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fix(tui): decode CSI-u Ctrl+letter inside bracketed paste, fixes #3599 (#3623)

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Co-authored-by: Georgi Chochev <georgi.chochev@siteground.com>
This commit is contained in:
Georgi
2026-04-24 14:30:49 +03:00
committed by GitHub
parent 6e6c9b4d28
commit d06db09a53
2 changed files with 23 additions and 1 deletions
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14
packages/tui/src/components/editor.ts
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@@ -1088,8 +1088,20 @@ export class Editor implements Component, Focusable {
this.pushUndoSnapshot();
// Some terminals (e.g. tmux popups with extended-keys-format=csi-u) re-encode
// control bytes inside bracketed paste as CSI-u Ctrl+<letter> sequences
// (ESC [ <codepoint> ; 5 u). Decode those back to their literal byte so the
// per-char filter below preserves newlines instead of stripping ESC and
// leaking the printable tail (e.g. "[106;5u") into the editor.
const decodedText = pastedText.replace(/\x1b\[(\d+);5u/g, (match, code) => {
const cp = Number(code);
if (cp >= 97 && cp <= 122) return String.fromCharCode(cp - 96);
if (cp >= 65 && cp <= 90) return String.fromCharCode(cp - 64);
return match;
});
// Clean the pasted text: normalize line endings, expand tabs
const cleanText = this.normalizeText(pastedText);
const cleanText = this.normalizeText(decodedText);
// Filter out non-printable characters except newlines
let filteredText = cleanText