【问题标题】:Angular2: Cannot find name 'Promise' after having installed global dependenciesAngular2:安装全局依赖项后找不到名称“Promise”
【发布时间】:2016-11-17 20:12:06
【问题描述】:

我正在使用 angular 2 和 nodejs 构建一个应用程序,并且我已经从 package.json 安装了必要的依赖项。在 package.json 中,有一个 postinstall 命令来安装 typings.json 中的依赖项。我最初尝试使用以下方法安装 es6-shim:

"ambientDependencies": {
  "es6-shim": "github:DefinitelyTyped/DefinitelyTyped/es6-shim/es6-shim.d.ts#6697d6f7dadbf5773cb40ecda35a76027e0783b2"
}

但运行它返回错误:

npm ERR! Failed at the support-dashboard@1.0.0 typings script 'typings "install"'.

然后我在 Angular 的快速入门指南中看到他们的 typings.json 文件中有以下内容:

{
  "globalDependencies": {
    "core-js": "registry:dt/core-js#0.0.0+20160602141332",
    "jasmine": "registry:dt/jasmine#2.2.0+20160621224255",
    "node": "registry:dt/node#6.0.0+20160621231320"
  }
}

所以我安装了这些依赖项,因为网站说:

我们在快速入门中确定了三个类型文件,d.ts 文件用于 core-js 为我们的 ES5 浏览器带来 ES2015/ES6 功能

但由于某种原因,当我启动服务器时,我仍然收到无法找到 Promise 的错误。我的公司从我们服务器上的 Node 存储库获取软件包,所以我认为可能为 es6 shim 提供的 github 链接可能不起作用,但我不确定。

是否需要进行不同的配置才能让“Promise”被识别?

编辑:

运行npm start的命令提示符日志:

bash-3.1$ npm start

> support-dashboard@1.0.0 start c:\MEAN_project
> concurrently "npm run tsc:w" "node server.js"

