PLAIN: + return string; + case STYLE_SINGLE: + return "'" + string.replace(/'/g, "''") + "'"; + case STYLE_LITERAL: + return '|' + blockHeader(string, state.indent) + + dropEndingNewline(indentString(string, indent)); + case STYLE_FOLDED: + return '>' + blockHeader(string, state.indent) + + dropEndingNewline(indentString(foldString(string, lineWidth), indent)); + case STYLE_DOUBLE: + return '"' + escapeString(string) + '"'; + default: + throw new exception('impossible error: invalid scalar style'); + } + }()); + } + + // Pre-conditions: string is valid for a block scalar, 1 <= indentPerLevel <= 9. + function blockHeader(string, indentPerLevel) { + var indentIndicator = needIndentIndicator(string) ? String(indentPerLevel) : ''; + + // note the special case: the string '\n' counts as a "trailing" empty line. + var clip = string[string.length - 1] === '\n'; + var keep = clip && (string[string.length - 2] === '\n' || string === '\n'); + var chomp = keep ? '+' : (clip ? '' : '-'); + + return indentIndicator + chomp + '\n'; + } + + // (See the note for writeScalar.) + function dropEndingNewline(string) { + return string[string.length - 1] === '\n' ? string.slice(0, -1) : string; + } + + // Note: a long line without a suitable break point will exceed the width limit. + // Pre-conditions: every char in str isPrintable, str.length > 0, width > 0. + function foldString(string, width) { + // In folded style, $k$ consecutive newlines output as $k+1$ newlines— + // unless they're before or after a more-indented line, or at the very + // beginning or end, in which case $k$ maps to $k$. + // Therefore, parse each chunk as newline(s) followed by a content line. + var lineRe = /(\n+)([^\n]*)/g; + + // first line (possibly an empty line) + var result = (function () { + var nextLF = string.indexOf('\n'); + nextLF = nextLF !== -1 ? nextLF : string.length; + lineRe.lastIndex = nextLF; + return foldLine(string.slice(0, nextLF), width); + }()); + // If we haven't reached the first content line yet, don't add an extra \n. + var prevMoreIndented = string[0] === '\n' || string[0] === ' '; + var moreIndented; + + // rest of the lines + var match; + while ((match = lineRe.exec(string))) { + var prefix = match[1], line = match[2]; + moreIndented = (line[0] === ' '); + result += prefix + + (!prevMoreIndented && !moreIndented && line !== '' + ? '\n' : '') + + foldLine(line, width); + prevMoreIndented = moreIndented; + } + + return result; + } + + // Greedy line breaking. + // Picks the longest line under the limit each time, + // otherwise settles for the shortest line over the limit. + // NB. More-indented lines *cannot* be folded, as that would add an extra \n. + function foldLine(line, width) { + if (line === '' || line[0] === ' ') return line; + + // Since a more-indented line adds a \n, breaks can't be followed by a space. + var breakRe = / [^ ]/g; // note: the match index will always be <= length-2. + var match; + // start is an inclusive index. end, curr, and next are exclusive. + var start = 0, end, curr = 0, next = 0; + var result = ''; + + // Invariants: 0 <= start <= length-1. + // 0 <= curr <= next <= max(0, length-2). curr - start <= width. + // Inside the loop: + // A match implies length >= 2, so curr and next are <= length-2. + while ((match = breakRe.exec(line))) { + next = match.index; + // maintain invariant: curr - start <= width + if (next - start > width) { + end = (curr > start) ? curr : next; // derive end <= length-2 + result += '\n' + line.slice(start, end); + // skip the space that was output as \n + start = end + 1; // derive start <= length-1 + } + curr = next; + } + + // By the invariants, start <= length-1, so there is something left over. + // It is either the whole string or a part starting from non-whitespace. + result += '\n'; + // Insert a break if the remainder is too long and there is a break available. + if (line.length - start > width && curr > start) { + result += line.slice(start, curr) + '\n' + line.slice(curr + 1); + } else { + result += line.slice(start); + } + + return result.slice(1); // drop extra \n joiner + } + + // Escapes a double-quoted string. + function escapeString(string) { + var result = ''; + var char = 0; + var escapeSeq; + + for (var i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) { + char = codePointAt(string, i); + escapeSeq = ESCAPE_SEQUENCES[char]; + + if (!escapeSeq && isPrintable(char)) { + result += string[i]; + if (char >= 0x10000) result += string[i + 1]; + } else { + result += escapeSeq || encodeHex(char); + } + } + + return result; + } + + function writeFlowSequence(state, level, object) { + var _result = '', + _tag = state.tag, + index, + length, + value; + + for (index = 0, length = object.length; index < length; index += 1) { + value = object[index]; + + if (state.replacer) { + value = state.replacer.call(object, String(index), value); + } + + // Write only valid elements, put null instead of invalid elements. + if (writeNode(state, level, value, false, false) || + (typeof value === 'undefined' && + writeNode(state, level, null, false, false))) { + + if (_result !== '') _result += ',' + (!state.condenseFlow ? ' ' : ''); + _result += state.dump; + } + } + + state.tag = _tag; + state.dump = '[' + _result + ']'; + } + + function writeBlockSequence(state, level, object, compact) { + var _result = '', + _tag = state.tag, + index, + length, + value; + + for (index = 0, length = object.length; index < length; index += 1) { + value = object[index]; + + if (state.replacer) { + value = state.replacer.call(object, String(index), value); + } + + // Write only valid elements, put null instead of invalid elements. + if (writeNode(state, level + 1, value, true, true, false, true) || + (typeof value === 'undefined' && + writeNode(state, level + 1, null, true, true, false, true))) { + + if (!compact || _result !== '') { + _result += generateNextLine(state, level); + } + + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + _result += '-'; + } else { + _result += '- '; + } + + _result += state.dump; + } + } + + state.tag = _tag; + state.dump = _result || '[]'; // Empty sequence if no valid values. + } + + function writeFlowMapping(state, level, object) { + var _result = '', + _tag = state.tag, + objectKeyList = Object.keys(object), + index, + length, + objectKey, + objectValue, + pairBuffer; + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + + pairBuffer = ''; + if (_result !== '') pairBuffer += ', '; + + if (state.condenseFlow) pairBuffer += '"'; + + objectKey = objectKeyList[index]; + objectValue = object[objectKey]; + + if (state.replacer) { + objectValue = state.replacer.call(object, objectKey, objectValue); + } + + if (!writeNode(state, level, objectKey, false, false)) { + continue; // Skip this pair because of invalid key; + } + + if (state.dump.length > 1024) pairBuffer += '? '; + + pairBuffer += state.dump + (state.condenseFlow ? '"' : '') + ':' + (state.condenseFlow ? '' : ' '); + + if (!writeNode(state, level, objectValue, false, false)) { + continue; // Skip this pair because of invalid value. + } + + pairBuffer += state.dump; + + // Both key and value are valid. + _result += pairBuffer; + } + + state.tag = _tag; + state.dump = '{' + _result + '}'; + } + + function writeBlockMapping(state, level, object, compact) { + var _result = '', + _tag = state.tag, + objectKeyList = Object.keys(object), + index, + length, + objectKey, + objectValue, + explicitPair, + pairBuffer; + + // Allow sorting keys so that the output file is deterministic + if (state.sortKeys === true) { + // Default sorting + objectKeyList.sort(); + } else if (typeof state.sortKeys === 'function') { + // Custom sort function + objectKeyList.sort(state.sortKeys); + } else if (state.sortKeys) { + // Something is wrong + throw new exception('sortKeys must be a boolean or a function'); + } + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + pairBuffer = ''; + + if (!compact || _result !== '') { + pairBuffer += generateNextLine(state, level); + } + + objectKey = objectKeyList[index]; + objectValue = object[objectKey]; + + if (state.replacer) { + objectValue = state.replacer.call(object, objectKey, objectValue); + } + + if (!writeNode(state, level + 1, objectKey, true, true, true)) { + continue; // Skip this pair because of invalid key. + } + + explicitPair = (state.tag !== null && state.tag !== '?') || + (state.dump && state.dump.length > 1024); + + if (explicitPair) { + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + pairBuffer += '?'; + } else { + pairBuffer += '? '; + } + } + + pairBuffer += state.dump; + + if (explicitPair) { + pairBuffer += generateNextLine(state, level); + } + + if (!writeNode(state, level + 1, objectValue, true, explicitPair)) { + continue; // Skip this pair because of invalid value. + } + + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + pairBuffer += ':'; + } else { + pairBuffer += ': '; + } + + pairBuffer += state.dump; + + // Both key and value are valid. + _result += pairBuffer; + } + + state.tag = _tag; + state.dump = _result || '{}'; // Empty mapping if no valid pairs. + } + + function detectType(state, object, explicit) { + var _result, typeList, index, length, type, style; + + typeList = explicit ? state.explicitTypes : state.implicitTypes; + + for (index = 0, length = typeList.length; index < length; index += 1) { + type = typeList[index]; + + if ((type.instanceOf || type.predicate) && + (!type.instanceOf || ((typeof object === 'object') && (object instanceof type.instanceOf))) && + (!type.predicate || type.predicate(object))) { + + if (explicit) { + if (type.multi && type.representName) { + state.tag = type.representName(object); + } else { + state.tag = type.tag; + } + } else { + state.tag = '?'; + } + + if (type.represent) { + style = state.styleMap[type.tag] || type.defaultStyle; + + if (_toString.call(type.represent) === '[object Function]') { + _result = type.represent(object, style); + } else if (_hasOwnProperty.call(type.represent, style)) { + _result = type.represent[style](object, style); + } else { + throw new exception('!<' + type.tag + '> tag resolver accepts not "' + style + '" style'); + } + + state.dump = _result; + } + + return true; + } + } + + return false; + } + + // Serializes `object` and writes it to global `result`. + // Returns true on success, or false on invalid object. + // + function writeNode(state, level, object, block, compact, iskey, isblockseq) { + state.tag = null; + state.dump = object; + + if (!detectType(state, object, false)) { + detectType(state, object, true); + } + + var type = _toString.call(state.dump); + var inblock = block; + var tagStr; + + if (block) { + block = (state.flowLevel < 0 || state.flowLevel > level); + } + + var objectOrArray = type === '[object Object]' || type === '[object Array]', + duplicateIndex, + duplicate; + + if (objectOrArray) { + duplicateIndex = state.duplicates.indexOf(object); + duplicate = duplicateIndex !== -1; + } + + if ((state.tag !== null && state.tag !== '?') || duplicate || (state.indent !== 2 && level > 0)) { + compact = false; + } + + if (duplicate && state.usedDuplicates[duplicateIndex]) { + state.dump = '*ref_' + duplicateIndex; + } else { + if (objectOrArray && duplicate && !state.usedDuplicates[duplicateIndex]) { + state.usedDuplicates[duplicateIndex] = true; + } + if (type === '[object Object]') { + if (block && (Object.keys(state.dump).length !== 0)) { + writeBlockMapping(state, level, state.dump, compact); + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + state.dump; + } + } else { + writeFlowMapping(state, level, state.dump); + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + ' ' + state.dump; + } + } + } else if (type === '[object Array]') { + if (block && (state.dump.length !== 0)) { + if (state.noArrayIndent && !isblockseq && level > 0) { + writeBlockSequence(state, level - 1, state.dump, compact); + } else { + writeBlockSequence(state, level, state.dump, compact); + } + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + state.dump; + } + } else { + writeFlowSequence(state, level, state.dump); + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + ' ' + state.dump; + } + } + } else if (type === '[object String]') { + if (state.tag !== '?') { + writeScalar(state, state.dump, level, iskey, inblock); + } + } else if (type === '[object Undefined]') { + return false; + } else { + if (state.skipInvalid) return false; + throw new exception('unacceptable kind of an object to dump ' + type); + } + + if (state.tag !== null && state.tag !== '?') { + // Need to encode all characters except those allowed by the spec: + // + // [35] ns-dec-digit ::= [#x30-#x39] /* 0-9 */ + // [36] ns-hex-digit ::= ns-dec-digit + // | [#x41-#x46] /* A-F */ | [#x61-#x66] /* a-f */ + // [37] ns-ascii-letter ::= [#x41-#x5A] /* A-Z */ | [#x61-#x7A] /* a-z */ + // [38] ns-word-char ::= ns-dec-digit | ns-ascii-letter | “-” + // [39] ns-uri-char ::= “%” ns-hex-digit ns-hex-digit | ns-word-char | “#” + // | “;” | “/” | “?” | “:” | “@” | “&” | “=” | “+” | “$” | “,” + // | “_” | “.” | “!” | “~” | “*” | “'” | “(” | “)” | “[” | “]” + // + // Also need to encode '!' because it has special meaning (end of tag prefix). + // + tagStr = encodeURI( + state.tag[0] === '!' ? state.tag.slice(1) : state.tag + ).replace(/!/g, '%21'); + + if (state.tag[0] === '!') { + tagStr = '!' + tagStr; + } else if (tagStr.slice(0, 18) === 'tag:yaml.org,2002:') { + tagStr = '!!' + tagStr.slice(18); + } else { + tagStr = '!<' + tagStr + '>'; + } + + state.dump = tagStr + ' ' + state.dump; + } + } + + return true; + } + + function getDuplicateReferences(object, state) { + var objects = [], + duplicatesIndexes = [], + index, + length; + + inspectNode(object, objects, duplicatesIndexes); + + for (index = 0, length = duplicatesIndexes.length; index < length; index += 1) { + state.duplicates.push(objects[duplicatesIndexes[index]]); + } + state.usedDuplicates = new Array(length); + } + + function inspectNode(object, objects, duplicatesIndexes) { + var objectKeyList, + index, + length; + + if (object !== null && typeof object === 'object') { + index = objects.indexOf(object); + if (index !== -1) { + if (duplicatesIndexes.indexOf(index) === -1) { + duplicatesIndexes.push(index); + } + } else { + objects.push(object); + + if (Array.isArray(object)) { + for (index = 0, length = object.length; index < length; index += 1) { + inspectNode(object[index], objects, duplicatesIndexes); + } + } else { + objectKeyList = Object.keys(object); + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + inspectNode(object[objectKeyList[index]], objects, duplicatesIndexes); + } + } + } + } + } + + function dump$1(input, options) { + options = options || {}; + + var state = new State(options); + + if (!state.noRefs) getDuplicateReferences(input, state); + + var value = input; + + if (state.replacer) { + value = state.replacer.call({ '': value }, '', value); + } + + if (writeNode(state, 0, value, true, true)) return state.dump + '\n'; + + return ''; + } + + var dump_1 = dump$1; + + var dumper = { + dump: dump_1 + }; + + function renamed(from, to) { + return function () { + throw new Error('Function yaml.' + from + ' is removed in js-yaml 4. ' + + 'Use yaml.' + to + ' instead, which is now safe by default.'); + }; + } + + + var Type = type; + var Schema = schema; + var FAILSAFE_SCHEMA = failsafe; + var JSON_SCHEMA = json; + var CORE_SCHEMA = core; + var DEFAULT_SCHEMA = _default; + var load = loader.load; + var loadAll = loader.loadAll; + var dump = dumper.dump; + var YAMLException = exception; + + // Re-export all types in case user wants to create custom schema + var types = { + binary: binary, + float: float, + map: map, + null: _null, + pairs: pairs, + set: set, + timestamp: timestamp, + bool: bool, + int: int, + merge: merge, + omap: omap, + seq: seq, + str: str + }; + + // Removed functions from JS-YAML 3.0.x + var safeLoad = renamed('safeLoad', 'load'); + var safeLoadAll = renamed('safeLoadAll', 'loadAll'); + var safeDump = renamed('safeDump', 'dump'); + + var jsYaml = { + Type: Type, + Schema: Schema, + FAILSAFE_SCHEMA: FAILSAFE_SCHEMA, + JSON_SCHEMA: JSON_SCHEMA, + CORE_SCHEMA: CORE_SCHEMA, + DEFAULT_SCHEMA: DEFAULT_SCHEMA, + load: load, + loadAll: loadAll, + dump: dump, + YAMLException: YAMLException, + types: types, + safeLoad: safeLoad, + safeLoadAll: safeLoadAll, + safeDump: safeDump + }; + + exports.CORE_SCHEMA = CORE_SCHEMA; + exports.DEFAULT_SCHEMA = DEFAULT_SCHEMA; + exports.FAILSAFE_SCHEMA = FAILSAFE_SCHEMA; + exports.JSON_SCHEMA = JSON_SCHEMA; + exports.Schema = Schema; + exports.Type = Type; + exports.YAMLException = YAMLException; + exports.default = jsYaml; + exports.dump = dump; + exports.load = load; + exports.loadAll = loadAll; + exports.safeDump = safeDump; + exports.safeLoad = safeLoad; + exports.safeLoadAll = safeLoadAll; + exports.types = types; + + Object.defineProperty(exports, '__esModule', { value: true }); + +}))); diff --git a/node_modules/js-yaml/dist/js-yaml.min.js b/node_modules/js-yaml/dist/js-yaml.min.js new file mode 100644 index 0000000..bdd8eef --- /dev/null +++ b/node_modules/js-yaml/dist/js-yaml.min.js @@ -0,0 +1,2 @@ +/*! js-yaml 4.1.0 https://github.com/nodeca/js-yaml @license MIT */ +!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).jsyaml={})}(this,(function(e){"use strict";function t(e){return null==e}var n={isNothing:t,isObject:function(e){return"object"==typeof e&&null!==e},toArray:function(e){return Array.isArray(e)?e:t(e)?[]:[e]},repeat:function(e,t){var n,i="";for(n=0;n<t;n+=1)i+=e;return i},isNegativeZero:function(e){return 0===e&&Number.NEGATIVE_INFINITY===1/e},extend:function(e,t){var n,i,r,o;if(t)for(n=0,i=(o=Object.keys(t)).length;n<i;n+=1)e[r=o[n]]=t[r];return e}};function i(e,t){var n="",i=e.reason||"(unknown reason)";return e.mark?(e.mark.name&&(n+='in "'+e.mark.name+'" '),n+="("+(e.mark.line+1)+":"+(e.mark.column+1)+")",!t&&e.mark.snippet&&(n+="\n\n"+e.mark.snippet),i+" "+n):i}function r(e,t){Error.call(this),this.name="YAMLException",this.reason=e,this.mark=t,this.message=i(this,!1),Error.captureStackTrace?Error.captureStackTrace(this,this.constructor):this.stack=(new Error).stack||""}r.prototype=Object.create(Error.prototype),r.prototype.constructor=r,r.prototype.toString=function(e){return this.name+": "+i(this,e)};var o=r;function a(e,t,n,i,r){var o="",a="",l=Math.floor(r/2)-1;return i-t>l&&(t=i-l+(o=" ... ").length),n-i>l&&(n=i+l-(a=" ...").length),{str:o+e.slice(t,n).replace(/\t/g,"→")+a,pos:i-t+o.length}}function l(e,t){return n.repeat(" ",t-e.length)+e}var c=function(e,t){if(t=Object.create(t||null),!e.buffer)return null;t.maxLength||(t.maxLength=79),"number"!=typeof t.indent&&(t.indent=1),"number"!=typeof t.linesBefore&&(t.linesBefore=3),"number"!=typeof t.linesAfter&&(t.linesAfter=2);for(var i,r=/\r?\n|\r|\0/g,o=[0],c=[],s=-1;i=r.exec(e.buffer);)c.push(i.index),o.push(i.index+i[0].length),e.position<=i.index&&s<0&&(s=o.length-2);s<0&&(s=o.length-1);var u,p,f="",d=Math.min(e.line+t.linesAfter,c.length).toString().length,h=t.maxLength-(t.indent+d+3);for(u=1;u<=t.linesBefore&&!(s-u<0);u++)p=a(e.buffer,o[s-u],c[s-u],e.position-(o[s]-o[s-u]),h),f=n.repeat(" ",t.indent)+l((e.line-u+1).toString(),d)+" | "+p.str+"\n"+f;for(p=a(e.buffer,o[s],c[s],e.position,h),f+=n.repeat(" ",t.indent)+l((e.line+1).toString(),d)+" | "+p.str+"\n",f+=n.repeat("-",t.indent+d+3+p.pos)+"^\n",u=1;u<=t.linesAfter&&!