// turn a long array into a set of smaller chunks const chunk = (data, chunkSize = 10) => { const chunks = []; let thisChunk = []; data.forEach((d) => { if (thisChunk.length >= chunkSize) { chunks.push(thisChunk); thisChunk = []; } thisChunk.push(d); }); // final chunk if (thisChunk.length > 0) chunks.push(thisChunk); return chunks; }; module.exports = chunk;