add hw2

node_modules/@iconify/utils/lib/misc/objects.js

@@ -0,0 +1,27 @@
+/**
+* Compares two objects, returns true if identical
+*
+* Reference object contains keys
+*/
+function compareObjects(obj1, obj2, ref = obj1) {
+	for (const key in ref) if (obj1[key] !== obj2[key]) return false;
+	return Object.keys(obj1).length === Object.keys(obj2).length;
+}
+/**
+* Unmerge objects, removing items that match in both objects
+*/
+function unmergeObjects(obj1, obj2) {
+	const result = { ...obj1 };
+	for (const key in obj2) if (result[key] === obj2[key]) delete result[key];
+	return result;
+}
+/**
+* Get common properties in 2 objects
+*/
+function commonObjectProps(item, reference) {
+	const result = Object.create(null);
+	for (const key in reference) if (key in item) result[key] = item[key];
+	return result;
+}
+
+export { commonObjectProps, compareObjects, unmergeObjects };