.eslintrc

{
	"env": {
		"es6": true,
		"browser": true,
		"node": true
	},
	"parserOptions": {
		"ecmaVersion": 2020,
		"sourceType": "module",
		"parser": "babel-eslint",
		"ecmaFeatures": {
			"jsx": true
		}
	},
	"globals": {
		"browser": false,
		"document": false,
		"navigator": false,
		"window": false
	},
	"plugins": ["sort-keys-fix", "simple-import-sort"],
	"extends": ["eslint:recommended", "plugin:unicorn/recommended"],
	"rules": {
		"semi": ["error", "always"],
		"indent": [
			"error",
			"tab",
			{
				"SwitchCase": 1
			}
		],
		"implicit-arrow-linebreak": ["error", "beside"],
		"jsx-quotes": ["error", "prefer-single"],
		"no-multiple-empty-lines": [
			1,
			{
				"max": 1,
				"maxBOF": 1,
				"maxEOF": 1
			}
		],
		"no-empty-pattern": "error",
		"no-empty": "error",
		"no-empty-function": "error",
		"space-infix-ops": "error",
		"prefer-object-spread": "error",
		"quote-props": ["error", "consistent-as-needed"],
		"no-multi-spaces": [
			"error",
			{
				"exceptions": {
					"VariableDeclarator": true,
					"ImportDeclaration": true,
					"AssignmentExpression": true
				}
			}
		],
		"padded-blocks": ["error", { "classes": "always", "blocks": "always" }],
		"padding-line-between-statements": [
			"error",
			{
				"blankLine": "always",
				"prev": "*",
				"next": "return"
			},
			{
				"blankLine": "always",
				"prev": ["const", "let", "var"],
				"next": "*"
			},
			{
				"blankLine": "any",
				"prev": ["const", "let", "var"],
				"next": ["const", "let", "var"]
			}
		],
		"no-mixed-operators": [
			"error",
			{
				"groups": [
					["==", "!=", "===", "!==", ">", ">=", "<", "<="],
					["&&", "||"],
					["in", "instanceof"]
				],
				"allowSamePrecedence": true
			}
		],
		"id-blacklist": ["error", "err", "e", "cb", "callback"],
		"no-negated-condition": "error",
		"operator-assignment": ["error", "always"],
		"no-mixed-spaces-and-tabs": "error",
		"no-nested-ternary": "error",
		"no-multi-assign": "error",
		"no-trailing-spaces": "error",
		"no-tabs": [
			"error",
			{
				"allowIndentationTabs": true
			}
		],
		"no-lonely-if": "error",
		"one-var": [
			"error",
			{
				"var": "never",
				"let": "never",
				"const": "never",
				"separateRequires": true
			}
		],
		"newline-before-return": "error",
		"nonblock-statement-body-position": ["error", "beside"],
		"no-whitespace-before-property": "error",
		"operator-linebreak": [
			"error",
			"after",
			{
				"overrides": {
					"?": "before",
					":": "before"
				}
			}
		],
		"new-cap": [
			"error",
			{
				"newIsCap": true,
				"capIsNew": false,
				"properties": false
			}
		],
		"no-unneeded-ternary": [
			"error",
			{
				"defaultAssignment": false
			}
		],
		"no-inline-comments": "error",
		"new-parens": "error",
		"newline-per-chained-call": [
			"error",
			{
				"ignoreChainWithDepth": 2
			}
		],
		"no-array-constructor": "error",
		"object-property-newline": [
			"error",
			{
				"allowAllPropertiesOnSameLine": true
			}
		],
		"comma-dangle": ["error", "never"],
		"brace-style": [
			"error",
			"1tbs",
			{
				"allowSingleLine": false
			}
		],
		"curly": ["error", "multi", "consistent"],
