feat: frontend PWA scaffolding with React and Tailwind

frontend/node_modules/es-abstract/2025/IsStrictlyEqual.js

@@ -0,0 +1,14 @@
+'use strict';
+
+var SameValueNonNumber = require('./SameValueNonNumber');
+var NumberEqual = require('./Number/equal');
+var SameType = require('./SameType');
+
+// https://262.ecma-international.org/16.0/#sec-isstrictlyequal
+
+module.exports = function IsStrictlyEqual(x, y) {
+	if (!SameType(x, y)) {
+		return false;
+	}
+	return typeof x === 'number' ? NumberEqual(x, y) : SameValueNonNumber(x, y);
+};