.eslintrc

{
  "parser": "@babel/eslint-parser",
  "parserOptions": {
    "sourceType": "module"
  },

  "env": {
    "browser": true,
    "node": true,
    "es6": true
  },

  "extends": "airbnb",

  "rules": {
    "array-bracket-spacing": [1, "never"],
    "camelcase": [1],
    "class-methods-use-this": 0,                  // We want to allow helper functions that don't use 'this' in classes
    "jsx-a11y/alt-text": 0,
    "jsx-a11y/anchor-has-content": 1,
    "jsx-a11y/anchor-is-valid": 1,
    "jsx-a11y/click-events-have-key-events": 0,
    "jsx-a11y/heading-has-content": 1,
    "jsx-a11y/iframe-has-title": 1,
    "jsx-a11y/label-has-associated-control": 1,
    "jsx-a11y/label-has-for": 0,                  // Deprecated in favor of 'label-has-associated-control'
    "jsx-a11y/mouse-events-have-key-events": 1,
    "jsx-a11y/no-autofocus": 1,
    "jsx-a11y/no-noninteractive-element-interactions": 1,
    "jsx-a11y/no-static-element-interactions": 0,
    "jsx-quotes": 2,
    "linebreak-style": 0,
    "max-len": [0, 80, 4],
    "no-console": [0],
    "no-else-return": [0],
    "no-multi-spaces": [0],
    "no-multiple-empty-lines": [0],               // allow indented comments (like this one)
    "no-plusplus": [0],
    "no-underscore-dangle": [0],
    "object-curly-newline": 0,
    "object-curly-spacing": [1,
      "always", {
        "arraysInObjects": false,
        "objectsInObjects": true
      }
    ],
    "operator-linebreak": [1, "after"],
    "padded-blocks": [1],
    "prefer-destructuring": 1,
    "quotes": [1, "single", "avoid-escape"],
    "radix": 0,                                   // Dec 2018: We always use base 10, so specifying it each time seems excessive
    "react-hooks/exhaustive-deps": "warn",         // Checks effect dependencies
    "react-hooks/rules-of-hooks": "error",         // Checks rules of Hooks
    "react/button-has-type": 1,
    "react/destructuring-assignment": 0,          // Dec 2018: We should do this!  But right now we have 3990 warnings/errors if enabled.
    "react/forbid-prop-types": 0,                 // Dec 2018: Should consider someday
    "react/indent-prop": 0,
    "react/jsx-first-prop-new-line": 0,
    "react/jsx-indent-props": 0,
    "react/jsx-no-bind": 1,                       // Dec 2018: Should these be errors?
    "react/jsx-props-no-spreading": 1,
    "react/no-access-state-in-setstate": 1,
    "react/no-array-index-key": 1,
    "react/no-children-prop": 1,
    "react/no-did-mount-set-state": 0,
    "react/no-did-update-set-state": 0,
    "react/no-string-refs": 1,
    "react/no-unused-prop-types": 1,
    "react/no-unused-state": 1,
    "react/prefer-stateless-function": 0,
    "react/prop-types": 1,
    "react/require-default-props": 0,              // Dec 2018: Might have value someday
    "react/sort-comp": 1,
    "space-before-function-paren": [1, {"anonymous": "always", "named": "always"}],
    "space-in-parens": [1],
    "template-curly-spacing": ["warn", "never"],
    "react/jsx-filename-extension": [1, { "extensions": [".js", ".jsx"] }]
  },
    "plugins": [
      "react",
      "react-hooks"
    ]
}