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fix: guard lineInfo getter against undefined logicalLineInfo #96

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Merged
hyldmo merged 1 commit into from
Mar 23, 2026
Merged

fix: guard lineInfo getter against undefined logicalLineInfo #96

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37 changes: 32 additions & 5 deletions patches/ghostty-opentui@1.4.7.patch
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
diff --git a/dist/terminal-buffer.js b/dist/terminal-buffer.js
index 818145199154a290083de72f87a69ecbc2acd167..5dac6238d07492af38da5412382472d8d670e1d1 100644
index 197ecab7df10ed4b19473af370bb551635ddbe6e..26cea6765fb25dbf0af364c30e764c827f2c8fe9 100644
--- a/dist/terminal-buffer.js
+++ b/dist/terminal-buffer.js
@@ -442,7 +442,9 @@ export class GhosttyTerminalRenderable extends TextBufferRenderable {
Expand All @@ -22,29 +22,56 @@ index 818145199154a290083de72f87a69ecbc2acd167..5dac6238d07492af38da5412382472d8
// If we have line start info, use it; otherwise fall back to simple calculation
let lineYOffset = clampedLine;
if (lineStarts && lineStarts.length > clampedLine) {
@@ -477,5 +479,12 @@ export class GhosttyTerminalRenderable extends TextBufferRenderable {
return this.y + lineYOffset;
}
}
+const EMPTY_LINE_INFO = { lineStarts: [], lineStartCols: [], lineWidthColsMax: 0, lineSources: [] };
+Object.defineProperty(GhosttyTerminalRenderable.prototype, 'lineInfo', {
+ get() {
+ return this.textBufferView.logicalLineInfo ?? EMPTY_LINE_INFO;
+ },
+ configurable: true,
+});
/** @deprecated Use GhosttyTerminalRenderable instead */
export const TerminalBufferRenderable = GhosttyTerminalRenderable;
diff --git a/src/terminal-buffer.ts b/src/terminal-buffer.ts
index 818145199154a290083de72f87a69ecbc2acd167..5dac6238d07492af38da5412382472d8d670e1d1 100644
index 818145199154a290083de72f87a69ecbc2acd167..74d376238fb1c2702e6b070b20cdbb6cc26bb67f 100644
--- a/src/terminal-buffer.ts
+++ b/src/terminal-buffer.ts
@@ -585,7 +585,9 @@ export class GhosttyTerminalRenderable extends TextBufferRenderable {

// Update line count based on actual rendered lines
const lineInfo = this.textBufferView.logicalLineInfo
- this._lineCount = lineInfo.lineStarts.length
+ if (lineInfo) {
+ this._lineCount = lineInfo.lineStarts.length
+ }

this._ansiDirty = false
}
@@ -613,8 +615,8 @@ export class GhosttyTerminalRenderable extends TextBufferRenderable {
// Get the line info which contains actual Y offsets for each line
// This accounts for wrapping and actual text layout
const lineInfo = this.textBufferView.logicalLineInfo
- const lineStarts = lineInfo.lineStarts
-
-
+ const lineStarts = lineInfo?.lineStarts
+
// If we have line start info, use it; otherwise fall back to simple calculation
let lineYOffset = clampedLine
if (lineStarts && lineStarts.length > clampedLine) {
@@ -626,5 +628,13 @@ export class GhosttyTerminalRenderable extends TextBufferRenderable {
}
}

+const EMPTY_LINE_INFO = { lineStarts: [], lineStartCols: [], lineWidthColsMax: 0, lineSources: [] }
+Object.defineProperty(GhosttyTerminalRenderable.prototype, 'lineInfo', {
+ get() {
+ return this.textBufferView.logicalLineInfo ?? EMPTY_LINE_INFO
+ },
+ configurable: true,
+})
+
/** @deprecated Use GhosttyTerminalRenderable instead */
export const TerminalBufferRenderable = GhosttyTerminalRenderable
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