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fix(tui): refactor the multi-line insertion handling

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Sviatoslav Abakumov 2026-01-25 16:29:20 +04:00
parent 7d2d170c1b
commit 609095b0b6
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1 changed files with 12 additions and 19 deletions
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31
packages/tui/src/components/editor.ts
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@ -849,30 +849,23 @@ export class Editor implements Component, Focusable {
this.state.cursorCol += normalized.length;
} else {
// Multi-line insertion
const newLines: string[] = [];
this.state.lines = [
// All lines before current line
...this.state.lines.slice(0, this.state.cursorLine),
// Add all lines before current line
for (let i = 0; i < this.state.cursorLine; i++) {
newLines.push(this.state.lines[i] || "");
}
// The first inserted line merged with text before cursor
beforeCursor + insertedLines[0],
// Add the first inserted line merged with text before cursor
newLines.push(beforeCursor + (insertedLines[0] || ""));
// All middle inserted lines
...insertedLines.slice(1, -1),
// Add all middle inserted lines
for (let i = 1; i < insertedLines.length - 1; i++) {
newLines.push(insertedLines[i] || "");
}
// The last inserted line with text after cursor
insertedLines[insertedLines.length - 1] + afterCursor,
// Add the last inserted line with text after cursor
newLines.push((insertedLines[insertedLines.length - 1] || "") + afterCursor);
// All lines after current line
...this.state.lines.slice(this.state.cursorLine + 1),
];
// Add all lines after current line
for (let i = this.state.cursorLine + 1; i < this.state.lines.length; i++) {
newLines.push(this.state.lines[i] || "");
}
this.state.lines = newLines;
this.state.cursorLine += insertedLines.length - 1;
this.state.cursorCol = (insertedLines[insertedLines.length - 1] || "").length;
}