Injecting local script tag onto page

I'm trying to inject a few local .js files onto pages so they can do some tidying before I save the page HTML. Locally, it works well like this:

Plain Text

const __dirname = path.dirname(fileURLToPath(import.meta.url));
const SINGLE_FILES = [
    'single-file-bootstrap.js',
    'single-file-frames.js',
    'single-file-hooks-frames.js',
    'single-file.js'
];

export const SINGLE_FILE_PATHS = SINGLE_FILES.map(file => path.join(__dirname, 'single-file', file));

export async function addScriptsToPage(page: Page) {
    try {
        for (const scriptPath of SINGLE_FILE_PATHS) {
            await page.addScriptTag({ path: scriptPath });
        }
    } catch(e) {
        console.error('Error adding scripts to page', e);
        return { success: false, error: e };
    }
    return { success: true };
}

But when i try to run this on the apify platform, I get "No Such File Or Directory" errors. How can i reference files from my package on the apify platform so I can inject them into a page?

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Injecting local script tag onto page