How to use the vue-loader/lib/codegen/hotReload.genHotReloadCode function in vue-loader

${isServer ? JSON.stringify(hash(request)) : `null`}
  ${isShadow ? `,true` : ``}
)
  `.trim() + `\n`

  if (descriptor.customBlocks && descriptor.customBlocks.length) {
    code += genCustomBlocksCode(
      descriptor.customBlocks,
      resourcePath,
      resourceQuery,
      stringifyRequest
    )
  }

  if (needsHotReload) {
    code += `\n` + genHotReloadCode(id, hasFunctional, templateRequest)
  }

  // Expose filename. This is used by the devtools and Vue runtime warnings.
  if (!isProduction) {
    // Expose the file's full path in development, so that it can be opened
    // from the devtools.
    code += `\ncomponent.options.__file = ${JSON.stringify(rawShortFilePath.replace(/\\/g, '/'))}`
  } else if (options.exposeFilename) {
    // Libraies can opt-in to expose their components' filenames in production builds.
    // For security reasons, only expose the file's basename in production.
    code += `\ncomponent.options.__file = ${JSON.stringify(filename)}`
  }

  code += `\nexport default component.exports`
  // console.log(code)
  return code