fix: #190. Add isSimpleEqual to utils

Author: Jenesius

src/utils/compare-changes.ts

@@ -2,6 +2,8 @@ import concatName from "./concat-name";
 import mergeObjects from "./merge-objects";
 import copyObject from "./copy-object";
 import isIterablePoint from "./is-iterable-point";
+import isEmptyObject from "./is-empty-object";
+import isSimpleEqual from "./is-simple-equal";
 
 export interface CompareItem {
 	name: string,
@@ -66,14 +68,16 @@ export function compareMergeChanges(sourceValue: any, changes: any) {
 }
 
 function step(this: CompareState, newValue: any, oldValue: any, name: string): any  {
+	console.log("=", newValue, oldValue)
 	// Если оба значения конечны.
 	if ( !isIterablePoint(newValue) && !isIterablePoint(oldValue)){
-		if (newValue !== oldValue)
+		if (!isSimpleEqual(newValue, oldValue))
 			this.array.push({ name, newValue, oldValue})
 	}
 	else {
 		const changes = compare(newValue, oldValue, name);
-		
+
+		console.log(changes);
 
 		if (changes.length) {
 			this.array.push({ name, newValue, oldValue })

src/utils/is-empty-array.ts

@@ -0,0 +1,3 @@
+export default function isEmptyArray(value: unknown) {
+	return Array.isArray(value) && value.length === 0;
+}

src/utils/is-object-like.ts

@@ -0,0 +1,3 @@
+export default function isObjectLike(value:unknown) {
+	return value != null && typeof value == 'object';
+}

src/utils/is-simple-equal.ts

@@ -0,0 +1,19 @@
+import isObjectLike from "./is-object-like";
+import isEmptyObject from "./is-empty-object";
+import isEmptyArray from "./is-empty-array";
+
+/**
+ * @description Простейшая проверка на эквивалентность. Не является deep.
+ */
+export default function isSimpleEqual(value: unknown, other: unknown) {
+	if (value === other) {
+		return true;
+	}
+	if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {
+		return value !== value && other !== other;
+	}
+	if (isEmptyObject(value) && isEmptyObject(other)) return true;
+	if (isEmptyArray(value) && isEmptyArray(other)) return true;
+
+	return false;
+}

src/utils/utils.ts

@@ -17,6 +17,7 @@ import grandObject from "./grand-object";
 import insertByName from "./insert-by-name";
 import isEmptyObject from "./is-empty-object";
 import isPrefixName from "./is-prefix-name";
+import isSimpleEqual from "./is-simple-equal";
 import iteratePoints from "./iterate-points";
 import mergeObjects from "./merge-objects";
 import parseFirstName from "./parse-first-name";
@@ -53,6 +54,7 @@ const utils = {
 	insertByName,
 	isEmptyObject,
 	isPrefixName,
+	isSimpleEqual,
 	iteratePoints,
 	mergeObjects,
 	parseFirstName,