(s+u>=c.length);u++)p=a(e.buffer,o[s+u],c[s+u],e.position-(o[s]-o[s+u]),h),f+=n.repeat(" ",t.indent)+l((e.line+u+1).toString(),d)+" | "+p.str+"\n";return f.replace(/\n$/,"")},s=["kind","multi","resolve","construct","instanceOf","predicate","represent","representName","defaultStyle","styleAliases"],u=["scalar","sequence","mapping"];var p=function(e,t){if(t=t||{},Object.keys(t).forEach((function(t){if(-1===s.indexOf(t))throw new o('Unknown option "'+t+'" is met in definition of "'+e+'" YAML type.')})),this.options=t,this.tag=e,this.kind=t.kind||null,this.resolve=t.resolve||function(){return!0},this.construct=t.construct||function(e){return e},this.instanceOf=t.instanceOf||null,this.predicate=t.predicate||null,this.represent=t.represent||null,this.representName=t.representName||null,this.defaultStyle=t.defaultStyle||null,this.multi=t.multi||!1,this.styleAliases=function(e){var t={};return null!==e&&Object.keys(e).forEach((function(n){e[n].forEach((function(e){t[String(e)]=n}))})),t}(t.styleAliases||null),-1===u.indexOf(this.kind))throw new o('Unknown kind "'+this.kind+'" is specified for "'+e+'" YAML type.')};function f(e,t){var n=[];return e[t].forEach((function(e){var t=n.length;n.forEach((function(n,i){n.tag===e.tag&&n.kind===e.kind&&n.multi===e.multi&&(t=i)})),n[t]=e})),n}function d(e){return this.extend(e)}d.prototype.extend=function(e){var t=[],n=[];if(e instanceof p)n.push(e);else if(Array.isArray(e))n=n.concat(e);else{if(!e||!Array.isArray(e.implicit)&&!Array.isArray(e.explicit))throw new o("Schema.extend argument should be a Type, [ Type ], or a schema definition ({ implicit: [...], explicit: [...] })");e.implicit&&(t=t.concat(e.implicit)),e.explicit&&(n=n.concat(e.explicit))}t.forEach((function(e){if(!(e instanceof p))throw new o("Specified list of YAML types (or a single Type object) contains a non-Type object.");if(e.loadKind&&"scalar"!==e.loadKind)throw new o("There is a non-scalar type in the implicit list of a schema. Implicit resolving of such types is not supported.");if(e.multi)throw new o("There is a multi type in the implicit list of a schema. Multi tags can only be listed as explicit.")})),n.forEach((function(e){if(!(e instanceof p))throw new o("Specified list of YAML types (or a single Type object) contains a non-Type object.")}));var i=Object.create(d.prototype);return i.implicit=(this.implicit||[]).concat(t),i.explicit=(this.explicit||[]).concat(n),i.compiledImplicit=f(i,"implicit"),i.compiledExplicit=f(i,"explicit"),i.compiledTypeMap=function(){var e,t,n={scalar:{},sequence:{},mapping:{},fallback:{},multi:{scalar:[],sequence:[],mapping:[],fallback:[]}};function i(e){e.multi?(n.multi[e.kind].push(e),n.multi.fallback.push(e)):n[e.kind][e.tag]=n.fallback[e.tag]=e}for(e=0,t=arguments.length;e<t;e+=1)arguments[e].forEach(i);return n}(i.compiledImplicit,i.compiledExplicit),i};var h=d,g=new p("tag:yaml.org,2002:str",{kind:"scalar",construct:function(e){return null!==e?e:""}}),m=new p("tag:yaml.org,2002:seq",{kind:"sequence",construct:function(e){return null!==e?e:[]}}),y=new p("tag:yaml.org,2002:map",{kind:"mapping",construct:function(e){return null!==e?e:{}}}),b=new h({explicit:[g,m,y]});var A=new p("tag:yaml.org,2002:null",{kind:"scalar",resolve:function(e){if(null===e)return!0;var t=e.length;return 1===t&&"~"===e||4===t&&("null"===e||"Null"===e||"NULL"===e)},construct:function(){return null},predicate:function(e){return null===e},represent:{canonical:function(){return"~"},lowercase:function(){return"null"},uppercase:function(){return"NULL"},camelcase:function(){return"Null"},empty:function(){return""}},defaultStyle:"lowercase"});var v=new p("tag:yaml.org,2002:bool",{kind:"scalar",resolve:function(e){if(null===e)return!1;var t=e.length;return 4===t&&("true"===e||"True"===e||"TRUE"===e)||5===t&&("false"===e||"False"===e||"FALSE"===e)},construct:function(e){return"true"===e||"True"===e||"TRUE"===e},predicate:function(e){return"[object Boolean]"===Object.prototype.toString.call(e)},represent:{lowercase:function(e){return e?"true":"false"},uppercase:function(e){return e?"TRUE":"FALSE"},camelcase:function(e){return e?"True":"False"}},defaultStyle:"lowercase"});function w(e){return 48<=e&&e<=55}function k(e){return 48<=e&&e<=57}var C=new p("tag:yaml.org,2002:int",{kind:"scalar",resolve:function(e){if(null===e)return!1;var t,n,i=e.length,r=0,o=!1;if(!i)return!1;if("-"!==(t=e[r])&&"+"!==t||(t=e[++r]),"0"===t){if(r+1===i)return!0;if("b"===(t=e[++r])){for(r++;r<i;r++)if("_"!==(t=e[r])){if("0"!==t&&"1"!==t)return!1;o=!0}return o&&"_"!==t}if("x"===t){for(r++;r<i;r++)if("_"!==(t=e[r])){if(!(48<=(n=e.charCodeAt(r))&&n<=57||65<=n&&n<=70||97<=n&&n<=102))return!1;o=!0}return o&&"_"!==t}if("o"===t){for(r++;r<i;r++)if("_"!==(t=e[r])){if(!w(e.charCodeAt(r)))return!1;o=!0}return o&&"_"!==t}}if("_"===t)return!1;for(;r<i;r++)if("_"!==(t=e[r])){if(!k(e.charCodeAt(r)))return!1;o=!0}return!(!o||"_"===t)},construct:function(e){var t,n=e,i=1;if(-1!==n.indexOf("_")&&(n=n.replace(/_/g,"")),"-"!==(t=n[0])&&"+"!==t||("-"===t&&(i=-1),t=(n=n.slice(1))[0]),"0"===n)return 0;if("0"===t){if("b"===n[1])return i*parseInt(n.slice(2),2);if("x"===n[1])return i*parseInt(n.slice(2),16);if("o"===n[1])return i*parseInt(n.slice(2),8)}return i*parseInt(n,10)},predicate:function(e){return"[object Number]"===Object.prototype.toString.call(e)&&e%1==0&&!n.isNegativeZero(e)},represent:{binary:function(e){return e>=0?"0b"+e.toString(2):"-0b"+e.toString(2).slice(1)},octal:function(e){return e>=0?"0o"+e.toString(8):"-0o"+e.toString(8).slice(1)},decimal:function(e){return e.toString(10)},hexadecimal:function(e){return e>=0?"0x"+e.toString(16).toUpperCase():"-0x"+e.toString(16).toUpperCase().slice(1)}},defaultStyle:"decimal",styleAliases:{binary:[2,"bin"],octal:[8,"oct"],decimal:[10,"dec"],hexadecimal:[16,"hex"]}}),x=new RegExp("^(?:[-+]?(?:[0-9][0-9_]*)(?:\\.[0-9_]*)?(?:[eE][-+]?[0-9]+)?|\\.[0-9_]+(?:[eE][-+]?[0-9]+)?|[-+]?\\.(?:inf|Inf|INF)|\\.(?:nan|NaN|NAN))$");var I=/^[-+]?[0-9]+e/;var S=new p("tag:yaml.org,2002:float",{kind:"scalar",resolve:function(e){return null!==e&&!(!x.test(e)||"_"===e[e.length-1])},construct:function(e){var t,n;return n="-"===(t=e.replace(/_/g,"").toLowerCase())[0]?-1:1,"+-".indexOf(t[0])>=0&&(t=t.slice(1)),".inf"===t?1===n?Number.POSITIVE_INFINITY:Number.NEGATIVE_INFINITY:".nan"===t?NaN:n*parseFloat(t,10)},predicate:function(e){return"[object Number]"===Object.prototype.toString.call(e)&&(e%1!=0||n.isNegativeZero(e))},represent:function(e,t){var i;if(isNaN(e))switch(t){case"lowercase":return".nan";case"uppercase":return".NAN";case"camelcase":return".NaN"}else if(Number.POSITIVE_INFINITY===e)switch(t){case"lowercase":return".inf";case"uppercase":return".INF";case"camelcase":return".Inf"}else if(Number.NEGATIVE_INFINITY===e)switch(t){case"lowercase":return"-.inf";case"uppercase":return"-.INF";case"camelcase":return"-.Inf"}else if(n.isNegativeZero(e))return"-0.0";return i=e.toString(10),I.test(i)?i.replace("e",".e"):i},defaultStyle:"lowercase"}),O=b.extend({implicit:[A,v,C,S]}),j=O,T=new RegExp("^([0-9][0-9][0-9][0-9])-([0-9][0-9])-([0-9][0-9])$"),N=new RegExp("^([0-9][0-9][0-9][0-9])-([0-9][0-9]?)-([0-9][0-9]?)(?:[Tt]|[ \\t]+)([0-9][0-9]?):([0-9][0-9]):([0-9][0-9])(?:\\.([0-9]*))?(?:[ \\t]*(Z|([-+])([0-9][0-9]?)(?::([0-9][0-9]))?))?$");var F=new p("tag:yaml.org,2002:timestamp",{kind:"scalar",resolve:function(e){return null!==e&&(null!==T.exec(e)||null!==N.exec(e))},construct:function(e){var t,n,i,r,o,a,l,c,s=0,u=null;if(null===(t=T.exec(e))&&(t=N.exec(e)),null===t)throw new Error("Date resolve error");if(n=+t[1],i=+t[2]-1,r=+t[3],!t[4])return new Date(Date.UTC(n,i,r));if(o=+t[4],a=+t[5],l=+t[6],t[7]){for(s=t[7].slice(0,3);s.length<3;)s+="0";s=+s}return t[9]&&(u=6e4*(60*+t[10]+ +(t[11]||0)),"-"===t[9]&&(u=-u)),c=new Date(Date.UTC(n,i,r,o,a,l,s)),u&&c.setTime(c.getTime()-u),c},instanceOf:Date,represent:function(e){return e.toISOString()}});var E=new p("tag:yaml.org,2002:merge",{kind:"scalar",resolve:function(e){return"<<"===e||null===e}}),M="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\n\r";var L=new p("tag:yaml.org,2002:binary",{kind:"scalar",resolve:function(e){if(null===e)return!1;var t,n,i=0,r=e.length,o=M;for(n=0;n<r;n++)if(!((t=o.indexOf(e.charAt(n)))>64)){if(t<0)return!1;i+=6}return i%8==0},construct:function(e){var t,n,i=e.replace(/[\r\n=]/g,""),r=i.length,o=M,a=0,l=[];for(t=0;t<r;t++)t%4==0&&t&&(l.push(a>>16&255),l.push(a>>8&255),l.push(255&a)),a=a<<6|o.indexOf(i.charAt(t));return 0===(n=r%4*6)?(l.push(a>>16&255),l.push(a>>8&255),l.push(255&a)):18===n?(l.push(a>>10&255),l.push(a>>2&255)):12===n&&l.push(a>>4&255),new Uint8Array(l)},predicate:function(e){return"[object Uint8Array]"===Object.prototype.toString.call(e)},represent:function(e){var t,n,i="",r=0,o=e.length,a=M;for(t=0;t<o;t++)t%3==0&&t&&(i+=a[r>>18&63],i+=a[r>>12&63],i+=a[r>>6&63],i+=a[63&r]),r=(r<<8)+e[t];return 0===(n=o%3)?(i+=a[r>>18&63],i+=a[r>>12&63],i+=a[r>>6&63],i+=a[63&r]):2===n?(i+=a[r>>10&63],i+=a[r>>4&63],i+=a[r<<2&63],i+=a[64]):1===n&&(i+=a[r>>2&63],i+=a[r<<4&63],i+=a[64],i+=a[64]),i}}),_=Object.prototype.hasOwnProperty,D=Object.prototype.toString;var U=new p("tag:yaml.org,2002:omap",{kind:"sequence",resolve:function(e){if(null===e)return!0;var t,n,i,r,o,a=[],l=e;for(t=0,n=l.length;t<n;t+=1){if(i=l[t],o=!1,"[object Object]"!==D.call(i))return!1;for(r in i)if(_.call(i,r)){if(o)return!1;o=!0}if(!o)return!1;if(-1!==a.indexOf(r))return!1;a.push(r)}return!0},construct:function(e){return null!==e?e:[]}}),q=Object.prototype.toString;var Y=new p("tag:yaml.org,2002:pairs",{kind:"sequence",resolve:function(e){if(null===e)return!0;var t,n,i,r,o,a=e;for(o=new Array(a.length),t=0,n=a.length;t<n;t+=1){if(i=a[t],"[object Object]"!==q.call(i))return!1;if(1!==(r=Object.keys(i)).length)return!1;o[t]=[r[0],i[r[0]]]}return!0},construct:function(e){if(null===e)return[];var t,n,i,r,o,a=e;for(o=new Array(a.length),t=0,n=a.length;t<n;t+=1)i=a[t],r=Object.keys(i),o[t]=[r[0],i[r[0]]];return o}}),R=Object.prototype.hasOwnProperty;var B=new p("tag:yaml.org,2002:set",{kind:"mapping",resolve:function(e){if(null===e)return!0;var t,n=e;for(t in n)if(R.call(n,t)&&null!==n[t])return!1;return!0},construct:function(e){return null!==e?e:{}}}),K=j.extend({implicit:[F,E],explicit:[L,U,Y,B]}),P=Object.prototype.hasOwnProperty,W=/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x84\x86-\x9F\uFFFE\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/,H=/[\x85\u2028\u2029]/,$=/[,\[\]\{\}]/,G=/^(?:!|!!|![a-z\-]+!)$/i,V=/^(?:!|[^,\[\]\{\}])(?:%[0-9a-f]{2}|[0-9a-z\-#;\/\?:@&=\+\$,_\.!~\*'\(\)\[\]])*$/i;function Z(e){return Object.prototype.toString.call(e)}function J(e){return 10===e||13===e}function Q(e){return 9===e||32===e}function z(e){return 9===e||32===e||10===e||13===e}function X(e){return 44===e||91===e||93===e||123===e||125===e}function ee(e){var t;return 48<=e&&e<=57?e-48:97<=(t=32|e)&&t<=102?t-97+10:-1}function te(e){return 48===e?"\0":97===e?"":98===e?"\b":116===e||9===e?"\t":110===e?"\n":118===e?"\v":102===e?"\f":114===e?"\r":101===e?"":32===e?" ":34===e?'"':47===e?"/":92===e?"\\":78===e?"
":95===e?" ":76===e?"\u2028":80===e?"\u2029":""}function ne(e){return e<=65535?String.fromCharCode(e):String.fromCharCode(55296+(e-65536>>10),56320+(e-65536&1023))}for(var ie=new Array(256),re=new Array(256),oe=0;oe<256;oe++)ie[oe]=te(oe)?1:0,re[oe]=te(oe);function ae(e,t){this.input=e,this.filename=t.filename||null,this.schema=t.schema||K,this.onWarning=t.onWarning||null,this.legacy=t.legacy||!1,this.json=t.json||!1,this.listener=t.listener||null,this.implicitTypes=this.schema.compiledImplicit,this.typeMap=this.schema.compiledTypeMap,this.length=e.length,this.position=0,this.line=0,this.lineStart=0,this.lineIndent=0,this.firstTabInLine=-1,this.documents=[]}function le(e,t){var n={name:e.filename,buffer:e.input.slice(0,-1),position:e.position,line:e.line,column:e.position-e.lineStart};return n.snippet=c(n),new o(t,n)}function ce(e,t){throw le(e,t)}function se(e,t){e.onWarning&&e.onWarning.call(null,le(e,t))}var ue={YAML:function(e,t,n){var i,r,o;null!==e.version&&ce(e,"duplication of %YAML directive"),1!==n.length&&ce(e,"YAML directive accepts exactly one argument"),null===(i=/^([0-9]+)\.([0-9]+)$/.exec(n[0]))&&ce(e,"ill-formed argument of the YAML directive"),r=parseInt(i[1],10),o=parseInt(i[2],10),1!==r&&ce(e,"unacceptable YAML version of the document"),e.version=n[0],e.checkLineBreaks=o<2,1!==o&&2!==o&&se(e,"unsupported YAML version of the document")},TAG:function(e,t,n){var i,r;2!==n.length&&ce(e,"TAG directive accepts exactly two arguments"),i=n[0],r=n[1],G.test(i)||ce(e,"ill-formed tag handle (first argument) of the TAG directive"),P.call(e.tagMap,i)&&ce(e,'there is a previously declared suffix for "'+i+'" tag handle'),V.test(r)||ce(e,"ill-formed tag prefix (second argument) of the TAG directive");try{r=decodeURIComponent(r)}catch(t){ce(e,"tag prefix is malformed: "+r)}e.tagMap[i]=r}};function pe(e,t,n,i){var r,o,a,l;if(t<n){if(l=e.input.slice(t,n),i)for(r=0,o=l.length;r<o;r+=1)9===(a=l.charCodeAt(r))||32<=a&&a<=1114111||ce(e,"expected valid JSON character");else W.test(l)&&ce(e,"the stream contains non-printable characters");e.result+=l}}function fe(e,t,i,r){var o,a,l,c;for(n.isObject(i)||ce(e,"cannot merge mappings; the provided source object is unacceptable"),l=0,c=(o=Object.keys(i)).length;l<c;l+=1)a=o[l],P.call(t,a)||(t[a]=i[a],r[a]=!0)}function de(e,t,n,i,r,o,a,l,c){var s,u;if(Array.isArray(r))for(s=0,u=(r=Array.prototype.slice.call(r)).length;s<u;s+=1)Array.isArray(r[s])&&ce(e,"nested arrays are not supported inside keys"),"object"==typeof r&&"[object Object]"===Z(r[s])&&(r[s]="[object Object]");if("object"==typeof r&&"[object Object]"===Z(r)&&(r="[object Object]"),r=String(r),null===t&&(t={}),"tag:yaml.org,2002:merge"===i)if(Array.isArray(o))for(s=0,u=o.length;s<u;s+=1)fe(e,t,o[s],n);else fe(e,t,o,n);else e.json||P.call(n,r)||!P.call(t,r)||(e.line=a||e.line,e.lineStart=l||e.lineStart,e.position=c||e.position,ce(e,"duplicated mapping key")),"__proto__"===r?Object.defineProperty(t,r,{configurable:!0,enumerable:!0,writable:!0,value:o}):t[r]=o,delete n[r];return t}function he(e){var t;10===(t=e.input.charCodeAt(e.position))?e.position++:13===t?(e.position++,10===e.input.charCodeAt(e.position)&&e.position++):ce(e,"a line break is expected"),e.line+=1,e.lineStart=e.position,e.firstTabInLine=-1}function ge(e,t,n){for(var i=0,r=e.input.charCodeAt(e.position);0!==r;){for(;Q(r);)9===r&&-1===e.firstTabInLine&&(e.firstTabInLine=e.position),r=e.input.charCodeAt(++e.position);if(t&&35===r)do{r=e.input.charCodeAt(++e.position)}while(10!==r&&13!==r&&0!==r);if(!J(r))break;for(he(e),r=e.input.charCodeAt(e.position),i++,e.lineIndent=0;32===r;)e.lineIndent++,r=e.input.charCodeAt(++e.position)}return-1!==n&&0!==i&&e.lineIndent<n&&se(e,"deficient indentation"),i}function me(e){var t,n=e.position;return!(45!==(t=e.input.charCodeAt(n))&&46!==t||t!==e.input.charCodeAt(n+1)||t!==e.input.charCodeAt(n+2)||(n+=3,0!==(t=e.input.charCodeAt(n))&&!z(t)))}function ye(e,t){1===t?e.result+=" ":t>1&&(e.result+=n.repeat("\n",t-1))}function be(e,t){var n,i,r=e.tag,o=e.anchor,a=[],l=!1;if(-1!==e.firstTabInLine)return!1;for(null!==e.anchor&&(e.anchorMap[e.anchor]=a),i=e.input.charCodeAt(e.position);0!==i&&(-1!==e.firstTabInLine&&(e.position=e.firstTabInLine,ce(e,"tab characters must not be used in indentation")),45===i)&&z(e.input.charCodeAt(e.position+1));)if(l=!0,e.position++,ge(e,!0,-1)&&e.lineIndent<=t)a.push(null),i=e.input.charCodeAt(e.position);else if(n=e.line,we(e,t,3,!1,!0),a.push(e.result),ge(e,!0,-1),i=e.input.charCodeAt(e.position),(e.line===n||e.lineIndent>t)&&0!==i)ce(e,"bad indentation of a sequence entry");else if(e.lineIndent<t)break;return!!l&&(e.tag=r,e.anchor=o,e.kind="sequence",e.result=a,!0)}function Ae(e){var t,n,i,r,o=!1,a=!1;if(33!==(r=e.input.charCodeAt(e.position)))return!1;if(null!==e.tag&&ce(e,"duplication of a tag property"),60===(r=e.input.charCodeAt(++e.position))?(o=!0,r=e.input.charCodeAt(++e.position)):33===r?(a=!0,n="!!",r=e.input.charCodeAt(++e.position)):n="!",t=e.position,o){do{r=e.input.charCodeAt(++e.position)}while(0!==r&&62!==r);e.position<e.length?(i=e.input.slice(t,e.position),r=e.input.charCodeAt(++e.position)):ce(e,"unexpected end of the stream within a verbatim tag")}else{for(;0!==r&&!z(r);)33===r&&(a?ce(e,"tag suffix cannot contain exclamation marks"):(n=e.input.slice(t-1,e.position+1),G.test(n)||ce(e,"named tag handle cannot contain such characters"),a=!0,t=e.position+1)),r=e.input.charCodeAt(++e.position);i=e.input.slice(t,e.position),$.test(i)&&ce(e,"tag suffix cannot contain flow indicator characters")}i&&!V.test(i)&&ce(e,"tag name cannot contain such characters: "+i);try{i=decodeURIComponent(i)}catch(t){ce(e,"tag name is malformed: "+i)}return o?e.tag=i:P.call(e.tagMap,n)?e.tag=e.tagMap[n]+i:"!"===n?e.tag="!"+i:"!!"===n?e.tag="tag:yaml.org,2002:"+i:ce(e,'undeclared tag handle "'+n+'"'),!0}function ve(e){var t,n;if(38!==(n=e.input.charCodeAt(e.position)))return!1;for(null!==e.anchor&&ce(e,"duplication of an anchor property"),n=e.input.charCodeAt(++e.position),t=e.position;0!==n&&!z(n)&&!X(n);)n=e.input.charCodeAt(++e.position);return e.position===t&&ce(e,"name of an anchor node must contain at least one character"),e.anchor=e.input.slice(t,e.position),!0}function we(e,t,i,r,o){var a,l,c,s,u,p,f,d,h,g=1,m=!1,y=!1;if(null!==e.listener&&e.listener("open",e),e.tag=null,e.anchor=null,e.kind=null,e.result=null,a=l=c=4===i||3===i,r&&ge(e,!0,-1)&&(m=!0,e.lineIndent>t?g=1:e.lineIndent===t?g=0:e.lineIndent<t&&(g=-1)),1===g)for(;Ae(e)||ve(e);)ge(e,!0,-1)?(m=!0,c=a,e.lineIndent>t?g=1:e.lineIndent===t?g=0:e.lineIndent<t&&(g=-1)):c=!1;if(c&&(c=m||o),1!==g&&4!==i||(d=1===i||2===i?t:t+1,h=e.position-e.lineStart,1===g?c&&(be(e,h)||function(e,t,n){var i,r,o,a,l,c,s,u=e.tag,p=e.anchor,f={},d=Object.create(null),h=null,g=null,m=null,y=!1,b=!1;if(-1!==e.firstTabInLine)return!1;for(null!==e.anchor&&(e.anchorMap[e.anchor]=f),s=e.input.charCodeAt(e.position);0!==s;){if(y||-1===e.firstTabInLine||(e.position=e.firstTabInLine,ce(e,"tab characters must not be used in indentation")),i=e.input.charCodeAt(e.position+1),o=e.line,63!==s&&58!==s||!z(i)){if(a=e.line,l=e.lineStart,c=e.position,!we(e,n,2,!1,!0))break;if(e.line===o){for(s=e.input.charCodeAt(e.position);Q(s);)s=e.input.charCodeAt(++e.position);if(58===s)z(s=e.input.charCodeAt(++e.position))||ce(e,"a whitespace character is expected after the key-value separator within a block mapping"),y&&(de(e,f,d,h,g,null,a,l,c),h=g=m=null),b=!0,y=!1,r=!1,h=e.tag,g=e.result;else{if(!b)return e.tag=u,e.anchor=p,!0;ce(e,"can not read an implicit mapping pair; a colon is missed")}}else{if(!b)return e.tag=u,e.anchor=p,!0;ce(e,"can not read a block mapping entry; a multiline key may not be an implicit key")}}else 63===s?(y&&(de(e,f,d,h,g,null,a,l,c),h=g=m=null),b=!0,y=!0,r=!0):y?(y=!1,r=!0):ce(e,"incomplete explicit mapping pair; a key node is missed; or followed by a non-tabulated empty line"),e.position+=1,s=i;if((e.line===o||e.lineIndent>t)&&(y&&(a=e.line,l=e.lineStart,c=e.position),we(e,t,4,!0,r)&&(y?g=e.result:m=e.result),y||(de(e,f,d,h,g,m,a,l,c),h=g=m=null),ge(e,!0,-1),s=e.input.charCodeAt(e.position)),(e.line===o||e.lineIndent>t)&&0!==s)ce(e,"bad indentation of a mapping entry");else if(e.lineIndent<t)break}return y&&de(e,f,d,h,g,null,a,l,c),b&&(e.tag=u,e.anchor=p,e.kind="mapping",e.result=f),b}(e,h,d))||function(e,t){var n,i,r,o,a,l,c,s,u,p,f,d,h=!0,g=e.tag,m=e.anchor,y=Object.create(null);if(91===(d=e.input.charCodeAt(e.position)))a=93,s=!1,o=[];else{if(123!