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Chrome Launcher npm v0.3.2

從 Node 輕鬆啟動 Google Chrome。

PandorymPandorym

本文翻譯自:Chrome Launcher
原文更新時間:July 21,2017
譯者:Pandorym

從 Node 輕鬆啟動 Google Chrome。

安裝

yarn add chrome-launcher

# or with npm:
npm install chrome-launcher

API

.launch([opts])

啟動選項

{
  // (optional) remote debugging port number to use. If provided port is already busy, launch() will reject
  // Default: an available port is autoselected
  port: number;

  // (optional) Additional flags to pass to Chrome, for example: ['--headless', '--disable-gpu']
  // See all flags here: http://peter.sh/experiments/chromium-command-line-switches/
  // Do note, many flags are set by default: https://github.com/GoogleChrome/lighthouse/blob/master/chrome-launcher/flags.ts
  chromeFlags: Array<string>;

  // (optional) Close the Chrome process on `Ctrl-C`
  // Default: true
  handleSIGINT: boolean;

  // (optional) Explicit path of intended Chrome binary
  // If the `CHROME_PATH` env variable is set, that will be used
  // Usage of `LIGHTHOUSE_CHROMIUM_PATH` env variable is deprecated
  // By default, any detected Chrome Canary or Chrome (stable) will be launched
  chromePath: string;

  // (optional) Chrome profile path to use
  // By default, a fresh Chrome profile will be created
  userDataDir: string;

  // (optional) Starting URL to open the browser with
  // Default: `about:blank`
  startingUrl: string;

  // (optional) Logging level: verbose, info, error, silent
  // Default: 'info'
  logLevel: string;

  // (optional) Enable extension loading
  // Default: false
  enableExtensions: boolean
};

啟動 chrome 后的接口

.launch().then(chrome => ...

// The remote debugging port exposed by the launched chrome
chrome.port: number;

// Method kill Chrome (and cleanup the profile folder)
chrome.kill: () => Promise<{}>;

// The process id
chrome.pid: number;

Examples

啟動 chrome

const chromeLauncher = require('chrome-launcher');

chromeLauncher.launch({
  startingUrl: 'https://google.com'
}).then(chrome => {
  console.log(`Chrome debugging port running on ${chrome.port}`);
});

持續集成

在一個想 Travis 這樣的 CI 環境,可能沒有安裝 Chrome。如果你想要使用chrome-launcher,你可以使用 Lighthouse 的download-chrome.sh安裝 Chrome。

curl -L https://raw.githubusercontent.com/GoogleChrome/lighthouse/v2.1.0/lighthouse-core/scripts/download-chrome.sh | bash

然後在.travis.yml中,像這樣使用它:

language: node_js
install:
  - yarn install
before_script:
  - export DISPLAY=:99.0
  - export LIGHTHOUSE_CHROMIUM_PATH="$(pwd)/chrome-linux/chrome"
  - sh -e /etc/init.d/xvfb start
  - curl -L https://raw.githubusercontent.com/GoogleChrome/lighthouse/v2.1.0/lighthouse-core/scripts/download-chrome.sh | bash
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