pdf.js-extract/lib/extraction/metadata.mjs

super-simple async PDF reader that extracts text with x,y page positions based on pdf.js

import { compactObj } from "../utils.mjs";

export async function getMetadata(doc) {
	const data = await doc.getMetadata();
	return {
		info: compactObj(data.info),
		metadata: data.metadata ? compactObj(Object.fromEntries(data.metadata)) : undefined
	};
}