TS Starter: .eslintrc.json

.eslintrc.json

{
    "root": true,
    "parser": "@typescript-eslint/parser",
    "plugins": ["@typescript-eslint", "prettier"],
    "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/recommended",
        "airbnb-base",
        "plugin:import/errors",
        "plugin:import/warnings",
        "prettier"
    ],
    "parserOptions": {
        "ecmaVersion": 7,
        "sourceType": "module"
    },
    "settings": {
        "import/resolver": {
            "node": {
                "extensions": [".ts"]
            }
        }
    },
    "env": {	
        "browser": true,
        "es6": true,
        "node": true,
        "jest": true
    },
    "ignorePatterns": ["**/*.test.ts"],
    "rules": {
        "camelcase": "off",
        "import/extensions": "off",
        "max-len": ["error", { "code": 120 }],
        "no-restricted-syntax": "off",
        "no-console": 2,
        "no-alert": 2,
        "comma-dangle": ["error", "never"],
        "no-use-before-define": [
            "error",
            { "functions": false, "classes": true, "variables": true }
        ],
        "no-cond-assign": ["error", "except-parens"],
        "quote-props": [2, "consistent-as-needed"],
        "no-underscore-dangle": ["error", { "allowAfterThis": true }],
        "import/no-unresolved": [2],
        "no-param-reassign": [
            2,
            {
                "props": false
            }
        ],
        "@typescript-eslint/explicit-function-return-type": ["error"],
        "prettier/prettier": "error"
    },
    "overrides": [
        {
            "files": ["*.js"],
            "rules": {
                "@typescript-eslint/explicit-function-return-type": 0
            }
        }
    ]
}