From 0f8bf64b74e0bb5a3f9b9b29815bdbff58d1cfd2 Mon Sep 17 00:00:00 2001
From: Iben Van de Veire <iben.vandeveire@studiohyperdrive.be>
Date: Thu, 16 Jan 2025 13:28:24 +0100
Subject: [PATCH] feat(ngx-core): Move simple-changes util to ngx-core

---
 libs/angular/core/src/index.ts                |  1 +
 libs/angular/core/src/lib/utils/index.ts      |  1 +
 .../simple-changes/simple-changes.util.md     | 17 ++++++++++
 .../simple-changes.util.spec.ts               | 32 +++++++++++++++++++
 .../simple-changes/simple-changes.util.ts     | 10 ++++++
 tsconfig.base.json                            |  2 +-
 6 files changed, 62 insertions(+), 1 deletion(-)
 create mode 100644 libs/angular/core/src/lib/utils/index.ts
 create mode 100644 libs/angular/core/src/lib/utils/simple-changes/simple-changes.util.md
 create mode 100644 libs/angular/core/src/lib/utils/simple-changes/simple-changes.util.spec.ts
 create mode 100644 libs/angular/core/src/lib/utils/simple-changes/simple-changes.util.ts

diff --git a/libs/angular/core/src/index.ts b/libs/angular/core/src/index.ts
index 5fa5b09a..5ba2871d 100644
--- a/libs/angular/core/src/index.ts
+++ b/libs/angular/core/src/index.ts
@@ -1 +1,2 @@
 export * from './lib/services';
+export * from './lib/utils';
diff --git a/libs/angular/core/src/lib/utils/index.ts b/libs/angular/core/src/lib/utils/index.ts
new file mode 100644
index 00000000..ac8ad3af
--- /dev/null
+++ b/libs/angular/core/src/lib/utils/index.ts
@@ -0,0 +1 @@
+export * from './simple-changes/simple-changes.util';
diff --git a/libs/angular/core/src/lib/utils/simple-changes/simple-changes.util.md b/libs/angular/core/src/lib/utils/simple-changes/simple-changes.util.md
new file mode 100644
index 00000000..471f804b
--- /dev/null
+++ b/libs/angular/core/src/lib/utils/simple-changes/simple-changes.util.md
@@ -0,0 +1,17 @@
+# simpleChangeHasChanged
+
+Checks whether or not a simpleChange has changed
+
+## How to use
+
+```typescript
+import { simpleChangeHasChanged } from "@ngx/utils";
+
+// ...
+
+public ngOnChanges(changes: SimpleChanges): void {
+    if (simpleChangeHasChanged(changes.layoutType)) {
+       // Do something
+    }
+}
+```
diff --git a/libs/angular/core/src/lib/utils/simple-changes/simple-changes.util.spec.ts b/libs/angular/core/src/lib/utils/simple-changes/simple-changes.util.spec.ts
new file mode 100644
index 00000000..e00988fa
--- /dev/null
+++ b/libs/angular/core/src/lib/utils/simple-changes/simple-changes.util.spec.ts
@@ -0,0 +1,32 @@
+import { SimpleChange } from '@angular/core';
+
+import { simpleChangeHasChanged } from './simple-changes.util';
+
+it('hasChanged', () => {
+	let result = simpleChangeHasChanged(new SimpleChange(null, 'foo', false));
+	expect(result).toEqual(true);
+
+	result = simpleChangeHasChanged(new SimpleChange({ foo: 'bar' }, { foo: 'bar' }, false));
+	expect(result).toEqual(false);
+
+	result = simpleChangeHasChanged(new SimpleChange({ foo: 'bar' }, { foo: 'baz' }, false));
+	expect(result).toEqual(true);
+
+	result = simpleChangeHasChanged(new SimpleChange(['foo'], ['foo'], false));
+	expect(result).toEqual(false);
+
+	result = simpleChangeHasChanged(new SimpleChange(['foo'], ['bar'], false));
+	expect(result).toEqual(true);
+
+	result = simpleChangeHasChanged(new SimpleChange('foo', 'foo', false));
+	expect(result).toEqual(false);
+
+	result = simpleChangeHasChanged(new SimpleChange('foo', 'bar', false));
+	expect(result).toEqual(true);
+
+	result = simpleChangeHasChanged(new SimpleChange(0, 0, false));
+	expect(result).toEqual(false);
+
+	result = simpleChangeHasChanged(new SimpleChange(NaN, 1, false));
+	expect(result).toEqual(true);
+});
diff --git a/libs/angular/core/src/lib/utils/simple-changes/simple-changes.util.ts b/libs/angular/core/src/lib/utils/simple-changes/simple-changes.util.ts
new file mode 100644
index 00000000..dbaf252f
--- /dev/null
+++ b/libs/angular/core/src/lib/utils/simple-changes/simple-changes.util.ts
@@ -0,0 +1,10 @@
+import { SimpleChange } from '@angular/core';
+
+/**
+ * Method checks if given value has changed
+ * @param {SimpleChange} value: value to check
+ * @returns {boolean} whether or not if the given input has changed
+ */
+export const simpleChangeHasChanged = (value: SimpleChange): boolean => {
+	return value && JSON.stringify(value.previousValue) !== JSON.stringify(value.currentValue);
+};
diff --git a/tsconfig.base.json b/tsconfig.base.json
index 940b4cb7..2b44458e 100644
--- a/tsconfig.base.json
+++ b/tsconfig.base.json
@@ -33,7 +33,7 @@
 			"@js/regex": ["libs/javascript/regex/src/index.ts"],
 			"@js/testing": ["libs/javascript/testing/src/index.ts"],
 			"@express/status": ["libs/express/status/src/index.ts"],
-			"@studiohyperdrive/ngx-core": ["libs/angular/core/src/index.ts"]
+			"@ngx/core": ["libs/angular/core/src/index.ts"]
 		},
 		"useDefineForClassFields": false,
 		"skipLibCheck": true,