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16 changes: 12 additions & 4 deletions src/lib/import-esm-package.ts
Original file line number Diff line number Diff line change
Expand Up @@ -2,9 +2,17 @@
* Dynamically imports an ESM package in a CommonJS NestJS project,
* avoiding TypeScript transpilation to `require()`, which ESM packages do not support.
*/

export const importEsmPackage = async <ReturnType>(
packageName: string,
): Promise<ReturnType> =>
new Function(`return import('${packageName}')`)().then(
(loadedModule: unknown) => loadedModule['default'] ?? loadedModule,
);
): Promise<ReturnType> => {
try {
const modulePromise = eval(`import('${packageName}')`);
const module = await modulePromise;

return (module.default || module) as ReturnType;
} catch (error) {
console.error(`Error importing ESM package ${packageName}:`, error);
throw error;
}
};
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