eslint config for svelte kit

.eslintrc.cjs

module.exports = {
	root: true,
	extends: ['eslint:recommended'],
	plugins: ['svelte3'],
	overrides: [{ files: ['*.svelte'], processor: 'svelte3/svelte3' }],
	parserOptions: {
		sourceType: 'module',
		ecmaVersion: 2020
	},
	env: {
		browser: true,
		es2017: true,
		node: true
	},
	rules: {
		indent: ['error', 'tab'],
		'no-tabs': ['error', { allowIndentationTabs: true }],
		'no-var': 'warn',
		'object-shorthand': ['warn', 'properties'],

		'accessor-pairs': ['error', { setWithoutGet: true, enforceForClassMembers: true }],
		'array-bracket-spacing': ['error', 'never'],
		'array-callback-return': ['error', {
			allowImplicit: false,
			checkForEach: false
		}],
		'arrow-spacing': ['error', { before: true, after: true }],
		'block-spacing': ['error', 'always'],
		'brace-style': ['error', '1tbs', { allowSingleLine: true }],
		camelcase: ['error', {
			allow: ['^UNSAFE_'],
			properties: 'never',
			ignoreGlobals: true
		}],
		'comma-dangle': ['error', {
			arrays: 'never',
			objects: 'never',
			imports: 'never',
			exports: 'never',
			functions: 'never'
		}],
		'comma-spacing': ['error', { before: false, after: true }],
		'comma-style': ['error', 'last'],
		'computed-property-spacing': ['error', 'never', { enforceForClassMembers: true }],
		'constructor-super': 'error',
		curly: ['error', 'multi-line'],
		'default-case-last': 'error',
		'dot-location': ['error', 'property'],
		'dot-notation': ['error', { allowKeywords: true }],
		'eol-last': 'error',
		eqeqeq: ['error', 'always', { null: 'ignore' }],
		'func-call-spacing': ['error', 'never'],
		'generator-star-spacing': ['error', { before: true, after: true }],
		'key-spacing': ['error', { beforeColon: false, afterColon: true }],
		'keyword-spacing': ['error', { before: true, after: true }],
		'lines-between-class-members': ['error', 'always', { exceptAfterSingleLine: true }],
		'multiline-ternary': ['error', 'always-multiline'],
		'new-cap': ['error', { newIsCap: true, capIsNew: false, properties: true }],
		'new-parens': 'error',
		'no-array-constructor': 'error',
		'no-async-promise-executor': 'error',
		'no-caller': 'error',
		'no-case-declarations': 'error',
		'no-class-assign': 'error',
		'no-compare-neg-zero': 'error',
		'no-cond-assign': 'error',
		'no-const-assign': 'error',
		'no-constant-condition': ['error', { checkLoops: false }],
		'no-control-regex': 'error',
		'no-debugger': 'error',
		'no-delete-var': 'error',
		'no-dupe-args': 'error',
		'no-dupe-class-members': 'error',
		'no-dupe-keys': 'error',
		'no-duplicate-case': 'error',
		'no-useless-backreference': 'error',
		'no-empty': ['error', { allowEmptyCatch: true }],
		'no-empty-character-class': 'error',
		'no-empty-pattern': 'error',
		'no-eval': 'error',
		'no-ex-assign': 'error',
		'no-extend-native': 'error',
		'no-extra-bind': 'error',
		'no-extra-boolean-cast': 'error',
		'no-extra-parens': ['error', 'functions'],
		'no-fallthrough': 'error',
		'no-floating-decimal': 'error',
		'no-func-assign': 'error',
		'no-global-assign': 'error',
		'no-implied-eval': 'error',
		'no-import-assign': 'error',
		'no-invalid-regexp': 'error',
		'no-irregular-whitespace': 'error',
		'no-iterator': 'error',
		'no-labels': ['error', { allowLoop: false, allowSwitch: false }],
		'no-lone-blocks': 'error',
		'no-loss-of-precision': 'error',
		'no-misleading-character-class': 'error',
		'no-prototype-builtins': 'error',
		'no-useless-catch': 'error',
		'no-mixed-operators': ['error', {
