CodeMirror Kakoune CM5

CodeMirror 5 adapter over the shared kakoune-core-js engine, adhering to CodeMirror 5's native keyMap architecture.

Installation

npm install codemirror-kakoune-cm5 codemirror@^5.65.0
# or
pnpm add codemirror-kakoune-cm5 codemirror@^5.65.0

Or via JSR:

npx jsr add @ykmade/codemirror-kakoune-cm5

Quick Start

import CodeMirror from "codemirror";
import { kakoune } from "codemirror-kakoune-cm5";

const editor = CodeMirror(document.querySelector("#editor"), {
  lineNumbers: true,
  tabSize: 2
});

kakoune(editor, {
  initialMode: "select",
  onWhichKey: (pending, items) => {
    // Optional hook for which-key UI
  },
  onPrompt: prompt => {
    // Optional hook for regex select (s) / split (S) UI
  }
});

Key Features

• Motions: h j k l, w b e, W B E, 0 $, g h/l/k/j/g, G h/l/k/j/g/G, count+G
• Selections & Lines: x (select line), % (select all), <A-j> (join lines), <A-J> (join lines & select spaces), _ (trim whitespace)
• Transformations: ~ (uppercase), ` (lowercase), <A->` (swap case)
• Edits: d (delete), c (change), y (yank), p (paste after), P (paste before), o (open below), O (open above), <A-o> / <A-O> (empty lines)
• Regex & Search: s (select matches), S (split selection)
• History: u (undo), U (redo)

License

MIT