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create-extension-cli

v0.3.0

Published

CLI to create Chrome/Firefox Extensions

Downloads

7

Vulnerabilities

Powered byPowered by Snyk
  • 0High
  • 0Medium
  • 0Low

Links

Git

Maintainers

zvakanakazvakanaka

Keywords

extensionCLIChromeFirefox

Readme

CLI to create Chrome/Firefox Extensions

Features

  • [x] Inject custom JavaScript/CSS onto specific pages at load
  • [x] Access to helper functions (tillTrue, fetchHtml, handleScroll, etc.)
  • [x] Each JS file wrapped in iife

Example

NPM Stats Extension (JS) Hacker News Dark Mode Extension (CSS)

Usage

$ npm install --save-dev create-extension-cli

$ npx ce

JavaScript

Create JavaScript file(s) (ending in .js) in src/js. This file(s) will be injected onto any page in your manifest's content_scripts.matches.

CSS

Create CSS file(s) (ending in .css) in src/css.

Build extension

(JS and CSS is output to dist directory)

$ npx ce

Generate Archive.zip with only the essentials needed to run (for Firefox):

$ npx ce zip

Loading Your Extension

Firefox

  • about:debugging -> "This Firefox" -> "Load Temporary Add-on" -> Select the Archive.zip

Chrome

  • chrome://extensions -> Developer Mode (switch on) -> "Load unpacked" (must extract Archive.zip first)

Future Possibilities

  • Resources (images etc.)
  • Build & download your extension from a website