| "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 = value => { |
| return utils.isObject(value) && utils.hasOwn(value, implSymbol) && value[implSymbol] instanceof Impl.implementation; |
| }; |
| exports.isImpl = value => { |
| return utils.isObject(value) && value instanceof Impl.implementation; |
| }; |
| exports.convert = (value, { context = "The provided value" } = {}) => { |
| if (exports.is(value)) { |
| return utils.implForWrapper(value); |
| } |
| throw new TypeError(`${context} is not of type 'Headers'.`); |
| }; |
| |
| exports.createDefaultIterator = (target, kind) => { |
| const iterator = Object.create(IteratorPrototype); |
| Object.defineProperty(iterator, utils.iterInternalSymbol, { |
| value: { target, kind, index: 0 }, |
| configurable: true |
| }); |
| return iterator; |
| }; |
| |
| function makeWrapper(globalObject) { |
| 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"); |
| } |
| |
| return Object.create(ctor.prototype); |
| } |
| |
| exports.create = (globalObject, constructorArgs, privateData) => { |
| const wrapper = makeWrapper(globalObject); |
| return exports.setup(wrapper, globalObject, constructorArgs, privateData); |
| }; |
| |
| exports.createImpl = (globalObject, constructorArgs, privateData) => { |
| const wrapper = exports.create(globalObject, constructorArgs, privateData); |
| return utils.implForWrapper(wrapper); |
| }; |
| |
| exports._internalSetup = (wrapper, globalObject) => {}; |
| |
| exports.setup = (wrapper, globalObject, constructorArgs = [], privateData = {}) => { |
| privateData.wrapper = wrapper; |
| |
| exports._internalSetup(wrapper, globalObject); |
| Object.defineProperty(wrapper, implSymbol, { |
| value: new Impl.implementation(globalObject, constructorArgs, privateData), |
| configurable: true |
| }); |
| |
| wrapper[implSymbol][utils.wrapperSymbol] = wrapper; |
| if (Impl.init) { |
| Impl.init(wrapper[implSymbol]); |
| } |
| return wrapper; |
| }; |
| |
| exports.new = globalObject => { |
| const wrapper = makeWrapper(globalObject); |
| |
| exports._internalSetup(wrapper, globalObject); |
| Object.defineProperty(wrapper, implSymbol, { |
| value: Object.create(Impl.implementation.prototype), |
| configurable: true |
| }); |
| |
| wrapper[implSymbol][utils.wrapperSymbol] = wrapper; |
| if (Impl.init) { |
| Impl.init(wrapper[implSymbol]); |
| } |
| return wrapper[implSymbol]; |
| }; |
| |
| const exposed = new Set(["Window", "Worker"]); |
| |
| exports.install = (globalObject, globalNames) => { |
| if (!globalNames.some(globalName => exposed.has(globalName))) { |
| return; |
| } |
| 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"); |