Intermediatenote 07 of 0803 reasons · 03 notes
JavaScriptIntermediate
Use Promise.allSettled for batches
Let batch work report partial success instead of failing everything on the first rejection.
Code example
Copy, adapt, and ship.
Read the numbered lines, copy the complete snippet, then adjust the values for your project.
// Use Promise.allSettled for batches// Apply this pattern in the smallest file that owns the behavior.const beforeShipping = [ "Name the intent clearly", "Handle the empty or error state", "Keep the change easy to test",];Why this matters
The production reason.
- 01
Let batch work report partial success instead of failing everything on the first rejection. This matters because small implementation habits compound across every page, component, and handoff in a production codebase.
- 02
Use the pattern where the behavior is owned, keep the API small, and make the result easy for another developer to verify later.
- 03
The goal is not clever code. The goal is predictable code that survives new content, new teammates, and real user traffic.
How it holds up outside a demo.
- FrameworksKeep the pattern close to the route, component, or module that owns the behavior.
- CMS or buildersMake the rule reusable so editors do not need to remember implementation details.
- ProductionAdd a small check, test, or review note so the pattern does not regress quietly.
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