Function sanitizeUnifiedDiff

src/core/diff/stats.ts:16–19

(diff: string)

 * Remove non-semantic diff noise like "No newline at end of file"
 */
export function sanitizeUnifiedDiff(diff: string): string {
	if (!diff) return diff
	return diff.replace(/\r\n/g, "\n").replace(/(^|\n)[ \t]*(?:\\ )?No newline at end of file[ \t]*(?=\n|$)/gi, "$1")
}

/**
 * Compute +/− counts from a unified diff (ignores headers/hunk lines)