==d)return!1;a=125,s=!0,o={}}for(null!==e.anchor&&(e.anchorMap[e.anchor]=o),d=e.input.charCodeAt(++e.position);0!==d;){if(ge(e,!0,t),(d=e.input.charCodeAt(e.position))===a)return e.position++,e.tag=g,e.anchor=m,e.kind=s?"mapping":"sequence",e.result=o,!0;h?44===d&&ce(e,"expected the node content, but found ','"):ce(e,"missed comma between flow collection entries"),f=null,l=c=!1,63===d&&z(e.input.charCodeAt(e.position+1))&&(l=c=!0,e.position++,ge(e,!0,t)),n=e.line,i=e.lineStart,r=e.position,we(e,t,1,!1,!0),p=e.tag,u=e.result,ge(e,!0,t),d=e.input.charCodeAt(e.position),!c&&e.line!==n||58!==d||(l=!0,d=e.input.charCodeAt(++e.position),ge(e,!0,t),we(e,t,1,!1,!0),f=e.result),s?de(e,o,y,p,u,f,n,i,r):l?o.push(de(e,null,y,p,u,f,n,i,r)):o.push(u),ge(e,!0,t),44===(d=e.input.charCodeAt(e.position))?(h=!0,d=e.input.charCodeAt(++e.position)):h=!1}ce(e,"unexpected end of the stream within a flow collection")}(e,d)?y=!0:(l&&function(e,t){var i,r,o,a,l,c=1,s=!1,u=!1,p=t,f=0,d=!1;if(124===(a=e.input.charCodeAt(e.position)))r=!1;else{if(62!==a)return!1;r=!0}for(e.kind="scalar",e.result="";0!==a;)if(43===(a=e.input.charCodeAt(++e.position))||45===a)1===c?c=43===a?3:2:ce(e,"repeat of a chomping mode identifier");else{if(!((o=48<=(l=a)&&l<=57?l-48:-1)>=0))break;0===o?ce(e,"bad explicit indentation width of a block scalar; it cannot be less than one"):u?ce(e,"repeat of an indentation width identifier"):(p=t+o-1,u=!0)}if(Q(a)){do{a=e.input.charCodeAt(++e.position)}while(Q(a));if(35===a)do{a=e.input.charCodeAt(++e.position)}while(!J(a)&&0!==a)}for(;0!==a;){for(he(e),e.lineIndent=0,a=e.input.charCodeAt(e.position);(!u||e.lineIndent<p)&&32===a;)e.lineIndent++,a=e.input.charCodeAt(++e.position);if(!u&&e.lineIndent>p&&(p=e.lineIndent),J(a))f++;else{if(e.lineIndent<p){3===c?e.result+=n.repeat("\n",s?1+f:f):1===c&&s&&(e.result+="\n");break}for(r?Q(a)?(d=!0,e.result+=n.repeat("\n",s?1+f:f)):d?(d=!1,e.result+=n.repeat("\n",f+1)):0===f?s&&(e.result+=" "):e.result+=n.repeat("\n",f):e.result+=n.repeat("\n",s?1+f:f),s=!0,u=!0,f=0,i=e.position;!J(a)&&0!==a;)a=e.input.charCodeAt(++e.position);pe(e,i,e.position,!1)}}return!0}(e,d)||function(e,t){var n,i,r;if(39!==(n=e.input.charCodeAt(e.position)))return!1;for(e.kind="scalar",e.result="",e.position++,i=r=e.position;0!==(n=e.input.charCodeAt(e.position));)if(39===n){if(pe(e,i,e.position,!0),39!==(n=e.input.charCodeAt(++e.position)))return!0;i=e.position,e.position++,r=e.position}else J(n)?(pe(e,i,r,!0),ye(e,ge(e,!1,t)),i=r=e.position):e.position===e.lineStart&&me(e)?ce(e,"unexpected end of the document within a single quoted scalar"):(e.position++,r=e.position);ce(e,"unexpected end of the stream within a single quoted scalar")}(e,d)||function(e,t){var n,i,r,o,a,l,c;if(34!==(l=e.input.charCodeAt(e.position)))return!1;for(e.kind="scalar",e.result="",e.position++,n=i=e.position;0!==(l=e.input.charCodeAt(e.position));){if(34===l)return pe(e,n,e.position,!0),e.position++,!0;if(92===l){if(pe(e,n,e.position,!0),J(l=e.input.charCodeAt(++e.position)))ge(e,!1,t);else if(l<256&&ie[l])e.result+=re[l],e.position++;else if((a=120===(c=l)?2:117===c?4:85===c?8:0)>0){for(r=a,o=0;r>0;r--)(a=ee(l=e.input.charCodeAt(++e.position)))>=0?o=(o<<4)+a:ce(e,"expected hexadecimal character");e.result+=ne(o),e.position++}else ce(e,"unknown escape sequence");n=i=e.position}else J(l)?(pe(e,n,i,!0),ye(e,ge(e,!1,t)),n=i=e.position):e.position===e.lineStart&&me(e)?ce(e,"unexpected end of the document within a double quoted scalar"):(e.position++,i=e.position)}ce(e,"unexpected end of the stream within a double quoted scalar")}(e,d)?y=!0:!function(e){var t,n,i;if(42!==(i=e.input.charCodeAt(e.position)))return!1;for(i=e.input.charCodeAt(++e.position),t=e.position;0!==i&&!z(i)&&!X(i);)i=e.input.charCodeAt(++e.position);return e.position===t&&ce(e,"name of an alias node must contain at least one character"),n=e.input.slice(t,e.position),P.call(e.anchorMap,n)||ce(e,'unidentified alias "'+n+'"'),e.result=e.anchorMap[n],ge(e,!0,-1),!0}(e)?function(e,t,n){var i,r,o,a,l,c,s,u,p=e.kind,f=e.result;if(z(u=e.input.charCodeAt(e.position))||X(u)||35===u||38===u||42===u||33===u||124===u||62===u||39===u||34===u||37===u||64===u||96===u)return!1;if((63===u||45===u)&&(z(i=e.input.charCodeAt(e.position+1))||n&&X(i)))return!1;for(e.kind="scalar",e.result="",r=o=e.position,a=!1;0!==u;){if(58===u){if(z(i=e.input.charCodeAt(e.position+1))||n&&X(i))break}else if(35===u){if(z(e.input.charCodeAt(e.position-1)))break}else{if(e.position===e.lineStart&&me(e)||n&&X(u))break;if(J(u)){if(l=e.line,c=e.lineStart,s=e.lineIndent,ge(e,!1,-1),e.lineIndent>=t){a=!0,u=e.input.charCodeAt(e.position);continue}e.position=o,e.line=l,e.lineStart=c,e.lineIndent=s;break}}a&&(pe(e,r,o,!1),ye(e,e.line-l),r=o=e.position,a=!1),Q(u)||(o=e.position+1),u=e.input.charCodeAt(++e.position)}return pe(e,r,o,!1),!!e.result||(e.kind=p,e.result=f,!1)}(e,d,1===i)&&(y=!0,null===e.tag&&(e.tag="?")):(y=!0,null===e.tag&&null===e.anchor||ce(e,"alias node should not have any properties")),null!==e.anchor&&(e.anchorMap[e.anchor]=e.result)):0===g&&(y=c&&be(e,h))),null===e.tag)null!==e.anchor&&(e.anchorMap[e.anchor]=e.result);else if("?"===e.tag){for(null!==e.result&&"scalar"!==e.kind&&ce(e,'unacceptable node kind for !<?> tag; it should be "scalar", not "'+e.kind+'"'),s=0,u=e.implicitTypes.length;s<u;s+=1)if((f=e.implicitTypes[s]).resolve(e.result)){e.result=f.construct(e.result),e.tag=f.tag,null!==e.anchor&&(e.anchorMap[e.anchor]=e.result);break}}else if("!"!==e.tag){if(P.call(e.typeMap[e.kind||"fallback"],e.tag))f=e.typeMap[e.kind||"fallback"][e.tag];else for(f=null,s=0,u=(p=e.typeMap.multi[e.kind||"fallback"]).length;s<u;s+=1)if(e.tag.slice(0,p[s].tag.length)===p[s].tag){f=p[s];break}f||ce(e,"unknown tag !<"+e.tag+">"),null!==e.result&&f.kind!==e.kind&&ce(e,"unacceptable node kind for !<"+e.tag+'> tag; it should be "'+f.kind+'", not "'+e.kind+'"'),f.resolve(e.result,e.tag)?(e.result=f.construct(e.result,e.tag),null!==e.anchor&&(e.anchorMap[e.anchor]=e.result)):ce(e,"cannot resolve a node with !<"+e.tag+"> explicit tag")}return null!==e.listener&&e.listener("close",e),null!==e.tag||null!==e.anchor||y}function ke(e){var t,n,i,r,o=e.position,a=!1;for(e.version=null,e.checkLineBreaks=e.legacy,e.tagMap=Object.create(null),e.anchorMap=Object.create(null);0!==(r=e.input.charCodeAt(e.position))&&(ge(e,!0,-1),r=e.input.charCodeAt(e.position),!(e.lineIndent>0||37!==r));){for(a=!0,r=e.input.charCodeAt(++e.position),t=e.position;0!==r&&!z(r);)r=e.input.charCodeAt(++e.position);for(i=[],(n=e.input.slice(t,e.position)).length<1&&ce(e,"directive name must not be less than one character in length");0!==r;){for(;Q(r);)r=e.input.charCodeAt(++e.position);if(35===r){do{r=e.input.charCodeAt(++e.position)}while(0!==r&&!J(r));break}if(J(r))break;for(t=e.position;0!==r&&!z(r);)r=e.input.charCodeAt(++e.position);i.push(e.input.slice(t,e.position))}0!==r&&he(e),P.call(ue,n)?ue[n](e,n,i):se(e,'unknown document directive "'+n+'"')}ge(e,!0,-1),0===e.lineIndent&&45===e.input.charCodeAt(e.position)&&45===e.input.charCodeAt(e.position+1)&&45===e.input.charCodeAt(e.position+2)?(e.position+=3,ge(e,!0,-1)):a&&ce(e,"directives end mark is expected"),we(e,e.lineIndent-1,4,!1,!0),ge(e,!0,-1),e.checkLineBreaks&&H.test(e.input.slice(o,e.position))&&se(e,"non-ASCII line breaks are interpreted as content"),e.documents.push(e.result),e.position===e.lineStart&&me(e)?46===e.input.charCodeAt(e.position)&&(e.position+=3,ge(e,!0,-1)):e.position<e.length-1&&ce(e,"end of the stream or a document separator is expected")}function Ce(e,t){t=t||{},0!==(e=String(e)).length&&(10!==e.charCodeAt(e.length-1)&&13!==e.charCodeAt(e.length-1)&&(e+="\n"),65279===e.charCodeAt(0)&&(e=e.slice(1)));var n=new ae(e,t),i=e.indexOf("\0");for(-1!==i&&(n.position=i,ce(n,"null byte is not allowed in input")),n.input+="\0";32===n.input.charCodeAt(n.position);)n.lineIndent+=1,n.position+=1;for(;n.position<n.length-1;)ke(n);return n.documents}var xe={loadAll:function(e,t,n){null!==t&&"object"==typeof t&&void 0===n&&(n=t,t=null);var i=Ce(e,n);if("function"!=typeof t)return i;for(var r=0,o=i.length;r<o;r+=1)t(i[r])},load:function(e,t){var n=Ce(e,t);if(0!==n.length){if(1===n.length)return n[0];throw new o("expected a single document in the stream, but found more")}}},Ie=Object.prototype.toString,Se=Object.prototype.hasOwnProperty,Oe=65279,je={0:"\\0",7:"\\a",8:"\\b",9:"\\t",10:"\\n",11:"\\v",12:"\\f",13:"\\r",27:"\\e",34:'\\"',92:"\\\\",133:"\\N",160:"\\_",8232:"\\L",8233:"\\P"},Te=["y","Y","yes","Yes","YES","on","On","ON","n","N","no","No","NO","off","Off","OFF"],Ne=/^[-+]?[0-9_]+(?::[0-9_]+)+(?:\.[0-9_]*)?$/;function Fe(e){var t,i,r;if(t=e.toString(16).toUpperCase(),e<=255)i="x",r=2;else if(e<=65535)i="u",r=4;else{if(!(e<=4294967295))throw new o("code point within a string may not be greater than 0xFFFFFFFF");i="U",r=8}return"\\"+i+n.repeat("0",r-t.length)+t}function Ee(e){this.schema=e.schema||K,this.indent=Math.max(1,e.indent||2),this.noArrayIndent=e.noArrayIndent||!1,this.skipInvalid=e.skipInvalid||!1,this.flowLevel=n.isNothing(e.flowLevel)?-1:e.flowLevel,this.styleMap=function(e,t){var n,i,r,o,a,l,c;if(null===t)return{};for(n={},r=0,o=(i=Object.keys(t)).length;r<o;r+=1)a=i[r],l=String(t[a]),"!!"===a.slice(0,2)&&(a="tag:yaml.org,2002:"+a.slice(2)),(c=e.compiledTypeMap.fallback[a])&&Se.call(c.styleAliases,l)&&(l=c.styleAliases[l]),n[a]=l;return n}(this.schema,e.styles||null),this.sortKeys=e.sortKeys||!1,this.lineWidth=e.lineWidth||80,this.noRefs=e.noRefs||!1,this.noCompatMode=e.noCompatMode||!1,this.condenseFlow=e.condenseFlow||!1,this.quotingType='"'===e.quotingType?2:1,this.forceQuotes=e.forceQuotes||!1,this.replacer="function"==typeof e.replacer?e.replacer:null,this.implicitTypes=this.schema.compiledImplicit,this.explicitTypes=this.schema.compiledExplicit,this.tag=null,this.result="",this.duplicates=[],this.usedDuplicates=null}function Me(e,t){for(var i,r=n.repeat(" ",t),o=0,a=-1,l="",c=e.length;o<c;)-1===(a=e.indexOf("\n",o))?(i=e.slice(o),o=c):(i=e.slice(o,a+1),o=a+1),i.length&&"\n"!==i&&(l+=r),l+=i;return l}function Le(e,t){return"\n"+n.repeat(" ",e.indent*t)}function _e(e){return 32===e||9===e}function De(e){return 32<=e&&e<=126||161<=e&&e<=55295&&8232!==e&&8233!==e||57344<=e&&e<=65533&&e!==Oe||65536<=e&&e<=1114111}function Ue(e){return De(e)&&e!==Oe&&13!==e&&10!==e}function qe(e,t,n){var i=Ue(e),r=i&&!_e(e);return(n?i:i&&44!==e&&91!==e&&93!==e&&123!==e&&125!==e)&&35!==e&&!(58===t&&!r)||Ue(t)&&!_e(t)&&35===e||58===t&&r}function Ye(e,t){var n,i=e.charCodeAt(t);return i>=55296&&i<=56319&&t+1<e.length&&(n=e.charCodeAt(t+1))>=56320&&n<=57343?1024*(i-55296)+n-56320+65536:i}function Re(e){return/^\n* /.test(e)}function Be(e,t,n,i,r,o,a,l){var c,s,u=0,p=null,f=!1,d=!1,h=-1!==i,g=-1,m=De(s=Ye(e,0))&&s!==Oe&&!_e(s)&&45!==s&&63!==s&&58!==s&&44!==s&&91!==s&&93!==s&&123!==s&&125!==s&&35!==s&&38!==s&&42!==s&&33!==s&&124!==s&&61!==s&&62!==s&&39!==s&&34!==s&&37!==s&&64!==s&&96!==s&&function(e){return!_e(e)&&58!==e}(Ye(e,e.length-1));if(t||a)for(c=0;c<e.length;u>=65536?c+=2:c++){if(!De(u=Ye(e,c)))return 5;m=m&&qe(u,p,l),p=u}else{for(c=0;c<e.length;u>=65536?c+=2:c++){if(10===(u=Ye(e,c)))f=!0,h&&(d=d||c-g-1>i&&" "!==e[g+1],g=c);else if(!De(u))return 5;m=m&&qe(u,p,l),p=u}d=d||h&&c-g-1>i&&" "!==e[g+1]}return f||d?n>9&&Re(e)?5:a?2===o?5:2:d?4:3:!m||a||r(e)?2===o?5:2:1}function Ke(e,t,n,i,r){e.dump=function(){if(0===t.length)return 2===e.quotingType?'""':"''";if(!e.noCompatMode&&(-1!==Te.indexOf(t)||Ne.test(t)))return 2===e.quotingType?'"'+t+'"':"'"+t+"'";var a=e.indent*Math.max(1,n),l=-1===e.lineWidth?-1:Math.max(Math.min(e.lineWidth,40),e.lineWidth-a),c=i||e.flowLevel>-1&&n>=e.flowLevel;switch(Be(t,c,e.indent,l,(function(t){return function(e,t){var n,i;for(n=0,i=e.implicitTypes.length;n<i;n+=1)if(e.implicitTypes[n].resolve(t))return!0;return!1}(e,t)}),e.quotingType,e.forceQuotes&&!i,r)){case 1:return t;case 2:return"'"+t.replace(/'/g,"''")+"'";case 3:return"|"+Pe(t,e.indent)+We(Me(t,a));case 4:return">"+Pe(t,e.indent)+We(Me(function(e,t){var n,i,r=/(\n+)([^\n]*)/g,o=(l=e.indexOf("\n"),l=-1!==l?l:e.length,r.lastIndex=l,He(e.slice(0,l),t)),a="\n"===e[0]||" "===e[0];var l;for(;i=r.exec(e);){var c=i[1],s=i[2];n=" "===s[0],o+=c+(a||n||""===s?"":"\n")+He(s,t),a=n}return o}(t,l),a));case 5:return'"'+function(e){for(var t,n="",i=0,r=0;r<e.length;i>=65536?r+=2:r++)i=Ye(e,r),!(t=je[i])&&De(i)?(n+=e[r],i>=65536&&(n+=e[r+1])):n+=t||Fe(i);return n}(t)+'"';default:throw new o("impossible error: invalid scalar style")}}()}function Pe(e,t){var n=Re(e)?String(t):"",i="\n"===e[e.length-1];return n+(i&&("\n"===e[e.length-2]||"\n"===e)?"+":i?"":"-")+"\n"}function We(e){return"\n"===e[e.length-1]?e.slice(0,-1):e}function He(e,t){if(""===e||" "===e[0])return e;for(var n,i,r=/ [^ ]/g,o=0,a=0,l=0,c="";n=r.exec(e);)(l=n.index)-o>t&&(i=a>o?a:l,c+="\n"+e.slice(o,i),o=i+1),a=l;return c+="\n",e.length-o>t&&a>o?c+=e.slice(o,a)+"\n"+e.slice(a+1):c+=e.slice(o),c.slice(1)}function $e(e,t,n,i){var r,o,a,l="",c=e.tag;for(r=0,o=n.length;r<o;r+=1)a=n[r],e.replacer&&(a=e.replacer.call(n,String(r),a)),(Ve(e,t+1,a,!0,!0,!1,!0)||void 0===a&&Ve(e,t+1,null,!0,!0,!1,!0))&&(i&&""===l||(l+=Le(e,t)),e.dump&&10===e.dump.charCodeAt(0)?l+="-":l+="- ",l+=e.dump);e.tag=c,e.dump=l||"[]"}function Ge(e,t,n){var i,r,a,l,c,s;for(a=0,l=(r=n?e.explicitTypes:e.implicitTypes).length;a<l;a+=1)if(((c=r[a]).instanceOf||c.predicate)&&(!c.instanceOf||"object"==typeof t&&t instanceof c.instanceOf)&&(!c.predicate||c.predicate(t))){if(n?c.multi&&c.representName?e.tag=c.representName(t):e.tag=c.tag:e.tag="?",c.represent){if(s=e.styleMap[c.tag]||c.defaultStyle,"[object Function]"===Ie.call(c.represent))i=c.represent(t,s);else{if(!Se.call(c.represent,s))throw new o("!<"+c.tag+'> tag resolver accepts not "'+s+'" style');i=c.represent[s](t,s)}e.dump=i}return!0}return!1}function Ve(e,t,n,i,r,a,l){e.tag=null,e.dump=n,Ge(e,n,!1)||Ge(e,n,!0);var c,s=Ie.call(e.dump),u=i;i&&(i=e.flowLevel<0||e.flowLevel>t);var p,f,d="[object Object]"===s||"[object Array]"===s;if(d&&(f=-1!==(p=e.duplicates.indexOf(n))),(null!==e.tag&&"?"!==e.tag||f||2!==e.indent&&t>0)&&(r=!1),f&&e.usedDuplicates[p])e.dump="*ref_"+p;else{if(d&&f&&!e.usedDuplicates[p]&&(e.usedDuplicates[p]=!0),"[object Object]"===s)i&&0!==Object.keys(e.dump).length?(!function(e,t,n,i){var r,a,l,c,s,u,p="",f=e.tag,d=Object.keys(n);if(!0===e.sortKeys)d.sort();else if("function"==typeof e.sortKeys)d.sort(e.sortKeys);else if(e.sortKeys)throw new o("sortKeys must be a boolean or a function");for(r=0,a=d.length;r<a;r+=1)u="",i&&""===p||(u+=Le(e,t)),c=n[l=d[r]],e.replacer&&(c=e.replacer.call(n,l,c)),Ve(e,t+1,l,!0,!0,!0)&&((s=null!==e.tag&&"?"!==e.tag||e.dump&&e.dump.length>1024)&&(e.dump&&10===e.dump.charCodeAt(0)?u+="?":u+="? "),u+=e.dump,s&&(u+=Le(e,t)),Ve(e,t+1,c,!0,s)&&(e.dump&&10===e.dump.charCodeAt(0)?u+=":":u+=": ",p+=u+=e.dump));e.tag=f,e.dump=p||"{}"}(e,t,e.dump,r),f&&(e.dump="&ref_"+p+e.dump)):(!function(e,t,n){var i,r,o,a,l,c="",s=e.tag,u=Object.keys(n);for(i=0,r=u.length;i<r;i+=1)l="",""!==c&&(l+=", "),e.condenseFlow&&(l+='"'),a=n[o=u[i]],e.replacer&&(a=e.replacer.call(n,o,a)),Ve(e,t,o,!1,!1)&&(e.dump.length>1024&&(l+="? "),l+=e.dump+(e.condenseFlow?'"':"")+":"+(e.condenseFlow?"":" "),Ve(e,t,a,!1,!1)&&(c+=l+=e.dump));e.tag=s,e.dump="{"+c+"}"}(e,t,e.dump),f&&(e.dump="&ref_"+p+" "+e.dump));else if("[object Array]"===s)i&&0!==e.dump.length?(e.noArrayIndent&&!l&&t>0?$e(e,t-1,e.dump,r):$e(e,t,e.dump,r),f&&(e.dump="&ref_"+p+e.dump)):(!function(e,t,n){var i,r,o,a="",l=e.tag;for(i=0,r=n.length;i<r;i+=1)o=n[i],e.replacer&&(o=e.replacer.call(n,String(i),o)),(Ve(e,t,o,!1,!1)||void 0===o&&Ve(e,t,null,!1,!1))&&(""!==a&&(a+=","+(e.condenseFlow?"":" ")),a+=e.dump);e.tag=l,e.dump="["+a+"]"}(e,t,e.dump),f&&(e.dump="&ref_"+p+" "+e.dump));else{if("[object String]"!==s){if("[object Undefined]"===s)return!1;if(e.skipInvalid)return!1;throw new o("unacceptable kind of an object to dump "+s)}"?"!==e.tag&&Ke(e,e.dump,t,a,u)}null!==e.tag&&"?"!==e.tag&&(c=encodeURI("!"===e.tag[0]?e.tag.slice(1):e.tag).replace(/!/g,"%21"),c="!"===e.tag[0]?"!"+c:"tag:yaml.org,2002:"===c.slice(0,18)?"!!"+c.slice(18):"!<"+c+">",e.dump=c+" "+e.dump)}return!0}function Ze(e,t){var n,i,r=[],o=[];for(Je(e,r,o),n=0,i=o.length;n<i;n+=1)t.duplicates.push(r[o[n]]);t.usedDuplicates=new Array(i)}function Je(e,t,n){var i,r,o;if(null!==e&&"object"==typeof e)if(-1!==(r=t.indexOf(e)))-1===n.indexOf(r)&&n.push(r);else if(t.push(e),Array.isArray(e))for(r=0,o=e.length;r<o;r+=1)Je(e[r],t,n);else for(r=0,o=(i=Object.keys(e)).length;r<o;r+=1)Je(e[i[r]],t,n)}function Qe(e,t){return function(){throw new Error("Function yaml."+e+" is removed in js-yaml 4. Use yaml."+t+" instead, which is now safe by default.")}}var ze=p,Xe=h,et=b,tt=O,nt=j,it=K,rt=xe.load,ot=xe.loadAll,at={dump:function(e,t){var n=new Ee(t=t||{});n.noRefs||Ze(e,n);var i=e;return n.replacer&&(i=n.replacer.call({"":i},"",i)),Ve(n,0,i,!0,!0)?n.dump+"\n":""}}.dump,lt=o,ct={binary:L,float:S,map:y,null:A,pairs:Y,set:B,timestamp:F,bool:v,int:C,merge:E,omap:U,seq:m,str:g},st=Qe("safeLoad","load"),ut=Qe("safeLoadAll","loadAll"),pt=Qe("safeDump","dump"),ft={Type:ze,Schema:Xe,FAILSAFE_SCHEMA:et,JSON_SCHEMA:tt,CORE_SCHEMA:nt,DEFAULT_SCHEMA:it,load:rt,loadAll:ot,dump:at,YAMLException:lt,types:ct,safeLoad:st,safeLoadAll:ut,safeDump:pt};e.CORE_SCHEMA=nt,e.DEFAULT_SCHEMA=it,e.FAILSAFE_SCHEMA=et,e.JSON_SCHEMA=tt,e.Schema=Xe,e.Type=ze,e.YAMLException=lt,e.default=ft,e.dump=at,e.load=rt,e.loadAll=ot,e.safeDump=pt,e.safeLoad=st,e.safeLoadAll=ut,e.types=ct,Object.defineProperty(e,"__esModule",{value:!0})})); diff --git a/node_modules/js-yaml/dist/js-yaml.mjs b/node_modules/js-yaml/dist/js-yaml.mjs new file mode 100644 index 0000000..be71cad --- /dev/null +++ b/node_modules/js-yaml/dist/js-yaml.mjs @@ -0,0 +1,3851 @@ + +/*! js-yaml 4.1.0 https://github.com/nodeca/js-yaml @license MIT */ +function isNothing(subject) { + return (typeof subject === 'undefined') || (subject === null); +} + + +function isObject(subject) { + return (typeof subject === 'object') && (subject !