A mockup is not a product. The fastest way to blow a timeline is to treat the Figma file as the finish line instead of the starting point.
What a clean handoff actually includes:
The skipped states — empty, loading, error, plus edge cases (long text, no data, slow network).
Design tokens — shared color/spacing/type values so consistency isn't eyeballed.
Named components — mapped 1:1 to the design so the build mirrors the file.
A sync before the sprint — designer + engineer agreeing on the above up front.
/* tokens beat magic numbers */
:root { --space-2: 8px; --radius-lg: 12px; --brand: #4E007A; }
Miss these and the build drifts from the mockup one improvised decision at a time. Nail them and what ships looks like what you designed.
Want a handoff that holds? → devxhub.com
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