<component name="ProjectRunConfigurationManager">
  <configuration default="false" name="Debug Frontend (gulp server)" type="JavascriptDebugType" factoryName="JavaScript Debug" engineId="98ca6316-2f89-46d9-a9e5-fa9e2b0625b3" uri="http://localhost:5000/">
    <mapping url="http://localhost:5000" local-file="$PROJECT_DIR$/src" />
    <RunnerSettings RunnerId="JavascriptDebugRunner" />
    <ConfigurationWrapper RunnerId="JavascriptDebugRunner" />
    <method />
  </configuration>
</component>
<component name="ProjectRunConfigurationManager">
  <configuration default="false" name="Debug Frontend (gulp server)" type="JavascriptDebugType" factoryName="JavaScript Debug" engineId="98ca6316-2f89-46d9-a9e5-fa9e2b0625b3" uri="http://localhost:5000/">
    <mapping url="webpack://src" local-file="$PROJECT_DIR$/src" />
    <RunnerSettings RunnerId="JavascriptDebugRunner" />
    <ConfigurationWrapper RunnerId="JavascriptDebugRunner" />
    <method />
  </configuration>
</component>
Set IDEA debug configuration remote webpack URL
Set IDEA debug configuration remote webpack URL

Does not work yet, but setting for future use. See
https://youtrack.jetbrains.com/issue/WEB-14000.
