Vizel API / core/src / createLazyLoader

Function: createLazyLoader()

function createLazyLoader<T>(moduleName, importFn): () => Promise<T>;

Defined in: packages/core/src/utils/lazy-import.ts:29

Creates a lazy loader for an optional dependency. Caches the loaded module to avoid repeated dynamic imports.

Type Parameters

Type Parameter
T

Parameters

Parameter	Type	Description
moduleName	string	The npm package name (used in error messages)
importFn	() => Promise<T>	A function that performs the dynamic import

Returns

A function that returns a Promise of the loaded module

() => Promise<T>

Example

const loadMermaid = createLazyLoader("mermaid", async () => {
  const mod = await import("mermaid");
  return mod.default;
});

// Later, when needed:
const mermaid = await loadMermaid();