tsconfig.json

{
  "compilerOptions": {
    "allowJs": false /* Allow javascript files to be compiled. */,
    "allowSyntheticDefaultImports": true /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */,
    "baseUrl": ".",
    "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
    "jsx": "preserve" /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */,
    "module": "commonjs" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
    "moduleResolution": "node" /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */,
    "noImplicitAny": false, /* Raise error on expressions and declarations with an implied 'any' type. */
    "paths": {
      "pages/*": [ "test/pages/*" ],
      "specs/*": [ "test/specs/*" ]
    },
    "strict": false  , /* Enable all strict type-checking options. */
    "target": "es2017", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. */
    "types": [ "webdriver", "webdriverio", "mocha", "chai", "node" ]
  }
}