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author | Minteck <contact@minteck.org> | 2022-08-21 17:31:56 +0200 |
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committer | Minteck <contact@minteck.org> | 2022-08-21 17:31:56 +0200 |
commit | a2df9a69dcc14cb70118cda2ded499055e7ee358 (patch) | |
tree | 6dd283e4e9452d38bce81ddaaae49b5335755842 /together/node_modules/mime/Mime.js | |
parent | 84dd0735820b16b60f600284d35183d76547a71f (diff) | |
download | pluralconnect-a2df9a69dcc14cb70118cda2ded499055e7ee358.tar.gz pluralconnect-a2df9a69dcc14cb70118cda2ded499055e7ee358.tar.bz2 pluralconnect-a2df9a69dcc14cb70118cda2ded499055e7ee358.zip |
m. update
Diffstat (limited to 'together/node_modules/mime/Mime.js')
-rw-r--r-- | together/node_modules/mime/Mime.js | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/together/node_modules/mime/Mime.js b/together/node_modules/mime/Mime.js new file mode 100644 index 0000000..969a66e --- /dev/null +++ b/together/node_modules/mime/Mime.js @@ -0,0 +1,97 @@ +'use strict'; + +/** + * @param typeMap [Object] Map of MIME type -> Array[extensions] + * @param ... + */ +function Mime() { + this._types = Object.create(null); + this._extensions = Object.create(null); + + for (let i = 0; i < arguments.length; i++) { + this.define(arguments[i]); + } + + this.define = this.define.bind(this); + this.getType = this.getType.bind(this); + this.getExtension = this.getExtension.bind(this); +} + +/** + * Define mimetype -> extension mappings. Each key is a mime-type that maps + * to an array of extensions associated with the type. The first extension is + * used as the default extension for the type. + * + * e.g. mime.define({'audio/ogg', ['oga', 'ogg', 'spx']}); + * + * If a type declares an extension that has already been defined, an error will + * be thrown. To suppress this error and force the extension to be associated + * with the new type, pass `force`=true. Alternatively, you may prefix the + * extension with "*" to map the type to extension, without mapping the + * extension to the type. + * + * e.g. mime.define({'audio/wav', ['wav']}, {'audio/x-wav', ['*wav']}); + * + * + * @param map (Object) type definitions + * @param force (Boolean) if true, force overriding of existing definitions + */ +Mime.prototype.define = function(typeMap, force) { + for (let type in typeMap) { + let extensions = typeMap[type].map(function(t) { + return t.toLowerCase(); + }); + type = type.toLowerCase(); + + for (let i = 0; i < extensions.length; i++) { + const ext = extensions[i]; + + // '*' prefix = not the preferred type for this extension. So fixup the + // extension, and skip it. + if (ext[0] === '*') { + continue; + } + + if (!force && (ext in this._types)) { + throw new Error( + 'Attempt to change mapping for "' + ext + + '" extension from "' + this._types[ext] + '" to "' + type + + '". Pass `force=true` to allow this, otherwise remove "' + ext + + '" from the list of extensions for "' + type + '".' + ); + } + + this._types[ext] = type; + } + + // Use first extension as default + if (force || !this._extensions[type]) { + const ext = extensions[0]; + this._extensions[type] = (ext[0] !== '*') ? ext : ext.substr(1); + } + } +}; + +/** + * Lookup a mime type based on extension + */ +Mime.prototype.getType = function(path) { + path = String(path); + let last = path.replace(/^.*[/\\]/, '').toLowerCase(); + let ext = last.replace(/^.*\./, '').toLowerCase(); + + let hasPath = last.length < path.length; + let hasDot = ext.length < last.length - 1; + + return (hasDot || !hasPath) && this._types[ext] || null; +}; + +/** + * Return file extension associated with a mime type + */ +Mime.prototype.getExtension = function(type) { + type = /^\s*([^;\s]*)/.test(type) && RegExp.$1; + return type && this._extensions[type.toLowerCase()] || null; +}; + +module.exports = Mime; |