前端应用
a11y-frontend-migration
更新于 2026-08-31
Accessibility · 迁移规则
Migration rules for Accessibility: expand/contract phases, idempotent steps and rehearsed rollback.
- 技术栈
- Accessibility
- 主题
- 迁移
- 条目
- 9 条
- 版本
- v0.2.0
✓ 应当这么做
- ✓ Split every breaking change into expand, migrate and contract phases
- ✓ Make the migration idempotent so a re-run is a no-op
- ✓ Rehearse on a production-shaped copy and record the rollback path
✕ 常见反模式
- ✕ Irreversible destructive steps in the same release as code removal
- ✕ Big-bang cutovers with no parallel running period
- ✕ Migrations that depend on manual console steps
◎ 交付前验证
- ◎ Production build completes and the bundle budget is respected
- ◎ No critical CSS purged by the optimizer (spot-check key pages)
- ◎ Lighthouse/axe pass on the main route after the change
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