diff options
| author | Shipwreckt <me@shipwreckt.co.uk> | 2025-10-31 20:02:14 +0000 |
|---|---|---|
| committer | Shipwreckt <me@shipwreckt.co.uk> | 2025-10-31 20:02:14 +0000 |
| commit | 7a52ddeba2a68388b544f529d2d92104420f77b0 (patch) | |
| tree | 15ddd47457a2cb4a96060747437d36474e4f6b4e /node_modules/nunjucks/src/jinja-compat.js | |
| parent | 53d6ae2b5568437afa5e4995580a3fb679b7b91b (diff) | |
Changed from static to 11ty!
Diffstat (limited to 'node_modules/nunjucks/src/jinja-compat.js')
| -rw-r--r-- | node_modules/nunjucks/src/jinja-compat.js | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/node_modules/nunjucks/src/jinja-compat.js b/node_modules/nunjucks/src/jinja-compat.js new file mode 100644 index 0000000..8754979 --- /dev/null +++ b/node_modules/nunjucks/src/jinja-compat.js @@ -0,0 +1,293 @@ +"use strict"; + +function installCompat() { + 'use strict'; + + /* eslint-disable camelcase */ + + // This must be called like `nunjucks.installCompat` so that `this` + // references the nunjucks instance + var runtime = this.runtime; + var lib = this.lib; + // Handle slim case where these 'modules' are excluded from the built source + var Compiler = this.compiler.Compiler; + var Parser = this.parser.Parser; + var nodes = this.nodes; + var lexer = this.lexer; + var orig_contextOrFrameLookup = runtime.contextOrFrameLookup; + var orig_memberLookup = runtime.memberLookup; + var orig_Compiler_assertType; + var orig_Parser_parseAggregate; + if (Compiler) { + orig_Compiler_assertType = Compiler.prototype.assertType; + } + if (Parser) { + orig_Parser_parseAggregate = Parser.prototype.parseAggregate; + } + function uninstall() { + runtime.contextOrFrameLookup = orig_contextOrFrameLookup; + runtime.memberLookup = orig_memberLookup; + if (Compiler) { + Compiler.prototype.assertType = orig_Compiler_assertType; + } + if (Parser) { + Parser.prototype.parseAggregate = orig_Parser_parseAggregate; + } + } + runtime.contextOrFrameLookup = function contextOrFrameLookup(context, frame, key) { + var val = orig_contextOrFrameLookup.apply(this, arguments); + if (val !== undefined) { + return val; + } + switch (key) { + case 'True': + return true; + case 'False': + return false; + case 'None': + return null; + default: + return undefined; + } + }; + function getTokensState(tokens) { + return { + index: tokens.index, + lineno: tokens.lineno, + colno: tokens.colno + }; + } + if (process.env.BUILD_TYPE !== 'SLIM' && nodes && Compiler && Parser) { + // i.e., not slim mode + var Slice = nodes.Node.extend('Slice', { + fields: ['start', 'stop', 'step'], + init: function init(lineno, colno, start, stop, step) { + start = start || new nodes.Literal(lineno, colno, null); + stop = stop || new nodes.Literal(lineno, colno, null); + step = step || new nodes.Literal(lineno, colno, 1); + this.parent(lineno, colno, start, stop, step); + } + }); + Compiler.prototype.assertType = function assertType(node) { + if (node instanceof Slice) { + return; + } + orig_Compiler_assertType.apply(this, arguments); + }; + Compiler.prototype.compileSlice = function compileSlice(node, frame) { + this._emit('('); + this._compileExpression(node.start, frame); + this._emit('),('); + this._compileExpression(node.stop, frame); + this._emit('),('); + this._compileExpression(node.step, frame); + this._emit(')'); + }; + Parser.prototype.parseAggregate = function parseAggregate() { + var _this = this; + var origState = getTokensState(this.tokens); + // Set back one accounting for opening bracket/parens + origState.colno--; + origState.index--; + try { + return orig_Parser_parseAggregate.apply(this); + } catch (e) { + var errState = getTokensState(this.tokens); + var rethrow = function rethrow() { + lib._assign(_this.tokens, errState); + return e; + }; + + // Reset to state before original parseAggregate called + lib._assign(this.tokens, origState); + this.peeked = false; + var tok = this.peekToken(); + if (tok.type !