In JavaScript, the natural primitive for "a sequence of things that arrive over time" is already in the language: the async iterable. You consume it with for await...of. You stop consuming by stopping iteration.
await dropOld.writer.write(chunk1); // ok
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這不是個案。那些曾經斥責子女「別老盯着屏幕」的父母，如今自己卻成了最難放下手機的人，過年回家管控父母手機使用，已成為中國年輕人心照不宣的「新年俗」。
Фото: Valentyn Ogirenko / Reuters