[1] Magic happens on port 8080
[0]
[0] > support-dashboard@1.0.0 tsc:w c:\MEAN_project
[0] > tsc -w
[0]
[0] node_modules/angular2/platform/browser.d.ts(78,90): error TS2304: Cannot find name 'Promise'.
[0] node_modules/angular2/src/core/application_ref.d.ts(38,88): error TS2304: Cannot find name 'Promise'.
[0] node_modules/angular2/src/core/application_ref.d.ts(92,42): error TS2304: Cannot find name 'Promise'.
[0] node_modules/angular2/src/core/application_ref.d.ts(151,33): error TS2304: Cannot find name 'Promise'.
[0] node_modules/angular2/src/core/change_detection/differs/default_keyvalue_differ.d.ts(23,15): error TS2304: Cannot find name 'Map'.
[0] node_modules/angular2/src/core/change_detection/differs/default_keyvalue_differ.d.ts(25,16): error TS2304: Cannot find name 'Map'.
[0] node_modules/angular2/src/core/di/reflective_provider.d.ts(103,123): error TS2304: Cannot find name 'Map'.
[0] node_modules/angular2/src/core/di/reflective_provider.d.ts(103,165): error TS2304: Cannot find name 'Map'.
[0] node_modules/angular2/src/core/linker/component_resolver.d.ts(8,53): error TS2304: Cannot find name 'Promise'.
[0] node_modules/angular2/src/core/linker/component_resolver.d.ts(12,44): error TS2304: Cannot find name 'Promise'.
[0] node_modules/angular2/src/core/linker/dynamic_component_loader.d.ts(59,148): error TS2304: Cannot find name 'Promise'.
[0] node_modules/angular2/src/core/linker/dynamic_component_loader.d.ts(100,144): error TS2304: Cannot find name 'Promise'.
[0] node_modules/angular2/src/core/linker/dynamic_component_loader.d.ts(105,139): error TS2304: Cannot find name 'Promise'.
[0] node_modules/angular2/src/core/linker/dynamic_component_loader.d.ts(106,135): error TS2304: Cannot find name 'Promise'.
[0] node_modules/angular2/src/facade/async.d.ts(27,33): error TS2304: Cannot find name 'Promise'.
[0] node_modules/angular2/src/facade/async.d.ts(28,45): error TS2304: Cannot find name 'Promise'.
[0] node_modules/angular2/src/facade/collection.d.ts(1,25): error TS2304: Cannot find name 'MapConstructor'.
[0] node_modules/angular2/src/facade/collection.d.ts(2,25): error TS2304: Cannot find name 'SetConstructor'.
[0] node_modules/angular2/src/facade/collection.d.ts(4,27): error TS2304: Cannot find name 'Map'.
[0] node_modules/angular2/src/facade/collection.d.ts(4,39): error TS2304: Cannot find name 'Map'.
[0] node_modules/angular2/src/facade/collection.d.ts(7,9): error TS2304: Cannot find name 'Map'.
[0] node_modules/angular2/src/facade/collection.d.ts(8,30): error TS2304: Cannot find name 'Map'.
[0] node_modules/angular2/src/facade/collection.d.ts(11,43): error TS2304: Cannot find name 'Map'.
[0] node_modules/angular2/src/facade/collection.d.ts(12,27): error TS2304: Cannot find name 'Map'.
[0] node_modules/angular2/src/facade/collection.d.ts(14,23): error TS2304: Cannot find name 'Map'.
[0] node_modules/angular2/src/facade/collection.d.ts(15,25): error TS2304: Cannot find name 'Map'.
[0] node_modules/angular2/src/facade/collection.d.ts(100,41): error TS2304: Cannot find name 'Set'.
[0] node_modules/angular2/src/facade/collection.d.ts(101,22): error TS2304: Cannot find name 'Set'.
[0] node_modules/angular2/src/facade/collection.d.ts(102,25): error TS2304: Cannot find name 'Set'.
[0] node_modules/angular2/src/facade/lang.d.ts(4,17): error TS2304: Cannot find name 'Map'.
[0] node_modules/angular2/src/facade/lang.d.ts(5,17): error TS2304: Cannot find name 'Set'.
[0] node_modules/angular2/src/facade/lang.d.ts(71,59): error TS2304: Cannot find name 'Map'.
[0] node_modules/angular2/src/facade/promise.d.ts(2,14): error TS2304: Cannot find name 'Promise'.
[0] node_modules/angular2/src/facade/promise.d.ts(8,32): error TS2304: Cannot find name 'Promise'.
[0] node_modules/angular2/src/facade/promise.d.ts(9,38): error TS2304: Cannot find name 'Promise'.
[0] node_modules/angular2/src/facade/promise.d.ts(10,35): error TS2304: Cannot find name 'Promise'.
[0] node_modules/angular2/src/facade/promise.d.ts(10,93): error TS2304: Cannot find name 'Promise'.
[0] node_modules/angular2/src/facade/promise.d.ts(11,34): error TS2304: Cannot find name 'Promise'.
[0] node_modules/angular2/src/facade/promise.d.ts(11,50): error TS2304: Cannot find name 'Promise'.
[0] node_modules/angular2/src/facade/promise.d.ts(12,32): error TS2304: Cannot find name 'Promise'.
[0] node_modules/angular2/src/facade/promise.d.ts(12,149): error TS2304: Cannot find name 'Promise'.
[0] node_modules/angular2/src/facade/promise.d.ts(13,43): error TS2304: Cannot find name 'Promise'.
[0] node_modules/angular2/src/platform/browser/browser_adapter.d.ts(75,33): error TS2304: Cannot find name 'Map'.
[0] node_modules/angular2/src/platform/dom/dom_adapter.d.ts(85,42): error TS2304: Cannot find name 'Map'.
[0] node_modules/rxjs/Observable.d.ts(10,66): error TS2304: Cannot find name 'Promise'.
[0] node_modules/rxjs/Observable.d.ts(66,60): error TS2304: Cannot find name 'Promise'.
[0] node_modules/rxjs/Observable.d.ts(66,70): error TS2304: Cannot find name 'Promise'.
[0] 8:52:59 AM - Compilation complete. Watching for file changes.

【问题讨论】:

    标签: javascript angularjs json node.js npm


    【解决方案1】:

    我认为问题可能不在于您的 node.js 设置,而在于您的浏览器版本。

    在新的 ECMAScript 2015 (ES6) 标准中,Promise 是 a construct。是否有可能您使用的是旧浏览器。因为新的浏览器应该recognize it。

    【讨论】:

    • 好吧,我得到了错误:error TS2304: Cannot find name 'Promise'. 在我什至去本地主机上的网站之前,所以我认为应用程序本身无法找到 Promise
    • @loremIpsum1771 好的,我无法从上面的帖子中确定错误消息。这将是您帖子的一个很好的补充。
    • 我刚刚添加了运行npm start时出现的命令提示符日志
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