whatwg-mimetype-umd

Code - github/jsdom/whatwg-mimetype

Tính đến 30-01-2024. Xem phiên bản mới nhất.

Script này sẽ không được không được cài đặt trực tiếp. Nó là một thư viện cho các script khác để bao gồm các chỉ thị meta // @require https://update.greatest.deepsurf.us/scripts/486089/1320060/whatwg-mimetype-umd.js

// ==UserScript==
// @name          whatwg-mimetype-umd
// @namespace     flomk.userscripts
// @version       4.0.0
// @description   Code - github/jsdom/whatwg-mimetype
// @match         *
// @license       MIT
// ==/UserScript==

(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.whatwgMimetype = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
    "use strict";
    const {
      asciiLowercase,
      solelyContainsHTTPTokenCodePoints,
      soleyContainsHTTPQuotedStringTokenCodePoints
    } = require("./utils.js");
    
    module.exports = class MIMETypeParameters {
      constructor(map) {
        this._map = map;
      }
    
      get size() {
        return this._map.size;
      }
    
      get(name) {
        name = asciiLowercase(String(name));
        return this._map.get(name);
      }
    
      has(name) {
        name = asciiLowercase(String(name));
        return this._map.has(name);
      }
    
      set(name, value) {
        name = asciiLowercase(String(name));
        value = String(value);
    
        if (!solelyContainsHTTPTokenCodePoints(name)) {
          throw new Error(`Invalid MIME type parameter name "${name}": only HTTP token code points are valid.`);
        }
        if (!soleyContainsHTTPQuotedStringTokenCodePoints(value)) {
          throw new Error(`Invalid MIME type parameter value "${value}": only HTTP quoted-string token code points are ` +
                          `valid.`);
        }
    
        return this._map.set(name, value);
      }
    
      clear() {
        this._map.clear();
      }
    
      delete(name) {
        name = asciiLowercase(String(name));
        return this._map.delete(name);
      }
    
      forEach(callbackFn, thisArg) {
        this._map.forEach(callbackFn, thisArg);
      }
    
      keys() {
        return this._map.keys();
      }
    
      values() {
        return this._map.values();
      }
    
      entries() {
        return this._map.entries();
      }
    
      [Symbol.iterator]() {
        return this._map[Symbol.iterator]();
      }
    };
    
    },{"./utils.js":4}],2:[function(require,module,exports){
    "use strict";
    const {
      removeLeadingAndTrailingHTTPWhitespace,
      removeTrailingHTTPWhitespace,
      isHTTPWhitespaceChar,
      solelyContainsHTTPTokenCodePoints,
      soleyContainsHTTPQuotedStringTokenCodePoints,
      asciiLowercase,
      collectAnHTTPQuotedString
    } = require("./utils.js");
    
    module.exports = input => {
      input = removeLeadingAndTrailingHTTPWhitespace(input);
    
      let position = 0;
      let type = "";
      while (position < input.length && input[position] !== "/") {
        type += input[position];
        ++position;
      }
    
      if (type.length === 0 || !solelyContainsHTTPTokenCodePoints(type)) {
        return null;
      }
    
      if (position >= input.length) {
        return null;
      }
    
      // Skips past "/"
      ++position;
    
      let subtype = "";
      while (position < input.length && input[position] !== ";") {
        subtype += input[position];
        ++position;
      }
    
      subtype = removeTrailingHTTPWhitespace(subtype);
    
      if (subtype.length === 0 || !solelyContainsHTTPTokenCodePoints(subtype)) {
        return null;
      }
    
      const mimeType = {
        type: asciiLowercase(type),
        subtype: asciiLowercase(subtype),
        parameters: new Map()
      };
    
      while (position < input.length) {
        // Skip past ";"
        ++position;
    
        while (isHTTPWhitespaceChar(input[position])) {
          ++position;
        }
    
        let parameterName = "";
        while (position < input.length && input[position] !== ";" && input[position] !== "=") {
          parameterName += input[position];
          ++position;
        }
        parameterName = asciiLowercase(parameterName);
    
        if (position < input.length) {
          if (input[position] === ";") {
            continue;
          }
    
          // Skip past "="
          ++position;
        }
    
        let parameterValue = null;
        if (input[position] === "\"") {
          [parameterValue, position] = collectAnHTTPQuotedString(input, position);
    
          while (position < input.length && input[position] !== ";") {
            ++position;
          }
        } else {
          parameterValue = "";
          while (position < input.length && input[position] !== ";") {
            parameterValue += input[position];
            ++position;
          }
    
          parameterValue = removeTrailingHTTPWhitespace(parameterValue);
    
          if (parameterValue === "") {
            continue;
          }
        }
    
        if (parameterName.length > 0 &&
            solelyContainsHTTPTokenCodePoints(parameterName) &&
            soleyContainsHTTPQuotedStringTokenCodePoints(parameterValue) &&
            !mimeType.parameters.has(parameterName)) {
          mimeType.parameters.set(parameterName, parameterValue);
        }
      }
    
      return mimeType;
    };
    
