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Viewing file:     Headers.js (12.05 KB)      -rw-r--r--

        "use strict";

        const conversions = require("webidl-conversions");
        const utils = require("./utils.js");
        
      const implSymbol = utils.implSymbol;
const ctorRegistrySymbol = utils.ctorRegistrySymbol;

      
      const interfaceName = "Headers";
    
        const IteratorPrototype = Object.create(utils.IteratorPrototype, {
          next: {
            value: function next() {
              const internal = this[utils.iterInternalSymbol];
              const { target, kind, index } = internal;
              const values = Array.from(target[implSymbol]);
              const len = values.length;
              if (index >= len) {
                return { value: undefined, done: true };
              }

              const pair = values[index];
              internal.index = index + 1;
              const [key, value] = pair.map(utils.tryWrapperForImpl);

              let result;
              switch (kind) {
                case "key":
                  result = key;
                  break;
                case "value":
                  result = value;
                  break;
                case "key+value":
                  result = [key, value];
                  break;
              }
              return { value: result, done: false };
            },
            writable: true,
            enumerable: true,
            configurable: true
          },
          [Symbol.toStringTag]: {
            value: "Headers Iterator",
            configurable: true
          }
        });
      
      exports.is = function is(obj) {
        return utils.isObject(obj) && utils.hasOwn(obj, implSymbol) && obj[implSymbol] instanceof Impl.implementation;
      };
      exports.isImpl = function isImpl(obj) {
        return utils.isObject(obj) && obj instanceof Impl.implementation;
      };
      exports.convert = function convert(obj, { context = "The provided value" } = {}) {
        if (exports.is(obj)) {
          return utils.implForWrapper(obj);
        }
        throw new TypeError(`${context} is not of type 'Headers'.`);
      };
    
        exports.createDefaultIterator = function createDefaultIterator(target, kind) {
          const iterator = Object.create(IteratorPrototype);
          Object.defineProperty(iterator, utils.iterInternalSymbol, {
            value: { target, kind, index: 0 },
            configurable: true
          });
          return iterator;
        };
      
      exports.create = function create(globalObject, constructorArgs, privateData) {
        if (globalObject[ctorRegistrySymbol] === undefined) {
          throw new Error('Internal error: invalid global object');
        }

        const ctor = globalObject[ctorRegistrySymbol]["Headers"];
        if (ctor === undefined) {
          throw new Error('Internal error: constructor Headers is not installed on the passed global object');
        }

        let obj = Object.create(ctor.prototype);
        obj = exports.setup(obj, globalObject, constructorArgs, privateData);
        return obj;
      };
      exports.createImpl = function createImpl(globalObject, constructorArgs, privateData) {
        const obj = exports.create(globalObject, constructorArgs, privateData);
        return utils.implForWrapper(obj);
      };
      exports._internalSetup = function _internalSetup(obj, globalObject) {
    
      };
      exports.setup = function setup(obj, globalObject, constructorArgs = [], privateData = {}) {
        privateData.wrapper = obj;

        exports._internalSetup(obj, globalObject);
        Object.defineProperty(obj, implSymbol, {
          value: new Impl.implementation(globalObject, constructorArgs, privateData),
          configurable: true
        });
    
        obj[implSymbol][utils.wrapperSymbol] = obj;
        if (Impl.init) {
          Impl.init(obj[implSymbol], privateData);
        }
        return obj;
      };
    
      exports.install = function install(globalObject) {
    class Headers {
        constructor() {
        const args = [];{ let curArg = arguments[0];
      if (curArg !== undefined) {
    if (utils.isObject(curArg)) {if (curArg[Symbol.iterator] !== undefined) {
      if (!utils.isObject(curArg)) {
        throw new TypeError("Failed to construct 'Headers': parameter 1" + " sequence" + " is not an iterable object.");
      } else {
        const V = [];
        const tmp = curArg;
        for (let nextItem of tmp) {
          
      if (!utils.isObject(nextItem)) {
        throw new TypeError("Failed to construct 'Headers': parameter 1" + " sequence" + "'s element" + " is not an iterable object.");
      } else {
        const V = [];
        const tmp = nextItem;
        for (let nextItem of tmp) {
          
        nextItem = conversions["ByteString"](nextItem, { context: "Failed to construct 'Headers': parameter 1" + " sequence" + "'s element" + "'s element", });
      
          V.push(nextItem);
        }
        nextItem = V;
      }
    
          V.push(nextItem);
        }
        curArg = V;
      }
    } else {
      if (!utils.isObject(curArg)) {
        throw new TypeError("Failed to construct 'Headers': parameter 1" + " record" + " is not an object.");
      } else {
        const result = Object.create(null);
        for (const key of Reflect.ownKeys(curArg)) {
          const desc = Object.getOwnPropertyDescriptor(curArg, key);
          if (desc && desc.enumerable) {
            let typedKey = key;
            
        typedKey = conversions["ByteString"](typedKey, { context: "Failed to construct 'Headers': parameter 1" + " record" + "'s key", });
      

            let typedValue = curArg[key];
            
        typedValue = conversions["ByteString"](typedValue, { context: "Failed to construct 'Headers': parameter 1" + " record" + "'s value", });
      
            result[typedKey] = typedValue;
          }
        }
        curArg = result;
      }
    }} else {throw new TypeError("Failed to construct 'Headers': parameter 1" + " is not of any supported type.")}}args.push(curArg);}
        return exports.setup(Object.create(new.target.prototype), globalObject, args);
      }
      
