jetbrains-settings/parameter.hints.xml

<application>
  <component name="ParameterNameHintsSettings">
    <blacklists>
      <blacklist language="TypeScript" />
    </blacklists>
    <option id="js.param.hints.show.names.for.all.args" value="true" />
    <option id="js.only.show.names.for.all.args" value="true" />
    <disabledLanguages>
      <language id="TypeScript" />
      <language id="JavaScript" />
    </disabledLanguages>
  </component>
</application>