.eslintrc.yml

---
    parser: 'babel-eslint'
    env:
        node: true
        browser: true
        es6: true
    plugins:
        - import
        - prettier
    rules:
        prettier/prettier:
            - 2
            - { printWidth: 100, tabWidth: 4, singleQuote: true, parser: "babel", jsxBracketSameLine: true }
        # Possible errors
        #######################################################################
        no-cond-assign:
            - 2
            - 'always'
        no-console:
            - 2
        no-constant-condition:
            - 2
        no-control-regex:
            - 2
        no-debugger:
            - 2
        no-dupe-args:
            - 2
        no-dupe-keys:
            - 2
        no-duplicate-case:
            - 2
        no-empty-character-class:
            - 2
        no-empty:
            - 2
        no-ex-assign:
            - 2
        no-extra-boolean-cast:
            - 2
        no-extra-parens:
            - 0
        no-extra-semi:
            - 2
        no-func-assign:
            - 2
        no-inner-declarations:
            - 2
            - "both"
        no-invalid-regexp:
            - 2
        no-irregular-whitespace:
            - 2
        no-obj-calls:
            - 2
        no-prototype-builtins:
            - 0 # we don't use Object.create(null) in Kresus.
        no-regex-spaces:
            - 2
        no-sparse-arrays:
            - 2
        no-template-curly-in-string:
            - 2
        no-unexpected-multiline:
            - 2
        no-unreachable:
            - 2
        no-unsafe-finally:
            - 2
        no-unsafe-negation:
            - 2
        use-isnan:
            - 2
        valid-typeof:
            - 2

        # Best practices
        #######################################################################
        accessor-pairs:
            - 2
        array-callback-return:
            - 2
        block-scoped-var:
            - 2
        class-methods-use-this:
            - 0
        complexity:
            - 0
        consistent-return:
            - 0
        curly:
            - 2
            - 'all'
        default-case:
            - 2
        dot-location:
            - 0
        dot-notation:
            - 2
        eqeqeq:
            - 2
        guard-for-in:
            - 2
        no-alert:
            - 0 # TODO
        no-caller:
            - 2
        no-case-declarations:
            - 2
        no-div-regex:
            - 2
        no-else-return:
            - 2
        no-empty-function:
            - 2
        no-empty-pattern:
            - 2
        no-eq-null:
            - 2
        no-eval:
            - 2
        no-extend-native:
            - 2
        no-extra-bind:
            - 2
        no-extra-label:
            - 2
        no-fallthrough:
            - 2
        no-floating-decimal:
            - 2
        no-global-assign:
            - 2
        no-implicit-coercion:
            - 0
        no-implied-eval:
            - 2
        no-invalid-this:
            - 0
        no-iterator:
            - 2
        no-labels:
            - 0
        no-lone-blocks:
            - 2
        no-loop-func:
            - 2
        no-magic-numbers:
            - 0
        no-multi-spaces:
            - 2
        no-multi-str:
            - 2
        no-native-reassign:
            - 2
        no-new-func:
            - 2
        no-new-wrappers:
            - 2
        no-new:
            - 2
        no-octal-escape:
            - 2
        no-octal:
            - 2
        no-param-reassign:
            - 2
        no-proto:
            - 2
        no-redeclare:
            - 2
        no-restricted-properties:
            - 0
        no-return-assign:
            - 2
        no-script-url:
            - 2
        no-self-assign:
            - 2
        no-self-compare:
            - 2
        no-sequences:
            - 2
        no-throw-literal:
            - 0 # TODO
        no-unmodified-loop-condition:
            - 2
        no-unused-expressions:
            - 2
        no-unused-labels:
            - 2
        no-useless-call:
            - 2
        no-useless-concat:
            - 2
        no-useless-escape:
            - 2
        no-useless-return:
            - 2
        no-void:
            - 2
        no-warning-comments:
            - 0
        no-with:
            - 2
        radix:
            - 2
            - "always"
        vars-on-top:
            - 2
        wrap-iife:
            - 2
            - "inside"
        yoda:
            - 2

