• 设为首页
  • 点击收藏
  • 手机版
    手机扫一扫访问
    迪恩网络手机版
  • 关注官方公众号
    微信扫一扫关注
    公众号

TypeScript dart_emitter.DartEmitter类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了TypeScript中angular2/src/compiler/output/dart_emitter.DartEmitter的典型用法代码示例。如果您正苦于以下问题:TypeScript DartEmitter类的具体用法?TypeScript DartEmitter怎么用?TypeScript DartEmitter使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



在下文中一共展示了DartEmitter类的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的TypeScript代码示例。

示例1: describe

  describe('DartEmitter', () => {
    var emitter: DartEmitter;
    var someVar: o.ReadVarExpr;

    beforeEach(() => {
      emitter = new DartEmitter();
      someVar = o.variable('someVar');
    });

    function emitStmt(stmt: o.Statement, exportedVars: string[] = null): string {
      if (isBlank(exportedVars)) {
        exportedVars = [];
      }
      return emitter.emitStatements(someModuleUrl, [stmt], exportedVars);
    }

    it('should declare variables', () => {
      expect(emitStmt(someVar.set(o.literal(1)).toDeclStmt())).toEqual(`var someVar = 1;`);
      expect(emitStmt(someVar.set(o.literal(1)).toDeclStmt(null, [o.StmtModifier.Final])))
          .toEqual(`final someVar = 1;`);
      expect(emitStmt(someVar.set(o.literal(1, new o.BuiltinType(o.BuiltinTypeName.Int,
                                                                 [o.TypeModifier.Const])))
                          .toDeclStmt(null, [o.StmtModifier.Final])))
          .toEqual(`const int someVar = 1;`);
      expect(emitStmt(someVar.set(o.literal(1)).toDeclStmt(), ['someVar']))
          .toEqual(`var someVar = 1;`);
      expect(emitStmt(someVar.set(o.literal(1)).toDeclStmt(o.INT_TYPE)))
          .toEqual(`int someVar = 1;`);
    });

    it('should read and write variables', () => {
      expect(emitStmt(someVar.toStmt())).toEqual(`someVar;`);
      expect(emitStmt(someVar.set(o.literal(1)).toStmt())).toEqual(`someVar = 1;`);
      expect(emitStmt(someVar.set(o.variable('someOtherVar').set(o.literal(1))).toStmt()))
          .toEqual(`someVar = (someOtherVar = 1);`);
    });

    it('should read and write keys', () => {
      expect(emitStmt(o.variable('someMap').key(o.variable('someKey')).toStmt()))
          .toEqual(`someMap[someKey];`);
      expect(emitStmt(o.variable('someMap').key(o.variable('someKey')).set(o.literal(1)).toStmt()))
          .toEqual(`someMap[someKey] = 1;`);
    });

    it('should read and write properties', () => {
      expect(emitStmt(o.variable('someObj').prop('someProp').toStmt()))
          .toEqual(`someObj.someProp;`);
      expect(emitStmt(o.variable('someObj').prop('someProp').set(o.literal(1)).toStmt()))
          .toEqual(`someObj.someProp = 1;`);
    });

    it('should invoke functions and methods and constructors', () => {
      expect(emitStmt(o.variable('someFn').callFn([o.literal(1)]).toStmt())).toEqual('someFn(1);');
      expect(emitStmt(o.variable('someObj').callMethod('someMethod', [o.literal(1)]).toStmt()))
          .toEqual('someObj.someMethod(1);');
      expect(emitStmt(o.variable('SomeClass').instantiate([o.literal(1)]).toStmt()))
          .toEqual('new SomeClass(1);');
    });

    it('should support builtin methods', () => {
      expect(emitStmt(o.variable('arr1')
                          .callMethod(o.BuiltinMethod.ConcatArray, [o.variable('arr2')])
                          .toStmt()))
          .toEqual('arr1..addAll(arr2);');

      expect(emitStmt(o.variable('observable')
                          .callMethod(o.BuiltinMethod.SubscribeObservable, [o.variable('listener')])
                          .toStmt()))
          .toEqual('observable.listen(listener);');

      expect(
          emitStmt(
              o.variable('fn').callMethod(o.BuiltinMethod.bind, [o.variable('someObj')]).toStmt()))
          .toEqual('fn;');
    });

    it('should support literals', () => {
      expect(emitStmt(o.literal(0).toStmt())).toEqual('0;');
      expect(emitStmt(o.literal(true).toStmt())).toEqual('true;');
      expect(emitStmt(o.literal('someStr').toStmt())).toEqual(`'someStr';`);
      expect(emitStmt(o.literal('$a').toStmt())).toEqual(`'\\$a';`);
      expect(emitStmt(o.literalArr([o.literal(1)]).toStmt())).toEqual(`[1];`);
      expect(emitStmt(o.literalMap([['someKey', o.literal(1)]]).toStmt()))
          .toEqual(`{'someKey': 1};`);
      expect(emitStmt(
                 o.literalMap([['someKey', o.literal(1)]], new o.MapType(o.NUMBER_TYPE)).toStmt()))
          .toEqual(`<String, num>{'someKey': 1};`);
    });

    it('should support external identifiers', () => {
      expect(emitStmt(o.importExpr(sameModuleIdentifier).toStmt())).toEqual('someLocalId;');
      expect(emitStmt(o.importExpr(externalModuleIdentifier).toStmt()))
          .toEqual([`import 'someOtherPath' as import0;`, `import0.someExternalId;`].join('\n'));
    });

    it('should support operators', () => {
      var lhs = o.variable('lhs');
      var rhs = o.variable('rhs');
      expect(emitStmt(someVar.cast(o.INT_TYPE).toStmt())).toEqual('(someVar as int);');
      expect(emitStmt(o.not(someVar).toStmt())).toEqual('!someVar;');
//.........这里部分代码省略.........
开发者ID:AwelEshetu,项目名称:angular,代码行数:101,代码来源:dart_emitter_spec.ts


示例2: emitStmt

 function emitStmt(stmt: o.Statement, exportedVars: string[] = null): string {
   if (isBlank(exportedVars)) {
     exportedVars = [];
   }
   return emitter.emitStatements(someModuleUrl, [stmt], exportedVars);
 }
开发者ID:AwelEshetu,项目名称:angular,代码行数:6,代码来源:dart_emitter_spec.ts



注:本文中的angular2/src/compiler/output/dart_emitter.DartEmitter类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


鲜花

握手

雷人

路过

鸡蛋
该文章已有0人参与评论

请发表评论

全部评论

专题导读
热门推荐
热门话题
阅读排行榜

扫描微信二维码

查看手机版网站

随时了解更新最新资讯

139-2527-9053

在线客服(服务时间 9:00~18:00)

在线QQ客服
地址:深圳市南山区西丽大学城创智工业园
电邮:jeky_zhao#qq.com
移动电话:139-2527-9053

Powered by 互联科技 X3.4© 2001-2213 极客世界.|Sitemap