		"max-depth": ["error", 3],
		"lines-around-comment": [
			"error",
			{
				"beforeBlockComment": true,
				"beforeLineComment": true,
				"allowBlockEnd": false,
				"allowObjectEnd": false,
				"allowArrayEnd": false,
				"allowClassEnd": false
			}
		],
		"no-unexpected-multiline": "error",
		"spaced-comment": [
			"error",
			"always",
			{
				"line": {
					"markers": ["*package", "!", "/", ",", "="]
				},
				"block": {
					"balanced": true,
					"markers": ["*package", "!", ",", ":", "::", "flow-include"],
					"exceptions": ["*"]
				}
			}
		],
		"template-tag-spacing": ["error", "never"],
		"max-lines": [
			"error",
			{
				"max": 300,
				"skipBlankLines": true,
				"skipComments": true
			}
		],
		"max-statements-per-line": [
			"error",
			{
				"max": 2
			}
		],
		"max-nested-callbacks": ["error", 3],
		"unicode-bom": ["error", "never"],
		"switch-colon-spacing": [
			"error",
			{
				"after": true,
				"before": false
			}
		],
		"func-name-matching": ["error", "always"],
		"function-call-argument-newline": ["error", "never"],
		"func-names": ["error", "always"],
		"func-call-spacing": ["error", "never"],
		"multiline-ternary": ["error", "never"],
		"multiline-comment-style": ["error", "starred-block"],
		"line-comment-position": [
			"error",
			{
				"position": "above"
			}
		],
		"space-before-blocks": ["error", "always"],
		"space-before-function-paren": ["error", "never"],
		"key-spacing": [
			"error",
			{
				"beforeColon": false,
				"afterColon": true
			}
		],
		"array-element-newline": ["error", "consistent"],
		"no-iterator": "error",
		"prefer-spread": "error",
		"object-curly-newline": [
			"error",
			{
				"ImportDeclaration": "never",
				"ExportDeclaration": "never"
			}
		],
		"array-bracket-newline": [
			"error",
			{
				"multiline": true
			}
		],
		"block-spacing": ["error", "always"],
		"comma-style": ["error", "last"],
		"object-curly-spacing": [
			"error",
			"always",
			{
				"arraysInObjects": true,
				"objectsInObjects": true
			}
		],
		"array-bracket-spacing": [
			"error",
			"always",
			{
				"arraysInArrays": false,
				"objectsInArrays": false
			}
		],
		"keyword-spacing": [
			"error",
			{
				"before": true,
				"after": true
			}
		],
		"space-in-parens": ["error", "never"],
		"comma-spacing": [
			"error",
			{
				"before": false,
				"after": true
			}
		],
		"space-unary-ops": [
			"error",
			{
				"words": true,
				"nonwords": false
			}
		],
		"no-import-assign": "error",
		"array-callback-return": "error",
		"block-scoped-var": "error",
		"dot-notation": [
			"error",
			{
				"allowPattern": "^[a-z]+(_[a-z]+)+$"
			}
		],
		"eqeqeq": ["error", "smart"],
		"max-classes-per-file": ["error", 1],
		"no-caller": "error",
		"no-case-declarations": "error",
		"no-div-regex": "error",
		"no-else-return": "error",
		"no-eq-null": "error",
		"no-extend-native": "error",
		"no-extra-bind": "error",
		"no-fallthrough": "error",
		"no-floating-decimal": "error",
		"no-global-assign": [
			"error",
			{
				"exceptions": ["Window"]
			}
		],
		"no-implicit-coercion": [
			"error",
			{
				"allow": ["!!"]