== null); +} + + +function toArray(sequence) { + if (Array.isArray(sequence)) return sequence; + else if (isNothing(sequence)) return []; + + return [ sequence ]; +} + + +function extend(target, source) { + var index, length, key, sourceKeys; + + if (source) { + sourceKeys = Object.keys(source); + + for (index = 0, length = sourceKeys.length; index < length; index += 1) { + key = sourceKeys[index]; + target[key] = source[key]; + } + } + + return target; +} + + +function repeat(string, count) { + var result = '', cycle; + + for (cycle = 0; cycle < count; cycle += 1) { + result += string; + } + + return result; +} + + +function isNegativeZero(number) { + return (number === 0) && (Number.NEGATIVE_INFINITY === 1 / number); +} + + +var isNothing_1 = isNothing; +var isObject_1 = isObject; +var toArray_1 = toArray; +var repeat_1 = repeat; +var isNegativeZero_1 = isNegativeZero; +var extend_1 = extend; + +var common = { + isNothing: isNothing_1, + isObject: isObject_1, + toArray: toArray_1, + repeat: repeat_1, + isNegativeZero: isNegativeZero_1, + extend: extend_1 +}; + +// YAML error class. http://stackoverflow.com/questions/8458984 + + +function formatError(exception, compact) { + var where = '', message = exception.reason || '(unknown reason)'; + + if (!exception.mark) return message; + + if (exception.mark.name) { + where += 'in "' + exception.mark.name + '" '; + } + + where += '(' + (exception.mark.line + 1) + ':' + (exception.mark.column + 1) + ')'; + + if (!compact && exception.mark.snippet) { + where += '\n\n' + exception.mark.snippet; + } + + return message + ' ' + where; +} + + +function YAMLException$1(reason, mark) { + // Super constructor + Error.call(this); + + this.name = 'YAMLException'; + this.reason = reason; + this.mark = mark; + this.message = formatError(this, false); + + // Include stack trace in error object + if (Error.captureStackTrace) { + // Chrome and NodeJS + Error.captureStackTrace(this, this.constructor); + } else { + // FF, IE 10+ and Safari 6+. Fallback for others + this.stack = (new Error()).stack || ''; + } +} + + +// Inherit from Error +YAMLException$1.prototype = Object.create(Error.prototype); +YAMLException$1.prototype.constructor = YAMLException$1; + + +YAMLException$1.prototype.toString = function toString(compact) { + return this.name + ': ' + formatError(this, compact); +}; + + +var exception = YAMLException$1; + +// get snippet for a single line, respecting maxLength +function getLine(buffer, lineStart, lineEnd, position, maxLineLength) { + var head = ''; + var tail = ''; + var maxHalfLength = Math.floor(maxLineLength / 2) - 1; + + if (position - lineStart > maxHalfLength) { + head = ' ... '; + lineStart = position - maxHalfLength + head.length; + } + + if (lineEnd - position > maxHalfLength) { + tail = ' ...'; + lineEnd = position + maxHalfLength - tail.length; + } + + return { + str: head + buffer.slice(lineStart, lineEnd).replace(/\t/g, '→') + tail, + pos: position - lineStart + head.length // relative position + }; +} + + +function padStart(string, max) { + return common.repeat(' ', max - string.length) + string; +} + + +function makeSnippet(mark, options) { + options = Object.create(options || null); + + if (!mark.buffer) return null; + + if (!options.maxLength) options.maxLength = 79; + if (typeof options.indent !== 'number') options.indent = 1; + if (typeof options.linesBefore !== 'number') options.linesBefore = 3; + if (typeof options.linesAfter !== 'number') options.linesAfter = 2; + + var re = /\r?\n|\r|\0/g; + var lineStarts = [ 0 ]; + var lineEnds = []; + var match; + var foundLineNo = -1; + + while ((match = re.exec(mark.buffer))) { + lineEnds.push(match.index); + lineStarts.push(match.index + match[0].length); + + if (mark.position <= match.index && foundLineNo < 0) { + foundLineNo = lineStarts.length - 2; + } + } + + if (foundLineNo < 0) foundLineNo = lineStarts.length - 1; + + var result = '', i, line; + var lineNoLength = Math.min(mark.line + options.linesAfter, lineEnds.length).toString().length; + var maxLineLength = options.maxLength - (options.indent + lineNoLength + 3); + + for (i = 1; i <= options.linesBefore; i++) { + if (foundLineNo - i < 0) break; + line = getLine( + mark.buffer, + lineStarts[foundLineNo - i], + lineEnds[foundLineNo - i], + mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo - i]), + maxLineLength + ); + result = common.repeat(' ', options.indent) + padStart((mark.line - i + 1).toString(), lineNoLength) + + ' | ' + line.str + '\n' + result; + } + + line = getLine(mark.buffer, lineStarts[foundLineNo], lineEnds[foundLineNo], mark.position, maxLineLength); + result += common.repeat(' ', options.indent) + padStart((mark.line + 1).toString(), lineNoLength) + + ' | ' + line.str + '\n'; + result += common.repeat('-', options.indent + lineNoLength + 3 + line.pos) + '^' + '\n'; + + for (i = 1; i <= options.linesAfter; i++) { + if (foundLineNo + i >= lineEnds.length) break; + line = getLine( + mark.buffer, + lineStarts[foundLineNo + i], + lineEnds[foundLineNo + i], + mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo + i]), + maxLineLength + ); + result += common.repeat(' ', options.indent) + padStart((mark.line + i + 1).toString(), lineNoLength) + + ' | ' + line.str + '\n'; + } + + return result.replace(/\n$/, ''); +} + + +var snippet = makeSnippet; + +var TYPE_CONSTRUCTOR_OPTIONS = [ + 'kind', + 'multi', + 'resolve', + 'construct', + 'instanceOf', + 'predicate', + 'represent', + 'representName', + 'defaultStyle', + 'styleAliases' +]; + +var YAML_NODE_KINDS = [ + 'scalar', + 'sequence', + 'mapping' +]; + +function compileStyleAliases(map) { + var result = {}; + + if (map !== null) { + Object.keys(map).forEach(function (style) { + map[style].forEach(function (alias) { + result[String(alias)] = style; + }); + }); + } + + return result; +} + +function Type$1(tag, options) { + options = options || {}; + + Object.keys(options).forEach(function (name) { + if (TYPE_CONSTRUCTOR_OPTIONS.indexOf(name) === -1) { + throw new exception('Unknown option "' + name + '" is met in definition of "' + tag + '" YAML type.'); + } + }); + + // TODO: Add tag format check. + this.options = options; // keep original options in case user wants to extend this type later + this.tag = tag; + this.kind = options['kind'] || null; + this.resolve = options['resolve'] || function () { return true; }; + this.construct = options['construct'] || function (data) { return data; }; + this.instanceOf = options['instanceOf'] || null; + this.predicate = options['predicate'] || null; + this.represent = options['represent'] || null; + this.representName = options['representName'] || null; + this.defaultStyle = options['defaultStyle'] || null; + this.multi = options['multi'] || false; + this.styleAliases = compileStyleAliases(options['styleAliases'] || null); + + if (YAML_NODE_KINDS.indexOf(this.kind) === -1) { + throw new exception('Unknown kind "' + this.kind + '" is specified for "' + tag + '" YAML type.'); + } +} + +var type = Type$1; + +/*eslint-disable max-len*/ + + + + + +function compileList(schema, name) { + var result = []; + + schema[name].forEach(function (currentType) { + var newIndex = result.length; + + result.forEach(function (previousType, previousIndex) { + if (previousType.tag === currentType.tag && + previousType.kind === currentType.kind && + previousType.multi === currentType.multi) { + + newIndex = previousIndex; + } + }); + + result[newIndex] = currentType; + }); + + return result; +} + + +function compileMap(/* lists... */) { + var result = { + scalar: {}, + sequence: {}, + mapping: {}, + fallback: {}, + multi: { + scalar: [], + sequence: [], + mapping: [], + fallback: [] + } + }, index, length; + + function collectType(type) { + if (type.multi) { + result.multi[type.kind].push(type); + result.multi['fallback'].push(type); + } else { + result[type.kind][type.tag] = result['fallback'][type.tag] = type; + } + } + + for (index = 0, length = arguments.length; index < length; index += 1) { + arguments[index].forEach(collectType); + } + return result; +} + + +function Schema$1(definition) { + return this.extend(definition); +} + + +Schema$1.prototype.extend = function extend(definition) { + var implicit = []; + var explicit = []; + + if (definition instanceof type) { + // Schema.extend(type) + explicit.push(definition); + + } else if (Array.isArray(definition)) { + // Schema.extend([ type1, type2, ... ]) + explicit = explicit.concat(definition); + + } else if (definition && (Array.isArray(definition.implicit) || Array.isArray(definition.explicit))) { + // Schema.extend({ explicit: [ type1, type2, ... ], implicit: [ type1, type2, ... ] }) + if (definition.implicit) implicit = implicit.concat(definition.implicit); + if (definition.explicit) explicit = explicit.concat(definition.explicit); + + } else { + throw new exception('Schema.extend argument should be a Type, [ Type ], ' + + 'or a schema definition ({ implicit: [...], explicit: [...] })'); + } + + implicit.forEach(function (type$1) { + if (!(type$1 instanceof type)) { + throw new exception('Specified list of YAML types (or a single Type object) contains a non-Type object.'); + } + + if (type$1.loadKind && type$1.loadKind !== 'scalar') { + throw new exception('There is a non-scalar type in the implicit list of a schema. Implicit resolving of such types is not supported.'); + } + + if (type$1.multi) { + throw new exception('There is a multi type in the implicit list of a schema. Multi tags can only be listed as explicit.'); + } + }); + + explicit.forEach(function (type$1) { + if (!(type$1 instanceof type)) { + throw new exception('Specified list of YAML types (or a single Type object) contains a non-Type object.'); + } + }); + + var result = Object.create(Schema$1.prototype); + + result.implicit = (this.implicit || []).concat(implicit); + result.explicit = (this.explicit || []).concat(explicit); + + result.compiledImplicit = compileList(result, 'implicit'); + result.compiledExplicit = compileList(result, 'explicit'); + result.compiledTypeMap = compileMap(result.compiledImplicit, result.compiledExplicit); + + return result; +}; + + +var schema = Schema$1; + +var str = new type('tag:yaml.org,2002:str', { + kind: 'scalar', + construct: function (data) { return data !== null ? data : ''; } +}); + +var seq = new type('tag:yaml.org,2002:seq', { + kind: 'sequence', + construct: function (data) { return data !== null ? data : []; } +}); + +var map = new type('tag:yaml.org,2002:map', { + kind: 'mapping', + construct: function (data) { return data !== null ? data : {}; } +}); + +var failsafe = new schema({ + explicit: [ + str, + seq, + map + ] +}); + +function resolveYamlNull(data) { + if (data === null) return true; + + var max = data.length; + + return (max === 1 && data === '~') || + (max === 4 && (data === 'null' || data === 'Null' || data === 'NULL')); +} + +function constructYamlNull() { + return null; +} + +function isNull(object) { + return object === null; +} + +var _null = new type('tag:yaml.org,2002:null', { + kind: 'scalar', + resolve: resolveYamlNull, + construct: constructYamlNull, + predicate: isNull, + represent: { + canonical: function () { return '~'; }, + lowercase: function () { return 'null'; }, + uppercase: function () { return 'NULL'; }, + camelcase: function () { return 'Null'; }, + empty: function () { return ''; } + }, + defaultStyle: 'lowercase' +}); + +function resolveYamlBoolean(data) { + if (data === null) return false; + + var max = data.length; + + return (max === 4 && (data === 'true' || data === 'True' || data === 'TRUE')) || + (max === 5 && (data === 'false' || data === 'False' || data === 'FALSE')); +} + +function constructYamlBoolean(data) { + return data === 'true' || + data === 'True' || + data === 'TRUE'; +} + +function isBoolean(object) { + return Object.prototype.toString.call(object) === '[object Boolean]'; +} + +var bool = new type('tag:yaml.org,2002:bool', { + kind: 'scalar', + resolve: resolveYamlBoolean, + construct: constructYamlBoolean, + predicate: isBoolean, + represent: { + lowercase: function (object) { return object ? 'true' : 'false'; }, + uppercase: function (object) { return object ? 'TRUE' : 'FALSE'; }, + camelcase: function (object) { return object ? 'True' : 'False'; } + }, + defaultStyle: 'lowercase' +}); + +function isHexCode(c) { + return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) || + ((0x41/* A */ <= c) && (c <= 0x46/* F */)) || + ((0x61/* a */ <= c) && (c <= 0x66/* f */)); +} + +function isOctCode(c) { + return ((0x30/* 0 */ <= c) && (c <= 0x37/* 7 */)); +} + +function isDecCode(c) { + return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)); +} + +function resolveYamlInteger(data) { + if (data === null) return false; + + var max = data.length, + index = 0, + hasDigits = false, + ch; + + if (!max) return false; + + ch = data[index]; + + // sign + if (ch === '-' || ch === '+') { + ch = data[++index]; + } + + if (ch === '0') { + // 0 + if (index + 1 === max) return true; + ch = data[++index]; + + // base 2, base 8, base 16 + + if (ch === 'b') { + // base 2 + index++; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (ch !== '0' && ch !== '1') return false; + hasDigits = true; + } + return hasDigits && ch !== '_'; + } + + + if (ch === 'x') { + // base 16 + index++; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (!isHexCode(data.charCodeAt(index))) return false; + hasDigits = true; + } + return hasDigits && ch !== '_'; + } + + + if (ch === 'o') { + // base 8 + index++; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (!isOctCode(data.charCodeAt(index))) return false; + hasDigits = true; + } + return hasDigits && ch !== '_'; + } + } + + // base 10 (except 0) + + // value should not start with `_`; + if (ch === '_') return false; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (!isDecCode(data.charCodeAt(index))) { + return false; + } + hasDigits = true; + } + + // Should have digits and should not end with `_` + if (!hasDigits || ch === '_') return false; + + return true; +} + +function constructYamlInteger(data) { + var value = data, sign = 1, ch; + + if (value.indexOf('_') !== -1) { + value = value.replace(/_/g, ''); + } + + ch = value[0]; + + if (ch === '-' || ch === '+') { + if (ch === '-') sign = -1; + value = value.slice(1); + ch = value[0]; + } + + if (value === '0') return 0; + + if (ch === '0') { + if (value[1] === 'b') return sign * parseInt(value.slice(2), 2); + if (value[1] === 'x') return sign * parseInt(value.slice(2), 16); + if (value[1] === 'o') return sign * parseInt(value.slice(2), 8); + } + + return sign * parseInt(value, 10); +} + +function isInteger(object) { + return (Object.prototype.toString.call(object)) === '[object Number]' && + (object % 1 === 0 && !common.isNegativeZero(object)); +} + +var int = new type('tag:yaml.org,2002:int', { + kind: 'scalar', + resolve: resolveYamlInteger, + construct: constructYamlInteger, + predicate: isInteger, + represent: { + binary: function (obj) { return obj >= 0 ? '0b' + obj.toString(2) : '-0b' + obj.toString(2).slice(1); }, + octal: function (obj) { return obj >= 0 ? '0o' + obj.toString(8) : '-0o' + obj.toString(8).slice(1); }, + decimal: function (obj) { return obj.toString(10); }, + /* eslint-disable max-len */ + hexadecimal: function (obj) { return obj >= 0 ? '0x' + obj.toString(16).toUpperCase() : '-0x' + obj.toString(16).toUpperCase().slice(1); } + }, + defaultStyle: 'decimal', + styleAliases: { + binary: [ 2, 'bin' ], + octal: [ 8, 'oct' ], + decimal: [ 10, 'dec' ], + hexadecimal: [ 16, 'hex' ] + } +}); + +var YAML_FLOAT_PATTERN = new RegExp( + // 2.5e4, 2.5 and integers + '^(?:[-+]?(?:[0-9][0-9_]*)(?:\\.[0-9_]*)?(?:[eE][-+]?[0-9]+)?' + + // .2e4, .2 + // special case, seems not from spec + '|\\.[0-9_]+(?:[eE][-+]?[0-9]+)?' + + // .inf + '|[-+]?\\.(?:inf|Inf|INF)' + + // .nan + '|\\.(?:nan|NaN|NAN))$'); + +function resolveYamlFloat(data) { + if (data === null) return false; + + if (!YAML_FLOAT_PATTERN.test(data) || + // Quick hack to not allow integers end with `_` + // Probably should update regexp & check speed + data[data.length - 1] === '_') { + return false; + } + + return true; +} + +function constructYamlFloat(data) { + var value, sign; + + value = data.replace(/_/g, '').toLowerCase(); + sign = value[0] === '-' ? -1 : 1; + + if ('+-'.indexOf(value[0]) >= 0) { + value = value.slice(1); + } + + if (value === '.inf') { + return (sign === 1) ? Number.POSITIVE_INFINITY : Number.NEGATIVE_INFINITY; + + } else if (value === '.nan') { + return NaN; + } + return sign * parseFloat(value, 10); +} + + +var SCIENTIFIC_WITHOUT_DOT = /^[-+]?[0-9]+e/; + +function representYamlFloat(object, style) { + var res; + + if (isNaN(object)) { + switch (style) { + case 'lowercase': return '.nan'; + case 'uppercase': return '.NAN'; + case 'camelcase': return '.NaN'; + } + } else if (Number.POSITIVE_INFINITY === object) { + switch (style) { + case 'lowercase': return '.inf'; + case 'uppercase': return '.INF'; + case 'camelcase': return '.Inf'; + } + } else if (Number.NEGATIVE_INFINITY === object) { + switch (style) { + case 'lowercase': return '-.inf'; + case 'uppercase': return '-.INF'; + case 'camelcase': return '-.Inf'; + } + } else if (common.isNegativeZero(object)) { + return '-0.0'; + } + + res = object.toString(10); + + // JS stringifier can build scientific format without dots: 5e-100, + // while YAML requres dot: 5.e-100. Fix it with simple hack + + return SCIENTIFIC_WITHOUT_DOT.test(res) ? res.replace('e', '.e') : res; +} + +function isFloat(object) { + return (Object.prototype.toString.call(object) === '[object Number]') && + (object % 1 !== 0 || common.isNegativeZero(object)); +} + +var float = new type('tag:yaml.org,2002:float', { + kind: 'scalar', + resolve: resolveYamlFloat, + construct: constructYamlFloat, + predicate: isFloat, + represent: representYamlFloat, + defaultStyle: 'lowercase' +}); + +var json = failsafe.extend({ + implicit: [ + _null, + bool, + int, + float + ] +}); + +var core = json; + +var YAML_DATE_REGEXP = new RegExp( + '^([0-9][0-9][0-9][0-9])' + // [1] year + '-([0-9][0-9])' + // [2] month + '-([0-9][0-9])$'); // [3] day + +var YAML_TIMESTAMP_REGEXP = new RegExp( + '^([0-9][0-9][0-9][0-9])' + // [1] year + '-([0-9][0-9]?)' + // [2] month + '-([0-9][0-9]?)' + // [3] day + '(?:[Tt]|[ \\t]+)' + // ... + '([0-9][0-9]?)' + // [4] hour + ':([0-9][0-9])' + // [5] minute + ':([0-9][0-9])' + // [6] second + '(?:\\.([0-9]*))?' + // [7] fraction + '(?:[ \\t]*(Z|([-+])([0-9][0-9]?)' + // [8] tz [9] tz_sign [10] tz_hour + '(?::([0-9][0-9]))?))?$'); // [11] tz_minute + +function resolveYamlTimestamp(data) { + if (data === null) return false; + if (YAML_DATE_REGEXP.exec(data) !== null) return true; + if (YAML_TIMESTAMP_REGEXP.exec(data) !