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fix(tui): add isHome, isEnd, isDelete helpers for Kitty protocol

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Extended the Kitty protocol parser to handle functional keys with
~ terminator (Delete, Insert, PageUp, PageDown) and Home/End keys.
Updated editor.ts and input.ts to use the new helpers.
This commit is contained in:
Mario Zechner 2025-12-19 21:00:20 +01:00
parent 716516d61e
commit cbd20b58a6
4 changed files with 84 additions and 7 deletions
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12
packages/tui/src/components/editor.ts
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@ -16,8 +16,11 @@ import {
isCtrlRight,
isCtrlU,
isCtrlW,
isDelete,
isEnd,
isEnter,
isEscape,
isHome,
isShiftEnter,
isTab,
} from "../keys.js";
@ -459,16 +462,13 @@ export class Editor implements Component {
this.handleBackspace();
}
// Line navigation shortcuts (Home/End keys)
else if (data === "\x1b[H" || data === "\x1b[1~" || data === "\x1b[7~") {
// Home key
else if (isHome(data)) {
this.moveToLineStart();
} else if (data === "\x1b[F" || data === "\x1b[4~" || data === "\x1b[8~") {
// End key
} else if (isEnd(data)) {
this.moveToLineEnd();
}
// Forward delete (Fn+Backspace or Delete key)
else if (data === "\x1b[3~") {
// Delete key
else if (isDelete(data)) {
this.handleForwardDelete();
}
// Word navigation (Option/Alt + Arrow or Ctrl + Arrow)

3
packages/tui/src/components/input.ts
View file

@ -8,6 +8,7 @@ import {
isCtrlK,
isCtrlU,
isCtrlW,
isDelete,
isEnter,
} from "../keys.js";
import type { Component } from "../tui.js";
@ -118,7 +119,7 @@ export class Input implements Component {
return;
}
if (data === "\x1b[3~") {
if (isDelete(data)) {
// Delete - delete grapheme at cursor (handles emojis, etc.)
if (this.cursor < this.value.length) {
const afterCursor = this.value.slice(this.cursor);