From 34faea27f5665f83eacc475d84c9c7d8375d75a9 Mon Sep 17 00:00:00 2001
From: Igor Katsuba <igor@katsuba.dev>
Date: Sat, 7 Sep 2024 20:26:05 +0300
Subject: [PATCH] feat(angular): add the `removeMetadataProperty` function

---
 .../remove-metadata-property.spec.ts.snap     |  7 ++++
 .../metadata/remove-metadata-property.spec.ts | 32 +++++++++++++++++++
 .../lib/metadata/remove-metadata-property.ts  | 19 +++++++++++
 3 files changed, 58 insertions(+)
 create mode 100644 packages/angular/src/lib/metadata/__snapshots__/remove-metadata-property.spec.ts.snap
 create mode 100644 packages/angular/src/lib/metadata/remove-metadata-property.spec.ts
 create mode 100644 packages/angular/src/lib/metadata/remove-metadata-property.ts

diff --git a/packages/angular/src/lib/metadata/__snapshots__/remove-metadata-property.spec.ts.snap b/packages/angular/src/lib/metadata/__snapshots__/remove-metadata-property.spec.ts.snap
new file mode 100644
index 0000000..ed5ce53
--- /dev/null
+++ b/packages/angular/src/lib/metadata/__snapshots__/remove-metadata-property.spec.ts.snap
@@ -0,0 +1,7 @@
+// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
+
+exports[`removeMetadataProperty > should remove the providers property 1`] = `
+"
+@Component({}) class AppComponent {}
+"
+`;
diff --git a/packages/angular/src/lib/metadata/remove-metadata-property.spec.ts b/packages/angular/src/lib/metadata/remove-metadata-property.spec.ts
new file mode 100644
index 0000000..28e2cb2
--- /dev/null
+++ b/packages/angular/src/lib/metadata/remove-metadata-property.spec.ts
@@ -0,0 +1,32 @@
+import { Tree } from '@angular-devkit/schematics';
+
+import { createSourceFile, readFileSync, saveProject } from '@mutates/core';
+
+import { createTestingTree } from '../../testing';
+import { getComponents } from '../component';
+import { createAngularProject } from '../create-angular-project';
+import { removeMetadataProperty } from './remove-metadata-property';
+
+describe('removeMetadataProperty', () => {
+  let host: Tree;
+  beforeEach(() => {
+    host = createTestingTree();
+
+    createAngularProject(host);
+  });
+
+  it('should remove the providers property', () => {
+    createSourceFile(
+      'src/main.ts',
+      `
+@Component({providers: [Set, Map]}) class AppComponent {}
+`,
+    );
+
+    removeMetadataProperty(getComponents('src/main.ts').at(0)!, 'providers');
+
+    saveProject();
+
+    expect(readFileSync('src/main.ts')).matchSnapshot();
+  });
+});
diff --git a/packages/angular/src/lib/metadata/remove-metadata-property.ts b/packages/angular/src/lib/metadata/remove-metadata-property.ts
new file mode 100644
index 0000000..76a5704
--- /dev/null
+++ b/packages/angular/src/lib/metadata/remove-metadata-property.ts
@@ -0,0 +1,19 @@
+import { ClassDeclaration } from 'ts-morph';
+
+import { getObjectProperties } from '@mutates/core';
+
+import { MetadataProperty } from '../types/metadata-property';
+import { getMetadata } from './get-metadata';
+
+export function removeMetadataProperty<T extends MetadataProperty>(
+  klass: ClassDeclaration,
+  property: T,
+): void {
+  const [metadata] = getMetadata(klass);
+
+  const prop = getObjectProperties(metadata, {
+    name: property as string,
+  }).at(0);
+
+  prop?.remove();
+}