puppeteer-core
Version:
A high-level API to control headless Chrome over the DevTools Protocol
284 lines • 12.1 kB
JavaScript
/**
* @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;
};
var _a;
import { EventEmitter } from '../../common/EventEmitter.js';
import { inertIfDisposed, throwIfDisposed } from '../../util/decorators.js';
import { DisposableStack, disposeSymbol } from '../../util/disposable.js';
/**
* @internal
*/
let Realm = (() => {
let _classSuper = EventEmitter;
let _instanceExtraInitializers = [];
let _dispose_decorators;
let _disown_decorators;
let _callFunction_decorators;
let _evaluate_decorators;
let _resolveExecutionContextId_decorators;
return class Realm 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);
__esDecorate(this, null, _disown_decorators, { kind: "method", name: "disown", static: false, private: false, access: { has: obj => "disown" in obj, get: obj => obj.disown }, metadata: _metadata }, null, _instanceExtraInitializers);
__esDecorate(this, null, _callFunction_decorators, { kind: "method", name: "callFunction", static: false, private: false, access: { has: obj => "callFunction" in obj, get: obj => obj.callFunction }, metadata: _metadata }, null, _instanceExtraInitializers);
__esDecorate(this, null, _evaluate_decorators, { kind: "method", name: "evaluate", static: false, private: false, access: { has: obj => "evaluate" in obj, get: obj => obj.evaluate }, metadata: _metadata }, null, _instanceExtraInitializers);
__esDecorate(this, null, _resolveExecutionContextId_decorators, { kind: "method", name: "resolveExecutionContextId", static: false, private: false, access: { has: obj => "resolveExecutionContextId" in obj, get: obj => obj.resolveExecutionContextId }, metadata: _metadata }, null, _instanceExtraInitializers);
if (_metadata) Object.defineProperty(this, Symbol.metadata, { enumerable: true, configurable: true, writable: true, value: _metadata });
}
#reason = __runInitializers(this, _instanceExtraInitializers);
disposables = new DisposableStack();
id;
origin;
executionContextId;
constructor(id, origin) {
super();
this.id = id;
this.origin = origin;
}
get disposed() {
return this.#reason !== undefined;
}
get target() {
return { realm: this.id };
}
dispose(reason) {
this.#reason = reason;
this[disposeSymbol]();
}
async disown(handles) {
await this.session.send('script.disown', {
target: this.target,
handles,
});
}
async callFunction(functionDeclaration, awaitPromise, options = {}) {
const { result } = await this.session.send('script.callFunction', {
functionDeclaration,
awaitPromise,
target: this.target,
...options,
});
return result;
}
async evaluate(expression, awaitPromise, options = {}) {
const { result } = await this.session.send('script.evaluate', {
expression,
awaitPromise,
target: this.target,
...options,
});
return result;
}
async resolveExecutionContextId() {
if (!this.executionContextId) {
const { result } = await this.session.connection.send('goog:cdp.resolveRealm', { realm: this.id });
this.executionContextId = result.executionContextId;
}
return this.executionContextId;
}
[(_dispose_decorators = [inertIfDisposed], _disown_decorators = [throwIfDisposed(realm => {
// SAFETY: Disposal implies this exists.
return realm.#reason;
})], _callFunction_decorators = [throwIfDisposed(realm => {
// SAFETY: Disposal implies this exists.
return realm.#reason;
})], _evaluate_decorators = [throwIfDisposed(realm => {
// SAFETY: Disposal implies this exists.
return realm.#reason;
})], _resolveExecutionContextId_decorators = [throwIfDisposed(realm => {
// SAFETY: Disposal implies this exists.
