diff options
author | grant-kun <[email protected]> | 2022-09-26 11:31:02 -0500 |
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committer | GitHub <[email protected]> | 2022-09-26 11:31:02 -0500 |
commit | 4b237cd7f3d9ebffdfc60d987c4df3c2595c3b7c (patch) | |
tree | 1176d127cdedb18918ef8a3d728737c9937af486 /node_modules/type-is/index.js | |
parent | ef9d69cee87c45fc4507780a891591cc31ec5481 (diff) |
Delete node_modules directory
Diffstat (limited to 'node_modules/type-is/index.js')
-rw-r--r-- | node_modules/type-is/index.js | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/node_modules/type-is/index.js b/node_modules/type-is/index.js deleted file mode 100644 index 890ad76..0000000 --- a/node_modules/type-is/index.js +++ /dev/null @@ -1,266 +0,0 @@ -/*! - * type-is - * Copyright(c) 2014 Jonathan Ong - * Copyright(c) 2014-2015 Douglas Christopher Wilson - * MIT Licensed - */ - -'use strict' - -/** - * Module dependencies. - * @private - */ - -var typer = require('media-typer') -var mime = require('mime-types') - -/** - * Module exports. - * @public - */ - -module.exports = typeofrequest -module.exports.is = typeis -module.exports.hasBody = hasbody -module.exports.normalize = normalize -module.exports.match = mimeMatch - -/** - * Compare a `value` content-type with `types`. - * Each `type` can be an extension like `html`, - * a special shortcut like `multipart` or `urlencoded`, - * or a mime type. - * - * If no types match, `false` is returned. - * Otherwise, the first `type` that matches is returned. - * - * @param {String} value - * @param {Array} types - * @public - */ - -function typeis (value, types_) { - var i - var types = types_ - - // remove parameters and normalize - var val = tryNormalizeType(value) - - // no type or invalid - if (!val) { - return false - } - - // support flattened arguments - if (types && !Array.isArray(types)) { - types = new Array(arguments.length - 1) - for (i = 0; i < types.length; i++) { - types[i] = arguments[i + 1] - } - } - - // no types, return the content type - if (!types || !types.length) { - return val - } - - var type - for (i = 0; i < types.length; i++) { - if (mimeMatch(normalize(type = types[i]), val)) { - return type[0] === '+' || type.indexOf('*') !== -1 - ? val - : type - } - } - - // no matches - return false -} - -/** - * Check if a request has a request body. - * A request with a body __must__ either have `transfer-encoding` - * or `content-length` headers set. - * http://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html#sec4.3 - * - * @param {Object} request - * @return {Boolean} - * @public - */ - -function hasbody (req) { - return req.headers['transfer-encoding'] !== undefined || - !isNaN(req.headers['content-length']) -} - -/** - * Check if the incoming request contains the "Content-Type" - * header field, and it contains any of the give mime `type`s. - * If there is no request body, `null` is returned. - * If there is no content type, `false` is returned. - * Otherwise, it returns the first `type` that matches. - * - * Examples: - * - * // With Content-Type: text/html; charset=utf-8 - * this.is('html'); // => 'html' - * this.is('text/html'); // => 'text/html' - * this.is('text/*', 'application/json'); // => 'text/html' - * - * // When Content-Type is application/json - * this.is('json', 'urlencoded'); // => 'json' - * this.is('application/json'); // => 'application/json' - * this.is('html', 'application/*'); // => 'application/json' - * - * this.is('html'); // => false - * - * @param {String|Array} types... - * @return {String|false|null} - * @public - */ - -function typeofrequest (req, types_) { - var types = types_ - - // no body - if (!hasbody(req)) { - return null - } - - // support flattened arguments - if (arguments.length > 2) { - types = new Array(arguments.length - 1) - for (var i = 0; i < types.length; i++) { - types[i] = arguments[i + 1] - } - } - - // request content type - var value = req.headers['content-type'] - - return typeis(value, types) -} - -/** - * Normalize a mime type. - * If it's a shorthand, expand it to a valid mime type. - * - * In general, you probably want: - * - * var type = is(req, ['urlencoded', 'json', 'multipart']); - * - * Then use the appropriate body parsers. - * These three are the most common request body types - * and are thus ensured to work. - * - * @param {String} type - * @private - */ - -function normalize (type) { - if (typeof type !== 'string') { - // invalid type - return false - } - - switch (type) { - case 'urlencoded': - return 'application/x-www-form-urlencoded' - case 'multipart': - return 'multipart/*' - } - - if (type[0] === '+') { - // "+json" -> "*/*+json" expando - return '*/*' + type - } - - return type.indexOf('/') === -1 - ? mime.lookup(type) - : type -} - -/** - * Check if `expected` mime type - * matches `actual` mime type with - * wildcard and +suffix support. - * - * @param {String} expected - * @param {String} actual - * @return {Boolean} - * @private - */ - -function mimeMatch (expected, actual) { - // invalid type - if (expected === false) { - return false - } - - // split types - var actualParts = actual.split('/') - var expectedParts = expected.split('/') - - // invalid format - if (actualParts.length !== 2 || expectedParts.length !== 2) { - return false - } - - // validate type - if (expectedParts[0] !== '*' && expectedParts[0] !== actualParts[0]) { - return false - } - - // validate suffix wildcard - if (expectedParts[1].substr(0, 2) === '*+') { - return expectedParts[1].length <= actualParts[1].length + 1 && - expectedParts[1].substr(1) === actualParts[1].substr(1 - expectedParts[1].length) - } - - // validate subtype - if (expectedParts[1] !== '*' && expectedParts[1] !== actualParts[1]) { - return false - } - - return true -} - -/** - * Normalize a type and remove parameters. - * - * @param {string} value - * @return {string} - * @private - */ - -function normalizeType (value) { - // parse the type - var type = typer.parse(value) - - // remove the parameters - type.parameters = undefined - - // reformat it - return typer.format(type) -} - -/** - * Try to normalize a type and remove parameters. - * - * @param {string} value - * @return {string} - * @private - */ - -function tryNormalizeType (value) { - if (!value) { - return null - } - - try { - return normalizeType(value) - } catch (err) { - return null - } -} |