puppeteer-core
Version:
A high-level API to control headless Chrome over the DevTools Protocol
162 lines • 6.62 kB
JavaScript
var __addDisposableResource = (this && this.__addDisposableResource) || function (env, value, async) {
if (value !== null && value !== void 0) {
if (typeof value !== "object" && typeof value !== "function") throw new TypeError("Object expected.");
var dispose, inner;
if (async) {
if (!Symbol.asyncDispose) throw new TypeError("Symbol.asyncDispose is not defined.");
dispose = value[Symbol.asyncDispose];
}
if (dispose === void 0) {
if (!Symbol.dispose) throw new TypeError("Symbol.dispose is not defined.");
dispose = value[Symbol.dispose];
if (async) inner = dispose;
}
if (typeof dispose !== "function") throw new TypeError("Object not disposable.");
if (inner) dispose = function() { try { inner.call(this); } catch (e) { return Promise.reject(e); } };
env.stack.push({ value: value, dispose: dispose, async: async });
}
else if (async) {
env.stack.push({ async: true });
}
return value;
};
var __disposeResources = (this && this.__disposeResources) || (function (SuppressedError) {
return function (env) {
function fail(e) {
env.error = env.hasError ? new SuppressedError(e, env.error, "An error was suppressed during disposal.") : e;
env.hasError = true;
}
var r, s = 0;
function next() {
while (r = env.stack.pop()) {
try {
if (!r.async && s === 1) return s = 0, env.stack.push(r), Promise.resolve().then(next);
if (r.dispose) {
var result = r.dispose.call(r.value);
if (r.async) return s |= 2, Promise.resolve(result).then(next, function(e) { fail(e); return next(); });
}
else s |= 1;
}
catch (e) {
fail(e);
}
}
if (s === 1) return env.hasError ? Promise.reject(env.error) : Promise.resolve();
if (env.hasError) throw env.error;
}
return next();
};
})(typeof SuppressedError === "function" ? SuppressedError : function (error, suppressed, message) {
var e = new Error(message);
return e.name = "SuppressedError", e.error = error, e.suppressed = suppressed, e;
});
/**
* @license
* Copyright 2024 Google Inc.
* SPDX-License-Identifier: Apache-2.0
*/
import { JSHandle } from '../api/JSHandle.js';
import { debugError } from '../common/util.js';
import { DisposableStack } from '../util/disposable.js';
import { isErrorLike } from '../util/ErrorLike.js';
/**
* @internal
*/
export class Binding {
#name;
#fn;
#initSource;
constructor(name, fn, initSource) {
this.#name = name;
this.#fn = fn;
this.#initSource = initSource;
}
get name() {
return this.#name;
}
get initSource() {
return this.#initSource;
}
/**
* @param context - Context to run the binding in; the context should have
* the binding added to it beforehand.
* @param id - ID of the call. This should come from the CDP
* `onBindingCalled` response.
* @param args - Plain arguments from CDP.
*/
async run(context, id, args, isTrivial) {
const stack = new DisposableStack();
try {
if (!isTrivial) {
const env_1 = { stack: [], error: void 0, hasError: false };
try {
// Getting non-trivial arguments.
const handles = __addDisposableResource(env_1, await context.evaluateHandle((name, seq) => {
// @ts-expect-error Code is evaluated in a different context.
return globalThis[name].args.get(seq);
}, this.#name, id), false);
const properties = await handles.getProperties();
for (const [index, handle] of properties) {
// This is not straight-forward since some arguments can stringify, but
// aren't plain objects so add subtypes when the use-case arises.
if (index in args) {
switch (handle.remoteObject().subtype) {
case 'node':
args[+index] = handle;
break;
default:
stack.use(handle);
}
}
else {
stack.use(handle);
}
}
}
catch (e_1) {
env_1.error = e_1;
env_1.hasError = true;
}
finally {
__disposeResources(env_1);
}
}
await context.evaluate((name, seq, result) => {
// @ts-expect-error Code is evaluated in a different context.
const callbacks = globalThis[name].callbacks;
callbacks.get(seq).resolve(result);
callbacks.delete(seq);
}, this.#name, id, await this.#fn(...args));
for (const arg of args) {
if (arg instanceof JSHandle) {
stack.use(arg);
}
}
}
catch (error) {
if (isErrorLike(error)) {
await context
.evaluate((name, seq, message, stack) => {
const error = new Error(message);
error.stack = stack;
// @ts-expect-error Code is evaluated in a different context.
const callbacks = globalThis[name].callbacks;
callbacks.get(seq).reject(error);
callbacks.delete(seq);
}, this.#name, id, error.message, error.stack)
.catch(debugError);
}
else {
await context
.evaluate((name, seq, error) => {
// @ts-expect-error Code is evaluated in a different context.
const callbacks = globalThis[name].callbacks;
callbacks.get(seq).reject(error);
callbacks.delete(seq);
}, this.#name, id, error)
.catch(debugError);
}
}
}
}
//# sourceMappingURL=Binding.js.map