Function positionCursor

packages/pi-tui/test/editor.test.ts:3317–3325

(editor: Editor, line: number, col: number)

	describe("Sticky column", () => {
		// Helper: position cursor at a specific line and column
		function positionCursor(editor: Editor, line: number, col: number): void {
			// Go to line 0 first
			for (let i = 0; i < 20; i++) editor.handleInput("\x1b[A");
			// Go to target line
			for (let i = 0; i < line; i++) editor.handleInput("\x1b[B");
			// Go to target col
			editor.handleInput("\x01"); // Ctrl+A
			for (let i = 0; i < col; i++) editor.handleInput("\x1b[C");
		}

		it("preserves target column when moving up through a shorter line", () => {
			const editor = new Editor(createTestTUI(), defaultEditorTheme);