firest commit

2026-02-21 22:48:40 +08:00
commit 55e8053e07
1034 changed files with 99049 additions and 0 deletions
@@ -0,0 +1,26 @@
+export default function stripFinalNewline(input) {
+	if (typeof input === 'string') {
+		return stripFinalNewlineString(input);
+	}
+
+	if (!(ArrayBuffer.isView(input) && input.BYTES_PER_ELEMENT === 1)) {
+		throw new Error('Input must be a string or a Uint8Array');
+	}
+
+	return stripFinalNewlineBinary(input);
+}
+
+const stripFinalNewlineString = input =>
+	input.at(-1) === LF
+		? input.slice(0, input.at(-2) === CR ? -2 : -1)
+		: input;
+
+const stripFinalNewlineBinary = input =>
+	input.at(-1) === LF_BINARY
+		? input.subarray(0, input.at(-2) === CR_BINARY ? -2 : -1)
+		: input;
+
+const LF = '\n';
+const LF_BINARY = LF.codePointAt(0);
+const CR = '\r';
+const CR_BINARY = CR.codePointAt(0);