140 lines
3.5 KiB
JavaScript
140 lines
3.5 KiB
JavaScript
"use strict";
|
|
|
|
const conversions = require("webidl-conversions");
|
|
const utils = require("./utils.js");
|
|
|
|
const impl = utils.implSymbol;
|
|
const EventTarget = require("./EventTarget.js");
|
|
|
|
function Performance() {
|
|
throw new TypeError("Illegal constructor");
|
|
}
|
|
|
|
Object.setPrototypeOf(Performance.prototype, EventTarget.interface.prototype);
|
|
Object.setPrototypeOf(Performance, EventTarget.interface);
|
|
|
|
Object.defineProperty(Performance, "prototype", {
|
|
value: Performance.prototype,
|
|
writable: false,
|
|
enumerable: false,
|
|
configurable: false
|
|
});
|
|
|
|
Performance.prototype.now = function now() {
|
|
if (!this || !module.exports.is(this)) {
|
|
throw new TypeError("Illegal invocation");
|
|
}
|
|
|
|
return utils.tryWrapperForImpl(this[impl].now());
|
|
};
|
|
|
|
Performance.prototype.toJSON = function toJSON() {
|
|
if (!this || !module.exports.is(this)) {
|
|
throw new TypeError("Illegal invocation");
|
|
}
|
|
|
|
return this[impl].toJSON();
|
|
};
|
|
|
|
Object.defineProperty(Performance.prototype, "timeOrigin", {
|
|
get() {
|
|
if (!this || !module.exports.is(this)) {
|
|
throw new TypeError("Illegal invocation");
|
|
}
|
|
|
|
return utils.tryWrapperForImpl(this[impl]["timeOrigin"]);
|
|
},
|
|
|
|
enumerable: true,
|
|
configurable: true
|
|
});
|
|
|
|
Object.defineProperty(Performance.prototype, Symbol.toStringTag, {
|
|
value: "Performance",
|
|
writable: false,
|
|
enumerable: false,
|
|
configurable: true
|
|
});
|
|
|
|
const iface = {
|
|
// When an interface-module that implements this interface as a mixin is loaded, it will append its own `.is()`
|
|
// method into this array. It allows objects that directly implements *those* interfaces to be recognized as
|
|
// implementing this mixin interface.
|
|
_mixedIntoPredicates: [],
|
|
is(obj) {
|
|
if (obj) {
|
|
if (utils.hasOwn(obj, impl) && obj[impl] instanceof Impl.implementation) {
|
|
return true;
|
|
}
|
|
for (const isMixedInto of module.exports._mixedIntoPredicates) {
|
|
if (isMixedInto(obj)) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
},
|
|
isImpl(obj) {
|
|
if (obj) {
|
|
if (obj instanceof Impl.implementation) {
|
|
return true;
|
|
}
|
|
|
|
const wrapper = utils.wrapperForImpl(obj);
|
|
for (const isMixedInto of module.exports._mixedIntoPredicates) {
|
|
if (isMixedInto(wrapper)) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
},
|
|
convert(obj, { context = "The provided value" } = {}) {
|
|
if (module.exports.is(obj)) {
|
|
return utils.implForWrapper(obj);
|
|
}
|
|
throw new TypeError(`${context} is not of type 'Performance'.`);
|
|
},
|
|
|
|
create(constructorArgs, privateData) {
|
|
let obj = Object.create(Performance.prototype);
|
|
obj = this.setup(obj, constructorArgs, privateData);
|
|
return obj;
|
|
},
|
|
createImpl(constructorArgs, privateData) {
|
|
let obj = Object.create(Performance.prototype);
|
|
obj = this.setup(obj, constructorArgs, privateData);
|
|
return utils.implForWrapper(obj);
|
|
},
|
|
_internalSetup(obj) {
|
|
EventTarget._internalSetup(obj);
|
|
},
|
|
setup(obj, constructorArgs, privateData) {
|
|
if (!privateData) privateData = {};
|
|
|
|
privateData.wrapper = obj;
|
|
|
|
this._internalSetup(obj);
|
|
Object.defineProperty(obj, impl, {
|
|
value: new Impl.implementation(constructorArgs, privateData),
|
|
writable: false,
|
|
enumerable: false,
|
|
configurable: true
|
|
});
|
|
|
|
obj[impl][utils.wrapperSymbol] = obj;
|
|
if (Impl.init) {
|
|
Impl.init(obj[impl], privateData);
|
|
}
|
|
return obj;
|
|
},
|
|
interface: Performance,
|
|
expose: {
|
|
Window: { Performance },
|
|
Worker: { Performance }
|
|
}
|
|
}; // iface
|
|
module.exports = iface;
|
|
|
|
const Impl = require("../hr-time/Performance-impl.js");
|