.eslintrc.json

{
	"env": {
		"browser": true,
		"es6": true,
		"node": true
	},

	"parser": "@typescript-eslint/parser",
	"parserOptions": {
		"ecmaVersion": "latest",
		"project": "tsconfig.json",
		"sourceType": "module"
	},

	"plugins": ["@typescript-eslint", "import", "unicorn", "perfectionist"],
	"extends": [
		"eslint:recommended",
		"plugin:@typescript-eslint/recommended-type-checked",
		"plugin:@typescript-eslint/strict-type-checked",
		"plugin:@typescript-eslint/stylistic-type-checked",
		"plugin:perfectionist/recommended-natural",
		"plugin:unicorn/recommended",
		"prettier"
	],

	"rules": {
		"perfectionist/sort-imports": [
			"error",
			{
				"type": "line-length",
				"order": "desc",
				"newlines-between": "never"
			}
		],

		"unicorn/explicit-length-check": "off",
		"unicorn/no-array-reduce": "off",
		"unicorn/no-null": "off",
		"unicorn/no-useless-undefined": "off",
		"unicorn/prefer-ternary": "off",

		"import/consistent-type-specifier-style": ["error", "prefer-inline"],
		"import/no-duplicates": ["error", { "prefer-inline": true }],
		"import/no-useless-path-segments": "error",

		"@typescript-eslint/array-type": ["error", { "default": "generic" }],
		"@typescript-eslint/await-thenable": "error",
		"@typescript-eslint/consistent-type-definitions": "error",
		"@typescript-eslint/consistent-type-imports": ["error", { "fixStyle": "inline-type-imports" }],
		"@typescript-eslint/explicit-member-accessibility": "error",
		"@typescript-eslint/method-signature-style": ["error", "property"],
		"@typescript-eslint/no-base-to-string": "off",
		"@typescript-eslint/no-import-type-side-effects": "off",
		"@typescript-eslint/no-inferrable-types": "error",
		"@typescript-eslint/no-meaningless-void-operator": "error",
		"@typescript-eslint/no-misused-promises": "error",
		"@typescript-eslint/no-non-null-asserted-nullish-coalescing": "error",
		"@typescript-eslint/no-non-null-assertion": "error",
		"@typescript-eslint/no-unnecessary-condition": "error",
		"@typescript-eslint/no-unnecessary-type-arguments": "error",
		"@typescript-eslint/no-unnecessary-type-assertion": "error",
		"@typescript-eslint/prefer-optional-chain": "error",
		"@typescript-eslint/prefer-readonly": "error",
		"@typescript-eslint/promise-function-async": "error",
		"@typescript-eslint/require-await": "error",
		"@typescript-eslint/switch-exhaustiveness-check": "error",
		"@typescript-eslint/padding-line-between-statements": [
			"error",
			{
				"blankLine": "always",
				"next": ["class", "do", "for", "function", "if", "interface", "return", "switch", "throw", "while"],
				"prev": "*"
			},
			{
				"blankLine": "always",
				"next": "*",
				"prev": [
					"directive",
					"import",
					"multiline-block-like",
					"multiline-const",
					"multiline-expression",
					"multiline-let"
				]
			},
			{
				"blankLine": "never",
				"next": "import",
				"prev": "import"
			}
		],
		"@typescript-eslint/prefer-nullish-coalescing": "off",

		"arrow-body-style": ["error", "as-needed"],
		"consistent-return": "error",
		"curly": "error",
		"eqeqeq": ["error", "smart"],
		"no-constant-binary-expression": "error",
		"no-constructor-return": "error",
		"no-else-return": "error",
		"no-extra-boolean-cast": "error",
		"no-implicit-coercion": "error",
		"no-invalid-regexp": "error",
		"no-lonely-if": "error",
		"no-multi-assign": "error",
		"no-multi-spaces": "error",
		"no-new-native-nonconstructor": "error",
		"no-param-reassign": "error",
		"no-self-compare": "error",
		"no-unneeded-ternary": "error",
		"no-unused-private-class-members": "error",
		"no-useless-concat": "error",
		"no-useless-escape": "error",
		"no-useless-rename": "error",
		"no-useless-return": "error",
		"no-var": "error",
		"object-curly-newline": [
			"error",
			{
				"ExportDeclaration": {
					"consistent": true,
					"minProperties": 3,
					"multiline": true
				},
				"ObjectExpression": {
					"consistent": true,
					"minProperties": 3,
					"multiline": true
				}
			}
		],
		"object-shorthand": "error",
		"prefer-arrow-callback": "error",
		"prefer-const": "error",
		"prefer-template": "error",
		"quote-props": ["error", "consistent-as-needed"],
		"quotes": ["error", "double", { "avoidEscape": true }],
		"yoda": ["error", "never"]
	}
}