.eslintrc.js

module.exports = {
    parser: "@typescript-eslint/parser",
    plugins: [
        "@typescript-eslint"
    ],
    env: {
        browser: true,
        es6: true,
        node: true
    },
    extends: [
        "eslint:recommended",
        "plugin:@typescript-eslint/recommended",
        "./.eslintrc.react.js"
    ],
    rules: {
        "@typescript-eslint/explicit-function-return-type": 1,
        "@typescript-eslint/indent": [ 1, 4, {
            "ignoredNodes": [ "JSXElement *", "JSXElement" ],    // ignoredNodes prevents clashing with react/jsx-indent-props
            "SwitchCase": 1
        } ],
        "@typescript-eslint/interface-name-prefix": 0,
        "@typescript-eslint/no-empty-function": 0,
        "@typescript-eslint/no-empty-interface": 1,
        "@typescript-eslint/no-unused-vars": [ 1, { "argsIgnorePattern": "^_" } ],  // allows unused parameters if they're prefixed with underscore
        "@typescript-eslint/no-use-before-define": 0,
        "@typescript-eslint/no-var-requires": 0,

        "array-bracket-spacing": [ 1, "always" ],
        "comma-dangle": [ 1, "never" ],
        "eol-last": 1,
        "key-spacing": [ 1, { "afterColon": true, "beforeColon": false } ],
        "keyword-spacing": [ 1, { "before": true, "after": true, "overrides": {
            "catch": { "after": false },
            "for": { "after": false },
            "if": { "after": false },
            "switch": { "after": false },
            "while": { "after": false }
        } } ],
        "no-debugger": 0,
        "no-trailing-spaces": 1,
        "object-curly-spacing": [ 1, "always" ],
        "quotes": 1,
        "semi": [ 1, "always" ],
        "space-before-function-paren": [ 1, "never" ],
        "space-in-parens": [ 1, "always", { "exceptions": [ "{}" ] } ]
    }
};