codesnips

async-iterators

javascript 
const fs = require('fs');
const readline = require('readline');

async function* streamCsvRows(filePath) {
  const stream = fs.createReadStream(filePath, { encoding: 'utf8' });
  const rl = readline.createInterface({ input: stream, crlfDelay: Infinity });

Stream and Import a Large CSV File Line-by-Line with Node.js readline

nodejs streams readline
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