Every fragment means promises created for read() calls, promises for backpressure coordination, intermediate buffer allocations, and { value, done } result objects – most of which become garbage almost immediately.
return this.#data.get(key)?.value !== null;
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Motorola announces a partnership with GrapheneOS Foundation, marking a new chapter in smartphone security and expanding its enterprise portfolio March 2, 2026
Between off-grid adventures and unexpected power outages, portable power stations have become must-have gadgets. But they're definitely not cheap. So any chance you have to sweeten the deal, we recommend jumping on. For instance, Amazon has one of Bluetti's most premium power stations on sale for $600 off right now — its best price on record.