Function truncateOutput

src/integrations/misc/extract-text.ts:240–301

(content: string, lineLimit?: number, characterLimit?: number)

 * // Result: First ~8000 chars + "[...60002 characters omitted...]" + Last ~32000 chars
 */
export function truncateOutput(content: string, lineLimit?: number, characterLimit?: number): string {
	// If no limits are specified, return original content
	if (!lineLimit && !characterLimit) {
		return content
	}

	// Character limit takes priority over line limit
	if (characterLimit && content.length > characterLimit) {
		const beforeLimit = Math.floor(characterLimit * 0.2) // 20% of characters before
		const afterLimit = characterLimit - beforeLimit // remaining 80% after

		const startSection = content.slice(0, beforeLimit)
		const endSection = content.slice(-afterLimit)
		const omittedChars = content.length - characterLimit

		return startSection + `\n[...${omittedChars} characters omitted...]\n` + endSection
	}

	// If character limit is not exceeded or not specified, check line limit
	if (!lineLimit) {
		return content
	}

	// Count total lines
	let totalLines = 0
	let pos = -1
	while ((pos = content.indexOf("\n", pos + 1)) !== -1) {
		totalLines++
	}
	totalLines++ // Account for last line without line feed (\n)

	if (totalLines <= lineLimit) {
		return content
	}

	const beforeLimit = Math.floor(lineLimit * 0.2) // 20% of lines before
	const afterLimit = lineLimit - beforeLimit // remaining 80% after

	// Find start section end position
	let startEndPos = -1
	let lineCount = 0
	pos = 0
	while (lineCount < beforeLimit && (pos = content.indexOf("\n", pos)) !== -1) {
		startEndPos = pos
		lineCount++
		pos++
	}

	// Find end section start position
	let endStartPos = content.length
	lineCount = 0
	pos = content.length
	while (lineCount < afterLimit && (pos = content.lastIndexOf("\n", pos - 1)) !== -1) {
		endStartPos = pos + 1 // Start after the line feed (\n)
		lineCount++
	}

	const omittedLines = totalLines - lineLimit