GitHub WYSIWYG Rich-Text Editor

GitHub Writer is a WYSIWYG rich-text editor for GitHub. The extension is available when creating or commenting on issues, reviews, pull requests, and wikis. 

It provides all the features available in the GitHub plain-text editor, including Markdown input. For features like tables, it offers a much easier experience in comparison to plain-text Markdown and allows users to be more productive. 

It is powered by CKEditor 5, a modern JavaScript rich-text editor.

Installation

The extension can be found at the following directories for an easy one click installation:

• GitHub Writer at Chrome Web Store
• GitHub Writer at Firefox Add-ons

Features

One of the goals of this extension is to provide all the typical features available in the GitHub plain-text editor, including Markdown support. The following is the list of GitHub features, with the ones checked already available in GitHub Writer:

• Inline formatting
  • Bold
  • Italic
  • Strikethrough
  • Inline code
• Structure
  • Paragraphs (Enter)
  • Soft line-break (Shift+Enter)
  • Headings
  • Horizontal line separator
• Blocks
  • Quotation
  • Code block
    • Language selection
• Lists
  • Bulleted list
  • Numbered list
  • Task/To-do list
• Links
  • On text
  • Auto-link URLs on pasting.
  • Auto-link URLs on typing.
• Media
  • Image upload (including Wiki)
    • Drag-and-drop
    • Paste
    • Open file dialog
• Mermaid diagrams
• Auto-complete
  • People (list when typing "@")
  • Issues and PRs (list when typing "#")
• Other
  • Emoji
    • OS, Unicode characters
    • Auto-complete (list when typing ":")
  • Escape Markdown in text
  • Tables
  • Quote selection (r key)
  • PR code suggestions
  • Saved replies

Pages enabled

GitHub Writer should be enabled in all places where the original Markdown editor is available. The following are currently implemented:

• Issues
  • New
  • Editing
  • Comment
    • Editing
• Pull requests
  • Create
  • Comment
    • Editing
  • Review
  • Code comments
    • Editing
• Commits
  • Comment
  • Line comment
• Wiki pages
• Releases
• Milestones
• Settings > Saved Replies

Developer information

The source code contains additional readme files with technical details about the project:

• Development (setup, build, run).
• Tests (architecture, configuration, run).
• Architecture (source code, API).

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