A Design System Fixes Accessibility Once, If Used
Discover why fixing accessibility at the source through a design system fails if custom-coded workarounds bypass the main codebase components.
Stock photo for illustration only, not from the actual event
- Fixing accessibility at the source saves time by updating every component instance simultaneously.
- Hidden pitfalls occur when custom code like raw divs bypass the centralized components.
- A successful design system requires making accessible patterns the easiest path to adopt.
- The real task involves searching the codebase to track down and eliminate stray implementations.
Doing accessibility remediation long enough always leads software developers to the same conclusion: stop fixing isolated instances and fix the mechanism that generates them. The logical end of this approach is the design system, where repairing a button component once automatically updates every matching instance across the entire product.
This source-level strategy promises high leverage, but it rests on an assumption that can quietly fail. When you correct the canonical component, every instance utilizing it gets fixed as promised. However, codebases often contain hidden exceptions that slip past the centralized architecture.
From a software architecture perspective, introducing a design system is only half the battle; enforcement and cultural adoption dictate its real-world success. Without strict code reviews and automated linting rules, developers under tight deadlines will naturally resort to quick workarounds, undermining the integrity of the centralized system.
Somewhere deep in the codebase, a developer might have hurried to write a standalone click handler inside a raw div. Other stray instances include legacy code copied before the component existed or isolated components hidden in obscure corners of the application that were never migrated.
- One-off buttons created hastily with custom click handlers outside the system
- Duplicated code snippets copied before the creation of the canonical component
- Untracked legacy elements that were never migrated to the centralized design system
Consequently, re-audits will pass on pages built properly with the component and fail on pages where the pattern was reinvented. You end up with the same fix in the same product yielding different accessibility results, while nothing in the component diff explains the discrepancy.
Stock photo for illustration only, not from the actual event
The true completion of a source-level fix goes beyond ensuring the component itself is right. It requires scouring the codebase for every reimplemented pattern and deciding whether to fold each one back into the component or fix it directly where it sits.
Ultimately, a design system is more than a folder filled with accessible components. It represents a commitment to making the accessible pattern the canonical and effortless path. If adoption proves harder than hand-rolling a custom solution, developers will take shortcuts, scattering unmanaged instances across the codebase.
Source: Dev.to
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