.eslintrc.js

module.exports = {
  env: {
    browser: false,
    es2020: true,
    jest: true,
    node: true,
  },
  extends: [ 'plugin:@typescript-eslint/eslint-recommended', 'plugin:@typescript-eslint/recommended' ],
  parser: '@typescript-eslint/parser',
  plugins: ['@typescript-eslint'],
  settings: {
    'import/resolver': {
      node: {},
      typescript: {
        project: './tsconfig.es.json',
        alwaysTryTypes: true,
      },
    },
  },
  rules: {
    '@typescript-eslint/ban-ts-ignore': ['off'],
    '@typescript-eslint/camelcase': ['off'],
    '@typescript-eslint/explicit-function-return-type': [ 'error', { allowExpressions: true } ],
    '@typescript-eslint/explicit-member-accessibility': 'error',
    '@typescript-eslint/indent': [ 'error', 2, { SwitchCase: 1 } ],
    '@typescript-eslint/interface-name-prefix': ['off'],
    '@typescript-eslint/member-delimiter-style': [ 'error', { multiline: { delimiter: 'none' } } ],
    '@typescript-eslint/member-ordering': [
      'error',
      {
        default: {
          memberTypes: [
            'signature',
            'public-field', // = ["public-static-field", "public-instance-field"]
            'protected-field', // = ["protected-static-field", "protected-instance-field"]
            'private-field', // = ["private-static-field", "private-instance-field"]
            'constructor',
            'public-method', // = ["public-static-method", "public-instance-method"]
            'protected-method', // = ["protected-static-method", "protected-instance-method"]
            'private-method', // = ["private-static-method", "private-instance-method"]
          ],
          order: 'alphabetically',
        },
      },
    ],
    '@typescript-eslint/no-explicit-any': 'error',
    '@typescript-eslint/no-inferrable-types': ['off'],
    '@typescript-eslint/no-unused-vars': [ 'error', { argsIgnorePattern: '^_' } ],
    '@typescript-eslint/no-use-before-define': ['off'],
    '@typescript-eslint/semi': [ 'error', 'always' ],
    'array-bracket-spacing': [ 'error', 'always', { singleValue: false } ],
    'arrow-body-style': [ 'error', 'as-needed' ],
    'computed-property-spacing': [ 'error', 'never' ],
    'func-style': [ 'warn', 'expression' ],
    indent: [ 'error', 2, { SwitchCase: 1 } ],
    'keyword-spacing': 'error',
    'newline-before-return': 2,
    'no-console': 0,
    'no-multi-spaces': [ 'error', { ignoreEOLComments: false } ],
    'no-multiple-empty-lines': [ 'error', { max: 1, maxBOF: 0 } ],
    'no-throw-literal': 'error',
    'object-curly-spacing': [ 'error', 'always' ],
    'prefer-arrow-callback': 'error',
    quotes: [ 'error', 'single', { allowTemplateLiterals: true } ],
    semi: [ 'error', 'always' ]
  },
};