== null) return true; + return false; +} + +function constructYamlTimestamp(data) { + var match, year, month, day, hour, minute, second, fraction = 0, + delta = null, tz_hour, tz_minute, date; + + match = YAML_DATE_REGEXP.exec(data); + if (match === null) match = YAML_TIMESTAMP_REGEXP.exec(data); + + if (match === null) throw new Error('Date resolve error'); + + // match: [1] year [2] month [3] day + + year = +(match[1]); + month = +(match[2]) - 1; // JS month starts with 0 + day = +(match[3]); + + if (!match[4]) { // no hour + return new Date(Date.UTC(year, month, day)); + } + + // match: [4] hour [5] minute [6] second [7] fraction + + hour = +(match[4]); + minute = +(match[5]); + second = +(match[6]); + + if (match[7]) { + fraction = match[7].slice(0, 3); + while (fraction.length < 3) { // milli-seconds + fraction += '0'; + } + fraction = +fraction; + } + + // match: [8] tz [9] tz_sign [10] tz_hour [11] tz_minute + + if (match[9]) { + tz_hour = +(match[10]); + tz_minute = +(match[11] || 0); + delta = (tz_hour * 60 + tz_minute) * 60000; // delta in mili-seconds + if (match[9] === '-') delta = -delta; + } + + date = new Date(Date.UTC(year, month, day, hour, minute, second, fraction)); + + if (delta) date.setTime(date.getTime() - delta); + + return date; +} + +function representYamlTimestamp(object /*, style*/) { + return object.toISOString(); +} + +var timestamp = new type('tag:yaml.org,2002:timestamp', { + kind: 'scalar', + resolve: resolveYamlTimestamp, + construct: constructYamlTimestamp, + instanceOf: Date, + represent: representYamlTimestamp +}); + +function resolveYamlMerge(data) { + return data === '<<' || data === null; +} + +var merge = new type('tag:yaml.org,2002:merge', { + kind: 'scalar', + resolve: resolveYamlMerge +}); + +/*eslint-disable no-bitwise*/ + + + + + +// [ 64, 65, 66 ] -> [ padding, CR, LF ] +var BASE64_MAP = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\n\r'; + + +function resolveYamlBinary(data) { + if (data === null) return false; + + var code, idx, bitlen = 0, max = data.length, map = BASE64_MAP; + + // Convert one by one. + for (idx = 0; idx < max; idx++) { + code = map.indexOf(data.charAt(idx)); + + // Skip CR/LF + if (code > 64) continue; + + // Fail on illegal characters + if (code < 0) return false; + + bitlen += 6; + } + + // If there are any bits left, source was corrupted + return (bitlen % 8) === 0; +} + +function constructYamlBinary(data) { + var idx, tailbits, + input = data.replace(/[\r\n=]/g, ''), // remove CR/LF & padding to simplify scan + max = input.length, + map = BASE64_MAP, + bits = 0, + result = []; + + // Collect by 6*4 bits (3 bytes) + + for (idx = 0; idx < max; idx++) { + if ((idx % 4 === 0) && idx) { + result.push((bits >> 16) & 0xFF); + result.push((bits >> 8) & 0xFF); + result.push(bits & 0xFF); + } + + bits = (bits << 6) | map.indexOf(input.charAt(idx)); + } + + // Dump tail + + tailbits = (max % 4) * 6; + + if (tailbits === 0) { + result.push((bits >> 16) & 0xFF); + result.push((bits >> 8) & 0xFF); + result.push(bits & 0xFF); + } else if (tailbits === 18) { + result.push((bits >> 10) & 0xFF); + result.push((bits >> 2) & 0xFF); + } else if (tailbits === 12) { + result.push((bits >> 4) & 0xFF); + } + + return new Uint8Array(result); +} + +function representYamlBinary(object /*, style*/) { + var result = '', bits = 0, idx, tail, + max = object.length, + map = BASE64_MAP; + + // Convert every three bytes to 4 ASCII characters. + + for (idx = 0; idx < max; idx++) { + if ((idx % 3 === 0) && idx) { + result += map[(bits >> 18) & 0x3F]; + result += map[(bits >> 12) & 0x3F]; + result += map[(bits >> 6) & 0x3F]; + result += map[bits & 0x3F]; + } + + bits = (bits << 8) + object[idx]; + } + + // Dump tail + + tail = max % 3; + + if (tail === 0) { + result += map[(bits >> 18) & 0x3F]; + result += map[(bits >> 12) & 0x3F]; + result += map[(bits >> 6) & 0x3F]; + result += map[bits & 0x3F]; + } else if (tail === 2) { + result += map[(bits >> 10) & 0x3F]; + result += map[(bits >> 4) & 0x3F]; + result += map[(bits << 2) & 0x3F]; + result += map[64]; + } else if (tail === 1) { + result += map[(bits >> 2) & 0x3F]; + result += map[(bits << 4) & 0x3F]; + result += map[64]; + result += map[64]; + } + + return result; +} + +function isBinary(obj) { + return Object.prototype.toString.call(obj) === '[object Uint8Array]'; +} + +var binary = new type('tag:yaml.org,2002:binary', { + kind: 'scalar', + resolve: resolveYamlBinary, + construct: constructYamlBinary, + predicate: isBinary, + represent: representYamlBinary +}); + +var _hasOwnProperty$3 = Object.prototype.hasOwnProperty; +var _toString$2 = Object.prototype.toString; + +function resolveYamlOmap(data) { + if (data === null) return true; + + var objectKeys = [], index, length, pair, pairKey, pairHasKey, + object = data; + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + pairHasKey = false; + + if (_toString$2.call(pair) !== '[object Object]') return false; + + for (pairKey in pair) { + if (_hasOwnProperty$3.call(pair, pairKey)) { + if (!pairHasKey) pairHasKey = true; + else return false; + } + } + + if (!pairHasKey) return false; + + if (objectKeys.indexOf(pairKey) === -1) objectKeys.push(pairKey); + else return false; + } + + return true; +} + +function constructYamlOmap(data) { + return data !== null ? data : []; +} + +var omap = new type('tag:yaml.org,2002:omap', { + kind: 'sequence', + resolve: resolveYamlOmap, + construct: constructYamlOmap +}); + +var _toString$1 = Object.prototype.toString; + +function resolveYamlPairs(data) { + if (data === null) return true; + + var index, length, pair, keys, result, + object = data; + + result = new Array(object.length); + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + + if (_toString$1.call(pair) !== '[object Object]') return false; + + keys = Object.keys(pair); + + if (keys.length !== 1) return false; + + result[index] = [ keys[0], pair[keys[0]] ]; + } + + return true; +} + +function constructYamlPairs(data) { + if (data === null) return []; + + var index, length, pair, keys, result, + object = data; + + result = new Array(object.length); + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + + keys = Object.keys(pair); + + result[index] = [ keys[0], pair[keys[0]] ]; + } + + return result; +} + +var pairs = new type('tag:yaml.org,2002:pairs', { + kind: 'sequence', + resolve: resolveYamlPairs, + construct: constructYamlPairs +}); + +var _hasOwnProperty$2 = Object.prototype.hasOwnProperty; + +function resolveYamlSet(data) { + if (data === null) return true; + + var key, object = data; + + for (key in object) { + if (_hasOwnProperty$2.call(object, key)) { + if (object[key] !== null) return false; + } + } + + return true; +} + +function constructYamlSet(data) { + return data !== null ? data : {}; +} + +var set = new type('tag:yaml.org,2002:set', { + kind: 'mapping', + resolve: resolveYamlSet, + construct: constructYamlSet +}); + +var _default = core.extend({ + implicit: [ + timestamp, + merge + ], + explicit: [ + binary, + omap, + pairs, + set + ] +}); + +/*eslint-disable max-len,no-use-before-define*/ + + + + + + + +var _hasOwnProperty$1 = Object.prototype.hasOwnProperty; + + +var CONTEXT_FLOW_IN = 1; +var CONTEXT_FLOW_OUT = 2; +var CONTEXT_BLOCK_IN = 3; +var CONTEXT_BLOCK_OUT = 4; + + +var CHOMPING_CLIP = 1; +var CHOMPING_STRIP = 2; +var CHOMPING_KEEP = 3; + + +var PATTERN_NON_PRINTABLE = /[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x84\x86-\x9F\uFFFE\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/; +var PATTERN_NON_ASCII_LINE_BREAKS = /[\x85\u2028\u2029]/; +var PATTERN_FLOW_INDICATORS = /[,\[\]\{\}]/; +var PATTERN_TAG_HANDLE = /^(?:!|!!|![a-z\-]+!)$/i; +var PATTERN_TAG_URI = /^(?:!|[^,\[\]\{\}])(?:%[0-9a-f]{2}|[0-9a-z\-#;\/\?:@&=\+\$,_\.!~\*'\(\)\[\]])*$/i; + + +function _class(obj) { return Object.prototype.toString.call(obj); } + +function is_EOL(c) { + return (c === 0x0A/* LF */) || (c === 0x0D/* CR */); +} + +function is_WHITE_SPACE(c) { + return (c === 0x09/* Tab */) || (c === 0x20/* Space */); +} + +function is_WS_OR_EOL(c) { + return (c === 0x09/* Tab */) || + (c === 0x20/* Space */) || + (c === 0x0A/* LF */) || + (c === 0x0D/* CR */); +} + +function is_FLOW_INDICATOR(c) { + return c === 0x2C/* , */ || + c === 0x5B/* [ */ || + c === 0x5D/* ] */ || + c === 0x7B/* { */ || + c === 0x7D/* } */; +} + +function fromHexCode(c) { + var lc; + + if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) { + return c - 0x30; + } + + /*eslint-disable no-bitwise*/ + lc = c | 0x20; + + if ((0x61/* a */ <= lc) && (lc <= 0x66/* f */)) { + return lc - 0x61 + 10; + } + + return -1; +} + +function escapedHexLen(c) { + if (c === 0x78/* x */) { return 2; } + if (c === 0x75/* u */) { return 4; } + if (c === 0x55/* U */) { return 8; } + return 0; +} + +function fromDecimalCode(c) { + if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) { + return c - 0x30; + } + + return -1; +} + +function simpleEscapeSequence(c) { + /* eslint-disable indent */ + return (c === 0x30/* 0 */) ? '\x00' : + (c === 0x61/* a */) ? '\x07' : + (c === 0x62/* b */) ? '\x08' : + (c === 0x74/* t */) ? '\x09' : + (c === 0x09/* Tab */) ? '\x09' : + (c === 0x6E/* n */) ? '\x0A' : + (c === 0x76/* v */) ? '\x0B' : + (c === 0x66/* f */) ? '\x0C' : + (c === 0x72/* r */) ? '\x0D' : + (c === 0x65/* e */) ? '\x1B' : + (c === 0x20/* Space */) ? ' ' : + (c === 0x22/* " */) ? '\x22' : + (c === 0x2F/* / */) ? '/' : + (c === 0x5C/* \ */) ? '\x5C' : + (c === 0x4E/* N */) ? '\x85' : + (c === 0x5F/* _ */) ? '\xA0' : + (c === 0x4C/* L */) ? '\u2028' : + (c === 0x50/* P */) ? '\u2029' : ''; +} + +function charFromCodepoint(c) { + if (c <= 0xFFFF) { + return String.fromCharCode(c); + } + // Encode UTF-16 surrogate pair + // https://en.wikipedia.org/wiki/UTF-16#Code_points_U.2B010000_to_U.2B10FFFF + return String.fromCharCode( + ((c - 0x010000) >> 10) + 0xD800, + ((c - 0x010000) & 0x03FF) + 0xDC00 + ); +} + +var simpleEscapeCheck = new Array(256); // integer, for fast access +var simpleEscapeMap = new Array(256); +for (var i = 0; i < 256; i++) { + simpleEscapeCheck[i] = simpleEscapeSequence(i) ? 1 : 0; + simpleEscapeMap[i] = simpleEscapeSequence(i); +} + + +function State$1(input, options) { + this.input = input; + + this.filename = options['filename'] || null; + this.schema = options['schema'] || _default; + this.onWarning = options['onWarning'] || null; + // (Hidden) Remove? makes the loader to expect YAML 1.1 documents + // if such documents have no explicit %YAML directive + this.legacy = options['legacy'] || false; + + this.json = options['json'] || false; + this.listener = options['listener'] || null; + + this.implicitTypes = this.schema.compiledImplicit; + this.typeMap = this.schema.compiledTypeMap; + + this.length = input.length; + this.position = 0; + this.line = 0; + this.lineStart = 0; + this.lineIndent = 0; + + // position of first leading tab in the current line, + // used to make sure there are no tabs in the indentation + this.firstTabInLine = -1; + + this.documents = []; + + /* + this.version; + this.checkLineBreaks; + this.tagMap; + this.anchorMap; + this.tag; + this.anchor; + this.kind; + this.result;*/ + +} + + +function generateError(state, message) { + var mark = { + name: state.filename, + buffer: state.input.slice(0, -1), // omit trailing \0 + position: state.position, + line: state.line, + column: state.position - state.lineStart + }; + + mark.snippet = snippet(mark); + + return new exception(message, mark); +} + +function throwError(state, message) { + throw generateError(state, message); +} + +function throwWarning(state, message) { + if (state.onWarning) { + state.onWarning.call(null, generateError(state, message)); + } +} + + +var directiveHandlers = { + + YAML: function handleYamlDirective(state, name, args) { + + var match, major, minor; + + if (state.version !== null) { + throwError(state, 'duplication of %YAML directive'); + } + + if (args.length !== 1) { + throwError(state, 'YAML directive accepts exactly one argument'); + } + + match = /^([0-9]+)\.([0-9]+)$/.exec(args[0]); + + if (match === null) { + throwError(state, 'ill-formed argument of the YAML directive'); + } + + major = parseInt(match[1], 10); + minor = parseInt(match[2], 10); + + if (major !== 1) { + throwError(state, 'unacceptable YAML version of the document'); + } + + state.version = args[0]; + state.checkLineBreaks = (minor < 2); + + if (minor !== 1 && minor !== 2) { + throwWarning(state, 'unsupported YAML version of the document'); + } + }, + + TAG: function handleTagDirective(state, name, args) { + + var handle, prefix; + + if (args.length !== 2) { + throwError(state, 'TAG directive accepts exactly two arguments'); + } + + handle = args[0]; + prefix = args[1]; + + if (!PATTERN_TAG_HANDLE.test(handle)) { + throwError(state, 'ill-formed tag handle (first argument) of the TAG directive'); + } + + if (_hasOwnProperty$1.call(state.tagMap, handle)) { + throwError(state, 'there is a previously declared suffix for "' + handle + '" tag handle'); + } + + if (!PATTERN_TAG_URI.test(prefix)) { + throwError(state, 'ill-formed tag prefix (second argument) of the TAG directive'); + } + + try { + prefix = decodeURIComponent(prefix); + } catch (err) { + throwError(state, 'tag prefix is malformed: ' + prefix); + } + + state.tagMap[handle] = prefix; + } +}; + + +function captureSegment(state, start, end, checkJson) { + var _position, _length, _character, _result; + + if (start < end) { + _result = state.input.slice(start, end); + + if (checkJson) { + for (_position = 0, _length = _result.length; _position < _length; _position += 1) { + _character = _result.charCodeAt(_position); + if (!(_character === 0x09 || + (0x20 <= _character && _character <= 0x10FFFF))) { + throwError(state, 'expected valid JSON character'); + } + } + } else if (PATTERN_NON_PRINTABLE.test(_result)) { + throwError(state, 'the stream contains non-printable characters'); + } + + state.result += _result; + } +} + +function mergeMappings(state, destination, source, overridableKeys) { + var sourceKeys, key, index, quantity; + + if (!common.isObject(source)) { + throwError(state, 'cannot merge mappings; the provided source object is unacceptable'); + } + + sourceKeys = Object.keys(source); + + for (index = 0, quantity = sourceKeys.length; index < quantity; index += 1) { + key = sourceKeys[index]; + + if (!_hasOwnProperty$1.call(destination, key)) { + destination[key] = source[key]; + overridableKeys[key] = true; + } + } +} + +function storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, + startLine, startLineStart, startPos) { + + var index, quantity; + + // The output is a plain object here, so keys can only be strings. + // We need to convert keyNode to a string, but doing so can hang the process + // (deeply nested arrays that explode exponentially using aliases). + if (Array.isArray(keyNode)) { + keyNode = Array.prototype.slice.call(keyNode); + + for (index = 0, quantity = keyNode.length; index < quantity; index += 1) { + if (Array.isArray(keyNode[index])) { + throwError(state, 'nested arrays are not supported inside keys'); + } + + if (typeof keyNode === 'object' && _class(keyNode[index]) === '[object Object]') { + keyNode[index] = '[object Object]'; + } + } + } + + // Avoid code execution in load() via toString property + // (still use its own toString for arrays, timestamps, + // and whatever user schema extensions happen to have @@toStringTag) + if (typeof keyNode === 'object' && _class(keyNode) === '[object Object]') { + keyNode = '[object Object]'; + } + + + keyNode = String(keyNode); + + if (_result === null) { + _result = {}; + } + + if (keyTag === 'tag:yaml.org,2002:merge') { + if (Array.isArray(valueNode)) { + for (index = 0, quantity = valueNode.length; index < quantity; index += 1) { + mergeMappings(state, _result, valueNode[index], overridableKeys); + } + } else { + mergeMappings(state, _result, valueNode, overridableKeys); + } + } else { + if (!state.json && + !_hasOwnProperty$1.call(overridableKeys, keyNode) && + _hasOwnProperty$1.call(_result, keyNode)) { + state.line = startLine || state.line; + state.lineStart = startLineStart || state.lineStart; + state.position = startPos || state.position; + throwError(state, 'duplicated mapping key'); + } + + // used for this specific key only because Object.defineProperty is slow + if (keyNode === '__proto__') { + Object.defineProperty(_result, keyNode, { + configurable: true, + enumerable: true, + writable: true, + value: valueNode + }); + } else { + _result[keyNode] = valueNode; + } + delete overridableKeys[keyNode]; + } + + return _result; +} + +function readLineBreak(state) { + var ch; + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x0A/* LF */) { + state.position++; + } else if (ch === 0x0D/* CR */) { + state.position++; + if (state.input.charCodeAt(state.position) === 0x0A/* LF */) { + state.position++; + } + } else { + throwError(state, 'a line break is expected'); + } + + state.line += 1; + state.lineStart = state.position; + state.firstTabInLine = -1; +} + +function skipSeparationSpace(state, allowComments, checkIndent) { + var lineBreaks = 0, + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + while (is_WHITE_SPACE(ch)) { + if (ch === 0x09/* Tab */ && state.firstTabInLine === -1) { + state.firstTabInLine = state.position; + } + ch = state.input.charCodeAt(++state.position); + } + + if (allowComments && ch === 0x23/* # */) { + do { + ch = state.input.charCodeAt(++state.position); + } while (ch !== 0x0A/* LF */ && ch !== 0x0D/* CR */ && ch !== 0); + } + + if (is_EOL(ch)) { + readLineBreak(state); + + ch = state.input.charCodeAt(state.position); + lineBreaks++; + state.lineIndent = 0; + + while (ch === 0x20/* Space */) { + state.lineIndent++; + ch = state.input.charCodeAt(++state.position); + } + } else { + break; + } + } + + if (checkIndent !== -1 && lineBreaks !== 0 && state.lineIndent < checkIndent) { + throwWarning(state, 'deficient indentation'); + } + + return lineBreaks; +} + +function testDocumentSeparator(state) { + var _position = state.position, + ch; + + ch = state.input.charCodeAt(_position); + + // Condition state.position === state.lineStart is tested + // in parent on each call, for efficiency. No needs to test here again. + if ((ch === 0x2D/* - */ || ch === 0x2E/* . */) && + ch === state.input.charCodeAt(_position + 1) && + ch === state.input.charCodeAt(_position + 2)) { + + _position += 3; + + ch = state.input.charCodeAt(_position); + + if (ch === 0 || is_WS_OR_EOL(ch)) { + return true; + } + } + + return false; +} + +function writeFoldedLines(state, count) { + if (count === 1) { + state.result += ' '; + } else if (count > 1) { + state.result += common.repeat('\n', count - 1); + } +} + + +function readPlainScalar(state, nodeIndent, withinFlowCollection) { + var preceding, + following, + captureStart, + captureEnd, + hasPendingContent, + _line, + _lineStart, + _lineIndent, + _kind = state.kind, + _result = state.result, + ch; + + ch = state.input.charCodeAt(state.position); + + if (is_WS_OR_EOL(ch) || + is_FLOW_INDICATOR(ch) || + ch === 0x23/* # */ || + ch === 0x26/* & */ || + ch === 0x2A/* * */ || + ch === 0x21/* ! */ || + ch === 0x7C/* | */ || + ch === 0x3E/* > */ || + ch === 0x27/* ' */ || + ch === 0x22/* " */ || + ch === 0x25/* % */ || + ch === 0x40/* @ */ || + ch === 0x60/* ` */) { + return false; + } + + if (ch === 0x3F/* ? */ || ch === 0x2D/* - */) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following) || + withinFlowCollection && is_FLOW_INDICATOR(following)) { + return false; + } + } + + state.kind = 'scalar'; + state.result = ''; + captureStart = captureEnd = state.position; + hasPendingContent = false; + + while (ch !