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- "use strict";
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.JSHandle = void 0;
- exports.assertMaxArguments = assertMaxArguments;
- exports.parseResult = parseResult;
- exports.serializeArgument = serializeArgument;
- var _channelOwner = require("./channelOwner");
- var _serializers = require("../protocol/serializers");
- let _Symbol$asyncDispose;
- /**
- * Copyright (c) Microsoft Corporation.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- _Symbol$asyncDispose = Symbol.asyncDispose;
- class JSHandle extends _channelOwner.ChannelOwner {
- static from(handle) {
- return handle._object;
- }
- constructor(parent, type, guid, initializer) {
- super(parent, type, guid, initializer);
- this._preview = void 0;
- this._preview = this._initializer.preview;
- this._channel.on('previewUpdated', ({
- preview
- }) => this._preview = preview);
- }
- async evaluate(pageFunction, arg) {
- const result = await this._channel.evaluateExpression({
- expression: String(pageFunction),
- isFunction: typeof pageFunction === 'function',
- arg: serializeArgument(arg)
- });
- return parseResult(result.value);
- }
- async evaluateHandle(pageFunction, arg) {
- const result = await this._channel.evaluateExpressionHandle({
- expression: String(pageFunction),
- isFunction: typeof pageFunction === 'function',
- arg: serializeArgument(arg)
- });
- return JSHandle.from(result.handle);
- }
- async getProperty(propertyName) {
- const result = await this._channel.getProperty({
- name: propertyName
- });
- return JSHandle.from(result.handle);
- }
- async getProperties() {
- const map = new Map();
- for (const {
- name,
- value
- } of (await this._channel.getPropertyList()).properties) map.set(name, JSHandle.from(value));
- return map;
- }
- async jsonValue() {
- return parseResult((await this._channel.jsonValue()).value);
- }
- asElement() {
- return null;
- }
- async [_Symbol$asyncDispose]() {
- await this.dispose();
- }
- async dispose() {
- return await this._channel.dispose();
- }
- async _objectCount() {
- return await this._wrapApiCall(async () => {
- const {
- count
- } = await this._channel.objectCount();
- return count;
- });
- }
- toString() {
- return this._preview;
- }
- }
- // This function takes care of converting all JSHandles to their channels,
- // so that generic channel serializer converts them to guids.
- exports.JSHandle = JSHandle;
- function serializeArgument(arg) {
- const handles = [];
- const pushHandle = channel => {
- handles.push(channel);
- return handles.length - 1;
- };
- const value = (0, _serializers.serializeValue)(arg, value => {
- if (value instanceof JSHandle) return {
- h: pushHandle(value._channel)
- };
- return {
- fallThrough: value
- };
- });
- return {
- value,
- handles
- };
- }
- function parseResult(value) {
- return (0, _serializers.parseSerializedValue)(value, undefined);
- }
- function assertMaxArguments(count, max) {
- if (count > max) throw new Error('Too many arguments. If you need to pass more than 1 argument to the function wrap them in an object.');
- }
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