/**
 * Shared utility for truncating text to visual lines (accounting for line wrapping).
 * Used by both tool-execution.ts and bash-execution.ts for consistent behavior.
 */
import { Text } from "@earendil-works/pi-tui";
/**
 * Truncate text to a maximum number of visual lines (from the end).
 * This accounts for line wrapping based on terminal width.
 *
 * @param text - The text content (may contain newlines)
 * @param maxVisualLines - Maximum number of visual lines to show
 * @param width - Terminal/render width
 * @param paddingX - Horizontal padding for Text component (default 0).
 *                   Use 0 when result will be placed in a Box (Box adds its own padding).
 *                   Use 1 when result will be placed in a plain Container.
 * @returns The truncated visual lines and count of skipped lines
 */
export function truncateToVisualLines(text, maxVisualLines, width, paddingX = 0) {
    if (!text) {
        return { visualLines: [], skippedCount: 0 };
    }
    // Create a temporary Text component to render and get visual lines
    const tempText = new Text(text, paddingX, 0);
    const allVisualLines = tempText.render(width);
    if (allVisualLines.length <= maxVisualLines) {
        return { visualLines: allVisualLines, skippedCount: 0 };
    }
    // Take the last N visual lines
    const truncatedLines = allVisualLines.slice(-maxVisualLines);
    const skippedCount = allVisualLines.length - maxVisualLines;
    return { visualLines: truncatedLines, skippedCount };
}
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