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| 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/mime-types/index.js | |
| parent | 53d6ae2b5568437afa5e4995580a3fb679b7b91b (diff) | |
Changed from static to 11ty!
Diffstat (limited to 'node_modules/mime-types/index.js')
| -rw-r--r-- | node_modules/mime-types/index.js | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/node_modules/mime-types/index.js b/node_modules/mime-types/index.js new file mode 100644 index 0000000..c348cb6 --- /dev/null +++ b/node_modules/mime-types/index.js @@ -0,0 +1,211 @@ +/*! + * mime-types + * Copyright(c) 2014 Jonathan Ong + * Copyright(c) 2015 Douglas Christopher Wilson + * MIT Licensed + */ + +'use strict' + +/** + * Module dependencies. + * @private + */ + +var db = require('mime-db') +var extname = require('path').extname +var mimeScore = require('./mimeScore') + +/** + * Module variables. + * @private + */ + +var EXTRACT_TYPE_REGEXP = /^\s*([^;\s]*)(?:;|\s|$)/ +var TEXT_TYPE_REGEXP = /^text\//i + +/** + * Module exports. + * @public + */ + +exports.charset = charset +exports.charsets = { lookup: charset } +exports.contentType = contentType +exports.extension = extension +exports.extensions = Object.create(null) +exports.lookup = lookup +exports.types = Object.create(null) +exports._extensionConflicts = [] + +// Populate the extensions/types maps +populateMaps(exports.extensions, exports.types) + +/** + * Get the default charset for a MIME type. + * + * @param {string} type + * @return {boolean|string} + */ + +function charset (type) { + if (!type || typeof type !== 'string') { + return false + } + + // TODO: use media-typer + var match = EXTRACT_TYPE_REGEXP.exec(type) + var mime = match && db[match[1].toLowerCase()] + + if (mime && mime.charset) { + return mime.charset + } + + // default text/* to utf-8 + if (match && TEXT_TYPE_REGEXP.test(match[1])) { + return 'UTF-8' + } + + return false +} + +/** + * Create a full Content-Type header given a MIME type or extension. + * + * @param {string} str + * @return {boolean|string} + */ + +function contentType (str) { + // TODO: should this even be in this module? + if (!str || typeof str !== 'string') { + return false + } + + var mime = str.indexOf('/') === -1 ? exports.lookup(str) : str + + if (!mime) { + return false + } + + // TODO: use content-type or other module + if (mime.indexOf('charset') === -1) { + var charset = exports.charset(mime) + if (charset) mime += '; charset=' + charset.toLowerCase() + } + + return mime +} + +/** + * Get the default extension for a MIME type. + * + * @param {string} type + * @return {boolean|string} + */ + +function extension (type) { + if (!type || typeof type !== 'string') { + return false + } + + // TODO: use media-typer + var match = EXTRACT_TYPE_REGEXP.exec(type) + + // get extensions + var exts = match && exports.extensions[match[1].toLowerCase()] + + if (!exts || !exts.length) { + return false + } + + return exts[0] +} + +/** + * Lookup the MIME type for a file path/extension. + * + * @param {string} path + * @return {boolean|string} + */ + +function lookup (path) { + if (!path || typeof path !== 'string') { + return false + } + + // get the extension ("ext" or ".ext" or full path) + var extension = extname('x.' + path) + .toLowerCase() + .slice(1) + + if (!extension) { + return false + } + + return exports.types[extension] || false +} + +/** + * Populate the extensions and types maps. + * @private + */ + +function populateMaps (extensions, types) { + Object.keys(db).forEach(function forEachMimeType (type) { + var mime = db[type] + var exts = mime.extensions + + if (!exts || !exts.length) { + return + } + + // mime -> extensions + extensions[type] = exts + + // extension -> mime + for (var i = 0; i < exts.length; i++) { + var extension = exts[i] + types[extension] = _preferredType(extension, types[extension], type) + + // DELETE (eventually): Capture extension->type maps that change as a + // result of switching to mime-score. This is just to help make reviewing + // PR #119 easier, and can be removed once that PR is approved. + const legacyType = _preferredTypeLegacy( + extension, + types[extension], + type + ) + if (legacyType !== types[extension]) { + exports._extensionConflicts.push([extension, legacyType, types[extension]]) + } + } + }) +} + +// Resolve type conflict using mime-score +function _preferredType (ext, type0, type1) { + var score0 = type0 ? mimeScore(type0, db[type0].source) : 0 + var score1 = type1 ? mimeScore(type1, db[type1].source) : 0 + + return score0 > score1 ? type0 : type1 +} + +// Resolve type conflict using pre-mime-score logic +function _preferredTypeLegacy (ext, type0, type1) { + var SOURCE_RANK = ['nginx', 'apache', undefined, 'iana'] + + var score0 = type0 ? SOURCE_RANK.indexOf(db[type0].source) : 0 + var score1 = type1 ? SOURCE_RANK.indexOf(db[type1].source) : 0 + + if ( + exports.types[extension] !== 'application/octet-stream' && + (score0 > score1 || + (score0 === score1 && + exports.types[extension]?.slice(0, 12) === 'application/')) + ) { + return type0 + } + + return score0 > score1 ? type0 : type1 +} |
