Method deleteWordBackwards

packages/pi-tui/src/components/editor.ts:1654–1697

()

	}

	private deleteWordBackwards(): void {
		this.exitHistoryBrowsing();

		const currentLine = this.state.lines[this.state.cursorLine] || "";

		// If at start of line, behave like backspace at column 0 (merge with previous line)
		if (this.state.cursorCol === 0) {
			if (this.state.cursorLine > 0) {
				this.pushUndoSnapshot();

				// Treat newline as deleted text (backward deletion = prepend)
				this.killRing.push("\n", { prepend: true, accumulate: this.lastAction === "kill" });
				this.lastAction = "kill";

				const previousLine = this.state.lines[this.state.cursorLine - 1] || "";
				this.state.lines[this.state.cursorLine - 1] = previousLine + currentLine;
				this.state.lines.splice(this.state.cursorLine, 1);
				this.state.cursorLine--;
				this.setCursorCol(previousLine.length);
			}
		} else {
			this.pushUndoSnapshot();

			// Save lastAction before cursor movement (moveWordBackwards resets it)
			const wasKill = this.lastAction === "kill";

			const oldCursorCol = this.state.cursorCol;
			this.moveWordBackwards();
			const deleteFrom = this.state.cursorCol;
			this.setCursorCol(oldCursorCol);

			const deletedText = currentLine.slice(deleteFrom, this.state.cursorCol);
			this.killRing.push(deletedText, { prepend: true, accumulate: wasKill });
			this.lastAction = "kill";

			this.state.lines[this.state.cursorLine] =
				currentLine.slice(0, deleteFrom) + currentLine.slice(this.state.cursorCol);
			this.setCursorCol(deleteFrom);
		}

		if (this.onChange) {
			this.onChange(this.getText());
		}
	}

	private deleteWordForward(): void {
		this.exitHistoryBrowsing();