== 0) { + if (ch === 0x3A/* : */) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following) || + withinFlowCollection && is_FLOW_INDICATOR(following)) { + break; + } + + } else if (ch === 0x23/* # */) { + preceding = state.input.charCodeAt(state.position - 1); + + if (is_WS_OR_EOL(preceding)) { + break; + } + + } else if ((state.position === state.lineStart && testDocumentSeparator(state)) || + withinFlowCollection && is_FLOW_INDICATOR(ch)) { + break; + + } else if (is_EOL(ch)) { + _line = state.line; + _lineStart = state.lineStart; + _lineIndent = state.lineIndent; + skipSeparationSpace(state, false, -1); + + if (state.lineIndent >= nodeIndent) { + hasPendingContent = true; + ch = state.input.charCodeAt(state.position); + continue; + } else { + state.position = captureEnd; + state.line = _line; + state.lineStart = _lineStart; + state.lineIndent = _lineIndent; + break; + } + } + + if (hasPendingContent) { + captureSegment(state, captureStart, captureEnd, false); + writeFoldedLines(state, state.line - _line); + captureStart = captureEnd = state.position; + hasPendingContent = false; + } + + if (!is_WHITE_SPACE(ch)) { + captureEnd = state.position + 1; + } + + ch = state.input.charCodeAt(++state.position); + } + + captureSegment(state, captureStart, captureEnd, false); + + if (state.result) { + return true; + } + + state.kind = _kind; + state.result = _result; + return false; +} + +function readSingleQuotedScalar(state, nodeIndent) { + var ch, + captureStart, captureEnd; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x27/* ' */) { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + state.position++; + captureStart = captureEnd = state.position; + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + if (ch === 0x27/* ' */) { + captureSegment(state, captureStart, state.position, true); + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x27/* ' */) { + captureStart = state.position; + state.position++; + captureEnd = state.position; + } else { + return true; + } + + } else if (is_EOL(ch)) { + captureSegment(state, captureStart, captureEnd, true); + writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent)); + captureStart = captureEnd = state.position; + + } else if (state.position === state.lineStart && testDocumentSeparator(state)) { + throwError(state, 'unexpected end of the document within a single quoted scalar'); + + } else { + state.position++; + captureEnd = state.position; + } + } + + throwError(state, 'unexpected end of the stream within a single quoted scalar'); +} + +function readDoubleQuotedScalar(state, nodeIndent) { + var captureStart, + captureEnd, + hexLength, + hexResult, + tmp, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x22/* " */) { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + state.position++; + captureStart = captureEnd = state.position; + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + if (ch === 0x22/* " */) { + captureSegment(state, captureStart, state.position, true); + state.position++; + return true; + + } else if (ch === 0x5C/* \ */) { + captureSegment(state, captureStart, state.position, true); + ch = state.input.charCodeAt(++state.position); + + if (is_EOL(ch)) { + skipSeparationSpace(state, false, nodeIndent); + + // TODO: rework to inline fn with no type cast? + } else if (ch < 256 && simpleEscapeCheck[ch]) { + state.result += simpleEscapeMap[ch]; + state.position++; + + } else if ((tmp = escapedHexLen(ch)) > 0) { + hexLength = tmp; + hexResult = 0; + + for (; hexLength > 0; hexLength--) { + ch = state.input.charCodeAt(++state.position); + + if ((tmp = fromHexCode(ch)) >= 0) { + hexResult = (hexResult << 4) + tmp; + + } else { + throwError(state, 'expected hexadecimal character'); + } + } + + state.result += charFromCodepoint(hexResult); + + state.position++; + + } else { + throwError(state, 'unknown escape sequence'); + } + + captureStart = captureEnd = state.position; + + } else if (is_EOL(ch)) { + captureSegment(state, captureStart, captureEnd, true); + writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent)); + captureStart = captureEnd = state.position; + + } else if (state.position === state.lineStart && testDocumentSeparator(state)) { + throwError(state, 'unexpected end of the document within a double quoted scalar'); + + } else { + state.position++; + captureEnd = state.position; + } + } + + throwError(state, 'unexpected end of the stream within a double quoted scalar'); +} + +function readFlowCollection(state, nodeIndent) { + var readNext = true, + _line, + _lineStart, + _pos, + _tag = state.tag, + _result, + _anchor = state.anchor, + following, + terminator, + isPair, + isExplicitPair, + isMapping, + overridableKeys = Object.create(null), + keyNode, + keyTag, + valueNode, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x5B/* [ */) { + terminator = 0x5D;/* ] */ + isMapping = false; + _result = []; + } else if (ch === 0x7B/* { */) { + terminator = 0x7D;/* } */ + isMapping = true; + _result = {}; + } else { + return false; + } + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(++state.position); + + while (ch !== 0) { + skipSeparationSpace(state, true, nodeIndent); + + ch = state.input.charCodeAt(state.position); + + if (ch === terminator) { + state.position++; + state.tag = _tag; + state.anchor = _anchor; + state.kind = isMapping ? 'mapping' : 'sequence'; + state.result = _result; + return true; + } else if (!readNext) { + throwError(state, 'missed comma between flow collection entries'); + } else if (ch === 0x2C/* , */) { + // "flow collection entries can never be completely empty", as per YAML 1.2, section 7.4 + throwError(state, "expected the node content, but found ','"); + } + + keyTag = keyNode = valueNode = null; + isPair = isExplicitPair = false; + + if (ch === 0x3F/* ? */) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following)) { + isPair = isExplicitPair = true; + state.position++; + skipSeparationSpace(state, true, nodeIndent); + } + } + + _line = state.line; // Save the current line. + _lineStart = state.lineStart; + _pos = state.position; + composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true); + keyTag = state.tag; + keyNode = state.result; + skipSeparationSpace(state, true, nodeIndent); + + ch = state.input.charCodeAt(state.position); + + if ((isExplicitPair || state.line === _line) && ch === 0x3A/* : */) { + isPair = true; + ch = state.input.charCodeAt(++state.position); + skipSeparationSpace(state, true, nodeIndent); + composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true); + valueNode = state.result; + } + + if (isMapping) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos); + } else if (isPair) { + _result.push(storeMappingPair(state, null, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos)); + } else { + _result.push(keyNode); + } + + skipSeparationSpace(state, true, nodeIndent); + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x2C/* , */) { + readNext = true; + ch = state.input.charCodeAt(++state.position); + } else { + readNext = false; + } + } + + throwError(state, 'unexpected end of the stream within a flow collection'); +} + +function readBlockScalar(state, nodeIndent) { + var captureStart, + folding, + chomping = CHOMPING_CLIP, + didReadContent = false, + detectedIndent = false, + textIndent = nodeIndent, + emptyLines = 0, + atMoreIndented = false, + tmp, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x7C/* | */) { + folding = false; + } else if (ch === 0x3E/* > */) { + folding = true; + } else { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + + while (ch !== 0) { + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x2B/* + */ || ch === 0x2D/* - */) { + if (CHOMPING_CLIP === chomping) { + chomping = (ch === 0x2B/* + */) ? CHOMPING_KEEP : CHOMPING_STRIP; + } else { + throwError(state, 'repeat of a chomping mode identifier'); + } + + } else if ((tmp = fromDecimalCode(ch)) >= 0) { + if (tmp === 0) { + throwError(state, 'bad explicit indentation width of a block scalar; it cannot be less than one'); + } else if (!detectedIndent) { + textIndent = nodeIndent + tmp - 1; + detectedIndent = true; + } else { + throwError(state, 'repeat of an indentation width identifier'); + } + + } else { + break; + } + } + + if (is_WHITE_SPACE(ch)) { + do { ch = state.input.charCodeAt(++state.position); } + while (is_WHITE_SPACE(ch)); + + if (ch === 0x23/* # */) { + do { ch = state.input.charCodeAt(++state.position); } + while (!is_EOL(ch) && (ch !== 0)); + } + } + + while (ch !== 0) { + readLineBreak(state); + state.lineIndent = 0; + + ch = state.input.charCodeAt(state.position); + + while ((!detectedIndent || state.lineIndent < textIndent) && + (ch === 0x20/* Space */)) { + state.lineIndent++; + ch = state.input.charCodeAt(++state.position); + } + + if (!detectedIndent && state.lineIndent > textIndent) { + textIndent = state.lineIndent; + } + + if (is_EOL(ch)) { + emptyLines++; + continue; + } + + // End of the scalar. + if (state.lineIndent < textIndent) { + + // Perform the chomping. + if (chomping === CHOMPING_KEEP) { + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); + } else if (chomping === CHOMPING_CLIP) { + if (didReadContent) { // i.e. only if the scalar is not empty. + state.result += '\n'; + } + } + + // Break this `while` cycle and go to the funciton's epilogue. + break; + } + + // Folded style: use fancy rules to handle line breaks. + if (folding) { + + // Lines starting with white space characters (more-indented lines) are not folded. + if (is_WHITE_SPACE(ch)) { + atMoreIndented = true; + // except for the first content line (cf. Example 8.1) + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); + + // End of more-indented block. + } else if (atMoreIndented) { + atMoreIndented = false; + state.result += common.repeat('\n', emptyLines + 1); + + // Just one line break - perceive as the same line. + } else if (emptyLines === 0) { + if (didReadContent) { // i.e. only if we have already read some scalar content. + state.result += ' '; + } + + // Several line breaks - perceive as different lines. + } else { + state.result += common.repeat('\n', emptyLines); + } + + // Literal style: just add exact number of line breaks between content lines. + } else { + // Keep all line breaks except the header line break. + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); + } + + didReadContent = true; + detectedIndent = true; + emptyLines = 0; + captureStart = state.position; + + while (!is_EOL(ch) && (ch !== 0)) { + ch = state.input.charCodeAt(++state.position); + } + + captureSegment(state, captureStart, state.position, false); + } + + return true; +} + +function readBlockSequence(state, nodeIndent) { + var _line, + _tag = state.tag, + _anchor = state.anchor, + _result = [], + following, + detected = false, + ch; + + // there is a leading tab before this token, so it can't be a block sequence/mapping; + // it can still be flow sequence/mapping or a scalar + if (state.firstTabInLine !== -1) return false; + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + if (state.firstTabInLine !== -1) { + state.position = state.firstTabInLine; + throwError(state, 'tab characters must not be used in indentation'); + } + + if (ch !== 0x2D/* - */) { + break; + } + + following = state.input.charCodeAt(state.position + 1); + + if (!is_WS_OR_EOL(following)) { + break; + } + + detected = true; + state.position++; + + if (skipSeparationSpace(state, true, -1)) { + if (state.lineIndent <= nodeIndent) { + _result.push(null); + ch = state.input.charCodeAt(state.position); + continue; + } + } + + _line = state.line; + composeNode(state, nodeIndent, CONTEXT_BLOCK_IN, false, true); + _result.push(state.result); + skipSeparationSpace(state, true, -1); + + ch = state.input.charCodeAt(state.position); + + if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) { + throwError(state, 'bad indentation of a sequence entry'); + } else if (state.lineIndent < nodeIndent) { + break; + } + } + + if (detected) { + state.tag = _tag; + state.anchor = _anchor; + state.kind = 'sequence'; + state.result = _result; + return true; + } + return false; +} + +function readBlockMapping(state, nodeIndent, flowIndent) { + var following, + allowCompact, + _line, + _keyLine, + _keyLineStart, + _keyPos, + _tag = state.tag, + _anchor = state.anchor, + _result = {}, + overridableKeys = Object.create(null), + keyTag = null, + keyNode = null, + valueNode = null, + atExplicitKey = false, + detected = false, + ch; + + // there is a leading tab before this token, so it can't be a block sequence/mapping; + // it can still be flow sequence/mapping or a scalar + if (state.firstTabInLine !== -1) return false; + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + if (!atExplicitKey && state.firstTabInLine !== -1) { + state.position = state.firstTabInLine; + throwError(state, 'tab characters must not be used in indentation'); + } + + following = state.input.charCodeAt(state.position + 1); + _line = state.line; // Save the current line. + + // + // Explicit notation case. There are two separate blocks: + // first for the key (denoted by "?") and second for the value (denoted by ":") + // + if ((ch === 0x3F/* ? */ || ch === 0x3A/* : */) && is_WS_OR_EOL(following)) { + + if (ch === 0x3F/* ? */) { + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos); + keyTag = keyNode = valueNode = null; + } + + detected = true; + atExplicitKey = true; + allowCompact = true; + + } else if (atExplicitKey) { + // i.e. 0x3A/* : */ === character after the explicit key. + atExplicitKey = false; + allowCompact = true; + + } else { + throwError(state, 'incomplete explicit mapping pair; a key node is missed; or followed by a non-tabulated empty line'); + } + + state.position += 1; + ch = following; + + // + // Implicit notation case. Flow-style node as the key first, then ":", and the value. + // + } else { + _keyLine = state.line; + _keyLineStart = state.lineStart; + _keyPos = state.position; + + if (!composeNode(state, flowIndent, CONTEXT_FLOW_OUT, false, true)) { + // Neither implicit nor explicit notation. + // Reading is done. Go to the epilogue. + break; + } + + if (state.line === _line) { + ch = state.input.charCodeAt(state.position); + + while (is_WHITE_SPACE(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (ch === 0x3A/* : */) { + ch = state.input.charCodeAt(++state.position); + + if (!is_WS_OR_EOL(ch)) { + throwError(state, 'a whitespace character is expected after the key-value separator within a block mapping'); + } + + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos); + keyTag = keyNode = valueNode = null; + } + + detected = true; + atExplicitKey = false; + allowCompact = false; + keyTag = state.tag; + keyNode = state.result; + + } else if (detected) { + throwError(state, 'can not read an implicit mapping pair; a colon is missed'); + + } else { + state.tag = _tag; + state.anchor = _anchor; + return true; // Keep the result of `composeNode`. + } + + } else if (detected) { + throwError(state, 'can not read a block mapping entry; a multiline key may not be an implicit key'); + + } else { + state.tag = _tag; + state.anchor = _anchor; + return true; // Keep the result of `composeNode`. + } + } + + // + // Common reading code for both explicit and implicit notations. + // + if (state.line === _line || state.lineIndent > nodeIndent) { + if (atExplicitKey) { + _keyLine = state.line; + _keyLineStart = state.lineStart; + _keyPos = state.position; + } + + if (composeNode(state, nodeIndent, CONTEXT_BLOCK_OUT, true, allowCompact)) { + if (atExplicitKey) { + keyNode = state.result; + } else { + valueNode = state.result; + } + } + + if (!atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _keyLine, _keyLineStart, _keyPos); + keyTag = keyNode = valueNode = null; + } + + skipSeparationSpace(state, true, -1); + ch = state.input.charCodeAt(state.position); + } + + if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) { + throwError(state, 'bad indentation of a mapping entry'); + } else if (state.lineIndent < nodeIndent) { + break; + } + } + + // + // Epilogue. + // + + // Special case: last mapping's node contains only the key in explicit notation. + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos); + } + + // Expose the resulting mapping. + if (detected) { + state.tag = _tag; + state.anchor = _anchor; + state.kind = 'mapping'; + state.result = _result; + } + + return detected; +} + +function readTagProperty(state) { + var _position, + isVerbatim = false, + isNamed = false, + tagHandle, + tagName, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x21/* ! */) return false; + + if (state.tag !== null) { + throwError(state, 'duplication of a tag property'); + } + + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x3C/* < */) { + isVerbatim = true; + ch = state.input.charCodeAt(++state.position); + + } else if (ch === 0x21/* ! */) { + isNamed = true; + tagHandle = '!!'; + ch = state.input.charCodeAt(++state.position); + + } else { + tagHandle = '!'; + } + + _position = state.position; + + if (isVerbatim) { + do { ch = state.input.charCodeAt(++state.position); } + while (ch !== 0 && ch !== 0x3E/* > */); + + if (state.position < state.length) { + tagName = state.input.slice(_position, state.position); + ch = state.input.charCodeAt(++state.position); + } else { + throwError(state, 'unexpected end of the stream within a verbatim tag'); + } + } else { + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + + if (ch === 0x21/* ! */) { + if (!isNamed) { + tagHandle = state.input.slice(_position - 1, state.position + 1); + + if (!PATTERN_TAG_HANDLE.test(tagHandle)) { + throwError(state, 'named tag handle cannot contain such characters'); + } + + isNamed = true; + _position = state.position + 1; + } else { + throwError(state, 'tag suffix cannot contain exclamation marks'); + } + } + + ch = state.input.charCodeAt(++state.position); + } + + tagName = state.input.slice(_position, state.position); + + if (PATTERN_FLOW_INDICATORS.test(tagName)) { + throwError(state, 'tag suffix cannot contain flow indicator characters'); + } + } + + if (tagName && !PATTERN_TAG_URI.test(tagName)) { + throwError(state, 'tag name cannot contain such characters: ' + tagName); + } + + try { + tagName = decodeURIComponent(tagName); + } catch (err) { + throwError(state, 'tag name is malformed: ' + tagName); + } + + if (isVerbatim) { + state.tag = tagName; + + } else if (_hasOwnProperty$1.call(state.tagMap, tagHandle)) { + state.tag = state.tagMap[tagHandle] + tagName; + + } else if (tagHandle === '!') { + state.tag = '!' + tagName; + + } else if (tagHandle === '!!') { + state.tag = 'tag:yaml.org,2002:' + tagName; + + } else { + throwError(state, 'undeclared tag handle "' + tagHandle + '"'); + } + + return true; +} + +function readAnchorProperty(state) { + var _position, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x26/* & */) return false; + + if (state.anchor !== null) { + throwError(state, 'duplication of an anchor property'); + } + + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (state.position === _position) { + throwError(state, 'name of an anchor node must contain at least one character'); + } + + state.anchor = state.input.slice(_position, state.position); + return true; +} + +function readAlias(state) { + var _position, alias, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x2A/* * */) return false; + + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (state.position === _position) { + throwError(state, 'name of an alias node must contain at least one character'); + } + + alias = state.input.slice(_position, state.position); + + if (!_hasOwnProperty$1.call(state.anchorMap, alias)) { + throwError(state, 'unidentified alias "' + alias + '"'); + } + + state.result = state.anchorMap[alias]; + skipSeparationSpace(state, true, -1); + return true; +} + +function composeNode(state, parentIndent, nodeContext, allowToSeek, allowCompact) { + var allowBlockStyles, + allowBlockScalars, + allowBlockCollections, + indentStatus = 1, // 1: this>parent, 0: this=parent, -1: this<parent + atNewLine = false, + hasContent = false, + typeIndex, + typeQuantity, + typeList, + type, + flowIndent, + blockIndent; + + if (state.listener !== null) { + state.listener('open', state); + } + + state.tag = null; + state.anchor = null; + state.kind = null; + state.result = null; + + allowBlockStyles = allowBlockScalars = allowBlockCollections = + CONTEXT_BLOCK_OUT === nodeContext || + CONTEXT_BLOCK_IN === nodeContext; + + if (allowToSeek) { + if (skipSeparationSpace(state, true, -1)) { + atNewLine = true; + + if (state.lineIndent > parentIndent) { + indentStatus = 1; + } else if (state.lineIndent === parentIndent) { + indentStatus = 0; + } else if (state.lineIndent < parentIndent) { + indentStatus = -1; + } + } + } + + if (indentStatus === 1) { + while (readTagProperty(state) || readAnchorProperty(state)) { + if (skipSeparationSpace(state, true, -1)) { + atNewLine = true; + allowBlockCollections = allowBlockStyles; + + if (state.lineIndent > parentIndent) { + indentStatus = 1; + } else if (state.lineIndent === parentIndent) { + indentStatus = 0; + } else if (state.lineIndent < parentIndent) { + indentStatus = -1; + } + } else { + allowBlockCollections = false; + } + } + } + + if (allowBlockCollections) { + allowBlockCollections = atNewLine || allowCompact; + } + + if (indentStatus === 1 || CONTEXT_BLOCK_OUT === nodeContext) { + if (CONTEXT_FLOW_IN === nodeContext || CONTEXT_FLOW_OUT === nodeContext) { + flowIndent = parentIndent; + } else { + flowIndent = parentIndent + 1; + } + + blockIndent = state.position - state.lineStart; + + if (indentStatus === 1) { + if (allowBlockCollections && + (readBlockSequence(state, blockIndent) || + readBlockMapping(state, blockIndent, flowIndent)) || + readFlowCollection(state, flowIndent)) { + hasContent = true; + } else { + if ((allowBlockScalars && readBlockScalar(state, flowIndent)) || + readSingleQuotedScalar(state, flowIndent) || + readDoubleQuotedScalar(state, flowIndent)) { + hasContent = true; + + } else if (readAlias(state)) { + hasContent = true; + + if (state.tag !