270 lines
6.6 KiB
JavaScript
270 lines
6.6 KiB
JavaScript
// Licensed to the Software Freedom Conservancy (SFC) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The SFC licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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const { FilterBy } = require('./filterBy')
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const { ConsoleLogEntry, JavascriptLogEntry, GenericLogEntry } = require('./logEntries')
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const LOG = {
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TYPE_CONSOLE : 'console',
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TYPE_JS_LOGS : 'javascript',
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}
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class LogInspector {
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bidi
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ws
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constructor (driver, browsingContextIds) {
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this._driver = driver
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this._browsingContextIds = browsingContextIds
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this.listener = {}
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}
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/**
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* Subscribe to log event
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* @returns {Promise<void>}
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*/
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async init () {
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this.bidi = await this._driver.getBidi()
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await this.bidi.subscribe('log.entryAdded', this._browsingContextIds)
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}
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/**
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* @param kind
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*/
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logListener (kind) {
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if (!(kind in this.listener)) {
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this.listener[kind] = []
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}
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}
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/**
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* Listen to Console logs
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* @param callback
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* @returns {Promise<void>}
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*/
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async onConsoleEntry(callback, filterBy = undefined) {
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if (filterBy != undefined && !(filterBy instanceof FilterBy)) {
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throw Error(`Pass valid FilterBy object. Received: ${filterBy}`)
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}
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this.ws = await this.bidi.socket
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this.ws.on('message', (event) => {
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const { params } = JSON.parse(Buffer.from(event.toString()))
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if (params?.type === LOG.TYPE_CONSOLE) {
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let consoleEntry = new ConsoleLogEntry(
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params.level,
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params.text,
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params.timestamp,
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params.type,
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params.method,
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params.realm,
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params.args,
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params.stackTrace
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)
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if (filterBy != undefined) {
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if (params?.level === filterBy.getLevel()) {
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callback(consoleEntry)
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}
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return
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}
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callback(consoleEntry)
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}
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})
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}
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/**
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* Listen to JS logs
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* @param callback
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* @returns {Promise<void>}
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*/
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async onJavascriptLog(callback, filterBy = undefined) {
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if (filterBy != undefined && !(filterBy instanceof FilterBy)) {
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throw Error(`Pass valid FilterBy object. Received: ${filterBy}`)
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}
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this.ws = await this.bidi.socket
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this.ws.on('message', (event) => {
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const { params } = JSON.parse(Buffer.from(event.toString()))
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if (params?.type === LOG.TYPE_JS_LOGS) {
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let jsEntry = new JavascriptLogEntry(
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params.level,
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params.text,
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params.timestamp,
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params.type,
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params.stackTrace
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)
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if (filterBy != undefined) {
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if (params?.level === filterBy.getLevel()) {
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callback(jsEntry)
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}
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return
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}
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callback(jsEntry)
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}
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})
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}
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/**
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* Listen to JS Exceptions
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* @param callback
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* @returns {Promise<void>}
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*/
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async onJavascriptException(callback) {
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this.ws = await this.bidi.socket
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let enabled =
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LOG.TYPE_JS_EXCEPTION in this.listener ||
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this.logListener(LOG.TYPE_JS_EXCEPTION)
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this.listener[LOG.TYPE_JS_EXCEPTION].push(callback)
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if (enabled) {
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return
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}
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this.ws.on('message', (event) => {
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const { params } = JSON.parse(Buffer.from(event.toString()))
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if (params?.type === 'javascript' && params?.level === 'error') {
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let jsErrorEntry = new JavascriptLogEntry(
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params.level,
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params.text,
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params.timestamp,
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params.type,
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params.stackTrace
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)
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this.listener[LOG.TYPE_JS_EXCEPTION].forEach((listener) => {
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listener(jsErrorEntry)
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})
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}
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})
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}
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/**
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* Listen to any logs
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* @param callback
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* @returns {Promise<void>}
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*/
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async onLog(callback, filterBy = undefined) {
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if (filterBy != undefined && !(filterBy instanceof FilterBy)) {
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throw Error(`Pass valid FilterBy object. Received: ${filterBy}`)
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}
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this.ws = await this.bidi.socket
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this.ws.on('message', (event) => {
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const { params } = JSON.parse(Buffer.from(event.toString()))
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if (params?.type === 'javascript') {
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let jsEntry = new JavascriptLogEntry(
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params.level,
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params.text,
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params.timestamp,
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params.type,
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params.stackTrace
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)
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if (filterBy != undefined) {
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if (params?.level === filterBy.getLevel()) {
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callback(jsEntry)
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}
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return
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}
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callback(jsEntry)
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return
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}
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if (params?.type === 'console') {
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let consoleEntry = new ConsoleLogEntry(
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params.level,
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params.text,
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params.timestamp,
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params.type,
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params.method,
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params.realm,
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params.args,
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params.stackTrace
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)
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if (filterBy != undefined) {
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if (params?.level === filterBy.getLevel()) {
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callback(consoleEntry)
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}
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return
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}
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callback(consoleEntry)
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return
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}
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if (
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params != undefined &&
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!['console', 'javascript'].includes(params?.type)
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) {
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let genericEntry = new GenericLogEntry(
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params.level,
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params.text,
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params.timestamp,
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params.type,
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params.stackTrace
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)
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if (filterBy != undefined) {
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if (params?.level === filterBy.getLevel()) {
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callback(genericEntry)
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}
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return
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}
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callback(genericEntry)
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}
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})
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}
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/**
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* Unsubscribe to log event
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* @returns {Promise<void>}
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*/
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async close () {
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await this.bidi.unsubscribe('log.entryAdded', this._browsingContextIds)
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}
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}
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/**
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* initiate inspector instance and return
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* @param driver
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* @param browsingContextIds
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* @returns {Promise<LogInspector>}
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*/
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async function getLogInspectorInstance (driver, browsingContextIds) {
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let instance = new LogInspector(driver, browsingContextIds)
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await instance.init()
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return instance
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}
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/**
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* API
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* @type {function(*, *): Promise<LogInspector>}
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*/
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module.exports = getLogInspectorInstance
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