        # Strict Mode
        #######################################################################
        strict:
            - 2
            - "never"

        # Variables
        init-declarations:
            - 0
        no-catch-shadow:
            - 0
        no-delete-var:
            - 2
        no-label-var:
            - 2
        no-restricted-globals:
            - 2
            - 'event'
        no-shadow-restricted-names:
            - 2
        no-shadow:
            - 2
        no-undef-init:
            - 2
        no-undef:
            - 2
        no-undefined:
            - 2
        no-unused-vars:
            - 2
        no-use-before-define:
            - 2

        # Node.js and CommonJS
        #######################################################################
        callback-return:
            - 2
        global-require:
            - 0
        handle-callback-err:
            - 2
        no-mixed-requires:
            - 2
        no-new-require:
            - 2
        no-path-concat:
            - 2
        no-process-env:
            - 0
        no-process-exit:
            - 2
        no-restricted-modules:
            - 2
        no-sync:
            - 0

        # Stylistic issues
        #######################################################################
        array-bracket-spacing:
            - 2
            - "never"
        block-spacing:
            - 2
            - "always"
        brace-style:
            - 2
            - "1tbs"
        camelcase:
            - 2
        comma-dangle:
            - 1 # TODO 2
        comma-spacing:
            - 2
            - {before: false, after: true }
        comma-style:
            - 2
            - "last"
        computed-property-spacing:
            - 2
            - "never"
        consistent-this:
            - 2
            - "self"
        eol-last:
            - 2
        func-call-spacing:
            - 2
            - "never"
        func-name-matching:
            - 2
        func-names:
            - 0
        func-style:
            - 0
        id-blacklist:
            - 0
        id-length:
            - 0
        id-match:
            - 0
        indent:
            - 2
            - 4
            - {SwitchCase: 1}
        jsx-quotes:
            - 0
        key-spacing:
            - 2
            - {beforeColon: false, afterColon: true, mode: "strict"}
        keyword-spacing:
            - 2
            - { before: true, after: true }
        line-comment-position:
            - 0
        linebreak-style:
            - 2
            - "unix"
        lines-around-comment:
            - 0
        lines-around-directive:
            - 0
            - { before: "never", after: "always" }
        max-depth:
            - 0
        max-len:
            - 2
            - { code: 100, tabWidth: 4, ignoreTemplateLiterals: true }
        max-lines:
            - 0 # LOLNO
        max-nested-callbacks:
            - 2
            - 2
        max-params:
            - 0
        max-statements-per-line:
            - 2
        max-statements:
            - 0
        multiline-ternary:
            - 0
        new-cap:
            - 2
        new-parens:
            - 0
        newline-after-var:
            - 0
        newline-before-return:
            - 0
        newline-per-chained-call:
            - 0
        no-array-constructor:
            - 2
        no-bitwise:
            - 0
        no-continue:
            - 0
        no-inline-comments:
            - 0
        no-lonely-if:
            - 2
        no-mixed-operators:
            - 0
        no-mixed-spaces-and-tabs:
            - 2
            - "smart-tabs"
        no-multiple-empty-lines:
            - 2
            - {max: 1, maxEOF: 0, maxBOF: 0}
        no-negated-condition:
            - 0
        no-nested-ternary:
            - 2
        no-new-object:
            - 2
        no-plusplus:
            - 0
        no-restricted-syntax:
            - 0
        no-tabs:
            - 2
        no-ternary:
            - 0
        no-trailing-spaces:
            - 2
        no-underscore-dangle:
            - 0
        no-unneeded-ternary:
            - 2
        no-whitespace-before-property:
            - 2
        object-curly-newline:
            - 0
        object-curly-spacing:
            - 2
            - "always"
        object-property-newline:
            - 2
            - { allowMultiplePropertiesPerLine: true }
        one-var-declaration-per-line:
            - 0
        one-var:
            - 0
        operator-assignment:
            - 2
            - "always"
        operator-linebreak:
            - 0
        padded-blocks:
            - 0
        quote-props:
            - 0
        quotes:
            - 2
            - "single"
            - "avoid-escape"
        require-jsdoc:
            - 0 # LOLNO
        semi-spacing:
            - 2
            - {before: false, after: true}
        semi:
            - 2
            - "always"
        sort-keys:
            - 0
        sort-vars:
            - 0
        space-before-blocks:
            - 2
            - "always"
        space-before-function-paren:
            - 2
              # There's an incompatibility between eslint and prettier, so just
              # accept spaces before async arrow functions.
            - {anonymous: "never", named: "never", asyncArrow: "always"}
        space-in-parens:
            - 2
            - "never"
        space-infix-ops:
            - 2
        space-unary-ops:
            - 2
            - {words: true, nonwords: false}
        spaced-comment:
            - 2
            - "always"
        unicode-bom:
            - 0
        wrap-regex:
            - 0

