jsdom
Version:
A JavaScript implementation of many web standards
191 lines (163 loc) • 6.03 kB
JavaScript
;
const conversions = require("webidl-conversions");
const utils = require("./utils.js");
const TextDecoderOptions = require("./TextDecoderOptions.js");
const TextDecodeOptions = require("./TextDecodeOptions.js");
const ctorRegistrySymbol = utils.ctorRegistrySymbol;
const interfaceName = "TextDecoder";
const $interfaceDescriptor = utils.createInterfaceDescriptor();
exports.interfaceDescriptor = $interfaceDescriptor;
function $requireImpl(wrapper, globalObject, context) {
return utils.requireImplForWrapper(wrapper, $interfaceDescriptor, globalObject, interfaceName, context);
}
exports.is = value => {
return utils.implForWrapperWithInterface(value, $interfaceDescriptor) !== null;
};
exports.isImpl = value => {
return utils.isObject(value) && value instanceof Impl.implementation;
};
exports.convert = (globalObject, value, { context = "The provided value" } = {}) => {
const impl = utils.implForWrapperWithInterface(value, $interfaceDescriptor);
if (impl !== null) {
return impl;
}
throw new globalObject.TypeError(`${context} is not of type 'TextDecoder'.`);
};
function makeWrapper(globalObject, newTarget) {
let proto;
if (newTarget !== undefined) {
proto = newTarget.prototype;
}
if (!utils.isObject(proto)) {
proto = globalObject[ctorRegistrySymbol]["TextDecoder"].prototype;
}
return Object.create(proto);
}
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);
const impl = new Impl.implementation(globalObject, constructorArgs, privateData);
utils.registerWrapper(wrapper, impl, $interfaceDescriptor);
impl[utils.wrapperSymbol] = wrapper;
if (Impl.init) {
Impl.init(impl);
}
return wrapper;
};
exports.new = (globalObject, newTarget) => {
const wrapper = makeWrapper(globalObject, newTarget);
exports._internalSetup(wrapper, globalObject);
const impl = Object.create(Impl.implementation.prototype);
utils.registerWrapper(wrapper, impl, $interfaceDescriptor);
impl[utils.wrapperSymbol] = wrapper;
if (Impl.init) {
Impl.init(impl);
}
return impl;
};
const exposed = new Set(["Window"]);
exports.install = (globalObject, globalNames) => {
if (!globalNames.some(globalName => exposed.has(globalName))) {
return;
}
const ctorRegistry = utils.initCtorRegistry(globalObject);
class TextDecoder {
constructor() {
const args = [];
{
let curArg = arguments[0];
if (curArg !== undefined) {
curArg = conversions["DOMString"](curArg, {
context: "Failed to construct 'TextDecoder': parameter 1",
globals: globalObject
});
} else {
curArg = "utf-8";
}
args.push(curArg);
}
{
let curArg = arguments[1];
curArg = TextDecoderOptions.convert(globalObject, curArg, {
context: "Failed to construct 'TextDecoder': parameter 2"
});
args.push(curArg);
}
return exports.setup(Object.create(new.target.prototype), globalObject, args);
}
decode() {
const $impl = $requireImpl(this ?? globalObject, globalObject, "decode");
const args = [];
{
let curArg = arguments[0];
if (curArg !== undefined) {
if (utils.isArrayBuffer(curArg)) {
curArg = conversions["ArrayBuffer"](curArg, {
context: "Failed to execute 'decode' on 'TextDecoder': parameter 1",
globals: globalObject
});
} else if (utils.isSharedArrayBuffer(curArg)) {
curArg = conversions["SharedArrayBuffer"](curArg, {
context: "Failed to execute 'decode' on 'TextDecoder': parameter 1",
globals: globalObject
});
} else if (ArrayBuffer.isView(curArg)) {
curArg = conversions["ArrayBufferView"](curArg, {
context: "Failed to execute 'decode' on 'TextDecoder': parameter 1",
globals: globalObject,
allowShared: true
});
} else {
throw new globalObject.TypeError(
"Failed to execute 'decode' on 'TextDecoder': parameter 1" + " is not of any supported type."
);
}
}
args.push(curArg);
}
{
let curArg = arguments[1];
curArg = TextDecodeOptions.convert(globalObject, curArg, {
context: "Failed to execute 'decode' on 'TextDecoder': parameter 2"
});
args.push(curArg);
}
return $impl.decode(...args);
}
get encoding() {
const $impl = $requireImpl(this ?? globalObject, globalObject, "get encoding");
return $impl["encoding"];
}
get fatal() {
const $impl = $requireImpl(this ?? globalObject, globalObject, "get fatal");
return $impl["fatal"];
}
get ignoreBOM() {
const $impl = $requireImpl(this ?? globalObject, globalObject, "get ignoreBOM");
return $impl["ignoreBOM"];
}
}
Object.defineProperties(TextDecoder.prototype, {
decode: { enumerable: true },
encoding: { enumerable: true },
fatal: { enumerable: true },
ignoreBOM: { enumerable: true },
[Symbol.toStringTag]: { value: "TextDecoder", configurable: true }
});
ctorRegistry[interfaceName] = TextDecoder;
Object.defineProperty(globalObject, interfaceName, {
configurable: true,
writable: true,
value: TextDecoder
});
};
const Impl = require("../../jsdom/living/encoding/TextDecoder-impl.js");