.eslintrc.js

module.exports = {
  parser: `@typescript-eslint/parser`,
  extends: [
    // "plugin:@typescript-eslint/recommended",
    `prettier/@typescript-eslint`,
    `plugin:prettier/recommended`,
  ],
  parserOptions: {
    ecmaVersion: 2018,
    sourceType: `module`,
    ecmaFeatures: {
      jsx: true,
    },
  },
  plugins: [`@typescript-eslint`],
  settings: {
    react: {
      version: `detect`,
    },
  },
  rules: {
    "prettier/prettier": `warn`,
    indent: `off`,
    "@typescript-eslint/indent": [`error`, 2],
    quotes: [`warn`, `backtick`],
    "comma-dangle": [`error`, `always-multiline`],
    "arrow-parens": [`warn`, `as-needed`, { requireForBlockBody: true }],
  },
  overrides: [
    {
      files: [`./**/*.json`],
      rules: {
        quotes: [`warn`, `double`],
        "comma-dangle": [`error`, `never`],
      },
    },
  ],
};