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import * as Bidi from 'chromium-bidi/lib/cjs/protocol/protocol.js';
import {EventEmitter, type EventType} from '../common/EventEmitter.js';
import {scriptInjector} from '../common/ScriptInjector.js';
import type {EvaluateFunc, HandleFor} from '../common/types.js';
import {
PuppeteerURL,
SOURCE_URL_REGEX,
getSourcePuppeteerURLIfAvailable,
getSourceUrlComment,
isString,
} from '../common/util.js';
import type PuppeteerUtil from '../injected/injected.js';
import {disposeSymbol} from '../util/disposable.js';
import {stringifyFunction} from '../util/Function.js';
import type {BidiConnection} from './Connection.js';
import {BidiDeserializer} from './Deserializer.js';
import {BidiElementHandle} from './ElementHandle.js';
import {BidiJSHandle} from './JSHandle.js';
import type {Sandbox} from './Sandbox.js';
import {BidiSerializer} from './Serializer.js';
import {createEvaluationError} from './util.js';
/**
* @internal
*/
export class BidiRealm extends EventEmitter<Record<EventType, any>> {
readonly connection: BidiConnection;
#id!: string;
#sandbox!: Sandbox;
constructor(connection: BidiConnection) {
super();
this.connection = connection;
}
get target(): Bidi.Script.Target {
return {
context: this.#sandbox.environment._id,
sandbox: this.#sandbox.name,
};
}
handleRealmDestroyed = async (
params: Bidi.Script.RealmDestroyed['params']
): Promise<void> => {
if (params.realm === this.#id) {
// Note: The Realm is destroyed, so in theory the handle should be as
// well.
this.internalPuppeteerUtil = undefined;
this.#sandbox.environment.clearDocumentHandle();
}
};
handleRealmCreated = (params: Bidi.Script.RealmCreated['params']): void => {
if (
params.type === 'window' &&
params.context === this.#sandbox.environment._id &&
params.sandbox === this.#sandbox.name
) {
this.#id = params.realm;
void this.#sandbox.taskManager.rerunAll();
}
};
setSandbox(sandbox: Sandbox): void {
this.#sandbox = sandbox;
this.connection.on(
Bidi.ChromiumBidi.Script.EventNames.RealmCreated,
this.handleRealmCreated
);
this.connection.on(
Bidi.ChromiumBidi.Script.EventNames.RealmDestroyed,
this.handleRealmDestroyed
);
}
protected internalPuppeteerUtil?: Promise<BidiJSHandle<PuppeteerUtil>>;
get puppeteerUtil(): Promise<BidiJSHandle<PuppeteerUtil>> {
const promise = Promise.resolve() as Promise<unknown>;
scriptInjector.inject(script => {
if (this.internalPuppeteerUtil) {
void this.internalPuppeteerUtil.then(handle => {
void handle.dispose();
});
}
this.internalPuppeteerUtil = promise.then(() => {
return this.evaluateHandle(script) as Promise<
BidiJSHandle<PuppeteerUtil>
>;
});
}, !this.internalPuppeteerUtil);
return this.internalPuppeteerUtil as Promise<BidiJSHandle<PuppeteerUtil>>;
}
async evaluateHandle<
Params extends unknown[],
Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
>(
pageFunction: Func | string,
...args: Params
): Promise<HandleFor<Awaited<ReturnType<Func>>>> {
return await this.#evaluate(false, pageFunction, ...args);
}
async evaluate<
Params extends unknown[],
Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
>(
pageFunction: Func | string,
...args: Params
): Promise<Awaited<ReturnType<Func>>> {
return await this.#evaluate(true, pageFunction, ...args);
}
async #evaluate<
Params extends unknown[],
Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
>(
returnByValue: true,
pageFunction: Func | string,
...args: Params
): Promise<Awaited<ReturnType<Func>>>;
async #evaluate<
Params extends unknown[],
Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
>(
returnByValue: false,
pageFunction: Func | string,
...args: Params
): Promise<HandleFor<Awaited<ReturnType<Func>>>>;
async #evaluate<
Params extends unknown[],
Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
>(
returnByValue: boolean,
pageFunction: Func | string,
...args: Params
): Promise<HandleFor<Awaited<ReturnType<Func>>> | Awaited<ReturnType<Func>>> {
const sourceUrlComment = getSourceUrlComment(
getSourcePuppeteerURLIfAvailable(pageFunction)?.toString() ??
PuppeteerURL.INTERNAL_URL
);
const sandbox = this.#sandbox;
let responsePromise;
const resultOwnership = returnByValue
? Bidi.Script.ResultOwnership.None
: Bidi.Script.ResultOwnership.Root;
const serializationOptions: Bidi.Script.SerializationOptions = returnByValue
? {}
: {
maxObjectDepth: 0,
maxDomDepth: 0,
};
if (isString(pageFunction)) {
const expression = SOURCE_URL_REGEX.test(pageFunction)
? pageFunction
: `${pageFunction}\n${sourceUrlComment}\n`;
responsePromise = this.connection.send('script.evaluate', {
expression,
target: this.target,
resultOwnership,
awaitPromise: true,
userActivation: true,
serializationOptions,
});
} else {
let functionDeclaration = stringifyFunction(pageFunction);
functionDeclaration = SOURCE_URL_REGEX.test(functionDeclaration)
? functionDeclaration
: `${functionDeclaration}\n${sourceUrlComment}\n`;
responsePromise = this.connection.send('script.callFunction', {
functionDeclaration,
arguments: args.length
? await Promise.all(
args.map(arg => {
return BidiSerializer.serialize(sandbox, arg);
})
)
: [],
target: this.target,
resultOwnership,
awaitPromise: true,
userActivation: true,
serializationOptions,
});
}
const {result} = await responsePromise;
if ('type' in result && result.type === 'exception') {
throw createEvaluationError(result.exceptionDetails);
}
return returnByValue
? BidiDeserializer.deserialize(result.result)
: createBidiHandle(sandbox, result.result);
}
[disposeSymbol](): void {
this.connection.off(
Bidi.ChromiumBidi.Script.EventNames.RealmCreated,
this.handleRealmCreated
);
this.connection.off(
Bidi.ChromiumBidi.Script.EventNames.RealmDestroyed,
this.handleRealmDestroyed
);
}
}
/**
* @internal
*/
export function createBidiHandle(
sandbox: Sandbox,
result: Bidi.Script.RemoteValue
): BidiJSHandle<unknown> | BidiElementHandle<Node> {
if (result.type === 'node' || result.type === 'window') {
return new BidiElementHandle(sandbox, result);
}
return new BidiJSHandle(sandbox, result);
}
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