style.js

import stylistic from '@stylistic/eslint-plugin-js'

// Stylistic v1.7.2
export default {
  plugins: { '@stylistic/js': stylistic },
  rules:   {
    '@stylistic/js/function-call-spacing': `error`,
    'array-bracket-newline':               [`error`, `consistent`],
    'array-bracket-spacing':               `error`,
    'array-element-newline':               [`error`, `consistent`],
    'arrow-parens':                        [`error`, `as-needed`],
    'arrow-spacing':                       `error`,
    'block-spacing':                       `error`,
    'brace-style':                         `error`,
    'comma-dangle':                        [`error`, `always-multiline`],
    'comma-spacing':                       `error`,
    'comma-style':                         `error`,
    'computed-property-spacing':           `error`,
    'dot-location':                        [`error`, `property`],
    'eol-last':                            `error`,
    'function-call-argument-newline':      [`error`, `consistent`],
    'function-paren-newline':              `error`,
    'generator-star-spacing':              `error`,
    'implicit-arrow-linebreak':            `error`,
    indent:                                [`error`, 2, { MemberExpression: 0 }],
    'key-spacing':                         [`error`, { align: `value` }],
    'keyword-spacing':                     `error`,
    'lines-between-class-members':         `error`,
    'max-statements-per-line':             `error`,
    'multiline-ternary':                   [`error`, `always-multiline`],
    'new-parens':                          [`error`, `never`],
    'newline-per-chained-call':            [`error`, { ignoreChainWithDepth: 3 }],
    'no-confusing-arrow':                  `error`,
    'no-extra-parens':                     [`error`, `all`, {
      nestedBinaryExpressions:         false,
      ternaryOperandBinaryExpressions: false,
    }],
    'no-extra-semi':            `error`,
    'no-floating-decimal':      `error`,
    'no-mixed-operators':       `error`,
    'no-mixed-spaces-and-tabs': `error`,
    'no-multi-spaces':          [`error`, {
      exceptions: {
        AssignmentExpression: true,
        AssignmentPattern:    true,
        ImportDeclaration:    true,
        ImportSpecifier:      true,
        VariableDeclaration:  true,
        VariableDeclarator:   true,
      },
      ignoreEOLComments: true,
    }],
    'no-multiple-empty-lines':          `warn`,
    'no-tabs':                          `error`,
    'no-trailing-spaces':               `error`,
    'no-whitespace-before-property':    `error`,
    'nonblock-statement-body-position': `error`,
    'object-curly-newline':             [`error`, {
      consistent:    true,
      minProperties: 4,
    }],
    'object-curly-spacing':         [`error`, `always`, { objectsInObjects: true }],
    'object-property-newline':      [`error`, { allowAllPropertiesOnSameLine: true }],
    'one-var-declaration-per-line': [`error`, `always`],
    'quote-props':                  [`error`, `as-needed`, {
      keywords:    true,
      unnecessary: true,
    }],
    quotes:                        [`error`, `backtick`],
    'rest-spread-spacing':         `error`,
    semi:                          [`error`, `never`],
    'semi-spacing':                `error`,
    'semi-style':                  `error`,
    'space-before-blocks':         `error`,
    'space-before-function-paren': [
      `error`,
      {
        anonymous: `never`,
        named:     `never`,
      },
    ],
    'space-in-parens': `error`,
    'space-infix-ops': `error`,
    'space-unary-ops': `error`,
    'spaced-comment':  [
      `error`,
      `always`,
      { markers: [`*`] },
    ],
    'switch-colon-spacing':   `error`,
    'template-curly-spacing': [`error`, `always`],
    'template-tag-spacing':   `error`,
    'yield-star-spacing':     `error`,
  },
}