.eslintrc.json

{
  "env": {
    "node": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:import/recommended"
  ],
  "rules": {
    "yoda": "off",
    "semi": ["error", "always"],
    "quotes": ["error", "single"],
    "eol-last": ["error", "always"],
    "comma-dangle": ["error", "always-multiline"],
    "no-multi-spaces": "error",
    "object-curly-spacing": ["error", "always"],
    "indent": ["error", 2, {
      "SwitchCase": 1,
      "ignoredNodes": [
        "TemplateLiteral *"
      ]
    }],
    "space-before-function-paren": ["error", {
      "anonymous": "always",
      "named": "never",
      "asyncArrow": "always"
    }],
    "no-multiple-empty-lines": ["error", {
      "max": 1,
      "maxBOF": 0,
      "maxEOF": 0
    }],
    "import/newline-after-import": ["error", {
      "count": 1
    }],
    "import/order": ["error", {
      "groups": ["builtin", "external", "internal", ["index", "parent", "sibling"], "object", "type"],
      "newlines-between": "always",
      "pathGroupsExcludedImportTypes": ["builtin"],
      "alphabetize": { "order": "asc", "caseInsensitive": true }
    }]
  },
  "overrides": [
    {
      "files": ["*.{ts,tsx}"],
      "parser": "@typescript-eslint/parser",
      "parserOptions": {
        "project": "./tsconfig.json"
      },
      "extends": [
        "plugin:import/typescript",
        "plugin:@typescript-eslint/recommended",
        "plugin:@typescript-eslint/recommended-requiring-type-checking"
      ],
      "plugins": [
        "@typescript-eslint"
      ],
      "settings": {
        "import/parsers": {
          "@typescript-eslint/parser": [".ts", ".tsx"]
        }
      },
      "rules": {
        "@typescript-eslint/no-unsafe-assignment": "off",
        "@typescript-eslint/semi": ["error", "always"],
        "@typescript-eslint/quotes": ["error", "single"],
        "@typescript-eslint/comma-dangle": ["error", "always-multiline"],
        "@typescript-eslint/object-curly-spacing": ["error", "always"],
        "@typescript-eslint/indent": ["error", 2, {
          "SwitchCase": 1,
          "ignoredNodes": ["TemplateLiteral *"]
        }],
        "@typescript-eslint/member-delimiter-style": ["error", {
          "multiline": {
            "delimiter": "semi",
            "requireLast": true
          },
          "singleline": {
            "delimiter": "semi",
            "requireLast": false
          }
        }],
        "@typescript-eslint/space-before-function-paren": ["error", {
          "anonymous": "always",
          "named": "never",
          "asyncArrow": "always"
        }],
        "@typescript-eslint/consistent-type-imports": ["error", {
          "prefer": "type-imports"
        }]
      }
    },
    {
      "files": [
        "*.test.{js,jsx,ts,tsx}",
        "**/__tests__/**"
      ],
      "env": {
        "jest": true
      },
      "rules": {
        "@typescript-eslint/ban-ts-comment": "off",
        "@typescript-eslint/prefer-ts-expect-error": "off"
      }
    }
  ]
}