== lexer.TOKEN_LEFT_BRACKET) { + throw rethrow(); + } else { + this.nextToken(); + } + var node = new Slice(tok.lineno, tok.colno); + + // If we don't encounter a colon while parsing, this is not a slice, + // so re-raise the original exception. + var isSlice = false; + for (var i = 0; i <= node.fields.length; i++) { + if (this.skip(lexer.TOKEN_RIGHT_BRACKET)) { + break; + } + if (i === node.fields.length) { + if (isSlice) { + this.fail('parseSlice: too many slice components', tok.lineno, tok.colno); + } else { + break; + } + } + if (this.skip(lexer.TOKEN_COLON)) { + isSlice = true; + } else { + var field = node.fields[i]; + node[field] = this.parseExpression(); + isSlice = this.skip(lexer.TOKEN_COLON) || isSlice; + } + } + if (!isSlice) { + throw rethrow(); + } + return new nodes.Array(tok.lineno, tok.colno, [node]); + } + }; + } + function sliceLookup(obj, start, stop, step) { + obj = obj || []; + if (start === null) { + start = step < 0 ? obj.length - 1 : 0; + } + if (stop === null) { + stop = step < 0 ? -1 : obj.length; + } else if (stop < 0) { + stop += obj.length; + } + if (start < 0) { + start += obj.length; + } + var results = []; + for (var i = start;; i += step) { + if (i < 0 || i > obj.length) { + break; + } + if (step > 0 && i >= stop) { + break; + } + if (step < 0 && i <= stop) { + break; + } + results.push(runtime.memberLookup(obj, i)); + } + return results; + } + function hasOwnProp(obj, key) { + return Object.prototype.hasOwnProperty.call(obj, key); + } + var ARRAY_MEMBERS = { + pop: function pop(index) { + if (index === undefined) { + return this.pop(); + } + if (index >= this.length || index < 0) { + throw new Error('KeyError'); + } + return this.splice(index, 1); + }, + append: function append(element) { + return this.push(element); + }, + remove: function remove(element) { + for (var i = 0; i < this.length; i++) { + if (this[i] === element) { + return this.splice(i, 1); + } + } + throw new Error('ValueError'); + }, + count: function count(element) { + var count = 0; + for (var i = 0; i < this.length; i++) { + if (this[i] === element) { + count++; + } + } + return count; + }, + index: function index(element) { + var i; + if ((i = this.indexOf(element)) === -1) { + throw new Error('ValueError'); + } + return i; + }, + find: function find(element) { + return this.indexOf(element); + }, + insert: function insert(index, elem) { + return this.splice(index, 0, elem); + } + }; + var OBJECT_MEMBERS = { + items: function items() { + return lib._entries(this); + }, + values: function values() { + return lib._values(this); + }, + keys: function keys() { + return lib.keys(this); + }, + get: function get(key, def) { + var output = this[key]; + if (output === undefined) { + output = def; + } + return output; + }, + has_key: function has_key(key) { + return hasOwnProp(this, key); + }, + pop: function pop(key, def) { + var output = this[key]; + if (output === undefined && def !== undefined) { + output = def; + } else if (output === undefined) { + throw new Error('KeyError'); + } else { + delete this[key]; + } + return output; + }, + popitem: function popitem() { + var keys = lib.keys(this); + if (!keys.length) { + throw new Error('KeyError'); + } + var k = keys[0]; + var val = this[k]; + delete this[k]; + return [k, val]; + }, + setdefault: function setdefault(key, def) { + if (def === void 0) { + def = null; + } + if (!(key in this)) { + this[key] = def; + } + return this[key]; + }, + update: function update(kwargs) { + lib._assign(this, kwargs); + return null; // Always returns None + } + }; + + OBJECT_MEMBERS.iteritems = OBJECT_MEMBERS.items; + OBJECT_MEMBERS.itervalues = OBJECT_MEMBERS.values; + OBJECT_MEMBERS.iterkeys = OBJECT_MEMBERS.keys; + runtime.memberLookup = function memberLookup(obj, val, autoescape) { + if (arguments.length === 4) { + return sliceLookup.apply(this, arguments); + } + obj = obj || {}; + + // If the object is an object, return any of the methods that Python would + // otherwise provide. + if (lib.isArray(obj) && hasOwnProp(ARRAY_MEMBERS, val)) { + return ARRAY_MEMBERS[val].bind(obj); + } + if (lib.isObject(obj) && hasOwnProp(OBJECT_MEMBERS, val)) { + return OBJECT_MEMBERS[val].bind(obj); + } + return orig_memberLookup.apply(this, arguments); + }; + return uninstall; +} +module.exports = installCompat;
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