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feat(terminal): add per-tab auto-fold toggle to block menu - #229
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The fold store already exposed a shouldAutoFold hook; wire a per-tab $state into it so users can temporarily suspend auto-folding from the command-block right-click menu ("临时关闭自动折叠").
Only affects future output — existing folds stay untouched and manual unfold still works (the two are orthogonal). Per-tab isolation comes for free from the keyed TerminalPane instance; the toggle survives tab switches and reconnects, resetting only when the tab closes.
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🚧 Files skipped from review as they are similar to previous changes (3)
📝 WalkthroughWalkthroughThis change adds a per-tab context-menu toggle for terminal command-block auto-folding. The toggle affects new output only. Existing automatic folds remain enforceable during resize and reflow. English and Chinese labels are included. ChangesTerminal auto-fold control
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: ⚪ Minimal · up to This adds a per-tab option to temporarily disable automatic output folding without changing existing manual folding behavior. No actionable merge-blocking risk remains after normal checks and review. Sequence Diagram(s)sequenceDiagram
participant User
participant TerminalPane
participant FoldStore
User->>TerminalPane: Toggle auto-fold from context menu
TerminalPane->>FoldStore: Update shouldFoldNewOutput
FoldStore->>FoldStore: Skip folding new output when disabled
FoldStore->>FoldStore: Reapply existing folds during reflow
Possibly related PRs
🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✨ Finishing Touches📝 Generate docstrings
🧪 Generate unit tests (beta)
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Pull request overview
Adds a per-tab, temporary “auto-fold disabled” toggle to the command-block context menu in TerminalPane, wiring it into the existing fold store’s shouldAutoFold hook so automatic folding can be turned off/on without affecting existing folds.
Changes:
- Introduce a component-local per-tab
$stateflag (autoFoldDisabled) and gate fold-store auto-folding on it. - Add a new context-menu item to toggle auto-fold for the current terminal tab.
- Add i18n strings (en + zh) for the new menu item’s two states.
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
| src/lib/components/TerminalPane.svelte | Adds per-tab state + context-menu toggle; wires shouldAutoFold to respect the toggle. |
| src/lib/i18n/locales/en.ts | Adds English labels for enabling/disabling auto-fold from the block menu. |
| src/lib/i18n/locales/zh.ts | Adds Chinese labels for enabling/disabling auto-fold from the block menu. |
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Actionable comments posted: 1
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Inline comments:
In `@src/lib/components/TerminalPane.svelte`:
- Line 1658: Update the resize/reflow fold-restoration path around fitTerminal()
and the shouldAutoFold callback so autoFoldDisabled prevents folding future
output without preventing existing folds from being recreated after unfoldAll().
Preserve the existing policy for new output, ensure existing folds survive
disable → resize/reflow, and add a regression test covering that sequence.
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ℹ️ Review info
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Configuration used: defaults
Review profile: CHILL
Plan: Pro Plus
Run ID: c776298a-2a2a-4beb-b917-7f39dc140219
📒 Files selected for processing (3)
src/lib/components/TerminalPane.sveltesrc/lib/i18n/locales/en.tssrc/lib/i18n/locales/zh.ts
CodeRabbit review on #229: routing autoFoldDisabled through shouldAutoFold also gated enforceAutoFold, so disabling auto-fold skipped the reflow re-application and a resize afterwards lost all existing folds. Split the two concerns in FoldStoreOptions: shouldAutoFold gates everything (bar on/off); shouldFoldNewOutput gates only incremental folding of new output. enforceAutoFold (resize/reflow restoration) ignores shouldFoldNewOutput, so existing folds survive a resize while the per-tab toggle suspends future folding. Also align the enable/disable menu labels (both note per-tab scope) and add regression tests for both paths.
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Pull request overview
Copilot reviewed 5 out of 5 changed files in this pull request and generated no new comments.
Suppressed comments (4)
src/lib/components/TerminalPane.svelte:230
- The inline comment says the toggle affects
shouldAutoFold, but the implementation wires the per-tab toggle intoshouldFoldNewOutput. This comment is misleading and should reference the correct option/behavior (new output only).
// Per-tab: when true the fold store stops auto-folding new output (see
// shouldAutoFold below). Existing folds stay untouched; flip back to fold
// future output again. Survives reconnect and tab switches; resets only
// when the tab closes (this keyed component instance is destroyed).
src/lib/i18n/locales/en.ts:234
- The menu labels say “Disable/Enable auto-fold”, but the new option only suspends folding of new output (enforceAutoFold on resize/reflow can still re-fold). Consider clarifying the user-facing strings to avoid implying a full disable.
"terminal.block.menu.disable_auto_fold": "Disable auto-fold (this tab)",
"terminal.block.menu.enable_auto_fold": "Enable auto-fold (this tab)",
src/lib/i18n/locales/zh.ts:236
- Same as en: current wording reads like a full “disable auto-fold”, but the new toggle only affects new output. Consider clarifying the strings so users understand resize/reflow can still restore/reapply folds.
"terminal.block.menu.disable_auto_fold": "临时关闭自动折叠（当前标签）",
"terminal.block.menu.enable_auto_fold": "开启自动折叠（当前标签）",
src/lib/terminal/folds.ts:86
- The docstring says this “suspends folding of future output”, but since
enforceAutoFoldis intentionally unaffected, a resize/reflow can still fold an overflowing block even while this returns false. Consider making that consequence explicit in the doc comment to match runtime behavior and avoid confusion for callers.
/** Suspend folding of *new* output only. enforceAutoFold (the resize/reflow
* re-application) is unaffected, so existing folds survive a resize while a
* per-tab "disable auto-fold" toggle suspends folding of future output. */
shouldFoldNewOutput?: () => boolean;
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What
Adds a "Disable auto-fold" toggle to the command-block right-click menu (临时关闭自动折叠). Per-tab, temporary, re-enablable.
Why
Auto-fold keeps long output tidy, but sometimes you want to watch output flow without the oldest rows being folded away. The fold store already exposed a
shouldAutoFoldhook, so this is a near-zero-cost per-tab switch.How
TerminalPane.svelte: component-local$state(false)autoFoldDisabled, wired intoshouldAutoFold: () => app.commandBlockBar() && !autoFoldDisabled. New toggle item appended to the block context menu.Behavior
TerminalPaneinstance, so the toggle is isolated. Survives tab switches and reconnects; resets only when the tab closes.Verification
vite buildclean;vitest678/678.Summary by CodeRabbit
New Features
Localization