.eslintrc.js

module.exports = {
	root: true,
	parser: '@typescript-eslint/parser',
	parserOptions: { ecmaVersion: 2017 },
	plugins: ['@typescript-eslint', 'prettier'],
	extends: ['airbnb-base', 'plugin:import/typescript', 'prettier'],
	env: { node: true, mocha: true, es6: true },
	rules: {
		camelcase: ['off', { properties: 'never' }],
		'global-require': 'off',
		'no-param-reassign': 'off',
		'no-console': 'off',
		'no-tabs': ['off', { allowIndentationTabs: true }],
		'no-use-before-define': ['error', { functions: false }],
		'no-underscore-dangle': 'off',
		'prefer-destructuring': 'off',
		'spaced-comment': 'off',
		'import/prefer-default-export': 'off',
		'import/extensions': 'off',
		'class-methods-use-this': 'off',
		'prettier/prettier': 'error',
		'no-restricted-syntax': 'off',
		'no-await-in-loop': 'off',
		'no-continue': 'off',
		'func-names': 'off',
		'no-unused-vars': 'off',
		'no-empty-function': 'off',
		'import/no-extraneous-dependencies': [
			'error',
			{
				devDependencies: [
					'**/*.test.js',
					'**/*.spec.js',
					'**/*.test.ts',
					'**/*.spec.ts',
					'./test/**/*.js',
					'./test/**/*.ts',
				],
			},
		],
		'no-plusplus': ['error', { allowForLoopAfterthoughts: true }],
		'lines-between-class-members': ['error', 'always', { exceptAfterSingleLine: true }],
	},
	overrides: [
		{
			files: ['*.ts', '*.tsx'],
			rules: {
				'import/no-unresolved': 'off',
				'no-dupe-class-members': 'off',
				'@typescript-eslint/no-dupe-class-members': ['error'],
				'no-useless-constructor': 'off',
				'@typescript-eslint/no-useless-constructor': ['error'],
				'lines-between-class-members': 'off',
				'@typescript-eslint/lines-between-class-members': ['error'],
				'no-use-before-define': 'off',
				'@typescript-eslint/no-use-before-define': ['error', { functions: false }],
				'no-shadow': 'off',
				'@typescript-eslint/no-shadow': ['error'],
				'no-undef': 'off',
			},
		},
	],
};