chore(deps): bump @xterm/xterm from 5.5.0 to 6.0.0 in /apps/frontend (#270)

* chore(deps): bump @xterm/xterm from 5.5.0 to 6.0.0 in /apps/frontend

Bumps [@xterm/xterm](https://github.com/xtermjs/xterm.js) from 5.5.0 to 6.0.0.
- [Release notes](https://github.com/xtermjs/xterm.js/releases)
- [Commits](https://github.com/xtermjs/xterm.js/compare/5.5.0...6.0.0)

---
updated-dependencies:
- dependency-name: "@xterm/xterm"
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

* fix(deps): update xterm addons for 6.0.0 compatibility and use public APIs

CRITICAL: Updated all xterm addons to versions compatible with xterm 6.0.0:
- @xterm/addon-fit: ^0.10.0 → ^0.11.0
- @xterm/addon-serialize: ^0.13.0 → ^0.14.0
- @xterm/addon-web-links: ^0.11.0 → ^0.12.0
- @xterm/addon-webgl: ^0.18.0 → ^0.19.0

HIGH: Refactored scroll-controller.ts to use public xterm APIs:
- Replaced internal _core access with public buffer/scroll APIs
- Uses onScroll and onWriteParsed events for scroll tracking
- Uses scrollLines() for scroll position restoration
- Proper IDisposable cleanup for event listeners
- Falls back gracefully if onWriteParsed is not available

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: AndyMik90 <andre@mikalsenutvikling.no>
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
dependabot[bot]
2025-12-25 21:05:35 +01:00
committed by GitHub
parent f1cc5a09f2
commit 50dd10788a
3 changed files with 117 additions and 109 deletions
+53 -65
View File
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"funding": {
"url": "https://github.com/sponsors/colinhacks"
}
+5 -5
View File
@@ -65,11 +65,11 @@
"@radix-ui/react-tooltip": "^1.2.8",
"@tailwindcss/typography": "^0.5.19",
"@tanstack/react-virtual": "^3.13.13",
"@xterm/addon-fit": "^0.10.0",
"@xterm/addon-serialize": "^0.13.0",
"@xterm/addon-web-links": "^0.11.0",
"@xterm/addon-webgl": "^0.18.0",
"@xterm/xterm": "^5.5.0",
"@xterm/addon-fit": "^0.11.0",
"@xterm/addon-serialize": "^0.14.0",
"@xterm/addon-web-links": "^0.12.0",
"@xterm/addon-webgl": "^0.19.0",
"@xterm/xterm": "^6.0.0",
"chokidar": "^5.0.0",
"class-variance-authority": "^0.7.1",
"clsx": "^2.1.1",
@@ -4,17 +4,18 @@
* Prevents automatic scroll-to-bottom during high-velocity terminal output
* when the user has manually scrolled up.
*
* Inspired by Tabby's scroll interception pattern - production-proven approach
* that intercepts xterm's native scrollToBottom method.
* Uses public xterm APIs for compatibility with xterm 6.0.0+.
* Falls back gracefully if scroll control is not available.
*/
import type { Terminal } from '@xterm/xterm';
import type { Terminal, IDisposable } from '@xterm/xterm';
export class ScrollController {
private userScrolledUp = false;
private originalScrollToBottom: (() => void) | null = null;
private xterm: Terminal | null = null;
private scrollListener: (() => void) | null = null;
private scrollDisposable: IDisposable | null = null;
private writeDisposable: IDisposable | null = null;
private savedScrollPosition: number | null = null;
/**
* Attach to an xterm instance
@@ -22,52 +23,61 @@ export class ScrollController {
attach(xterm: Terminal): void {
this.xterm = xterm;
// Access internal core (Tabby does this too - it's safe)
const core = (xterm as unknown as { _core: { scrollToBottom: () => void } })._core;
if (!core) {
console.warn('[ScrollController] Cannot access xterm core - scroll locking disabled');
return;
}
// Store original scrollToBottom method
this.originalScrollToBottom = core.scrollToBottom.bind(core);
// Intercept scrollToBottom - block when user has scrolled up
core.scrollToBottom = () => {
if (this.userScrolledUp) {
// No-op when user has scrolled up - this is the key fix!
return;
}
this.originalScrollToBottom?.();
};
// Track user scroll position
this.scrollListener = () => {
// Track user scroll position using public API
this.scrollDisposable = xterm.onScroll(() => {
const buffer = xterm.buffer.active;
// Check if user is at the bottom of the scrollback
const atBottom = buffer.baseY + xterm.rows >= buffer.length - 1;
this.userScrolledUp = !atBottom;
};
xterm.onScroll(this.scrollListener);
// If user scrolled up, save position to restore after writes
if (this.userScrolledUp) {
this.savedScrollPosition = buffer.viewportY;
}
});
console.warn('[ScrollController] Attached and intercepted scrollToBottom');
// Intercept writes to prevent auto-scroll when user has scrolled up
// This uses xterm's public onWriteParsed event (available in xterm 6.0.0+)
try {
// onWriteParsed fires after data is written and parsed
this.writeDisposable = xterm.onWriteParsed(() => {
if (this.userScrolledUp && this.savedScrollPosition !== null) {
// Restore scroll position after write auto-scrolls
// Use requestAnimationFrame to ensure it runs after xterm's internal scroll
requestAnimationFrame(() => {
if (this.xterm && this.savedScrollPosition !== null) {
// Calculate scroll delta to restore position
const buffer = this.xterm.buffer.active;
const targetY = Math.min(this.savedScrollPosition, buffer.length - this.xterm.rows);
const delta = targetY - buffer.viewportY;
if (delta !== 0) {
this.xterm.scrollLines(delta);
}
}
});
}
});
} catch {
// onWriteParsed may not be available in older versions
// Fall back to a simpler approach using scroll event only
console.warn('[ScrollController] onWriteParsed not available, scroll locking limited');
}
console.warn('[ScrollController] Attached using public APIs');
}
/**
* Detach from xterm and restore original behavior
* Detach from xterm and cleanup
*/
detach(): void {
if (this.xterm && this.originalScrollToBottom) {
const core = (this.xterm as unknown as { _core: { scrollToBottom: () => void } })._core;
if (core && this.originalScrollToBottom) {
core.scrollToBottom = this.originalScrollToBottom;
}
}
this.scrollDisposable?.dispose();
this.writeDisposable?.dispose();
this.xterm = null;
this.originalScrollToBottom = null;
this.scrollListener = null;
this.scrollDisposable = null;
this.writeDisposable = null;
this.userScrolledUp = false;
this.savedScrollPosition = null;
console.warn('[ScrollController] Detached');
}
@@ -77,7 +87,16 @@ export class ScrollController {
*/
forceScrollToBottom(): void {
this.userScrolledUp = false;
this.originalScrollToBottom?.();
this.savedScrollPosition = null;
if (this.xterm) {
const buffer = this.xterm.buffer.active;
// Scroll to the very bottom
const scrollAmount = buffer.length - buffer.viewportY - this.xterm.rows;
if (scrollAmount > 0) {
this.xterm.scrollLines(scrollAmount);
}
}
}
/**
@@ -92,6 +111,7 @@ export class ScrollController {
*/
reset(): void {
this.userScrolledUp = false;
this.savedScrollPosition = null;
}
/**