An eslint Shareable Config for JavaScript Standard Style

eslintrc

parser: "babel-eslint"
extends: [
  "standard",
  "plugin:react/recommended",
  "plugin:jsx-a11y/recommended",
]
env:
  browser: true
parserOptions:
  jsx: true
plugins: ["react", "jsx-a11y"]
rules:
  # best practices
  block-scoped-var: "error"
  prefer-promise-reject-errors: "warn"
  semi: ["error", "always"]
  no-extra-semi: "error"
  comma-dangle: ["error", "always-multiline"]
  multiline-ternary: ["error", "always-multiline"]
  no-multiple-empty-lines: ["error", { "max": 2, "maxEOF": 0 }]
  space-before-function-paren: ["error", { "anonymous": "always", "named": "never", "asyncArrow": "always" }]
  max-len: ["error", 100, 2, { "ignoreComments": true, "ignoreRegExpLiterals": true, "ignoreStrings": true, "ignoreTemplateLiterals": true }]
  operator-linebreak: ["error", "after"]
  no-void: "error"
  # react
  react/jsx-key: "warn"
  jsx-a11y/label-has-for: "off"
  react/jsx-closing-tag-location: "error"
  react/jsx-indent-props: ["error", 2]
  react/jsx-no-duplicate-props: ["error", { "ignoreCase": true }]
  react/jsx-no-comment-textnodes: "error"
  react/jsx-props-no-multi-spaces: "error"
  react/no-did-update-set-state: "error"
  react/no-string-refs: "error"
  react/no-unused-prop-types: "error"
  react/prop-types: ["error", { "ignore": [], "customValidators": [], "skipUndeclared": false }]
  react/default-props-match-prop-types: ["warn", { "allowRequiredDefaults": false }]
  react/require-default-props: ["error", { "forbidDefaultForRequired": false }]
  react/require-render-return: "error"
  react/no-array-index-key: "error"
  react/no-unused-state: "error"
  react/display-name: "off"
settings:
  import/resolver:
    node:
      extensions: [".js", ".jsx", ".json"]
  react:
    version: "16.0"
  propWrapperFunctions: [
    "forbidExtraProps", // https://www.npmjs.com/package/airbnb-prop-types
    "exact", // https://www.npmjs.com/package/prop-types-exact
    "Object.freeze", // https://tc39.github.io/ecma262/#sec-object.freeze
  ]