Throwing error "Cannot use import statement outside a module"

[nickythorne]

I'm using this library within a nextjs application. I have a workers.ts file which is defined as the following:

import { AppEnvPOAMFindingData, searchAppEnvPoamFindings } from '@repo/shared-api/endpoints/search-app-env-poam-findings';
import { RequestType } from '@repo/shared-api/types/core';
import { exportPoamEventSchema } from '@type/events';
import { define } from 'nanolith';
import 'server-only';
import { z } from 'zod';

export const exportPoamWorker = await define({
    async generatePOAMRecords(data: z.infer<typeof exportPoamEventSchema>) {
        const { organisationId, applicationId, environmentId } = data;
        let currentPage = 1;
        const findings: Array<AppEnvPOAMFindingData> = [];

        const initialFindings = await searchAppEnvPoamFindings({
            organisationId,
            applicationId,
            environmentId,
            page: currentPage,
            limit: 1
        }, RequestType.Internal);

        do {
            const pagedFindings = await searchAppEnvPoamFindings({
                organisationId,
                applicationId,
                environmentId,
                page: currentPage,
                limit: 100
            }, RequestType.Internal);
            findings.push(...pagedFindings.results);
            currentPage = currentPage + 1;
        } while(findings.length < initialFindings.totalResults)

        return findings;

    },
    async exportToPOAMTemplateFile(fileName: string, records: Array<AppEnvPOAMFindingData>) {


    }
}, {
    identifier: 'export-poam-worker',
    file: './app/lib/workers.ts',
    safeMode: false
})

But when I'm calling the worker, after initialising a service, an error is thrown relating to the import syntax.

 "Cannot use import statement outside a module"

I thought TS could be used with this library? Am I doing something wrong here?

Thanks!