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JavaScript Linting

ESLint is responsible for checking syntax errors and problems, while Prettier for auto-formatting our JavaScript codes.

Node Project Settings

Install all the necessary packages as in package.json

Generate a .eslintrc.json file

$ eslint --init

{
  "extends": [
    "airbnb-base",
    "prettier",
    "plugin:prettier/recommended"
  ],
  "plugins": [
    "prettier"
  ],
  "rules": {
    "class-methods-use-this": "off",
    "func-names": "off",
    "no-console": "off",
    "no-unused-vars": "warn",
    "object-shorthand": "off",
    "prettier/prettier": [
      "error",
      {
        "singleQuote": true
      }
    ]
  }
}

For VSCode integration, install ESLint and Prettier extensions, and use shift + option + F to set prettier as the default code formatter.