Eslint Configs

backend.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es2021: true,
  },
  extends: ["airbnb-base", "prettier"],
  parserOptions: {
    ecmaVersion: 12,
    sourceType: "module",
  },
  rules: {
    "id-length": [ // turn on rule that checks length of variables
      "error", // trigger an error if a variable is less than min length
      {
        min: 2, // set minimum length to 2
        exceptions: ["_"], // used for packages, lodash and underscore
      },
    ],
  },
};

browser-pre-react.eslintrc.js

module.exports = {
  env: {
    browser: true,
    commonjs: true,
    es2021: true,
  },
  extends: ["airbnb-base", "prettier"],
  parserOptions: {
    ecmaVersion: 12,
  },
  rules: {
    "id-length": [ // turn on rule that checks length of variables
      "error", // trigger an error if a variable is less than min length
      {
        min: 2, // set minimum length to 2
        exceptions: ["_"], // used for packages, lodash and underscore
      },
    ],
  },
};

react.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es2021: true,
  },
  extends: ["plugin:react/recommended", "airbnb", "prettier", "prettier/react"],
  parserOptions: {
    ecmaFeatures: {
      jsx: true,
    },
    ecmaVersion: 12,
    sourceType: "module",
  },
  plugins: ["react"],
  rules: {
    "id-length": [
      // turn on rule that checks length of variables
      "error", // trigger an error if a variable is less than min length
      {
        min: 2, // set minimum length to 2
        exceptions: ["_"], // used for packages, lodash and underscore
      },
    ],
    // the following overrules the AirBnB style guide for react
    "react/jsx-filename-extension": [1, { extensions: [".js", ".jsx"] }],
    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-filename-extension.md
    "react/destructuring-assignment": "off",
    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/destructuring-assignment.md
    "default-props-match-prop-types": "off",
    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/default-props-match-prop-types.md
    "react/require-default-props": "off",
    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/require-default-props.md
    "react/style-prop-object": "off",
    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/style-prop-object.md
    "react/jsx-no-target-blank": "off",
    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-no-target-blank.md
    "react/prop-types": "off",
    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/prop-types.md
    "react/no-array-index-key": "off",
    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-array-index-key.md
  },
};