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feat(ivy): do not emit empty providers/imports for defineInjector (#29598)

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The defineInjector function specifies its providers and imports array to
be optional, so if no providers/imports are present these keys may be
omitted. This commit updates the compiler to only generate the keys when
necessary.

PR Close #29598
This commit is contained in:
JoostK
2019-03-30 14:12:25 +01:00
committed by Jason Aden
parent 2d372f48db
commit 60afe88bcc
3 changed files with 20 additions and 10 deletions
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8
packages/compiler-cli/test/ngtsc/ngtsc_spec.ts
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@ -445,6 +445,10 @@ describe('ngtsc behavioral tests', () => {
expect(jsContents).toContain('i0.ɵdefineNgModule({ type: TestModule, bootstrap: [TestCmp] });');
expect(jsContents)
.toContain('/*@__PURE__*/ i0.ɵsetNgModuleScope(TestModule, { declarations: [TestCmp] });');
expect(jsContents)
.toContain(
'i0.defineInjector({ factory: ' +
'function TestModule_Factory(t) { return new (t || TestModule)(); } });');
const dtsContents = env.getContents('test.d.ts');
expect(dtsContents)
@ -528,8 +532,8 @@ describe('ngtsc behavioral tests', () => {
expect(jsContents)
.toContain(
'i0.defineInjector({ factory: function TestModule_Factory(t) ' +
'{ return new (t || TestModule)(); }, providers: [], ' +
'imports: [[OtherModule, RouterModule.forRoot()],\n OtherModule,\n RouterModule] });');
'{ return new (t || TestModule)(); }, imports: [[OtherModule, RouterModule.forRoot()],' +
'\n OtherModule,\n RouterModule] });');
});
it('should compile NgModules with services without errors', () => {