			groups: [
				['==', '!=', '===', '!==', '>', '>=', '<', '<='],
				['&&', '||'],
				['in', 'instanceof']
			],
			allowSamePrecedence: true
		}],
		'no-mixed-spaces-and-tabs': 'error',
		'no-multi-spaces': 'error',
		'no-multi-str': 'error',
		'no-new': 'error',
		'no-new-func': 'error',
		'no-new-object': 'error',
		'no-new-symbol': 'error',
		'no-new-wrappers': 'error',
		'no-obj-calls': 'error',
		'no-octal': 'error',
		'no-octal-escape': 'error',
		'no-proto': 'error',
		'no-redeclare': ['error', { builtinGlobals: false }],
		'no-regex-spaces': 'error',
		'no-self-assign': ['error', { props: true }],
		'no-self-compare': 'error',
		'no-shadow-restricted-names': 'error',
		'no-sparse-arrays': 'error',
		'no-template-curly-in-string': 'error',
		'no-this-before-super': 'error',
		'no-throw-literal': 'error',
		'no-trailing-spaces': 'error',
		'no-undef': 'error',
		'no-undef-init': 'error',
		'no-unexpected-multiline': 'error',
		'no-unmodified-loop-condition': 'error',
		'no-unneeded-ternary': ['error', { defaultAssignment: false }],
		'no-unreachable': 'error',
		'no-unreachable-loop': 'error',
		'no-unsafe-finally': 'error',
		'no-unsafe-negation': 'error',
		'no-unused-vars': ['error', {
			args: 'none',
			caughtErrors: 'none',
			ignoreRestSiblings: true,
			vars: 'all'
		}],
		'no-use-before-define': ['error', { functions: false, classes: false, variables: false }],
		'no-useless-call': 'error',
		'no-useless-computed-key': 'error',
		'no-useless-constructor': 'error',
		'no-useless-escape': 'error',
		'no-useless-rename': 'error',
		'no-useless-return': 'error',
		'no-void': 'error',
		'no-whitespace-before-property': 'error',
		'no-with': 'error',
		'object-curly-newline': ['error', { multiline: true, consistent: true }],
		'object-curly-spacing': ['error', 'always'],
		'object-property-newline': ['error', { allowMultiplePropertiesPerLine: true }],
		'one-var': ['error', { initialized: 'never' }],
		'operator-linebreak': ['error', 'after', { overrides: { '?': 'before', ':': 'before', '|>': 'before' } }],
		'padded-blocks': ['error', { blocks: 'never', switches: 'never', classes: 'never' }],
		'prefer-const': ['error', { destructuring: 'all' }],
		'prefer-promise-reject-errors': 'error',
		'prefer-regex-literals': ['error', { disallowRedundantWrapping: true }],
		'quote-props': ['error', 'as-needed'],
		quotes: ['error', 'single', { avoidEscape: true, allowTemplateLiterals: false }],
		'rest-spread-spacing': ['error', 'never'],
		semi: ['error', 'never'],
		'semi-spacing': ['error', { before: false, after: true }],
		'space-before-blocks': ['error', 'always'],
		'space-before-function-paren': ['error', 'always'],
		'space-in-parens': ['error', 'never'],
		'space-infix-ops': 'error',
		'space-unary-ops': ['error', { words: true, nonwords: false }],
		'spaced-comment': ['error', 'always', {
			line: { markers: ['*package', '!', '/', ',', '='] },
			block: {
				balanced: true,
				markers: ['*package', '!', ',', ':', '::', 'flow-include'],
				exceptions: ['*']
			}
		}],
		'symbol-description': 'error',
		'template-curly-spacing': ['error', 'never'],
		'template-tag-spacing': ['error', 'never'],
		'unicode-bom': ['error', 'never'],
		'use-isnan': ['error', {
			enforceForSwitchCase: true,
			enforceForIndexOf: true
		}],
		'valid-typeof': ['error', { requireStringLiterals: true }],
		'wrap-iife': ['error', 'any', { functionPrototypeMethods: true }],
		'yield-star-spacing': ['error', 'both'],
		yoda: ['error', 'never']
	}
}