Cannot find module '@angular-devkit/core'

javascript angular ecmascript-6 angular-cli

Try the following steps,

Step 1:

npm update -g @angular/cli

Step 2:

Edit your package.json changing the line

"@angular/cli": "1.6.0",

"@angular/cli": "^1.6.0",

STEP 3:

npm update

Refer the steps

javascript angular ecmascript-6 angular-cli

Step1: Edit your package.json changing the line

@angular/cli": "1.6.4"

@angular/cli": "^1.6.4"

Step2:

npm update -g @angular/cli

Step3:

npm install --save-dev @angular/cli@latest

I was facing the exact same problem. These three did the tasks for me. You may like to see https://github.com/angular/angular-cli/issues/9307

javascript angular ecmascript-6 angular-cli

try this out

npm install @angular-devkit/core --save-dev

try to update your angular cli

CodeHunter