.eslintrc.js

module.exports = {
	parser: '@typescript-eslint/parser',
	parserOptions: {
		// project: 'tsconfig.json',
		sourceType: 'module',
	},
	plugins: ['@typescript-eslint/eslint-plugin'],
	extends: [
		'eslint:recommended',
		'plugin:@typescript-eslint/eslint-recommended',
		'plugin:@typescript-eslint/recommended',
		// 'plugin:prettier/recommended',
	],
	root: true,
	env: {
		node: true,
		jest: true,
	},
	ignorePatterns: ['.eslintrc.js', 'gulpfile.ts', 'dist'],
	rules: {
		'@typescript-eslint/interface-name-prefix': 'off',
		'@typescript-eslint/explicit-function-return-type': 'off',
		'@typescript-eslint/explicit-module-boundary-types': 'off',
		// '@typescript-eslint/no-explicit-any': 'off',
		'no-trailing-spaces': ['error', { 'skipBlankLines': true }],
		'array-bracket-newline': ['error', { 'multiline': true }],
		'indent': 'off',
		// 'indent': ['error', 'tab', { 'VariableDeclarator': { 'var': 2, 'let': 2, 'const': 3 }, 'SwitchCase': 1}],
		'no-tabs': ['error', { 'allowIndentationTabs': true }],
		'implicit-arrow-linebreak': ['error', 'beside'],
		'no-whitespace-before-property': 'error',
		'no-multi-spaces': 'error',
		'no-multiple-empty-lines': ['error', { 'max': 1, 'maxEOF': 0 }],
		'camelcase': 'error',
		'brace-style': ['error', '1tbs', { 'allowSingleLine': true }],
		'no-confusing-arrow': 'error',
		'padded-blocks': ['error', 'never', { 'allowSingleLineBlocks': true }],
		'eol-last': ['error', 'always'],
		'no-lonely-if': 'error',
		'no-underscore-dangle': 'error',
		'quotes': ['error', 'single', { 'allowTemplateLiterals': true }],
		'semi-style': ['error', 'last'],
		'padding-line-between-statements': [
			'error',
			{ 'blankLine': 'always', 'prev': ['const', 'let', 'var'], 'next': '*' },
			{ 'blankLine': 'any', 'prev': ['const', 'let', 'var'], 'next': ['const', 'let', 'var'] },
			{ 'blankLine': 'always', 'prev': 'directive', 'next': '*' },
			{ 'blankLine': 'any', 'prev': 'directive', 'next': 'directive' },
		],
		'no-unused-vars': 'off',
		'keyword-spacing': ['error', { 'before': true }],
		'space-before-blocks': 'error',
		'arrow-spacing': 'error',
		'space-infix-ops': ['error', { 'int32Hint': false }],
		'semi': 'off',
		'@typescript-eslint/semi': ['error', 'always'],
		'no-empty-function': 'off',
		'@typescript-eslint/no-empty-function': ['error', { 'allow': ['private-constructors'] }],
		'@typescript-eslint/no-unused-vars': ['error', { 'argsIgnorePattern': '^_' }],
		'@typescript-eslint/no-magic-numbers': ['warn', { 'ignoreArrayIndexes': true, 'ignoreReadonlyClassProperties': true, 'ignore': [-1, 0, 1] }],
		'@typescript-eslint/no-non-null-assertion': 'off',
	},
	overrides: [
		{
			files: 'tests/**/*.ts',
			rules: {
				'@typescript-eslint/no-magic-numbers': 'off',
			},
		},
		{
			files: 'prisma/**/*.ts',
			rules: {
				'@typescript-eslint/no-magic-numbers': 'off',
			},
		},
		{
			files: ["*.ts"],
			rules: {
				"@typescript-eslint/explicit-function-return-type": "error",
			}
		},
		{
			files: ["*.js"],
			rules: {
				"@typescript-eslint/no-var-requires": "off",
				"@typescript-eslint/no-magic-numbers": "off",
			}
		},
	],
};