title: ESLint couldn't find the config "prettier/@typescript-eslint" after relocating .eslintrc to parent
body: <p>I have a folder structure like</p>
  <pre><code>parentFolder &gt; componentA
               &gt; componentB
               &gt; componentC
  </code></pre>
  <p>Each component has a package.json which defines a yarn lint command (eslint &quot;myFilter&quot; --no-error-on-unmatched-pattern). And each component has its own .eslintrc and .prettierrc</p>
  <p>When I am in a componentA/B/C folder and run yarn lint, it is working as expected.</p>
  <p>Since all of the .eslintrc are the same in each component folder, I moved the file under parentFolder and delete the copies in the component folders. When I call yarn lint, it used the .eslintrc in the parentFolder, but, I am getting an error.</p>
  <blockquote>
  <p>Oops! Something went wrong! :(</p>
  <p>ESLint: 6.8.0.</p>
  <p>ESLint couldn't find the config &quot;prettier/@typescript-eslint&quot; to
  extend from. Please check that the name of the config is correct.</p>
  </blockquote>
  <p>I moved the .prettierrc to the parent folder, but, it couldn't find it. What should I do? Thank you</p>
  <p><strong>Update:</strong> I noticed if I add the prettier on the package.json in the parent folder and run the yarn install, it works. But, I don't know if this is the proper way to do it.</p>