Host Grabber ++

 

A web extension that allows to find and download media files from various hosts.
It was originally designed for Mozilla Firefox but might be adapted to other web browsers.

It works like the former Image Host Grabber extension, but unlike it, it is not restricted to downloading images.

Notices:

• IHG's catalog is not compatible with this extension.
• The list of hosts is different.
• The current list is not guaranteed to be up-to-date. Feel free to contribute.

Roadmap

Short-term

• Add a way to manage a dictionary locally (add, remove, enable, disable rules).

Development

Source code is available on Github.
Test assertions are written with expect.js.
To test and debug it live, use...

CLI options:

# Install dependencies
npm install

# Execute tests on both Chrome and Firefox
npm test

# Execute tests for Firefox only
npm run test-firefox

# Execute tests for Chrome only
npm run test-chrome

# Verifying linting
npm run lint

# Package the extension to submit it to addons.mozilla.org
npm run build

Testing in Firefox

Testing in a separate browser:

• Make sure you have followed the previous instructions (CLI options).
• Then type in npm run web-ext in your terminal.
• A new instance of the browser will be launched.

Testing in your usual browser:

• Open about:debugging in Firefox.
• Click Load Temporary Add-on and select any file in the module's sources.

Debugging the extension:

• Open about:debugging in Firefox.
• Click Load Temporary Add-on and select any file in the module's sources.
• Check the box labeled Enable add-on debugging.
• Click the Debug button next to the extension.
• Click OK in the warning dialog.

Testing in Chrome / Chromium

Testing in your usual browser:

• Open chrome:extensions in Firefox.
• Make sure the page is in developer mode.
• Click Load unpacked and select any file in the module's sources.

You can debug it by clicking Inspect views: background page.

Testing the Documentation

cd docs/
docker run --rm --label=jekyll --volume=$(pwd):/srv/jekyll -it -p 4000:4000 jekyll/jekyll jekyll serve

Notice that the startup takes a little time.

Source Code Organization

This project is a web extension, originally created for Mozilla Firefox.
However, it should be possible to adapt it for other web browsers. The source code organization may help for this.

• library.*.js files are pure Javascript files. They are independent from browser code. They must be tested with unit tests!
• Other Javascript files contain browser specific code.