.eslintrc

{
  "parser": "@babel/eslint-parser",
  "extends": [
    "wordpress",
    "plugin:react/recommended",
    "plugin:jsx-a11y/recommended"
  ],
  "env": {
    "browser": false,
    "es6": true,
    "node": true
  },
  "parserOptions": {
    "sourceType": "module",
    "ecmaFeatures": {
      "jsx": true
    }
  },
  "globals": {
    "window": true,
    "document": true,
  },
  "plugins": [
    "wordpress",
    "react",
    "jsx-a11y"
  ],
  "rules": {
    "array-bracket-spacing": [
      "error",
      "always"
    ],
    "arrow-parens": [
      "error",
      "always"
    ],
    "arrow-spacing": "error",
    "brace-style": [
      "error",
      "1tbs"
    ],
    "camelcase": [
      "error",
      {
        "properties": "never"
      }
    ],
    "comma-dangle": [
      "error",
      "always-multiline"
    ],
    "comma-spacing": "error",
    "comma-style": "error",
    "computed-property-spacing": [
      "error",
      "always"
    ],
    "dot-notation": "error",
    "eol-last": "error",
    "eqeqeq": "error",
    "func-call-spacing": "error",
    "indent": [
      "error",
      "tab",
      {
        "SwitchCase": 1
      }
    ],
    "jsx-a11y/label-has-for": [
      "error",
      {
        "required": "id"
      }
    ],
    "jsx-a11y/media-has-caption": "off",
    "jsx-a11y/no-noninteractive-tabindex": "off",
    "jsx-a11y/role-has-required-aria-props": "off",
    "jsx-quotes": "error",
    "key-spacing": "error",
    "keyword-spacing": "error",
    "lines-around-comment": "off",
    "no-alert": "error",
    "no-bitwise": "error",
    "no-caller": "error",
    "no-console": "error",
    "no-debugger": "error",
    "no-dupe-args": "error",
    "no-dupe-keys": "error",
    "no-duplicate-case": "error",
    "no-else-return": "error",
    "no-eval": "error",
    "no-extra-semi": "error",
    "no-fallthrough": "error",
    "no-lonely-if": "error",
    "no-mixed-operators": "error",
    "no-mixed-spaces-and-tabs": "error",
    "no-multiple-empty-lines": [
      "error",
      {
        "max": 1
      }
    ],
    "no-multi-spaces": "error",
    "no-multi-str": "off",
    "no-negated-in-lhs": "error",
    "no-nested-ternary": "error",
    "no-redeclare": "error",
    "no-restricted-syntax": [
      "error",
      {
        "selector": "CallExpression[callee.name=/^__|_n|_x$/]:not([arguments.0.type=/^Literal|BinaryExpression$/])",
        "message": "Translate function arguments must be string literals."
      },
      {
        "selector": "CallExpression[callee.name=/^_n|_x$/]:not([arguments.1.type=/^Literal|BinaryExpression$/])",
        "message": "Translate function arguments must be string literals."
      },
      {
        "selector": "CallExpression[callee.name=_nx]:not([arguments.2.type=/^Literal|BinaryExpression$/])",
        "message": "Translate function arguments must be string literals."
      }
    ],
    "no-shadow": "error",
    "no-undef": "error",
    "no-undef-init": "error",
    "no-unreachable": "error",
    "no-unsafe-negation": "error",
    "no-unused-expressions": "error",
    "no-unused-vars": "error",
    "no-useless-return": "error",
    "no-whitespace-before-property": "error",
    "object-curly-spacing": [
      "error",
      "always"
    ],
    "padded-blocks": [
      "error",
      "never"
    ],
    "quotes": [
      "error",
      "single",
      {
        "allowTemplateLiterals": true,
        "avoidEscape": true
      }
    ],
    "quote-props": [
      "error",
      "as-needed"
    ],
    "react/display-name": "off",
    "react/jsx-curly-spacing": [
      "error",
      {
        "when": "always",
        "children": true
      }
    ],
    "react/jsx-equals-spacing": "error",
    "react/jsx-indent": [
      "error",
      "tab"
    ],
    "react/jsx-indent-props": [
      "error",
      "tab"
    ],
    "react/jsx-key": "error",
    "react/jsx-tag-spacing": "error",
    "react/no-children-prop": "off",
    "react/prop-types": "off",
    "react/react-in-jsx-scope": "off",
    "semi": "error",
    "semi-spacing": "error",
    "space-before-blocks": [
      "error",
      "always"
    ],
    "space-before-function-paren": [
      "error",
      {
        "anonymous": "never",
        "named": "never",
        "asyncArrow": "always"
      }
    ],
    "space-in-parens": [
      "error",
      "always"
    ],
    "space-infix-ops": [
      "error",
      {
        "int32Hint": false
      }
    ],
    "space-unary-ops": [
      "error",
      {
        "overrides": {
          "!": true,
          "yield": true
        }
      }
    ],
    "valid-jsdoc": [
      "error",
      {
        "prefer": {
          arg: "param",
          "argument": "param",
          "extends": "augments",
          "returns": "return"
        },
        "preferType": {
          "array": "Array",
          "bool": "boolean",
          "Boolean": "boolean",
          "float": "number",
          "Float": "number",
          "int": "number",
          "integer": "number",
          "Integer": "number",
          "Number": "number",
          "object": "Object",
          "String": "string",
          "Void": "void"
        },
        "requireParamDescription": false,
        "requireReturn": false
      }
    ],
    "valid-typeof": "error",
    "yoda": "off"
  }
}