feat(language-service): completions support for tuple array (#33928)

PR Close #33928
2019-11-20 07:23:45 +00:00
parent de7713d6ea
commit 5a227d8d7c
6 changed files with 33 additions and 5 deletions
--- a/packages/language-service/test/diagnostics_spec.ts
+++ b/packages/language-service/test/diagnostics_spec.ts
@ -150,6 +150,15 @@ describe('diagnostics', () => {
    });
  });

+  it('should produce diagnostics for invalid tuple type property access', () => {
+    mockHost.override(TEST_TEMPLATE, `
+        {{tupleArray[1].badProperty}}`);
+    const diags = ngLS.getDiagnostics(TEST_TEMPLATE);
+    expect(diags.length).toBe(1);
+    expect(diags[0].messageText)
+        .toBe(`Identifier 'badProperty' is not defined. 'Hero' does not contain such a member`);
+  });
+
  it('should not produce errors on function.bind()', () => {
    mockHost.override(TEST_TEMPLATE, `
      <test-comp (test)="myClick.bind(this)">