Add experimental AstServiceParser

tests/parsers/service.parser.spec.ts

@@ -137,4 +137,19 @@ describe('ServiceParser', () => {
 		expect(keys).to.deep.equal([]);
 	});
 
+	// FAILS (Use AstServiceParser)
+	/*it('should extract string with params on same line', () => {
+		const contents = `
+			@Component({ })
+			export class AppComponent {
+				public constructor(protected _translateService: TranslateService) { }
+				public test() {
+					this._translateService.get('You are expected at {{time}}', {time: moment.format('H:mm')});
+				}
+			}
+		`;
+		const keys = parser.extract(contents, componentFilename).keys();
+		expect(keys).to.deep.equal(['You are expected at {{time}}']);
+	});*/
+
 });