Function convertNewFileToUnifiedDiff

src/core/diff/stats.ts:65–71

(content: string, filePath?: string)

 * Trailing newline is ignored for line counting and emission.
 */
export function convertNewFileToUnifiedDiff(content: string, filePath?: string): string {
	const newFileName = filePath || "file"
	// Normalize EOLs; rely on library for unified patch formatting
	const normalized = (content || "").replace(/\r\n/g, "\n")
	// Old file is empty (/dev/null), new file has content; zero context to show all lines as additions
	return createTwoFilesPatch("/dev/null", newFileName, "", normalized, undefined, undefined, { context: 0 })
}