feat(fold): toggle folds and expandable regions with za / <CR> (#21)#23
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Folds (callouts/details) and expandable regions (truncated code blocks and tables) could previously only be toggled by clicking. Bind `za` and `<CR>` in the preview buffer to toggle the block under the cursor, so the preview is usable without a mouse. - `za` toggles the fold/region under the cursor (no-op otherwise). - `<CR>` toggles the block under the cursor, otherwise closes the window when it is a close key (float/tab mode), and is a no-op in toggle mode. - Extract side-effect-free `fold_at` / `region_at` finders shared by the mouse and keyboard handlers; mouse behavior (incl. URL precedence) is unchanged. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Closes #21.
折り畳み (callout /
<details>) と展開可能領域 (省略されたコードブロック・テーブル) は、これまでマウスクリックでしかトグルできませんでした。プレビューバッファ内でza/<CR>にバインドし、カーソル行のブロックをトグルできるようにします。マウスなしでもプレビューを操作できます。変更点
za— カーソル行の折り畳み / 展開ブロックをトグル (該当しない行では何もしない)。<CR>— カーソル行のブロックをトグル。該当しなければ、閉じるキーのとき (floating / tab モード) はウィンドウを閉じ、toggle モードでは何もしない。fold_at/region_atを抽出。マウスの挙動 (URL 優先処理を含む) は不変。テスト
tests/key_toggle_test.luaを新規追加 (za/<CR>の各経路、計 15 アサーション)。make test全パス (回帰なし)。ドキュメント (
README.md/README.ja.md/doc/md-render.txt/doc/md-render.jax) のキー一覧・機能一覧・レンダーモードの注記も更新済み。🤖 Generated with Claude Code