== null || state.anchor !== null) { + throwError(state, 'alias node should not have any properties'); + } + + } else if (readPlainScalar(state, flowIndent, CONTEXT_FLOW_IN === nodeContext)) { + hasContent = true; + + if (state.tag === null) { + state.tag = '?'; + } + } + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + } + } else if (indentStatus === 0) { + // Special case: block sequences are allowed to have same indentation level as the parent. + // http://www.yaml.org/spec/1.2/spec.html#id2799784 + hasContent = allowBlockCollections && readBlockSequence(state, blockIndent); + } + } + + if (state.tag === null) { + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + + } else if (state.tag === '?') { + // Implicit resolving is not allowed for non-scalar types, and '?' + // non-specific tag is only automatically assigned to plain scalars. + // + // We only need to check kind conformity in case user explicitly assigns '?' + // tag, for example like this: "!<?> [0]" + // + if (state.result !== null && state.kind !== 'scalar') { + throwError(state, 'unacceptable node kind for !<?> tag; it should be "scalar", not "' + state.kind + '"'); + } + + for (typeIndex = 0, typeQuantity = state.implicitTypes.length; typeIndex < typeQuantity; typeIndex += 1) { + type = state.implicitTypes[typeIndex]; + + if (type.resolve(state.result)) { // `state.result` updated in resolver if matched + state.result = type.construct(state.result); + state.tag = type.tag; + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + break; + } + } + } else if (state.tag !== '!') { + if (_hasOwnProperty$1.call(state.typeMap[state.kind || 'fallback'], state.tag)) { + type = state.typeMap[state.kind || 'fallback'][state.tag]; + } else { + // looking for multi type + type = null; + typeList = state.typeMap.multi[state.kind || 'fallback']; + + for (typeIndex = 0, typeQuantity = typeList.length; typeIndex < typeQuantity; typeIndex += 1) { + if (state.tag.slice(0, typeList[typeIndex].tag.length) === typeList[typeIndex].tag) { + type = typeList[typeIndex]; + break; + } + } + } + + if (!type) { + throwError(state, 'unknown tag !<' + state.tag + '>'); + } + + if (state.result !== null && type.kind !== state.kind) { + throwError(state, 'unacceptable node kind for !<' + state.tag + '> tag; it should be "' + type.kind + '", not "' + state.kind + '"'); + } + + if (!type.resolve(state.result, state.tag)) { // `state.result` updated in resolver if matched + throwError(state, 'cannot resolve a node with !<' + state.tag + '> explicit tag'); + } else { + state.result = type.construct(state.result, state.tag); + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + } + } + + if (state.listener !== null) { + state.listener('close', state); + } + return state.tag !== null || state.anchor !== null || hasContent; +} + +function readDocument(state) { + var documentStart = state.position, + _position, + directiveName, + directiveArgs, + hasDirectives = false, + ch; + + state.version = null; + state.checkLineBreaks = state.legacy; + state.tagMap = Object.create(null); + state.anchorMap = Object.create(null); + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + skipSeparationSpace(state, true, -1); + + ch = state.input.charCodeAt(state.position); + + if (state.lineIndent > 0 || ch !== 0x25/* % */) { + break; + } + + hasDirectives = true; + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + directiveName = state.input.slice(_position, state.position); + directiveArgs = []; + + if (directiveName.length < 1) { + throwError(state, 'directive name must not be less than one character in length'); + } + + while (ch !== 0) { + while (is_WHITE_SPACE(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (ch === 0x23/* # */) { + do { ch = state.input.charCodeAt(++state.position); } + while (ch !== 0 && !is_EOL(ch)); + break; + } + + if (is_EOL(ch)) break; + + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + directiveArgs.push(state.input.slice(_position, state.position)); + } + + if (ch !== 0) readLineBreak(state); + + if (_hasOwnProperty$1.call(directiveHandlers, directiveName)) { + directiveHandlers[directiveName](state, directiveName, directiveArgs); + } else { + throwWarning(state, 'unknown document directive "' + directiveName + '"'); + } + } + + skipSeparationSpace(state, true, -1); + + if (state.lineIndent === 0 && + state.input.charCodeAt(state.position) === 0x2D/* - */ && + state.input.charCodeAt(state.position + 1) === 0x2D/* - */ && + state.input.charCodeAt(state.position + 2) === 0x2D/* - */) { + state.position += 3; + skipSeparationSpace(state, true, -1); + + } else if (hasDirectives) { + throwError(state, 'directives end mark is expected'); + } + + composeNode(state, state.lineIndent - 1, CONTEXT_BLOCK_OUT, false, true); + skipSeparationSpace(state, true, -1); + + if (state.checkLineBreaks && + PATTERN_NON_ASCII_LINE_BREAKS.test(state.input.slice(documentStart, state.position))) { + throwWarning(state, 'non-ASCII line breaks are interpreted as content'); + } + + state.documents.push(state.result); + + if (state.position === state.lineStart && testDocumentSeparator(state)) { + + if (state.input.charCodeAt(state.position) === 0x2E/* . */) { + state.position += 3; + skipSeparationSpace(state, true, -1); + } + return; + } + + if (state.position < (state.length - 1)) { + throwError(state, 'end of the stream or a document separator is expected'); + } else { + return; + } +} + + +function loadDocuments(input, options) { + input = String(input); + options = options || {}; + + if (input.length !== 0) { + + // Add tailing `\n` if not exists + if (input.charCodeAt(input.length - 1) !== 0x0A/* LF */ && + input.charCodeAt(input.length - 1) !== 0x0D/* CR */) { + input += '\n'; + } + + // Strip BOM + if (input.charCodeAt(0) === 0xFEFF) { + input = input.slice(1); + } + } + + var state = new State$1(input, options); + + var nullpos = input.indexOf('\0'); + + if (nullpos !== -1) { + state.position = nullpos; + throwError(state, 'null byte is not allowed in input'); + } + + // Use 0 as string terminator. That significantly simplifies bounds check. + state.input += '\0'; + + while (state.input.charCodeAt(state.position) === 0x20/* Space */) { + state.lineIndent += 1; + state.position += 1; + } + + while (state.position < (state.length - 1)) { + readDocument(state); + } + + return state.documents; +} + + +function loadAll$1(input, iterator, options) { + if (iterator !== null && typeof iterator === 'object' && typeof options === 'undefined') { + options = iterator; + iterator = null; + } + + var documents = loadDocuments(input, options); + + if (typeof iterator !== 'function') { + return documents; + } + + for (var index = 0, length = documents.length; index < length; index += 1) { + iterator(documents[index]); + } +} + + +function load$1(input, options) { + var documents = loadDocuments(input, options); + + if (documents.length === 0) { + /*eslint-disable no-undefined*/ + return undefined; + } else if (documents.length === 1) { + return documents[0]; + } + throw new exception('expected a single document in the stream, but found more'); +} + + +var loadAll_1 = loadAll$1; +var load_1 = load$1; + +var loader = { + loadAll: loadAll_1, + load: load_1 +}; + +/*eslint-disable no-use-before-define*/ + + + + + +var _toString = Object.prototype.toString; +var _hasOwnProperty = Object.prototype.hasOwnProperty; + +var CHAR_BOM = 0xFEFF; +var CHAR_TAB = 0x09; /* Tab */ +var CHAR_LINE_FEED = 0x0A; /* LF */ +var CHAR_CARRIAGE_RETURN = 0x0D; /* CR */ +var CHAR_SPACE = 0x20; /* Space */ +var CHAR_EXCLAMATION = 0x21; /* ! */ +var CHAR_DOUBLE_QUOTE = 0x22; /* " */ +var CHAR_SHARP = 0x23; /* # */ +var CHAR_PERCENT = 0x25; /* % */ +var CHAR_AMPERSAND = 0x26; /* & */ +var CHAR_SINGLE_QUOTE = 0x27; /* ' */ +var CHAR_ASTERISK = 0x2A; /* * */ +var CHAR_COMMA = 0x2C; /* , */ +var CHAR_MINUS = 0x2D; /* - */ +var CHAR_COLON = 0x3A; /* : */ +var CHAR_EQUALS = 0x3D; /* = */ +var CHAR_GREATER_THAN = 0x3E; /* > */ +var CHAR_QUESTION = 0x3F; /* ? */ +var CHAR_COMMERCIAL_AT = 0x40; /* @ */ +var CHAR_LEFT_SQUARE_BRACKET = 0x5B; /* [ */ +var CHAR_RIGHT_SQUARE_BRACKET = 0x5D; /* ] */ +var CHAR_GRAVE_ACCENT = 0x60; /* ` */ +var CHAR_LEFT_CURLY_BRACKET = 0x7B; /* { */ +var CHAR_VERTICAL_LINE = 0x7C; /* | */ +var CHAR_RIGHT_CURLY_BRACKET = 0x7D; /* } */ + +var ESCAPE_SEQUENCES = {}; + +ESCAPE_SEQUENCES[0x00] = '\\0'; +ESCAPE_SEQUENCES[0x07] = '\\a'; +ESCAPE_SEQUENCES[0x08] = '\\b'; +ESCAPE_SEQUENCES[0x09] = '\\t'; +ESCAPE_SEQUENCES[0x0A] = '\\n'; +ESCAPE_SEQUENCES[0x0B] = '\\v'; +ESCAPE_SEQUENCES[0x0C] = '\\f'; +ESCAPE_SEQUENCES[0x0D] = '\\r'; +ESCAPE_SEQUENCES[0x1B] = '\\e'; +ESCAPE_SEQUENCES[0x22] = '\\"'; +ESCAPE_SEQUENCES[0x5C] = '\\\\'; +ESCAPE_SEQUENCES[0x85] = '\\N'; +ESCAPE_SEQUENCES[0xA0] = '\\_'; +ESCAPE_SEQUENCES[0x2028] = '\\L'; +ESCAPE_SEQUENCES[0x2029] = '\\P'; + +var DEPRECATED_BOOLEANS_SYNTAX = [ + 'y', 'Y', 'yes', 'Yes', 'YES', 'on', 'On', 'ON', + 'n', 'N', 'no', 'No', 'NO', 'off', 'Off', 'OFF' +]; + +var DEPRECATED_BASE60_SYNTAX = /^[-+]?[0-9_]+(?::[0-9_]+)+(?:\.[0-9_]*)?$/; + +function compileStyleMap(schema, map) { + var result, keys, index, length, tag, style, type; + + if (map === null) return {}; + + result = {}; + keys = Object.keys(map); + + for (index = 0, length = keys.length; index < length; index += 1) { + tag = keys[index]; + style = String(map[tag]); + + if (tag.slice(0, 2) === '!!') { + tag = 'tag:yaml.org,2002:' + tag.slice(2); + } + type = schema.compiledTypeMap['fallback'][tag]; + + if (type && _hasOwnProperty.call(type.styleAliases, style)) { + style = type.styleAliases[style]; + } + + result[tag] = style; + } + + return result; +} + +function encodeHex(character) { + var string, handle, length; + + string = character.toString(16).toUpperCase(); + + if (character <= 0xFF) { + handle = 'x'; + length = 2; + } else if (character <= 0xFFFF) { + handle = 'u'; + length = 4; + } else if (character <= 0xFFFFFFFF) { + handle = 'U'; + length = 8; + } else { + throw new exception('code point within a string may not be greater than 0xFFFFFFFF'); + } + + return '\\' + handle + common.repeat('0', length - string.length) + string; +} + + +var QUOTING_TYPE_SINGLE = 1, + QUOTING_TYPE_DOUBLE = 2; + +function State(options) { + this.schema = options['schema'] || _default; + this.indent = Math.max(1, (options['indent'] || 2)); + this.noArrayIndent = options['noArrayIndent'] || false; + this.skipInvalid = options['skipInvalid'] || false; + this.flowLevel = (common.isNothing(options['flowLevel']) ? -1 : options['flowLevel']); + this.styleMap = compileStyleMap(this.schema, options['styles'] || null); + this.sortKeys = options['sortKeys'] || false; + this.lineWidth = options['lineWidth'] || 80; + this.noRefs = options['noRefs'] || false; + this.noCompatMode = options['noCompatMode'] || false; + this.condenseFlow = options['condenseFlow'] || false; + this.quotingType = options['quotingType'] === '"' ? QUOTING_TYPE_DOUBLE : QUOTING_TYPE_SINGLE; + this.forceQuotes = options['forceQuotes'] || false; + this.replacer = typeof options['replacer'] === 'function' ? options['replacer'] : null; + + this.implicitTypes = this.schema.compiledImplicit; + this.explicitTypes = this.schema.compiledExplicit; + + this.tag = null; + this.result = ''; + + this.duplicates = []; + this.usedDuplicates = null; +} + +// Indents every line in a string. Empty lines (\n only) are not indented. +function indentString(string, spaces) { + var ind = common.repeat(' ', spaces), + position = 0, + next = -1, + result = '', + line, + length = string.length; + + while (position < length) { + next = string.indexOf('\n', position); + if (next === -1) { + line = string.slice(position); + position = length; + } else { + line = string.slice(position, next + 1); + position = next + 1; + } + + if (line.length && line !== '\n') result += ind; + + result += line; + } + + return result; +} + +function generateNextLine(state, level) { + return '\n' + common.repeat(' ', state.indent * level); +} + +function testImplicitResolving(state, str) { + var index, length, type; + + for (index = 0, length = state.implicitTypes.length; index < length; index += 1) { + type = state.implicitTypes[index]; + + if (type.resolve(str)) { + return true; + } + } + + return false; +} + +// [33] s-white ::= s-space | s-tab +function isWhitespace(c) { + return c === CHAR_SPACE || c === CHAR_TAB; +} + +// Returns true if the character can be printed without escaping. +// From YAML 1.2: "any allowed characters known to be non-printable +// should also be escaped. [However,] This isn’t mandatory" +// Derived from nb-char - \t - #x85 - #xA0 - #x2028 - #x2029. +function isPrintable(c) { + return (0x00020 <= c && c <= 0x00007E) + || ((0x000A1 <= c && c <= 0x00D7FF) && c !== 0x2028 && c !== 0x2029) + || ((0x0E000 <= c && c <= 0x00FFFD) && c !== CHAR_BOM) + || (0x10000 <= c && c <= 0x10FFFF); +} + +// [34] ns-char ::= nb-char - s-white +// [27] nb-char ::= c-printable - b-char - c-byte-order-mark +// [26] b-char ::= b-line-feed | b-carriage-return +// Including s-white (for some reason, examples doesn't match specs in this aspect) +// ns-char ::= c-printable - b-line-feed - b-carriage-return - c-byte-order-mark +function isNsCharOrWhitespace(c) { + return isPrintable(c) + && c !== CHAR_BOM + // - b-char + && c !== CHAR_CARRIAGE_RETURN + && c !== CHAR_LINE_FEED; +} + +// [127] ns-plain-safe(c) ::= c = flow-out ⇒ ns-plain-safe-out +// c = flow-in ⇒ ns-plain-safe-in +// c = block-key ⇒ ns-plain-safe-out +// c = flow-key ⇒ ns-plain-safe-in +// [128] ns-plain-safe-out ::= ns-char +// [129] ns-plain-safe-in ::= ns-char - c-flow-indicator +// [130] ns-plain-char(c) ::= ( ns-plain-safe(c) - “:” - “#” ) +// | ( /* An ns-char preceding */ “#” ) +// | ( “:” /* Followed by an ns-plain-safe(c) */ ) +function isPlainSafe(c, prev, inblock) { + var cIsNsCharOrWhitespace = isNsCharOrWhitespace(c); + var cIsNsChar = cIsNsCharOrWhitespace && !isWhitespace(c); + return ( + // ns-plain-safe + inblock ? // c = flow-in + cIsNsCharOrWhitespace + : cIsNsCharOrWhitespace + // - c-flow-indicator + && c !== CHAR_COMMA + && c !== CHAR_LEFT_SQUARE_BRACKET + && c !== CHAR_RIGHT_SQUARE_BRACKET + && c !== CHAR_LEFT_CURLY_BRACKET + && c !== CHAR_RIGHT_CURLY_BRACKET + ) + // ns-plain-char + && c !== CHAR_SHARP // false on '#' + && !(prev === CHAR_COLON && !cIsNsChar) // false on ': ' + || (isNsCharOrWhitespace(prev) && !isWhitespace(prev) && c === CHAR_SHARP) // change to true on '[^ ]#' + || (prev === CHAR_COLON && cIsNsChar); // change to true on ':[^ ]' +} + +// Simplified test for values allowed as the first character in plain style. +function isPlainSafeFirst(c) { + // Uses a subset of ns-char - c-indicator + // where ns-char = nb-char - s-white. + // No support of ( ( “?” | “:” | “-” ) /* Followed by an ns-plain-safe(c)) */ ) part + return isPrintable(c) && c !== CHAR_BOM + && !isWhitespace(c) // - s-white + // - (c-indicator ::= + // “-” | “?” | “:” | “,” | “[” | “]” | “{” | “}” + && c !== CHAR_MINUS + && c !== CHAR_QUESTION + && c !== CHAR_COLON + && c !== CHAR_COMMA + && c !== CHAR_LEFT_SQUARE_BRACKET + && c !== CHAR_RIGHT_SQUARE_BRACKET + && c !== CHAR_LEFT_CURLY_BRACKET + && c !== CHAR_RIGHT_CURLY_BRACKET + // | “#” | “&” | “*” | “!” | “|” | “=” | “>” | “'” | “"” + && c !== CHAR_SHARP + && c !== CHAR_AMPERSAND + && c !== CHAR_ASTERISK + && c !== CHAR_EXCLAMATION + && c !== CHAR_VERTICAL_LINE + && c !== CHAR_EQUALS + && c !== CHAR_GREATER_THAN + && c !== CHAR_SINGLE_QUOTE + && c !== CHAR_DOUBLE_QUOTE + // | “%” | “@” | “`”) + && c !== CHAR_PERCENT + && c !== CHAR_COMMERCIAL_AT + && c !== CHAR_GRAVE_ACCENT; +} + +// Simplified test for values allowed as the last character in plain style. +function isPlainSafeLast(c) { + // just not whitespace or colon, it will be checked to be plain character later + return !isWhitespace(c) && c !== CHAR_COLON; +} + +// Same as 'string'.codePointAt(pos), but works in older browsers. +function codePointAt(string, pos) { + var first = string.charCodeAt(pos), second; + if (first >= 0xD800 && first <= 0xDBFF && pos + 1 < string.length) { + second = string.charCodeAt(pos + 1); + if (second >= 0xDC00 && second <= 0xDFFF) { + // https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae + return (first - 0xD800) * 0x400 + second - 0xDC00 + 0x10000; + } + } + return first; +} + +// Determines whether block indentation indicator is required. +function needIndentIndicator(string) { + var leadingSpaceRe = /^\n* /; + return leadingSpaceRe.test(string); +} + +var STYLE_PLAIN = 1, + STYLE_SINGLE = 2, + STYLE_LITERAL = 3, + STYLE_FOLDED = 4, + STYLE_DOUBLE = 5; + +// Determines which scalar styles are possible and returns the preferred style. +// lineWidth = -1 => no limit. +// Pre-conditions: str.length > 0. +// Post-conditions: +// STYLE_PLAIN or STYLE_SINGLE => no \n are in the string. +// STYLE_LITERAL => no lines are suitable for folding (or lineWidth is -1). +// STYLE_FOLDED => a line > lineWidth and can be folded (and lineWidth != -1). +function chooseScalarStyle(string, singleLineOnly, indentPerLevel, lineWidth, + testAmbiguousType, quotingType, forceQuotes, inblock) { + + var i; + var char = 0; + var prevChar = null; + var hasLineBreak = false; + var hasFoldableLine = false; // only checked if shouldTrackWidth + var shouldTrackWidth = lineWidth !== -1; + var previousLineBreak = -1; // count the first line correctly + var plain = isPlainSafeFirst(codePointAt(string, 0)) + && isPlainSafeLast(codePointAt(string, string.length - 1)); + + if (singleLineOnly || forceQuotes) { + // Case: no block styles. + // Check for disallowed characters to rule out plain and single. + for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) { + char = codePointAt(string, i); + if (!isPrintable(char)) { + return STYLE_DOUBLE; + } + plain = plain && isPlainSafe(char, prevChar, inblock); + prevChar = char; + } + } else { + // Case: block styles permitted. + for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) { + char = codePointAt(string, i); + if (char === CHAR_LINE_FEED) { + hasLineBreak = true; + // Check if any line can be folded. + if (shouldTrackWidth) { + hasFoldableLine = hasFoldableLine || + // Foldable line = too long, and not more-indented. + (i - previousLineBreak - 1 > lineWidth && + string[previousLineBreak + 1] !== ' '); + previousLineBreak = i; + } + } else if (!isPrintable(char)) { + return STYLE_DOUBLE; + } + plain = plain && isPlainSafe(char, prevChar, inblock); + prevChar = char; + } + // in case the end is missing a \n + hasFoldableLine = hasFoldableLine || (shouldTrackWidth && + (i - previousLineBreak - 1 > lineWidth && + string[previousLineBreak + 1] !