---
ecmaFeatures:
  modules: true

env:
  browser: true
  node: true
  es6: true

rules:
  comma-dangle: [2, "always-multiline"]
  no-dupe-args: 2
  no-dupe-keys: 2
  no-duplicate-case: 2
  no-empty-character-class: 2
  no-ex-assign: 2
  no-extra-boolean-cast: 2
  no-extra-parens: 2
  no-extra-semi: 2
  no-func-assign: 2
  no-inner-declarations: 2
  no-invalid-regexp: 2
  no-irregular-whitespace: 2
  no-negated-in-lhs: 2
  no-obj-calls: 2
  no-regex-spaces: 2
  no-sparse-arrays: 2
  no-unreachable: 2
  use-isnan: 2
  valid-typeof: 2
  no-unexpected-multiline: 2
  no-cond-assign: 2
  no-constant-condition: 2
  no-control-regex: 2
  no-debugger: 2
  # code style
  consistent-return: 2
  curly: 2
  default-case: 2
  dot-notation: 2
  dot-location: [2, "property"]
  eqeqeq: 2
  no-else-return: 2
  no-lone-blocks: 2
  no-loop-func: 2
  no-multi-spaces: 2
  no-multi-str: 2
  no-proto: 2
  no-redeclare: 2
  no-return-assign: 2
  no-sequences: 2
  no-throw-literal: 2
  no-unused-expressions: 2
  no-void: 2
  no-warning-comments: [2, { "terms": ["todo", "fixme", "xxx"], "location": "start"  }]
  no-with: 2
  radix: 2
  wrap-iife: [2, "inside"]
  no-delete-var: 2
  no-shadow-restricted-names: 2
  no-shadow: 2
  no-undef: 2
  no-unused-vars: 2
  brace-style: [2, "1tbs", { "allowSingleLine": true }]
  comma-spacing: 2
  comma-style: 2
  indent: [2, 2]
  key-spacing: 2
  max-nested-callbacks: [2, 3]
  no-lonely-if: 2
  no-mixed-spaces-and-tabs: 2
  no-nested-ternary: 2
  no-spaced-func: 2
  no-trailing-spaces: 2
  one-var: [2, "never"]
  operator-linebreak: 2
  quote-props: [2, "as-needed"]
  quotes: [2, "single", "avoid-escape"]
  semi: [2, "always"]
  space-after-keywords: 2
  space-before-blocks: 2
  space-infix-ops: 2
  space-return-throw-case: 2