title: Ignore TS errors in project with yarn workspaces
body: <p>I have a repo using yarn workspaces. When running <code>tsc --noEmit</code> to type check my code from within the workspace folder, errors are being reported for packages that are being stored at the top level <code>node_modules</code></p>
  
  <pre><code>../../node_modules/create-emotion-styled/types/index.d.ts:5:24 - error TS7016: ...
  ../../node_modules/create-react-context/lib/index.d.ts:1:24 - error TS7016: ...
  ../../node_modules/react-i18next/index.d.ts:1:24 - error TS7016: ...
  </code></pre>
  
  <p>All errors are about not finding react types:</p>
  
  <pre><code>Could not find a declaration file for module 'react'.
  </code></pre>
  
  <p>I have <code>@types/react</code> installed locally in my workspace, but regardless, from the docs:</p>
  
  <blockquote>
    <p>The "exclude" property defaults to excluding the node_modules, bower_components, jspm_packages and  directories when not specified.</p>
  </blockquote>
  
  <p>I've also tried <code>exclude: ["**/node_modules", "**/node_modules/**"]</code> without success.</p>
  
  <p>So why are these errors being thrown?</p>