== ' ')); + } + // Although every style can represent \n without escaping, prefer block styles + // for multiline, since they're more readable and they don't add empty lines. + // Also prefer folding a super-long line. + if (!hasLineBreak && !hasFoldableLine) { + // Strings interpretable as another type have to be quoted; + // e.g. the string 'true' vs. the boolean true. + if (plain && !forceQuotes && !testAmbiguousType(string)) { + return STYLE_PLAIN; + } + return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE; + } + // Edge case: block indentation indicator can only have one digit. + if (indentPerLevel > 9 && needIndentIndicator(string)) { + return STYLE_DOUBLE; + } + // At this point we know block styles are valid. + // Prefer literal style unless we want to fold. + if (!forceQuotes) { + return hasFoldableLine ? STYLE_FOLDED : STYLE_LITERAL; + } + return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE; +} + +// Note: line breaking/folding is implemented for only the folded style. +// NB. We drop the last trailing newline (if any) of a returned block scalar +// since the dumper adds its own newline. This always works: +// • No ending newline => unaffected; already using strip "-" chomping. +// • Ending newline => removed then restored. +// Importantly, this keeps the "+" chomp indicator from gaining an extra line. +function writeScalar(state, string, level, iskey, inblock) { + state.dump = (function () { + if (string.length === 0) { + return state.quotingType === QUOTING_TYPE_DOUBLE ? '""' : "''"; + } + if (!state.noCompatMode) { + if (DEPRECATED_BOOLEANS_SYNTAX.indexOf(string) !== -1 || DEPRECATED_BASE60_SYNTAX.test(string)) { + return state.quotingType === QUOTING_TYPE_DOUBLE ? ('"' + string + '"') : ("'" + string + "'"); + } + } + + var indent = state.indent * Math.max(1, level); // no 0-indent scalars + // As indentation gets deeper, let the width decrease monotonically + // to the lower bound min(state.lineWidth, 40). + // Note that this implies + // state.lineWidth ≤ 40 + state.indent: width is fixed at the lower bound. + // state.lineWidth > 40 + state.indent: width decreases until the lower bound. + // This behaves better than a constant minimum width which disallows narrower options, + // or an indent threshold which causes the width to suddenly increase. + var lineWidth = state.lineWidth === -1 + ? -1 : Math.max(Math.min(state.lineWidth, 40), state.lineWidth - indent); + + // Without knowing if keys are implicit/explicit, assume implicit for safety. + var singleLineOnly = iskey + // No block styles in flow mode. + || (state.flowLevel > -1 && level >= state.flowLevel); + function testAmbiguity(string) { + return testImplicitResolving(state, string); + } + + switch (chooseScalarStyle(string, singleLineOnly, state.indent, lineWidth, + testAmbiguity, state.quotingType, state.forceQuotes && !iskey, inblock)) { + + case STYLE_PLAIN: + return string; + case STYLE_SINGLE: + return "'" + string.replace(/'/g, "''") + "'"; + case STYLE_LITERAL: + return '|' + blockHeader(string, state.indent) + + dropEndingNewline(indentString(string, indent)); + case STYLE_FOLDED: + return '>' + blockHeader(string, state.indent) + + dropEndingNewline(indentString(foldString(string, lineWidth), indent)); + case STYLE_DOUBLE: + return '"' + escapeString(string) + '"'; + default: + throw new exception('impossible error: invalid scalar style'); + } + }()); +} + +// Pre-conditions: string is valid for a block scalar, 1 <= indentPerLevel <= 9. +function blockHeader(string, indentPerLevel) { + var indentIndicator = needIndentIndicator(string) ? String(indentPerLevel) : ''; + + // note the special case: the string '\n' counts as a "trailing" empty line. + var clip = string[string.length - 1] === '\n'; + var keep = clip && (string[string.length - 2] === '\n' || string === '\n'); + var chomp = keep ? '+' : (clip ? '' : '-'); + + return indentIndicator + chomp + '\n'; +} + +// (See the note for writeScalar.) +function dropEndingNewline(string) { + return string[string.length - 1] === '\n' ? string.slice(0, -1) : string; +} + +// Note: a long line without a suitable break point will exceed the width limit. +// Pre-conditions: every char in str isPrintable, str.length > 0, width > 0. +function foldString(string, width) { + // In folded style, $k$ consecutive newlines output as $k+1$ newlines— + // unless they're before or after a more-indented line, or at the very + // beginning or end, in which case $k$ maps to $k$. + // Therefore, parse each chunk as newline(s) followed by a content line. + var lineRe = /(\n+)([^\n]*)/g; + + // first line (possibly an empty line) + var result = (function () { + var nextLF = string.indexOf('\n'); + nextLF = nextLF !== -1 ? nextLF : string.length; + lineRe.lastIndex = nextLF; + return foldLine(string.slice(0, nextLF), width); + }()); + // If we haven't reached the first content line yet, don't add an extra \n. + var prevMoreIndented = string[0] === '\n' || string[0] === ' '; + var moreIndented; + + // rest of the lines + var match; + while ((match = lineRe.exec(string))) { + var prefix = match[1], line = match[2]; + moreIndented = (line[0] === ' '); + result += prefix + + (!prevMoreIndented && !moreIndented && line !== '' + ? '\n' : '') + + foldLine(line, width); + prevMoreIndented = moreIndented; + } + + return result; +} + +// Greedy line breaking. +// Picks the longest line under the limit each time, +// otherwise settles for the shortest line over the limit. +// NB. More-indented lines *cannot* be folded, as that would add an extra \n. +function foldLine(line, width) { + if (line === '' || line[0] === ' ') return line; + + // Since a more-indented line adds a \n, breaks can't be followed by a space. + var breakRe = / [^ ]/g; // note: the match index will always be <= length-2. + var match; + // start is an inclusive index. end, curr, and next are exclusive. + var start = 0, end, curr = 0, next = 0; + var result = ''; + + // Invariants: 0 <= start <= length-1. + // 0 <= curr <= next <= max(0, length-2). curr - start <= width. + // Inside the loop: + // A match implies length >= 2, so curr and next are <= length-2. + while ((match = breakRe.exec(line))) { + next = match.index; + // maintain invariant: curr - start <= width + if (next - start > width) { + end = (curr > start) ? curr : next; // derive end <= length-2 + result += '\n' + line.slice(start, end); + // skip the space that was output as \n + start = end + 1; // derive start <= length-1 + } + curr = next; + } + + // By the invariants, start <= length-1, so there is something left over. + // It is either the whole string or a part starting from non-whitespace. + result += '\n'; + // Insert a break if the remainder is too long and there is a break available. + if (line.length - start > width && curr > start) { + result += line.slice(start, curr) + '\n' + line.slice(curr + 1); + } else { + result += line.slice(start); + } + + return result.slice(1); // drop extra \n joiner +} + +// Escapes a double-quoted string. +function escapeString(string) { + var result = ''; + var char = 0; + var escapeSeq; + + for (var i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) { + char = codePointAt(string, i); + escapeSeq = ESCAPE_SEQUENCES[char]; + + if (!escapeSeq && isPrintable(char)) { + result += string[i]; + if (char >= 0x10000) result += string[i + 1]; + } else { + result += escapeSeq || encodeHex(char); + } + } + + return result; +} + +function writeFlowSequence(state, level, object) { + var _result = '', + _tag = state.tag, + index, + length, + value; + + for (index = 0, length = object.length; index < length; index += 1) { + value = object[index]; + + if (state.replacer) { + value = state.replacer.call(object, String(index), value); + } + + // Write only valid elements, put null instead of invalid elements. + if (writeNode(state, level, value, false, false) || + (typeof value === 'undefined' && + writeNode(state, level, null, false, false))) { + + if (_result !== '') _result += ',' + (!state.condenseFlow ? ' ' : ''); + _result += state.dump; + } + } + + state.tag = _tag; + state.dump = '[' + _result + ']'; +} + +function writeBlockSequence(state, level, object, compact) { + var _result = '', + _tag = state.tag, + index, + length, + value; + + for (index = 0, length = object.length; index < length; index += 1) { + value = object[index]; + + if (state.replacer) { + value = state.replacer.call(object, String(index), value); + } + + // Write only valid elements, put null instead of invalid elements. + if (writeNode(state, level + 1, value, true, true, false, true) || + (typeof value === 'undefined' && + writeNode(state, level + 1, null, true, true, false, true))) { + + if (!compact || _result !== '') { + _result += generateNextLine(state, level); + } + + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + _result += '-'; + } else { + _result += '- '; + } + + _result += state.dump; + } + } + + state.tag = _tag; + state.dump = _result || '[]'; // Empty sequence if no valid values. +} + +function writeFlowMapping(state, level, object) { + var _result = '', + _tag = state.tag, + objectKeyList = Object.keys(object), + index, + length, + objectKey, + objectValue, + pairBuffer; + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + + pairBuffer = ''; + if (_result !== '') pairBuffer += ', '; + + if (state.condenseFlow) pairBuffer += '"'; + + objectKey = objectKeyList[index]; + objectValue = object[objectKey]; + + if (state.replacer) { + objectValue = state.replacer.call(object, objectKey, objectValue); + } + + if (!writeNode(state, level, objectKey, false, false)) { + continue; // Skip this pair because of invalid key; + } + + if (state.dump.length > 1024) pairBuffer += '? '; + + pairBuffer += state.dump + (state.condenseFlow ? '"' : '') + ':' + (state.condenseFlow ? '' : ' '); + + if (!writeNode(state, level, objectValue, false, false)) { + continue; // Skip this pair because of invalid value. + } + + pairBuffer += state.dump; + + // Both key and value are valid. + _result += pairBuffer; + } + + state.tag = _tag; + state.dump = '{' + _result + '}'; +} + +function writeBlockMapping(state, level, object, compact) { + var _result = '', + _tag = state.tag, + objectKeyList = Object.keys(object), + index, + length, + objectKey, + objectValue, + explicitPair, + pairBuffer; + + // Allow sorting keys so that the output file is deterministic + if (state.sortKeys === true) { + // Default sorting + objectKeyList.sort(); + } else if (typeof state.sortKeys === 'function') { + // Custom sort function + objectKeyList.sort(state.sortKeys); + } else if (state.sortKeys) { + // Something is wrong + throw new exception('sortKeys must be a boolean or a function'); + } + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + pairBuffer = ''; + + if (!compact || _result !== '') { + pairBuffer += generateNextLine(state, level); + } + + objectKey = objectKeyList[index]; + objectValue = object[objectKey]; + + if (state.replacer) { + objectValue = state.replacer.call(object, objectKey, objectValue); + } + + if (!writeNode(state, level + 1, objectKey, true, true, true)) { + continue; // Skip this pair because of invalid key. + } + + explicitPair = (state.tag !== null && state.tag !== '?') || + (state.dump && state.dump.length > 1024); + + if (explicitPair) { + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + pairBuffer += '?'; + } else { + pairBuffer += '? '; + } + } + + pairBuffer += state.dump; + + if (explicitPair) { + pairBuffer += generateNextLine(state, level); + } + + if (!writeNode(state, level + 1, objectValue, true, explicitPair)) { + continue; // Skip this pair because of invalid value. + } + + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + pairBuffer += ':'; + } else { + pairBuffer += ': '; + } + + pairBuffer += state.dump; + + // Both key and value are valid. + _result += pairBuffer; + } + + state.tag = _tag; + state.dump = _result || '{}'; // Empty mapping if no valid pairs. +} + +function detectType(state, object, explicit) { + var _result, typeList, index, length, type, style; + + typeList = explicit ? state.explicitTypes : state.implicitTypes; + + for (index = 0, length = typeList.length; index < length; index += 1) { + type = typeList[index]; + + if ((type.instanceOf || type.predicate) && + (!type.instanceOf || ((typeof object === 'object') && (object instanceof type.instanceOf))) && + (!type.predicate || type.predicate(object))) { + + if (explicit) { + if (type.multi && type.representName) { + state.tag = type.representName(object); + } else { + state.tag = type.tag; + } + } else { + state.tag = '?'; + } + + if (type.represent) { + style = state.styleMap[type.tag] || type.defaultStyle; + + if (_toString.call(type.represent) === '[object Function]') { + _result = type.represent(object, style); + } else if (_hasOwnProperty.call(type.represent, style)) { + _result = type.represent[style](object, style); + } else { + throw new exception('!<' + type.tag + '> tag resolver accepts not "' + style + '" style'); + } + + state.dump = _result; + } + + return true; + } + } + + return false; +} + +// Serializes `object` and writes it to global `result`. +// Returns true on success, or false on invalid object. +// +function writeNode(state, level, object, block, compact, iskey, isblockseq) { + state.tag = null; + state.dump = object; + + if (!detectType(state, object, false)) { + detectType(state, object, true); + } + + var type = _toString.call(state.dump); + var inblock = block; + var tagStr; + + if (block) { + block = (state.flowLevel < 0 || state.flowLevel > level); + } + + var objectOrArray = type === '[object Object]' || type === '[object Array]', + duplicateIndex, + duplicate; + + if (objectOrArray) { + duplicateIndex = state.duplicates.indexOf(object); + duplicate = duplicateIndex !== -1; + } + + if ((state.tag !== null && state.tag !== '?') || duplicate || (state.indent !== 2 && level > 0)) { + compact = false; + } + + if (duplicate && state.usedDuplicates[duplicateIndex]) { + state.dump = '*ref_' + duplicateIndex; + } else { + if (objectOrArray && duplicate && !state.usedDuplicates[duplicateIndex]) { + state.usedDuplicates[duplicateIndex] = true; + } + if (type === '[object Object]') { + if (block && (Object.keys(state.dump).length !== 0)) { + writeBlockMapping(state, level, state.dump, compact); + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + state.dump; + } + } else { + writeFlowMapping(state, level, state.dump); + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + ' ' + state.dump; + } + } + } else if (type === '[object Array]') { + if (block && (state.dump.length !== 0)) { + if (state.noArrayIndent && !isblockseq && level > 0) { + writeBlockSequence(state, level - 1, state.dump, compact); + } else { + writeBlockSequence(state, level, state.dump, compact); + } + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + state.dump; + } + } else { + writeFlowSequence(state, level, state.dump); + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + ' ' + state.dump; + } + } + } else if (type === '[object String]') { + if (state.tag !== '?') { + writeScalar(state, state.dump, level, iskey, inblock); + } + } else if (type === '[object Undefined]') { + return false; + } else { + if (state.skipInvalid) return false; + throw new exception('unacceptable kind of an object to dump ' + type); + } + + if (state.tag !== null && state.tag !== '?') { + // Need to encode all characters except those allowed by the spec: + // + // [35] ns-dec-digit ::= [#x30-#x39] /* 0-9 */ + // [36] ns-hex-digit ::= ns-dec-digit + // | [#x41-#x46] /* A-F */ | [#x61-#x66] /* a-f */ + // [37] ns-ascii-letter ::= [#x41-#x5A] /* A-Z */ | [#x61-#x7A] /* a-z */ + // [38] ns-word-char ::= ns-dec-digit | ns-ascii-letter | “-” + // [39] ns-uri-char ::= “%” ns-hex-digit ns-hex-digit | ns-word-char | “#” + // | “;” | “/” | “?” | “:” | “@” | “&” | “=” | “+” | “$” | “,” + // | “_” | “.” | “!” | “~” | “*” | “'” | “(” | “)” | “[” | “]” + // + // Also need to encode '!' because it has special meaning (end of tag prefix). + // + tagStr = encodeURI( + state.tag[0] === '!' ? state.tag.slice(1) : state.tag + ).replace(/!/g, '%21'); + + if (state.tag[0] === '!') { + tagStr = '!' + tagStr; + } else if (tagStr.slice(0, 18) === 'tag:yaml.org,2002:') { + tagStr = '!!' + tagStr.slice(18); + } else { + tagStr = '!<' + tagStr + '>'; + } + + state.dump = tagStr + ' ' + state.dump; + } + } + + return true; +} + +function getDuplicateReferences(object, state) { + var objects = [], + duplicatesIndexes = [], + index, + length; + + inspectNode(object, objects, duplicatesIndexes); + + for (index = 0, length = duplicatesIndexes.length; index < length; index += 1) { + state.duplicates.push(objects[duplicatesIndexes[index]]); + } + state.usedDuplicates = new Array(length); +} + +function inspectNode(object, objects, duplicatesIndexes) { + var objectKeyList, + index, + length; + + if (object !== null && typeof object === 'object') { + index = objects.indexOf(object); + if (index !== -1) { + if (duplicatesIndexes.indexOf(index) === -1) { + duplicatesIndexes.push(index); + } + } else { + objects.push(object); + + if (Array.isArray(object)) { + for (index = 0, length = object.length; index < length; index += 1) { + inspectNode(object[index], objects, duplicatesIndexes); + } + } else { + objectKeyList = Object.keys(object); + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + inspectNode(object[objectKeyList[index]], objects, duplicatesIndexes); + } + } + } + } +} + +function dump$1(input, options) { + options = options || {}; + + var state = new State(options); + + if (!state.noRefs) getDuplicateReferences(input, state); + + var value = input; + + if (state.replacer) { + value = state.replacer.call({ '': value }, '', value); + } + + if (writeNode(state, 0, value, true, true)) return state.dump + '\n'; + + return ''; +} + +var dump_1 = dump$1; + +var dumper = { + dump: dump_1 +}; + +function renamed(from, to) { + return function () { + throw new Error('Function yaml.' + from + ' is removed in js-yaml 4. ' + + 'Use yaml.' + to + ' instead, which is now safe by default.'); + }; +} + + +var Type = type; +var Schema = schema; +var FAILSAFE_SCHEMA = failsafe; +var JSON_SCHEMA = json; +var CORE_SCHEMA = core; +var DEFAULT_SCHEMA = _default; +var load = loader.load; +var loadAll = loader.loadAll; +var dump = dumper.dump; +var YAMLException = exception; + +// Re-export all types in case user wants to create custom schema +var types = { + binary: binary, + float: float, + map: map, + null: _null, + pairs: pairs, + set: set, + timestamp: timestamp, + bool: bool, + int: int, + merge: merge, + omap: omap, + seq: seq, + str: str +}; + +// Removed functions from JS-YAML 3.0.x +var safeLoad = renamed('safeLoad', 'load'); +var safeLoadAll = renamed('safeLoadAll', 'loadAll'); +var safeDump = renamed('safeDump', 'dump'); + +var jsYaml = { + Type: Type, + Schema: Schema, + FAILSAFE_SCHEMA: FAILSAFE_SCHEMA, + JSON_SCHEMA: JSON_SCHEMA, + CORE_SCHEMA: CORE_SCHEMA, + DEFAULT_SCHEMA: DEFAULT_SCHEMA, + load: load, + loadAll: loadAll, + dump: dump, + YAMLException: YAMLException, + types: types, + safeLoad: safeLoad, + safeLoadAll: safeLoadAll, + safeDump: safeDump +}; + +export default jsYaml; +export { CORE_SCHEMA, DEFAULT_SCHEMA, FAILSAFE_SCHEMA, JSON_SCHEMA, Schema, Type, YAMLException, dump, load, loadAll, safeDump, safeLoad, safeLoadAll, types }; |