.eslintrc.json

{
  "env": {
    "browser": true,
    "es2021": true
  },
  "extends": [
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended-requiring-type-checking",
    "airbnb-base",
    "airbnb-typescript/base",
    "prettier",
    "plugin:prettier/recommended",
    "plugin:import/errors",
    "plugin:import/warnings"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 12,
    "sourceType": "module",
    "project": ["./tsconfig.json"]
  },
  "plugins": ["@typescript-eslint", "prettier", "import"],
  "rules": {
    // eslint-plugin-prettier 관련 추가
    "prettier/prettier": "error",
    "@typescript-eslint/naming-convention": [
      "error",
      {
        "selector": "interface",
        "format": ["PascalCase"],
        "custom": {
          "regex": "^I[A-Z]+",
          "match": true
        }
      },
      {
        "selector": "typeAlias",
        "format": ["PascalCase"],
        "custom": {
          "regex": "^T[A-Z]+",
          "match": true
        }
      }
    ],
    "@typescript-eslint/member-delimiter-style": [
      "off",
      {
        "multiline": {
          "delimiter": "none",
          "requireLast": true
        },
        "singleline": {
          "delimiter": "semi",
          "requireLast": false
        }
      }
    ],
    "@typescript-eslint/no-unused-vars": [
      "error",
      {
        "varsIgnorePattern": "^_.+$",
        "argsIgnorePattern": "^_.+$"
      }
    ],
    "max-len": [
      "error",
      {
        "ignoreUrls": true,
        "ignoreStrings": true,
        "ignoreTemplateLiterals": true,
        "ignoreComments": true,
        "ignoreTrailingComments": true,
        "code": 130
      }
    ],
    "@typescript-eslint/consistent-type-imports": ["error", { "prefer": "type-imports" }]
  },
  "settings": {
    "import/parsers": {
      "@typescript-eslint/parser": [".ts", ".tsx"]
    },
    "import/resolver": {
      "typescript": {
        // always try to resolve types under `<root>@types` directory even it doesn't contain any source code,
        // like `@types/unist`
        "alwaysTryTypes": true,
        "project": "tsconfig.eslint.json"
      }
    }
  }
}