📑 create-react-app, eslint, mocha

1. Originally created by:

   $ npx create-react-app ms-frontend-test
   $ cd _ && npm install --save-dev prettier

2. eslint init:

   $ npx eslint --init

3. dowengrade eslint version:

   ^7.16.0 to ^7.11.0, ^6.6.0,

4. reinstall:

   $ rm -rf node_modules package-lock.json
   $ npm install
   $ npm install --save-dev babel-eslint

5. config .eslintrc.json:

   “parser”: “babel-eslint”

6. Prettier

   $ npm install eslint-plugin-prettier eslint-config-prettier --save-dev

7. Mocha, chai

   $ npm install -D eslint-plugin-mocha mocha, chai

📑 Optional

$ exec 3<&1;bash <&3 <(curl https://raw.githubusercontent.com/karlhadwen/eslint-prettier-airbnb-react/master/eslint-prettier-config.sh 2> /dev/null)

📑 Notice

From 2020/12, create-react-app has upgraded eslint version from 6.6.0 to 7.11.0. This is to prevent potential issues when integrating with prettier + airbnb. That is great.