fix(compiler): fix attachInternals should be usable without formAssoc… (#6286)

* fix(compiler): fix attachInternals should be usable without formAssociated

* feat: Add unit tests

* fix: Prettier white space issue

Author: pfteter

src/compiler/transformers/component-lazy/attach-internals.ts

@@ -42,7 +42,7 @@ import { HOST_REF_ARG } from './constants';
  * @returns a list of expression statements
  */
 export function createLazyAttachInternalsBinding(cmp: d.ComponentCompilerMeta): ts.Statement[] {
-  if (cmp.formAssociated && cmp.attachInternalsMemberName) {
+  if (cmp.attachInternalsMemberName) {
     return [
       ts.factory.createIfStatement(
         // the condition for the `if` statement here is just whether the

src/compiler/transformers/component-native/attach-internals.ts

@@ -30,7 +30,7 @@ import ts from 'typescript';
  * @returns an expression statement syntax tree node
  */
 export function createNativeAttachInternalsBinding(cmp: d.ComponentCompilerMeta): ts.ExpressionStatement[] {
-  if (cmp.formAssociated && cmp.attachInternalsMemberName) {
+  if (cmp.attachInternalsMemberName) {
     return [
       ts.factory.createExpressionStatement(
         ts.factory.createBinaryExpression(

src/compiler/transformers/test/parse-attach-internals.spec.ts

@@ -26,4 +26,33 @@ describe('parse attachInternals', function () {
     `);
     expect(t.cmp!.attachInternalsMemberName).toBe(null);
   });
+
+  it('should set attachInternalsMemberName even if formAssociated is not defined', async () => {
+    const t = transpileModule(`
+    @Component({
+      tag: 'cmp-a',
+    })
+    export class CmpA {
+      @AttachInternals()
+      myProp;
+    }
+    `);
+    expect(t.cmp!.formAssociated).toBe(false);
+    expect(t.cmp!.attachInternalsMemberName).toBe('myProp');
+  });
+
+  it('should set attachInternalsMemberName even if formAssociated is false', async () => {
+    const t = transpileModule(`
+    @Component({
+      tag: 'cmp-a',
+      formAssociated: false
+    })
+    export class CmpA {
+      @AttachInternals()
+      myProp;
+    }
+    `);
+    expect(t.cmp!.formAssociated).toBe(false);
+    expect(t.cmp!.attachInternalsMemberName).toBe('myProp');
+  });
 });