.eslintrc

---
extends: "airbnb"
plugins: ["react-hooks", "jest"]
parser: "babel-eslint"
globals:
  BASE_URL: true
rules:
  camelcase: off # require camel case names
  prefer-template: off
  object-shorthand: off
  quotes: off # ', ", ` no one cares
  max-len: off # be sensible
  no-mixed-operators: off # allow 1 + 1 * 3
  no-confusing-arrow: off # allow (a) => a ? 1 : 2;
  no-useless-constructor: off
  no-nested-ternary: off
  object-curly-spacing: off # allow { a: 1 } and {a: 1}
  block-spacing: off # same as above for function blocks on a single line
  dot-notation: off # allows someObject["a"] as well as someObject.a
  comma-dangle: ["error", "only-multiline"]
  padded-blocks: off
  no-plusplus: off # we are old enought to use i++
  arrow-body-style: off
  arrow-parens: off
  no-case-declarations: off # we don't surround case blocks with { } in our switch statements as we use fallthroughs deliberately
  one-var: off
  one-var-declaration-per-line: off
  no-console: off
  space-infix-ops: off
  no-param-reassign: [1, { "props": false }]
  no-underscore-dangle: off
  no-unused-expressions: ['error', {"allowTernary": true }]
  no-restricted-syntax: ['error', 'ForInStatement', 'WithStatement'] # allow ForOfStatement & LabeledStatement
  class-methods-use-this: off
  react/jsx-tag-spacing: ["error", { "closingSlash": "never", "beforeSelfClosing": "allow", "afterOpening": "never" }]
  react/forbid-prop-types: off
  react/jsx-filename-extension: [1, { "extensions": [".js", ".jsx"] }]
  react/jsx-first-prop-new-line: off
  react/no-did-mount-set-state: off
  react/require-default-props: off
  react/no-did-update-set-state: off
  react/prop-types: off # possibly reinstate
  react/sort-comp: off # possibly reinstate
  jsx-a11y/no-static-element-interactions: off
  import/prefer-default-export: off
  no-multi-spaces: ["error", { ignoreEOLComments: true }]
  no-labels: off
  no-unused-labels: off
  no-continue: off
  no-unneeded-ternary: ["error", { "defaultAssignment": true }]
  quote-props: ["error", "as-needed"]
  prefer-const: ["error", {"destructuring": "all"}]
  indent: ["error", 2, {"MemberExpression": "off", "SwitchCase": 1}]
  react-hooks/rules-of-hooks: "error"
  react-hooks/exhaustive-deps: "warn"
  react/no-danger: off # gatsby uses this a lot
  no-use-before-define: ["error", { "functions": false }]
parserOptions:
  ecmaVersion: 6
  sourceType: module
  ecmaFeatures:
    modules: true
env:
  es6: true
  browser: true
  "jest/globals": true

# https://gist.github.com/odedw/cf14a55aa154adbc3bf7#file-eslintrc-yaml-L4