.eslintrc.json

{
    "root": true,
    "env": {
        "node": true,
        "es6": true
    },
    "parser": "@typescript-eslint/parser",
    "parserOptions": {
        "ecmaVersion": 6,
        "sourceType": "module"
    },
    "plugins": [
        "@typescript-eslint",
        "prettier"
    ],
    "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/eslint-recommended",
        "plugin:@typescript-eslint/recommended",
        "prettier"
    ],
    "rules": {
        "no-throw-literal": "warn",
        "no-console": 0,
        "no-cond-assign": 0,
        "no-unused-vars": [
            "error",
            {
                "argsIgnorePattern": "^_"
            }
        ],
        "@typescript-eslint/no-unused-vars": [
            "error",
            {
                "argsIgnorePattern": "^_"
            }
        ],
        "@typescript-eslint/explicit-module-boundary-types": "off",
        "no-extra-semi": "warn",
        "semi": "warn",
        "prettier/prettier": "error"
    },
    "overrides": [
        {
            "files": [
                "**/*.test.ts",
                "**/*.test.tsx"
            ],
            "env": {
                "mocha": true
            }
        },
        {
            "files": [
                "**/client/**/*.ts*"
            ],
            "env": {
                "browser": true
            }
        },
        {
            "files": [
                "build/**/*.js"
            ],
            "rules": {
                "@typescript-eslint/no-var-requires": "off"
            }
        },
        {
            "files": [
                "build/**/plugins/**/*.js"
            ],
            "rules": {
                "no-unused-vars": "off",
                "@typescript-eslint/no-unused-vars": "off",
                "@typescript-eslint/no-empty-function": "off"
            }
        },
        {
            "files": [
                "src/**/*.d.ts"
            ],
            "rules": {
                "no-unused-vars": "off",
                "@typescript-eslint/no-explicit-any": "off",
                "@typescript-eslint/ban-types": "off",
                "@typescript-eslint/adjacent-overload-signatures": "off"
            }
        }
    ]
}