From 67fdec20726e48ba3a934cb25bb30d47ec4a4f29 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Yaroslav=20De=20La=20Pe=C3=B1a=20Smirnov?= Date: Wed, 29 Nov 2017 11:44:34 +0300 Subject: Initial commit, version 0.5.3 --- node_modules/mime-types/index.js | 188 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 188 insertions(+) create mode 100644 node_modules/mime-types/index.js (limited to 'node_modules/mime-types/index.js') diff --git a/node_modules/mime-types/index.js b/node_modules/mime-types/index.js new file mode 100644 index 0000000..b9f34d5 --- /dev/null +++ b/node_modules/mime-types/index.js @@ -0,0 +1,188 @@ +/*! + * 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 + +/** + * 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) + +// 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() + .substr(1) + + if (!extension) { + return false + } + + return exports.types[extension] || false +} + +/** + * Populate the extensions and types maps. + * @private + */ + +function populateMaps (extensions, types) { + // source preference (least -> most) + var preference = ['nginx', 'apache', undefined, 'iana'] + + 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] + + if (types[extension]) { + var from = preference.indexOf(db[types[extension]].source) + var to = preference.indexOf(mime.source) + + if (types[extension] !== 'application/octet-stream' && + (from > to || (from === to && types[extension].substr(0, 12) === 'application/'))) { + // skip the remapping + continue + } + } + + // set the extension -> mime + types[extension] = type + } + }) +} -- cgit v1.2.3