Angular2 Typescript Typings Duplicate identifier

Question

Have seen other posts but none of the suggested solutions there worked. So I still see these duplicate identifier errors even though I excluded the whole typings folder. typings folder is in the same level of node_modules and bower_components folder

Here's my typings.json as suggested by Angular 2:

{
  "globalDependencies": {
    "core-js": "registry:dt/core-js#0.0.0+20160317120654",
    "es6-shim": "registry:dt/es6-shim#0.31.2+20160317120654",
    "jasmine": "registry:dt/jasmine#2.2.0+20160412134438",
    "node": "registry:dt/node#4.0.0+20160509154515"
  }
}

What do I need to do? :(

PS: I uninstalled the TypeScript for Visual Studio which is version 1.8.6 and just used the npm typescript which is 1.8.10. Previously, they were installed together in my machine but still not works.

Did you add a new npm package dependency recently, if so sometimes they can use the /// directive to reference other files in node_modules - I know that I fought this same issue with later versions of TypeScript. The issue is that some packages ship .ts files, and as a result with this "outreach" from the reference in the /// TypeScript finds things multiple times. — David Pine
– David Pine, Commented May 23, 2016 at 11:22
actually this is a new project. but i also excluded the npm_modules folder. shouldn't they be not included during the compilation also? — raberana
– raberana, Commented May 23, 2016 at 11:31
you definitely don't want to exclude your entire typings folder in tsconfig, but that's not causing your problem. Your typings folder looks suspicious though: bootstrap.d.ts and the other files in the top level - how did those get there? My hunch is you c/p'd them manually, and that if you remove them and install properly via typings install your problem will be solved. — drew moore
– drew moore, Commented May 26, 2016 at 0:56

kemsky · Accepted Answer · 2016-05-26 00:59:08Z

1

+100

Your typings are really strange, you should have either es6-shim or core-js, not both of them. node is most probably redundant too.

Personally, i gave up on VS and plugged angular using gulp build file.

answered May 26, 2016 at 0:59

kemsky

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5 Comments

raberana Over a year ago

corejs, jasmine and node are the ones seen on angular2 getting started example. i'll try to remove es6shim

kemsky Over a year ago

Check this discussion for more information github.com/angular/angular/issues/5755

raberana Over a year ago

ok so in my typings.json, i'll try to use corejs only. whats in ur typings?

kemsky Over a year ago

i have es6-shim only.

raberana Over a year ago

need to go to work now. will test it later. but if this works out, i will edit that sample >_<

Joshua Wiens · Accepted Answer · 2016-05-26 19:51:56Z

1

Your exclude isn't right. Assuming you are using Typings version 1.0 or later, it should look like this given the screen shot you added.

 "exclude": [
    "node_modules",
    "bower_components",
    "typings/index.d.ts",
    "typings/modules"
  ],

edited May 26, 2016 at 19:51

answered May 26, 2016 at 9:58

Joshua Wiens

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1 Comment

raberana Over a year ago

thanks, i just realized it also... but partially correct since i only use 0.8. for lower versions, "exclude": [ "node_modules", "bower_components", - "typings" "typings/browser/ambient", "typings/main/ambient", "typings/browser.d.ts", "typings/main.d.ts" ]

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