dify/web/docs/overlay-migration.md
yyh 7f67e1a2fc
feat(web): overlay migration guardrails + Base UI primitives (#32824)
Signed-off-by: yyh <yuanyouhuilyz@gmail.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
2026-03-03 16:56:13 +08:00

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# Overlay Migration Guide
This document tracks the migration away from legacy `portal-to-follow-elem` APIs.
## Scope
- Deprecated API: `@/app/components/base/portal-to-follow-elem`
- Replacement primitives:
- `@/app/components/base/ui/tooltip`
- `@/app/components/base/ui/dropdown-menu`
- `@/app/components/base/ui/popover`
- `@/app/components/base/ui/dialog`
- `@/app/components/base/ui/select`
- Tracking issue: https://github.com/langgenius/dify/issues/32767
## ESLint policy
- `no-restricted-imports` blocks new usage of `portal-to-follow-elem`.
- The rule is enabled for normal source files and test files are excluded.
- Legacy `app/components/base/*` callers are temporarily allowlisted in ESLint config.
- New files must not be added to the allowlist without migration owner approval.
## Migration phases
1. Business/UI features outside `app/components/base/**`
- Migrate old calls to semantic primitives.
- Keep `eslint-suppressions.json` stable or shrinking.
1. Legacy base components in allowlist
- Migrate allowlisted base callers gradually.
- Remove migrated files from allowlist immediately.
1. Cleanup
- Remove remaining suppressions for `no-restricted-imports`.
- Remove legacy `portal-to-follow-elem` implementation.
## Suppression maintenance
- After each migration batch, run:
```sh
pnpm eslint --prune-suppressions --pass-on-unpruned-suppressions <changed-files>
```
- Never increase suppressions to bypass new code.
- Prefer direct migration over adding suppression entries.
## React Refresh policy for base UI primitives
- We keep primitive aliases (for example `DropdownMenu = Menu.Root`) in the same module.
- For `app/components/base/ui/**/*.tsx`, `react-refresh/only-export-components` is currently set to `off` in ESLint to avoid false positives and IDE noise during migration.
- Do not use file-level `eslint-disable` comments for this policy; keep control in the scoped ESLint override.