starting with jest and vue js code example

Example: configure jest to handle vue imports

{
  // ...
  "jest": {
    "moduleFileExtensions": [
      "js",
      "json",
      // tell Jest to handle `*.vue` files
      "vue"
    ],
    "transform": {
      // process `*.vue` files with `vue-jest`
      ".*\\.(vue)$": "vue-jest"
    }
  }
}