.eslintrc with prettier

.eslintrc

{
  "env": {
    "es6": true,
    "node": true
  },
  "plugins": ["prettier"],
  "extends": [
    "eslint:recommended",
    "plugin:prettier/recommended"
  ],
  "rules": {
    "prettier/prettier": "error",
    "no-console": [0]
  },
  "globals": {
  }
}

npm install eslint prettier eslint-config-prettier eslint-plugin-prettier

for node:

"env": {
  "node": true
},

for browser:

"env": {
  "browser": true
},

for node mocha tests:

"globals": {
  "describe": true,
  "it": true,
  "before": true
},