jsconfig.json

jsconfig.md

jsconfig.json

{
  "compilerOptions": {
    "baseUrl": "./src",
    "target": "ES6",
    "jsx": "preserve",
    "allowSyntheticDefaultImports": true
  },
  "exclude": ["build", "node_modules"]
}

.env

NODE_PATH=src

package.json

{
  "scripts": {
    "start": "cross-env NODE_PATH=src react-scripts start",
  }
}

Webstorm

1. Mark src directory as Resource Root
2. Go to Settings -> Editor -> Code Style -> Javascript.
3. Switch to Imports tab and select Use paths relative to the project, resource or sources root.

Thank you 👍

For Eslint
https://stackoverflow.com/a/42498220/5330819