Angular和Typescript:不能找到名字——错误:不能找到名字

我使用Angular(版本2)和TypeScript(版本1.6)，当我编译代码时，我得到这些错误:

Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/change_detection/parser/locals.d.ts(4,42): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/facade/collection.d.ts(1,25): Error TS2304: Cannot find name 'MapConstructor'.
    node_modules/angular2/src/core/facade/collection.d.ts(2,25): Error TS2304: Cannot find name 'SetConstructor'.
    node_modules/angular2/src/core/facade/collection.d.ts(4,27): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/facade/collection.d.ts(4,39): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/facade/collection.d.ts(7,9): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/facade/collection.d.ts(8,30): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/facade/collection.d.ts(11,43): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/facade/collection.d.ts(12,27): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/facade/collection.d.ts(14,23): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/facade/collection.d.ts(15,25): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/facade/collection.d.ts(94,41): Error TS2304: Cannot find name 'Set'.
    node_modules/angular2/src/core/facade/collection.d.ts(95,22): Error TS2304: Cannot find name 'Set'.
    node_modules/angular2/src/core/facade/collection.d.ts(96,25): Error TS2304: Cannot find name 'Set'.
    node_modules/angular2/src/core/facade/lang.d.ts(1,22): Error TS2304: Cannot find name 'BrowserNodeGlobal'.
    node_modules/angular2/src/core/facade/lang.d.ts(33,59): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/facade/promise.d.ts(1,10): Error TS2304: Cannot find name 'Promise'.
    node_modules/angular2/src/core/facade/promise.d.ts(3,14): Error TS2304: Cannot find name 'Promise'.
    node_modules/angular2/src/core/facade/promise.d.ts(8,32): Error TS2304: Cannot find name 'Promise'.
    node_modules/angular2/src/core/facade/promise.d.ts(9,38): Error TS2304: Cannot find name 'Promise'.
    node_modules/angular2/src/core/facade/promise.d.ts(10,35): Error TS2304: Cannot find name 'Promise'.
    node_modules/angular2/src/core/facade/promise.d.ts(10,93): Error TS2304: Cannot find name 'Promise'.
    node_modules/angular2/src/core/facade/promise.d.ts(11,34): Error TS2304: Cannot find name 'Promise'.
    node_modules/angular2/src/core/facade/promise.d.ts(12,32): Error TS2304: Cannot find name 'Promise'.
    node_modules/angular2/src/core/facade/promise.d.ts(12,149): Error TS2304: Cannot find name 'Promise'.
    node_modules/angular2/src/core/facade/promise.d.ts(13,43): Error TS2304: Cannot find name 'Promise'.
    node_modules/angular2/src/core/linker/element_injector.d.ts(72,32): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/linker/element_injector.d.ts(74,17): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/linker/element_injector.d.ts(78,184): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/linker/element_injector.d.ts(83,182): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/linker/element_injector.d.ts(107,37): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/linker/proto_view_factory.d.ts(27,146): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/linker/view.d.ts(52,144): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/linker/view.d.ts(76,79): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/linker/view.d.ts(77,73): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/linker/view.d.ts(94,31): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/linker/view.d.ts(97,18): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/linker/view.d.ts(100,24): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/linker/view.d.ts(103,142): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/linker/view.d.ts(104,160): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/render/api.d.ts(281,74): Error TS2304: Cannot find name 'Map'.
    node_modules/angular2/src/core/zone/ng_zone.d.ts(1,37): Error TS2304: Cannot find name 'Zone'.

这是代码:

import 'reflect-metadata';
import {bootstrap, Component, CORE_DIRECTIVES, FORM_DIRECTIVES} from 'angular2/core';
@Component({
  selector: 'my-app',
  template: '<input type="text" [(ng-model)]="title" /><h1>{{title}}</h1>',
  directives: [ CORE_DIRECTIVES ]
})
class AppComponent {
  title :string;

  constructor() {
    this.title = 'hello angular 2';
  }
}
bootstrap(AppComponent);

当前回答

一个已知的问题:https://github.com/angular/angular/issues/4902

核心原因:。d。TypeScript中隐式包含的ts文件随着编译目标的不同而不同，所以当目标为es5时，即使在运行时(例如chrome)中确实存在一些东西，也需要有更多的环境声明。更多关于lib.d.ts

2015-10-27 04:16:03

其他回答

现在您必须手动导入它们。

import 'rxjs/add/operator/retry';
import 'rxjs/add/operator/timeout';
import 'rxjs/add/operator/delay';
import 'rxjs/add/operator/map';




this.http.post(url, JSON.stringify(json), {headers: headers, timeout: 1000})

         .retry(2)

         .timeout(10000, new Error('Time out.'))

         .delay(10)

         .map((res) => res.json())
        .subscribe(
          (data) => resolve(data.json()),
          (err) => reject(err)
        );

2018-01-29 07:54:06

我是Angular的新手，但对我来说，只需导入Input就能找到解决方案。这不是我的功劳，在另一块黑板上找到的。如果你有同样的问题，这是一个简单的解决方法，但如果你的问题更复杂，我会阅读上面的东西。

穆克什:

你必须像这样在子组件的顶部导入输入

import { Directive, Component, OnInit, Input } from '@angular/core';

2017-03-03 11:42:14

我可以用下面的命令修复这个问题

typings install es6-promise es6-collections --ambient

注意，要使上面的命令工作，您需要进行类型设置，如果没有，请运行以下命令来安装它

npm install -g typings

更新

类型更新不读取-环境它变成-全局也有些人你需要安装上述库的定义，只需使用下面的命令

typings install dt~es6-promise dt~es6-collections --global --save

感谢@bgerth指出这一点。

2016-05-15 11:14:26

@VahidN，我找到我需要的了

    "exclude": [
        "node_modules",
        "typings/main",
        "typings/main.d.ts"
    ]

在我的tsconfig中，也可以停止es6-shim本身的错误

2016-05-03 19:00:33

如果npm install -g typings typings install仍然不起作用，请在执行该命令之前删除node_modules和typings文件夹。

2016-07-29 12:09:58

Angular和Typescript:不能找到名字——错误:不能找到名字

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