jsdom/lib/generated/idl/DOMStringMap.js

A JavaScript implementation of many web standards

"use strict";

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

const ceReactionsPreSteps_jsdom_living_helpers_custom_elements =
  require("../../jsdom/living/helpers/custom-elements.js").ceReactionsPreSteps;
const ceReactionsPostSteps_jsdom_living_helpers_custom_elements =
  require("../../jsdom/living/helpers/custom-elements.js").ceReactionsPostSteps;
const ctorRegistrySymbol = utils.ctorRegistrySymbol;

const interfaceName = "DOMStringMap";

const $interfaceDescriptor = utils.createInterfaceDescriptor();
exports.interfaceDescriptor = $interfaceDescriptor;

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 'DOMStringMap'.`);
};

function makeWrapper(globalObject, newTarget) {
  let proto;
  if (newTarget !== undefined) {
    proto = newTarget.prototype;
  }

  if (!utils.isObject(proto)) {
    proto = globalObject[ctorRegistrySymbol]["DOMStringMap"].prototype;
  }

  return Object.create(proto);
}

function makeProxy(wrapper, impl, globalObject) {
  let proxyHandler = proxyHandlerCache.get(globalObject);
  if (proxyHandler === undefined) {
    proxyHandler = new ProxyHandler(globalObject);
    proxyHandlerCache.set(globalObject, proxyHandler);
  }
  // The target needs an implementation for proxy traps, but only the final proxy gets the interface brand.
  utils.registerWrapper(wrapper, impl, undefined);
  return new Proxy(wrapper, proxyHandler);
}

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);

  wrapper = makeProxy(wrapper, impl, globalObject);

  utils.registerWrapper(wrapper, impl, $interfaceDescriptor);
  impl[utils.wrapperSymbol] = wrapper;
  if (Impl.init) {
    Impl.init(impl);
  }
  return wrapper;
};

exports.new = (globalObject, newTarget) => {
  let wrapper = makeWrapper(globalObject, newTarget);

  exports._internalSetup(wrapper, globalObject);
  const impl = Object.create(Impl.implementation.prototype);

  wrapper = makeProxy(wrapper, impl, globalObject);

  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 DOMStringMap {
    constructor() {
      throw new globalObject.TypeError("Illegal constructor");
    }
  }
  Object.defineProperties(DOMStringMap.prototype, {
    [Symbol.toStringTag]: { value: "DOMStringMap", configurable: true }
  });
  ctorRegistry[interfaceName] = DOMStringMap;

  Object.defineProperty(globalObject, interfaceName, {
    configurable: true,
    writable: true,
    value: DOMStringMap
  });
};

const proxyHandlerCache = new WeakMap();
class ProxyHandler {
  constructor(globalObject) {
    this._globalObject = globalObject;
  }

  get(target, P, receiver) {
    if (typeof P === "symbol") {
      return Reflect.get(target, P, receiver);
    }
    const impl = utils.implForWrapper(target);

    const namedValue = impl[utils.namedGet](P);
    if (namedValue !== undefined && !Object.hasOwn(target, P)) {
      return utils.tryWrapperForImpl(namedValue);
    }

    return Reflect.get(target, P, receiver);
  }

  has(target, P) {
    if (typeof P === "symbol") {
      return Reflect.has(target, P);
    }
    const desc = this.getOwnPropertyDescriptor(target, P);
    if (desc !== undefined) {
      return true;
    }
    const parent = Object.getPrototypeOf(target);
    if (parent !== null) {
      return Reflect.has(parent, P);
    }
    return false;
  }

  ownKeys(target) {
    const impl = utils.implForWrapper(target);
    const keys = new Set();

    for (const key of impl[utils.supportedPropertyNames]) {
      if (!Object.hasOwn(target, key)) {
        keys.add(`${key}`);
      }
    }

    for (const key of Reflect.ownKeys(target)) {
      keys.add(key);
    }
    return [...keys];
  }

  getOwnPropertyDescriptor(target, P) {
    if (typeof P === "symbol") {
      return Reflect.getOwnPropertyDescriptor(target, P);
    }
    const impl = utils.implForWrapper(target);

    const namedValue = impl[utils.namedGet](P);
    if (namedValue !== undefined && !Object.hasOwn(target, P)) {
      return {
        writable: true,
        enumerable: true,
        configurable: true,
        value: utils.tryWrapperForImpl(namedValue)
      };
    }

    return Reflect.getOwnPropertyDescriptor(target, P);
  }

  set(target, P, V, receiver) {
    if (typeof P === "symbol") {
      return Reflect.set(target, P, V, receiver);
    }
    const impl = utils.implForWrapper(target);
    // The `receiver` argument refers to the Proxy exotic object or an object
    // that inherits from it, whereas `target` refers to the Proxy target:
    if (utils.wrapperForImpl(impl) === receiver) {
      const globalObject = this._globalObject;

      if (typeof P === "string") {
        let namedValue = V;

        namedValue = conversions["DOMString"](namedValue, {
          context: "Failed to set the '" + P + "' property on 'DOMStringMap': The provided value",
          globals: globalObject
        });

        ceReactionsPreSteps_jsdom_living_helpers_custom_elements(globalObject);
        try {
          const creating = !(impl[utils.namedGet](P) !== undefined);
          if (creating) {
            impl[utils.namedSetNew](P, namedValue);
          } else {
            impl[utils.namedSetExisting](P, namedValue);
          }
        } finally {
          ceReactionsPostSteps_jsdom_living_helpers_custom_elements(globalObject);
        }

        return true;
      }
    }
    let ownDesc;

    if (ownDesc === undefined) {
      ownDesc = Reflect.getOwnPropertyDescriptor(target, P);
    }
    return utils.ordinarySetWithOwnDescriptor(target, P, V, receiver, ownDesc);
  }

  defineProperty(target, P, desc) {
    if (typeof P === "symbol") {
      return Reflect.defineProperty(target, P, desc);
    }
    const impl = utils.implForWrapper(target);

    const globalObject = this._globalObject;

    if (desc.get || desc.set) {
      return false;
    }

    let namedValue = desc.value;

    namedValue = conversions["DOMString"](namedValue, {
      context: "Failed to set the '" + P + "' property on 'DOMStringMap': The provided value",
      globals: globalObject
    });

    ceReactionsPreSteps_jsdom_living_helpers_custom_elements(globalObject);
    try {
      const creating = !(impl[utils.namedGet](P) !== undefined);
      if (creating) {
        impl[utils.namedSetNew](P, namedValue);
      } else {
        impl[utils.namedSetExisting](P, namedValue);
      }
    } finally {
      ceReactionsPostSteps_jsdom_living_helpers_custom_elements(globalObject);
    }

    return true;
  }

  deleteProperty(target, P) {
    if (typeof P === "symbol") {
      return Reflect.deleteProperty(target, P);
    }
    const impl = utils.implForWrapper(target);

    const globalObject = this._globalObject;

    if (impl[utils.namedGet](P) !== undefined && !Object.hasOwn(target, P)) {
      ceReactionsPreSteps_jsdom_living_helpers_custom_elements(globalObject);
      try {
        impl[utils.namedDelete](P);
        return true;
      } finally {
        ceReactionsPostSteps_jsdom_living_helpers_custom_elements(globalObject);
      }
    }

    return Reflect.deleteProperty(target, P);
  }

  preventExtensions() {
    return false;
  }
}

const Impl = require("../../jsdom/living/nodes/DOMStringMap-impl.js");