			}
		],
		"default-case": "error",
		"default-param-last": ["error"],
		"no-with": "error",
		"prefer-promise-reject-errors": "error",
		"prefer-regex-literals": "error",
		"vars-on-top": "error",
		"wrap-iife": [
			"error",
			"outside",
			{
				"functionPrototypeMethods": true
			}
		],
		"yoda": ["error", "never"],
		"no-return-assign": ["error", "except-parens"],
		"no-return-await": "error",
		"no-script-url": "error",
		"no-self-assign": "error",
		"no-self-compare": "error",
		"no-sequences": "error",
		"no-throw-literal": "error",
		"no-unmodified-loop-condition": "error",
		"no-unused-expressions": [
			"error",
			{
				"allowShortCircuit": true,
				"allowTernary": true,
				"allowTaggedTemplates": true
			}
		],
		"no-useless-call": "error",
		"no-useless-catch": "error",
		"no-useless-concat": "error",
		"no-useless-escape": "error",
		"no-useless-return": "error",
		"no-void": "error",
		"no-implicit-globals": "error",
		"no-invalid-this": "error",
		"no-labels": "error",
		"no-lone-blocks": "error",
		"no-loop-func": "error",
		"no-magic-numbers": [
			"error",
			{
				"ignoreArrayIndexes": true,
				"enforceConst": true,
				"detectObjects": true,
				"ignore": [-1, 0, 1]
			}
		],
		"no-multi-str": "error",
		"no-new": "error",
		"no-new-func": "error",
		"no-new-object": "error",
		"no-new-require": "error",
		"no-new-wrappers": "error",
		"no-octal": "error",
		"no-octal-escape": "error",
		"no-param-reassign": "error",
		"no-proto": "error",
		"no-redeclare": "error",
		"strict": ["error", "never"],
		"callback-return": ["error", ["done", "sendResponse", "send.error", "send.success"]],
		"handle-callback-err": ["error", "^(err|error)$"],
		"no-buffer-constructor": "error",
		"no-mixed-requires": "error",
		"no-delete-var": "error",
		"no-shadow-restricted-names": "error",
		"no-undef": "error",
		"no-undef-init": "error",
		"no-unused-vars": [
			"error",
			{
				"vars": "all",
				"args": "none",
				"ignoreRestSiblings": true
			}
		],
		"no-var": "error",
		"no-useless-rename": "error",
		"no-useless-constructor": "error",
		"no-useless-computed-key": "error",
		"no-this-before-super": "error",
		"no-duplicate-imports": [
			"error",
			{
				"includeExports": true
			}
		],
		"no-confusing-arrow": [
			"error",
			{
				"allowParens": true
			}
		],
		"generator-star-spacing": [
			"error",
			{
				"before": true,
				"after": true
			}
		],
		"arrow-spacing": "error",
		"arrow-parens": ["error", "always"],
		"arrow-body-style": [
			"error",
			"as-needed",
			{
				"requireReturnForObjectLiteral": true
			}
		],
		"yield-star-spacing": ["error", "both"],
		"template-curly-spacing": ["error", "never"],
		"symbol-description": "error",
		"rest-spread-spacing": ["error", "never"],
		"prefer-template": "error",
		"prefer-rest-params": "error",
		"prefer-destructuring": [
			"error",
			{
				"array": false,
				"object": true
			},
			{
				"enforceForRenamedProperties": false
			}
		],
		"prefer-const": [
			"error",
			{
				"destructuring": "all",
				"ignoreReadBeforeAssign": true
			}
		],
		"sort-vars": [
			"error",
			{
				"ignoreCase": true
			}
		],
		"prefer-arrow-callback": [
			"error",
			{
				"allowNamedFunctions": true
			}
		],
		"no-extra-semi": "error",
		"sort-keys": [
			"error",
			"asc",
			{
				"caseSensitive": true
			}
		],
		"semi-style": ["error", "last"],
		"quotes": [
			"error",
			"single",
			{
				"avoidEscape": true,
				"allowTemplateLiterals": true
			}
		],
		"semi-spacing": [
			"error",
			{
				"before": false,
				"after": true
			}
		],
		"eol-last": "error",
		"computed-property-spacing": [
			"error",
			"never",
			{
				"enforceForClassMembers": true
			}
		],
		"capitalized-comments": [
			"error",
			"always",
			{
				"ignoreInlineComments": true
			}
		],
		"camelcase": [
			"error",
			{
				"properties": "always"
			}
		],

		// eslint plugins
		"sort-keys-fix/sort-keys-fix": "warn",
		"simple-import-sort/sort": "error",
		"unicorn/filename-case": "off",
		"unicorn/consistent-function-scoping": "off"
	}
}