.eslintrc.json

{
  "parser": "@typescript-eslint/parser",
  "plugins": [
    "@typescript-eslint",
    "eslint-plugin-import",
    "typescript-sort-keys",
    "prefer-arrow"
  ],
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:jest/recommended",
    "plugin:jest/style",
    "plugin:typescript-sort-keys/recommended"
  ],
  "ignorePatterns": [
    "**/node_modules/*",
    "**/out/*",
    "**/.next/*",
    "**/*package.json"
  ],
  "rules": {
    "comma-dangle": [
      "error",
      "always-multiline"
    ],
    "eol-last": ["error", "always"],
    "indent": ["error", 2],
    "jest/no-conditional-expect": 0,
    "no-console": 2,
    "no-trailing-spaces": 2,
    "max-len": ["error", {
      "code": 80,
      "comments": 80,
      "ignorePattern": "^import\\s.+\\sfrom\\s.+$",
      "ignoreStrings": true,
      "ignoreTemplateLiterals": true
    }],
    "multiline-comment-style": ["error", "separate-lines"],
    "no-multiple-empty-lines": "error",
    "no-multi-spaces": ["error", { "exceptions": { "Property": false } }],
    "no-return-await": 2,
    "arrow-body-style": ["error", "as-needed"],
    "import/no-amd": 2,
    "import/no-commonjs": 2,
    // "import/no-default-export": 2,
    "import/no-namespace": 2,
    "import/no-nodejs-modules": 0,
    "keyword-spacing": ["error", { "overrides": {} }],
    "react/prefer-stateless-function": 2,
    "react/prop-types": 0,
    "react/jsx-wrap-multilines": ["error", {
        "declaration": "parens-new-line",
        "assignment": "parens-new-line",
        "return": "parens-new-line",
        "arrow": "parens-new-line",
        "condition": "parens-new-line",
        "logical": "parens-new-line",
        "prop": "parens-new-line"
      }
    ],
    "semi": ["error", "never"],
    "sort-keys": 1,
    "space-before-blocks": 2,
    "@typescript-eslint/explicit-function-return-type": 0,
    "@typescript-eslint/explicit-module-boundary-types": 0,
    "@typescript-eslint/member-delimiter-style": ["error", {
      "multiline": {
        "delimiter": "none",
        "requireLast": false
      },
      "singleline": {
        "delimiter": "comma",
        "requireLast": false
      }
    }],
    "@typescript-eslint/no-explicit-any": 0,
    "@typescript-eslint/no-unused-vars": [
      2,
      {
        "argsIgnorePattern": "^_"
      }
    ],
    "@typescript-eslint/no-var-requires": 0,
    "prefer-arrow/prefer-arrow-functions": [
      "error",
      {
        "disallowPrototype": true,
        "singleReturnOnly": false,
        "classPropertiesAllowed": false
      }
    ],
    "prefer-destructuring": ["error", {"object": true, "array": true}],
    "quotes": ["error", "single"],
    "quote-props": ["error", "as-needed"],
    "jsx-quotes": ["error", "prefer-single"]
  },
  "overrides": [
    {
      "files": [
        "cypress/**/*"
      ],
      "plugins": [
        "cypress"
      ],
      "env": {
        "cypress/globals": true
      },
      "rules": {
        "import/no-default-export": 0,
        "jest/expect-expect": 0
      }
    },
    {
      "files": [
        "examples/**/*"
      ],
      "rules": {
        "react/react-in-jsx-scope": 0
      }
    },
    {
      "files": [
        "examples/**/pages/**/*"
      ],
      "rules": {
        "import/no-default-export": 0
      }
    },
    {
      "files": [
        "**/*.config.js"
      ],
      "rules": {
        "import/no-commonjs": 0,
        "no-undef": 0
      }
    }
  ],
  "settings": {
    "react": {
      "pragma": "React",
      "version": "16.13.1"
    }
  }
}