        # ECMAScript 6
        arrow-body-style:
            - 0
        arrow-parens:
            - 2
            - "as-needed"
        arrow-spacing:
            - 2
            - {before: true, after: true}
        constructor-super:
            - 2
        generator-star-spacing:
            - 2
            - {before: false, after: true}
        no-class-assign:
            - 2
        no-confusing-arrow:
            - 2
        no-const-assign:
            - 2
        no-dupe-class-members:
            - 2
        no-duplicate-imports:
            - 2
        no-new-symbol:
            - 2
        no-restricted-imports:
            - 0
        no-this-before-super:
            - 2
        no-useless-computed-key:
            - 2
        no-useless-constructor:
            - 2
        no-useless-rename:
            - 2
        no-var:
            - 2
        object-shorthand:
            - 2
        prefer-arrow-callback:
            - 2
        prefer-const:
            - 0 # should be 1 or 2, but too many instances...
        prefer-numeric-literals:
            - 2
        prefer-reflect:
            - 0
        prefer-rest-params:
            - 2
        prefer-spread:
            - 2
        prefer-template:
            - 2
        require-yield:
            - 2
        rest-spread-spacing:
            - 2
            - "never"
        sort-imports:
            - 0
        symbol-description:
            - 2
        template-curly-spacing:
            - 2
            - "never"
        yield-star-spacing:
            - 2
            - "after"

        # Import plugin rules.
        import/no-unresolved:
            - 2
            - { "ignore": ['^bundle-loader\?'], commonjs: true }
        import/named:
            - 2
        import/default:
            - 0
        import/namespace:
            - 0 # doesn't properly handle module.exports
        import/no-restricted-paths:
            - 0
        import/no-absolute-path:
            - 2
        import/no-dynamic-require:
            - 2
        import/no-internal-modules:
            - 0
        import/no-webpack-loader-syntax:
            - 0 # we don't use webpack

        import/export:
            - 2
        import/no-named-as-default:
            - 2
        import/no-named-as-default-member:
            - 2
        import/no-deprecated:
            - 2
        import/no-extraneous-dependencies:
            - 0
        import/no-mutable-exports:
            - 2

        import/unambiguous:
            - 2
        import/no-commonjs:
            - 0
        import/no-amd:
            - 0
        import/no-nodejs-modules:
            - 0

        import/first:
            - 0
        import/no-duplicates:
            - 2
        import/no-namespace:
            - 0
        import/extensions:
            - 2
            - "ignorePackages"
            - {json: "always", js: "never"}
        import/order:
            - 0
        import/newline-after-import:
            - 2
        import/prefer-default-export:
            - 0
        import/max-dependencies:
            - 0
        import/no-unassigned-import:
            - 2
            - {"allow": ["**/*.css"]}
        import/no-named-default:
            - 2
        import/no-cycle:
            - 2
            - { commonjs: true}