Adding bootstrap to Vue Error (Can not resolve jquery)

 Error:

These dependencies were not found:

* jquery in ./node_modules/bootstrap/dist/js/bootstrap.js

* popper.js in ./node_modules/bootstrap/dist/js/bootstrap.js

Solution: 

run the following code to install jquery and popper using npm.

npm install --save jquery popper.js

Then,

npm install bootstrap

And import bootstrap in main.js like this:

import 'bootstrap';