blob: 52b199da291dbe1337ae0fd00cc26169fdc4f82f [file] [log] [blame]
"use strict";
const conversions = require("webidl-conversions");
const utils = require("./utils.js");
const implSymbol = utils.implSymbol;
const ctorRegistrySymbol = utils.ctorRegistrySymbol;
const EventTarget = require("./EventTarget.js");
const interfaceName = "Performance";
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 'Performance'.`);
};
function makeWrapper(globalObject) {
if (globalObject[ctorRegistrySymbol] === undefined) {
throw new Error("Internal error: invalid global object");
}
const ctor = globalObject[ctorRegistrySymbol]["Performance"];
if (ctor === undefined) {
throw new Error("Internal error: constructor Performance 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) => {
EventTarget._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;
}
if (globalObject.EventTarget === undefined) {
throw new Error("Internal error: attempting to evaluate Performance before EventTarget");
}
class Performance extends globalObject.EventTarget {
constructor() {
throw new TypeError("Illegal constructor");
}
now() {
const esValue = this !== null && this !== undefined ? this : globalObject;
if (!exports.is(esValue)) {
throw new TypeError("Illegal invocation");
}
return utils.tryWrapperForImpl(esValue[implSymbol].now());
}
toJSON() {
const esValue = this !== null && this !== undefined ? this : globalObject;
if (!exports.is(esValue)) {
throw new TypeError("Illegal invocation");
}
return esValue[implSymbol].toJSON();
}
get timeOrigin() {
const esValue = this !== null && this !== undefined ? this : globalObject;
if (!exports.is(esValue)) {
throw new TypeError("Illegal invocation");
}
return utils.tryWrapperForImpl(esValue[implSymbol]["timeOrigin"]);
}
}
Object.defineProperties(Performance.prototype, {
now: { enumerable: true },
toJSON: { enumerable: true },
timeOrigin: { enumerable: true },
[Symbol.toStringTag]: { value: "Performance", configurable: true }
});
if (globalObject[ctorRegistrySymbol] === undefined) {
globalObject[ctorRegistrySymbol] = Object.create(null);
}
globalObject[ctorRegistrySymbol][interfaceName] = Performance;
Object.defineProperty(globalObject, interfaceName, {
configurable: true,
writable: true,
value: Performance
});
};
const Impl = require("../hr-time/Performance-impl.js");