refactor: fix typos (#18000)

packages/language-service/src/types.ts

@@ -25,7 +25,7 @@ export {
 
 /**
  * The information `LanguageService` needs from the `LanguageServiceHost` to describe the content of
- * a template and the langauge context the template is in.
+ * a template and the language context the template is in.
  *
  * A host interface; see `LanguageSeriviceHost`.
  *

packages/language-service/test/language_service_spec.ts

@@ -30,7 +30,7 @@ describe('service without angular', () => {
      () => expect(() => ngService.getDiagnostics(fileName)).not.toThrow());
   it('should not crash a completion',
      () => expect(() => ngService.getCompletionsAt(fileName, position)).not.toThrow());
-  it('should not crash a get defintion',
+  it('should not crash a get definition',
      () => expect(() => ngService.getDefinitionAt(fileName, position)).not.toThrow());
   it('should not crash a hover', () => expect(() => ngService.getHoverAt(fileName, position)));
 });

packages/language-service/test/ts_plugin_spec.ts

@@ -142,7 +142,7 @@ describe('plugin', () => {
     it('should reference the component',
        () => { contains('app/parsing-cases.ts', 'test-comp-after-test', 'name'); });
     // TODO: Enable when we have a flag that indicates the project targets the DOM
-    // it('should refernce the element if no component', () => {
+    // it('should reference the element if no component', () => {
     //   contains('app/parsing-cases.ts', 'test-comp-after-div', 'innerText');
     // });
   });
@@ -163,7 +163,7 @@ describe('plugin', () => {
           'app/expression-cases.ts', 'myField',
           'Identifier \'myField\' refers to a private member of the component');
     });
-    it('should report numeric operator erros',
+    it('should report numeric operator errors',
        () => { expectSemanticError('app/expression-cases.ts', 'mod', 'Expected a numeric type'); });
     describe('in ngFor', () => {
       function expectError(locationMarker: string, message: string) {