What is the best way to dynamically load utility methods in a Next.js application?

Do you believe it is beneficial to organize logic into utility files and dynamically load them to enhance the speed of a website?

For example, I have a method called getInvoiceDetails in a file named getInvoiceDetails.tsx:

export default const getInvoiceDetails = (
  eventId: string
) => {

In another component file, I import this method as follows:

const getInvoiceDetails = dynamic(
  () => import("../../Utility/BuyTicket/getInvoiceDetails")
);

and then proceed to call it:

let resp = getInvoiceDetails(
      eventId

However, when running yarn build, an error is raised:

  Not all constituents of type 'ComponentType<{}>' are callable.
    Type 'ComponentClass<{}, any>' has no call signatures.

  286 |   const callInvoiceDetails = () => {
  287 |     callSaveData();

> 288 |     let resp = getInvoiceDetails(
> Blockquote

Can you identify what might be causing this issue?

Answer №1

Dynamic importing in Next.js allows for the dynamic loading of React components.

If you need to import a utility function, consider using the standard ES2020 dynamic import instead.

const fetchUserData = await import("../../Utils/UserData/fetchUserData");

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