puppeteer-core
Version:
A high-level API to control headless Chrome over the DevTools Protocol
170 lines • 7.75 kB
JavaScript
"use strict";
/**
* @license
* Copyright 2024 Google Inc.
* SPDX-License-Identifier: Apache-2.0
*/
var __runInitializers = (this && this.__runInitializers) || function (thisArg, initializers, value) {
var useValue = arguments.length > 2;
for (var i = 0; i < initializers.length; i++) {
value = useValue ? initializers[i].call(thisArg, value) : initializers[i].call(thisArg);
}
return useValue ? value : void 0;
};
var __esDecorate = (this && this.__esDecorate) || function (ctor, descriptorIn, decorators, contextIn, initializers, extraInitializers) {
function accept(f) { if (f !== void 0 && typeof f !== "function") throw new TypeError("Function expected"); return f; }
var kind = contextIn.kind, key = kind === "getter" ? "get" : kind === "setter" ? "set" : "value";
var target = !descriptorIn && ctor ? contextIn["static"] ? ctor : ctor.prototype : null;
var descriptor = descriptorIn || (target ? Object.getOwnPropertyDescriptor(target, contextIn.name) : {});
var _, done = false;
for (var i = decorators.length - 1; i >= 0; i--) {
var context = {};
for (var p in contextIn) context[p] = p === "access" ? {} : contextIn[p];
for (var p in contextIn.access) context.access[p] = contextIn.access[p];
context.addInitializer = function (f) { if (done) throw new TypeError("Cannot add initializers after decoration has completed"); extraInitializers.push(accept(f || null)); };
var result = (0, decorators[i])(kind === "accessor" ? { get: descriptor.get, set: descriptor.set } : descriptor[key], context);
if (kind === "accessor") {
if (result === void 0) continue;
if (result === null || typeof result !== "object") throw new TypeError("Object expected");
if (_ = accept(result.get)) descriptor.get = _;
if (_ = accept(result.set)) descriptor.set = _;
if (_ = accept(result.init)) initializers.unshift(_);
}
else if (_ = accept(result)) {
if (kind === "field") initializers.unshift(_);
else descriptor[key] = _;
}
}
if (target) Object.defineProperty(target, contextIn.name, descriptor);
done = true;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Navigation = void 0;
const EventEmitter_js_1 = require("../../common/EventEmitter.js");
const decorators_js_1 = require("../../util/decorators.js");
const disposable_js_1 = require("../../util/disposable.js");
/**
* @internal
*/
let Navigation = (() => {
var _a;
let _classSuper = EventEmitter_js_1.EventEmitter;
let _instanceExtraInitializers = [];
let _dispose_decorators;
return class Navigation extends _classSuper {
static {
const _metadata = typeof Symbol === "function" && Symbol.metadata ? Object.create(_classSuper[Symbol.metadata] ?? null) : void 0;
__esDecorate(this, null, _dispose_decorators, { kind: "method", name: "dispose", static: false, private: false, access: { has: obj => "dispose" in obj, get: obj => obj.dispose }, metadata: _metadata }, null, _instanceExtraInitializers);
if (_metadata) Object.defineProperty(this, Symbol.metadata, { enumerable: true, configurable: true, writable: true, value: _metadata });
}
static from(context) {
const navigation = new Navigation(context);
navigation.#initialize();
return navigation;
}
#request = __runInitializers(this, _instanceExtraInitializers);
#navigation;
#browsingContext;
#disposables = new disposable_js_1.DisposableStack();
#id;
constructor(context) {
super();
this.#browsingContext = context;
}
#initialize() {
const browsingContextEmitter = this.#disposables.use(new EventEmitter_js_1.EventEmitter(this.#browsingContext));
browsingContextEmitter.once('closed', () => {
this.emit('failed', {
url: this.#browsingContext.url,
timestamp: new Date(),
});
this.dispose();
});
browsingContextEmitter.on('request', ({ request }) => {
if (request.navigation === undefined ||
// If a request with a navigation ID comes in, then the navigation ID is
// for this navigation.
!this.#matches(request.navigation)) {
return;
}
this.#request = request;
this.emit('request', request);
const requestEmitter = this.#disposables.use(new EventEmitter_js_1.EventEmitter(this.#request));
requestEmitter.on('redirect', request => {
this.#request = request;
});
});
const sessionEmitter = this.#disposables.use(new EventEmitter_js_1.EventEmitter(this.#session));
sessionEmitter.on('browsingContext.navigationStarted', info => {
if (info.context !== this.#browsingContext.id ||
this.#navigation !== undefined) {
return;
}
this.#navigation = Navigation.from(this.#browsingContext);
});
for (const eventName of [
'browsingContext.domContentLoaded',
'browsingContext.load',
]) {
sessionEmitter.on(eventName, info => {
if (info.context !== this.#browsingContext.id ||
info.navigation === null ||
!this.#matches(info.navigation)) {
return;
}
this.dispose();
});
}
for (const [eventName, event] of [
['browsingContext.fragmentNavigated', 'fragment'],
['browsingContext.navigationFailed', 'failed'],
['browsingContext.navigationAborted', 'aborted'],
]) {
sessionEmitter.on(eventName, info => {
if (info.context !== this.#browsingContext.id ||
// Note we don't check if `navigation` is null since `null` means the
// fragment navigated.
!this.#matches(info.navigation)) {
return;
}
this.emit(event, {
url: info.url,
timestamp: new Date(info.timestamp),
});
this.dispose();
});
}
}
#matches(navigation) {
if (this.#navigation !== undefined && !this.#navigation.disposed) {
return false;
}
if (this.#id === undefined) {
this.#id = navigation;
return true;
}
return this.#id === navigation;
}
get #session() {
return this.#browsingContext.userContext.browser.session;
}
get disposed() {
return this.#disposables.disposed;
}
get request() {
return this.#request;
}
get navigation() {
return this.#navigation;
}
dispose() {
this[disposable_js_1.disposeSymbol]();
}
[(_dispose_decorators = [decorators_js_1.inertIfDisposed], disposable_js_1.disposeSymbol)]() {
this.#disposables.dispose();
super[disposable_js_1.disposeSymbol]();
}
};
})();
exports.Navigation = Navigation;
//# sourceMappingURL=Navigation.js.map