The Promised Path to Async, Awaits
summary
Shows a concrete refactor path: callback code from a production example dated about three years ago becomes a promise chain and then an async/await reads like sync function that runs in browsers and Node (Node 7 or via Babel). Demonstrates using promises, catch handlers avoid silent failures, and a small tool — Dr Zeus generator — that finds valid await positions; it runs and produces predictable results but warns that uncaught errors disappear unless the consumer adds a catch.
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chapters (4)
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