.eslintrc-test.json

{
    "root": true,
    "parser": "@typescript-eslint/parser",
    "plugins": ["@typescript-eslint"],
    "extends": ["airbnb-typescript/base", "plugin:@typescript-eslint/recommended"],
    "parserOptions": {
        "ecmaVersion": 2017,
        "project": "./tsconfig-test.json"
    },
    "rules": {
        "max-len": ["error", 140],
        "linebreak-style": ["error", "unix"],
        "class-methods-use-this": "off",
        "comma-dangle": [
            "error",
            {
                "arrays": "never",
                "objects": "never",
                "imports": "never",
                "exports": "never",
                "functions": "never"
            }
        ],
        "no-duplicate-imports": "error",
        "no-redeclare": "error",
        "no-trailing-spaces": "error",
        "space-before-blocks": "error",
        "space-infix-ops": "error",
        "import/prefer-default-export": "off",
        "newline-before-return": ["error"],
        "no-cond-assign": ["error", "always"],
        "no-console": "error",
        "lines-between-class-members": "off",
        "padding-line-between-statements": [
            "error",
            { "blankLine": "always", "prev": "*", "next": "return" },
            { "blankLine": "always", "prev": ["const", "let", "var"], "next": "*" },
            { "blankLine": "any", "prev": ["const", "let", "var"], "next": ["const", "let", "var"] }
        ],
        "@typescript-eslint/consistent-type-assertions": [
            "error",
            {
                "assertionStyle": "angle-bracket"
            }
        ],
        "@typescript-eslint/indent": ["error", 4],
        "@typescript-eslint/quotes": ["error", "single"],
        "@typescript-eslint/semi": ["error", "always"],
        "@typescript-eslint/typedef": [
            "error",
            {
                "arrayDestructuring": true,
                "arrowParameter": true,
                "memberVariableDeclaration": true,
                "objectDestructuring": false,
                "parameter": true,
                "propertyDeclaration": true,
                "variableDeclaration": true
            }
        ],
        "@typescript-eslint/explicit-function-return-type": ["error"],
        "@typescript-eslint/no-throw-literal": "off"
    }
}