Function detectSourceEol

packages/shared/source-save-node.ts:40–51

(text: string)

}

export function detectSourceEol(text: string): SourceFileEol {
	const crlf = (text.match(/\r\n/g) ?? []).length;
	const withoutCrlf = text.replace(/\r\n/g, "");
	const loneCr = (withoutCrlf.match(/\r/g) ?? []).length;
	const loneLf = (withoutCrlf.match(/\n/g) ?? []).length;
	const lf = loneLf + loneCr;

	if (crlf === 0 && lf === 0) return "none";
	if (crlf > 0 && lf === 0) return "crlf";
	if (crlf === 0 && lf > 0) return "lf";
	return "mixed";
}

export function applySourceEolPolicy(text: string, eol: SourceFileEol): string {
	const normalized = text.replace(/\r\n?/g, "\n");