    },{"./utils.js":4}],3:[function(require,module,exports){
    "use strict";
    const { solelyContainsHTTPTokenCodePoints } = require("./utils.js");
    
    module.exports = mimeType => {
      let serialization = `${mimeType.type}/${mimeType.subtype}`;
    
      if (mimeType.parameters.size === 0) {
        return serialization;
      }
    
      for (let [name, value] of mimeType.parameters) {
        serialization += ";";
        serialization += name;
        serialization += "=";
    
        if (!solelyContainsHTTPTokenCodePoints(value) || value.length === 0) {
          value = value.replace(/(["\\])/ug, "\\$1");
          value = `"${value}"`;
        }
    
        serialization += value;
      }
    
      return serialization;
    };
    
    },{"./utils.js":4}],4:[function(require,module,exports){
    "use strict";
    
    exports.removeLeadingAndTrailingHTTPWhitespace = string => {
      return string.replace(/^[ \t\n\r]+/u, "").replace(/[ \t\n\r]+$/u, "");
    };
    
    exports.removeTrailingHTTPWhitespace = string => {
      return string.replace(/[ \t\n\r]+$/u, "");
    };
    
    exports.isHTTPWhitespaceChar = char => {
      return char === " " || char === "\t" || char === "\n" || char === "\r";
    };
    
    exports.solelyContainsHTTPTokenCodePoints = string => {
      return /^[-!#$%&'*+.^_`|~A-Za-z0-9]*$/u.test(string);
    };
    
    exports.soleyContainsHTTPQuotedStringTokenCodePoints = string => {
      return /^[\t\u0020-\u007E\u0080-\u00FF]*$/u.test(string);
    };
    
    exports.asciiLowercase = string => {
      return string.replace(/[A-Z]/ug, l => l.toLowerCase());
    };
    
    // This variant only implements it with the extract-value flag set.
    exports.collectAnHTTPQuotedString = (input, position) => {
      let value = "";
    
      position++;
    
      while (true) {
        while (position < input.length && input[position] !== "\"" && input[position] !== "\\") {
          value += input[position];
          ++position;
        }
    
        if (position >= input.length) {
          break;
        }
    
        const quoteOrBackslash = input[position];
        ++position;
    
        if (quoteOrBackslash === "\\") {
          if (position >= input.length) {
            value += "\\";
            break;
          }
    
          value += input[position];
          ++position;
        } else {
          break;
        }
      }
    
      return [value, position];
    };
    
    },{}],"whatwg-mimetype":[function(require,module,exports){
    "use strict";
    const MIMETypeParameters = require("./mime-type-parameters.js");
    const parse = require("./parser.js");
    const serialize = require("./serializer.js");
    const {
      asciiLowercase,
      solelyContainsHTTPTokenCodePoints
    } = require("./utils.js");
    
    module.exports = class MIMEType {
      constructor(string) {
        string = String(string);
        const result = parse(string);
        if (result === null) {
          throw new Error(`Could not parse MIME type string "${string}"`);
        }
    
        this._type = result.type;
        this._subtype = result.subtype;
        this._parameters = new MIMETypeParameters(result.parameters);
      }
    
      static parse(string) {
        try {
          return new this(string);
        } catch (e) {
          return null;
        }
      }
    
      get essence() {
        return `${this.type}/${this.subtype}`;
      }
    
      get type() {
        return this._type;
      }
    
      set type(value) {
        value = asciiLowercase(String(value));
    
        if (value.length === 0) {
          throw new Error("Invalid type: must be a non-empty string");
        }
        if (!solelyContainsHTTPTokenCodePoints(value)) {
          throw new Error(`Invalid type ${value}: must contain only HTTP token code points`);
        }
    
        this._type = value;
      }
    
      get subtype() {
        return this._subtype;
      }
    
      set subtype(value) {
        value = asciiLowercase(String(value));
    
        if (value.length === 0) {
          throw new Error("Invalid subtype: must be a non-empty string");
        }
        if (!solelyContainsHTTPTokenCodePoints(value)) {
          throw new Error(`Invalid subtype ${value}: must contain only HTTP token code points`);
        }
    
        this._subtype = value;
      }
    
      get parameters() {
        return this._parameters;
      }
    
      toString() {
        // The serialize function works on both "MIME type records" (i.e. the results of parse) and on this class, since
        // this class's interface is identical.
        return serialize(this);
      }
    
      isJavaScript({ prohibitParameters = false } = {}) {
        switch (this._type) {
          case "text": {
            switch (this._subtype) {
              case "ecmascript":
              case "javascript":
              case "javascript1.0":
              case "javascript1.1":
              case "javascript1.2":
              case "javascript1.3":
              case "javascript1.4":
              case "javascript1.5":
              case "jscript":
              case "livescript":
              case "x-ecmascript":
              case "x-javascript": {
                return !prohibitParameters || this._parameters.size === 0;
              }
              default: {
                return false;
              }
            }
          }
          case "application": {
            switch (this._subtype) {
              case "ecmascript":
              case "javascript":
              case "x-ecmascript":
              case "x-javascript": {
                return !prohibitParameters || this._parameters.size === 0;
              }
              default: {
                return false;
              }
            }
          }
          default: {
            return false;
          }
        }
      }
      isXML() {
        return (this._subtype === "xml" && (this._type === "text" || this._type === "application")) ||
               this._subtype.endsWith("+xml");
      }
      isHTML() {
        return this._subtype === "html" && this._type === "text";
      }
    };
    
    },{"./mime-type-parameters.js":1,"./parser.js":2,"./serializer.js":3,"./utils.js":4}]},{},[])("whatwg-mimetype")
});