feat: initial commit - Phase 1 & 2 core features

2026-04-22 17:07:33 +08:00
commit 1773bda06b
25005 changed files with 6252106 additions and 0 deletions
@@ -0,0 +1,11 @@
+'use strict';
+
+var $isNaN = require('./isNaN');
+
+/** @type {import('./sign')} */
+module.exports = function sign(number) {
+	if ($isNaN(number) || number === 0) {
+		return number;
+	}
+	return number < 0 ? -1 : +1;
+};