return realm.#reason;
})], disposeSymbol)]() {
this.#reason ??=
'Realm already destroyed, probably because all associated browsing contexts closed.';
this.emit('destroyed', { reason: this.#reason });
this.disposables.dispose();
super[disposeSymbol]();
}
};
})();
export { Realm };
/**
* @internal
*/
export class WindowRealm extends Realm {
static from(context, sandbox) {
const realm = new WindowRealm(context, sandbox);
realm.#initialize();
return realm;
}
browsingContext;
sandbox;
#workers = new Map();
constructor(context, sandbox) {
super('', '');
this.browsingContext = context;
this.sandbox = sandbox;
}
#initialize() {
const browsingContextEmitter = this.disposables.use(new EventEmitter(this.browsingContext));
browsingContextEmitter.on('closed', ({ reason }) => {
this.dispose(reason);
});
const sessionEmitter = this.disposables.use(new EventEmitter(this.session));
sessionEmitter.on('script.realmCreated', info => {
if (info.type !== 'window' ||
info.context !== this.browsingContext.id ||
info.sandbox !== this.sandbox) {
return;
}
this.id = info.realm;
this.origin = info.origin;
this.executionContextId = undefined;
this.emit('updated', this);
});
sessionEmitter.on('script.realmCreated', info => {
if (info.type !== 'dedicated-worker') {
return;
}
if (!info.owners.includes(this.id)) {
return;
}
const realm = DedicatedWorkerRealm.from(this, info.realm, info.origin);
this.#workers.set(realm.id, realm);
const realmEmitter = this.disposables.use(new EventEmitter(realm));
realmEmitter.once('destroyed', () => {
realmEmitter.removeAllListeners();
this.#workers.delete(realm.id);
});
this.emit('worker', realm);
});
}
get session() {
return this.browsingContext.userContext.browser.session;
}
get target() {
return { context: this.browsingContext.id, sandbox: this.sandbox };
}
}
/**
* @internal
*/
export class DedicatedWorkerRealm extends Realm {
static from(owner, id, origin) {
const realm = new _a(owner, id, origin);
realm.#initialize();
return realm;
}
#workers = new Map();
owners;
constructor(owner, id, origin) {
super(id, origin);
this.owners = new Set([owner]);
}
#initialize() {
const sessionEmitter = this.disposables.use(new EventEmitter(this.session));
sessionEmitter.on('script.realmDestroyed', info => {
if (info.realm !== this.id) {
return;
}
this.dispose('Realm already destroyed.');
});
sessionEmitter.on('script.realmCreated', info => {
if (info.type !== 'dedicated-worker') {
return;
}
if (!info.owners.includes(this.id)) {
return;
}
const realm = _a.from(this, info.realm, info.origin);
this.#workers.set(realm.id, realm);
const realmEmitter = this.disposables.use(new EventEmitter(realm));
realmEmitter.once('destroyed', () => {
this.#workers.delete(realm.id);
});
this.emit('worker', realm);
});
}
get session() {
// SAFETY: At least one owner will exist.
return this.owners.values().next().value.session;
}
}
_a = DedicatedWorkerRealm;
/**
* @internal
*/
export class SharedWorkerRealm extends Realm {
static from(browser, id, origin) {
const realm = new SharedWorkerRealm(browser, id, origin);
realm.#initialize();
return realm;
}
#workers = new Map();
browser;
constructor(browser, id, origin) {
super(id, origin);
this.browser = browser;
}
#initialize() {
const sessionEmitter = this.disposables.use(new EventEmitter(this.session));
sessionEmitter.on('script.realmDestroyed', info => {
if (info.realm !== this.id) {
return;
}
this.dispose('Realm already destroyed.');
});
sessionEmitter.on('script.realmCreated', info => {
if (info.type !== 'dedicated-worker') {
return;
}
if (!info.owners.includes(this.id)) {
return;
}
const realm = DedicatedWorkerRealm.from(this, info.realm, info.origin);
this.#workers.set(realm.id, realm);
const realmEmitter = this.disposables.use(new EventEmitter(realm));
realmEmitter.once('destroyed', () => {
this.#workers.delete(realm.id);
});
this.emit('worker', realm);
});
}
get session() {
return this.browser.session;
}
}
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