cannot find module '@angular/core' visual studio 2017

Question

I am new to angular + asp.net core

i am create sample project of angular 4 with .net core

but it keepshowing dependencies not installed

visual studio 15.5.2

Typescript version 2.6.2

Microsoft Typescript sdk 2.6.2

npm version 5.5.1

in my other machine its work perfectly but not in this pc please help!!

MY package.json file is below

{
  "name": "Angular_CRUD",
  "private": true,
  "version": "0.0.0",
  "scripts": {
    "test": "karma start ClientApp/test/karma.conf.js"
  },
  "devDependencies": {
    "@angular/animations": "4.2.5",
    "@angular/common": "4.2.5",
    "@angular/compiler": "4.2.5",
    "@angular/compiler-cli": "4.2.5",
    "@angular/core": "4.2.5",
    "@angular/forms": "4.2.5",
    "@angular/http": "4.2.5",
    "@angular/platform-browser": "4.2.5",
    "@angular/platform-browser-dynamic": "4.2.5",
    "@angular/platform-server": "4.2.5",
    "@angular/router": "4.2.5",
    "@ngtools/webpack": "1.5.0",
    "@types/chai": "4.0.1",
    "@types/jasmine": "2.5.53",
    "@types/webpack-env": "1.13.0",
    "angular2-router-loader": "0.3.5",
    "angular2-template-loader": "0.6.2",
    "aspnet-prerendering": "^3.0.1",
    "aspnet-webpack": "^2.0.1",
    "awesome-typescript-loader": "3.2.1",
    "bootstrap": "3.3.7",
    "chai": "4.0.2",
    "css": "2.2.1",
    "css-loader": "0.28.4",
    "es6-shim": "0.35.3",
    "event-source-polyfill": "0.0.9",
    "expose-loader": "0.7.3",
    "extract-text-webpack-plugin": "2.1.2",
    "file-loader": "0.11.2",
    "html-loader": "0.4.5",
    "isomorphic-fetch": "2.2.1",
    "jasmine-core": "2.6.4",
    "jquery": "3.2.1",
    "json-loader": "0.5.4",
    "karma": "1.7.0",
    "karma-chai": "0.1.0",
    "karma-chrome-launcher": "2.2.0",
    "karma-cli": "1.0.1",
    "karma-jasmine": "1.1.0",
    "karma-webpack": "2.0.3",
    "preboot": "4.5.2",
    "raw-loader": "0.5.1",
    "reflect-metadata": "0.1.10",
    "rxjs": "5.4.2",
    "style-loader": "0.18.2",
    "to-string-loader": "1.1.5",
    "typescript": "2.4.1",
    "url-loader": "0.5.9",
    "webpack": "2.5.1",
    "webpack-hot-middleware": "2.18.2",
    "webpack-merge": "4.1.0",
    "zone.js": "0.8.12"
  }
}

@AyushGupta i need to run this command every time? when i create new project. — Shah NIral
– Shah NIral, Commented Dec 17, 2017 at 13:27
Yes, whenever a dependency is added to a package.json, run that command. — Ayush Gupta
– Ayush Gupta, Commented Dec 17, 2017 at 13:29
@AyushGupta after npm install command when i start my project i got this errorOne or more errors occurred. (Cannot find module './wwwroot/dist/vendor-manifest.json — Shah NIral
– Shah NIral, Commented Dec 17, 2017 at 13:37

Ayush Gupta · Accepted Answer · 2017-12-17 13:25:56Z

4

Run

npm install inside the folder to install the dependencies.

If this does not work, remove package-lock.json and try again

answered Dec 17, 2017 at 13:25

Ayush Gupta

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5 Comments

Shah NIral Over a year ago

it should be install automatically . not manually as now i have latest versions of visual studio,typescript and npm

Shah NIral Over a year ago

yes bro . its working but it should run automatically now. do you have any idea about that. because now it is feature that vs 2017 provide

Aluan Haddad Over a year ago

@ShahNIral unless you disable that feature. For example, I disabled auto-install on package.json save for obvious reasons.

Shah NIral Over a year ago

@AluanHaddad i did not disabled anything .then also its not working that is my question

user3020047 Over a year ago

@ShahNIral Did you ever get his resolved? I get the same thing doing the build using VS 2107.

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