        append(name, value) {
        const esValue = this !== null && this !== undefined ? this : globalObject;
        if (!exports.is(esValue)) {
          throw new TypeError("Illegal invocation");
        }
      
        if (arguments.length < 2) {
          throw new TypeError("Failed to execute 'append' on 'Headers': 2 arguments required, but only " + arguments.length +
                              " present.");
        }
      const args = [];{ let curArg = arguments[0];
        curArg = conversions["ByteString"](curArg, { context: "Failed to execute 'append' on 'Headers': parameter 1", });
      args.push(curArg);}{ let curArg = arguments[1];
        curArg = conversions["ByteString"](curArg, { context: "Failed to execute 'append' on 'Headers': parameter 2", });
      args.push(curArg);}
        return esValue[implSymbol].append(...args);
      }
      
        delete(name) {
        const esValue = this !== null && this !== undefined ? this : globalObject;
        if (!exports.is(esValue)) {
          throw new TypeError("Illegal invocation");
        }
      
        if (arguments.length < 1) {
          throw new TypeError("Failed to execute 'delete' on 'Headers': 1 argument required, but only " + arguments.length +
                              " present.");
        }
      const args = [];{ let curArg = arguments[0];
        curArg = conversions["ByteString"](curArg, { context: "Failed to execute 'delete' on 'Headers': parameter 1", });
      args.push(curArg);}
        return esValue[implSymbol].delete(...args);
      }
      
        get(name) {
        const esValue = this !== null && this !== undefined ? this : globalObject;
        if (!exports.is(esValue)) {
          throw new TypeError("Illegal invocation");
        }
      
        if (arguments.length < 1) {
          throw new TypeError("Failed to execute 'get' on 'Headers': 1 argument required, but only " + arguments.length +
                              " present.");
        }
      const args = [];{ let curArg = arguments[0];
        curArg = conversions["ByteString"](curArg, { context: "Failed to execute 'get' on 'Headers': parameter 1", });
      args.push(curArg);}
        return esValue[implSymbol].get(...args);
      }
      
        has(name) {
        const esValue = this !== null && this !== undefined ? this : globalObject;
        if (!exports.is(esValue)) {
          throw new TypeError("Illegal invocation");
        }
      
        if (arguments.length < 1) {
          throw new TypeError("Failed to execute 'has' on 'Headers': 1 argument required, but only " + arguments.length +
                              " present.");
        }
      const args = [];{ let curArg = arguments[0];
        curArg = conversions["ByteString"](curArg, { context: "Failed to execute 'has' on 'Headers': parameter 1", });
      args.push(curArg);}
        return esValue[implSymbol].has(...args);
      }
      
        set(name, value) {
        const esValue = this !== null && this !== undefined ? this : globalObject;
        if (!exports.is(esValue)) {
          throw new TypeError("Illegal invocation");
        }
      
        if (arguments.length < 2) {
          throw new TypeError("Failed to execute 'set' on 'Headers': 2 arguments required, but only " + arguments.length +
                              " present.");
        }
      const args = [];{ let curArg = arguments[0];
        curArg = conversions["ByteString"](curArg, { context: "Failed to execute 'set' on 'Headers': parameter 1", });
      args.push(curArg);}{ let curArg = arguments[1];
        curArg = conversions["ByteString"](curArg, { context: "Failed to execute 'set' on 'Headers': parameter 2", });
      args.push(curArg);}
        return esValue[implSymbol].set(...args);
      }
      
        keys() {
      if (!this || !exports.is(this)) {
        throw new TypeError("Illegal invocation");
      }
      return exports.createDefaultIterator(this, "key");
    }
      
        values() {
      if (!this || !exports.is(this)) {
        throw new TypeError("Illegal invocation");
      }
      return exports.createDefaultIterator(this, "value");
    }
      
        entries() {
      if (!this || !exports.is(this)) {
        throw new TypeError("Illegal invocation");
      }
      return exports.createDefaultIterator(this, "key+value");
    }
      
        forEach(callback) {
        if (!this || !exports.is(this)) {
          throw new TypeError("Illegal invocation");
        }
        if (arguments.length < 1) {
          throw new TypeError("Failed to execute 'forEach' on 'iterable': 1 argument required, " +
                              "but only 0 present.");
        }
        if (typeof callback !== "function") {
          throw new TypeError("Failed to execute 'forEach' on 'iterable': The callback provided " +
                              "as parameter 1 is not a function.");
        }
        const thisArg = arguments[1];
        let pairs = Array.from(this[implSymbol]);
        let i = 0;
        while (i < pairs.length) {
          const [key, value] = pairs[i].map(utils.tryWrapperForImpl);
          callback.call(thisArg, value, key, this);
          pairs = Array.from(this[implSymbol]);
          i++;
        }
      }
      }Object.defineProperties(Headers.prototype, { append: { enumerable: true }, delete: { enumerable: true }, get: { enumerable: true }, has: { enumerable: true }, set: { enumerable: true }, keys: { enumerable: true }, values: { enumerable: true }, entries: { enumerable: true }, forEach: { enumerable: true }, [Symbol.toStringTag]: { value: "Headers", configurable: true }, [Symbol.iterator]: { value: Headers.prototype.entries, configurable: true, writable: true } });
        if (globalObject[ctorRegistrySymbol] === undefined) {
          globalObject[ctorRegistrySymbol] = Object.create(null);
        }
        globalObject[ctorRegistrySymbol][interfaceName] = Headers;

        Object.defineProperty(globalObject, interfaceName, {
          configurable: true,
          writable: true,
          value: Headers
        });
      };
    
    
        const Impl = require("../fetch/Headers-impl.js");