perf: defer HTML-to-plain conversion off the UI thread (P3) #49

2026-05-14T09:05:38Z

guettlibot commented

2026-05-14 09:05:38 +00:00

(Migrated from codeberg.org)

Summary

Wraps the htmlToPlain call in _quotedBody with compute() so the regex-heavy HTML stripping runs in a background isolate rather than on the UI thread
_reply, _forward, and _quotedBody are now async; onPressed callbacks use unawaited() to fire-and-forget
If a plain-text body is already available, compute is skipped entirely — no overhead for text-only emails

Test plan

Existing widget tests for EmailDetailScreen still pass (no behavior change)
task check-fast green

🤖 Generated with Claude Code

## Summary - Wraps the `htmlToPlain` call in `_quotedBody` with `compute()` so the regex-heavy HTML stripping runs in a background isolate rather than on the UI thread - `_reply`, `_forward`, and `_quotedBody` are now async; onPressed callbacks use `unawaited()` to fire-and-forget - If a plain-text body is already available, `compute` is skipped entirely — no overhead for text-only emails ## Test plan - [x] Existing widget tests for `EmailDetailScreen` still pass (no behavior change) - [x] `task check-fast` green 🤖 Generated with [Claude Code](https://claude.com/claude-code)

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Reference: guettli/sharedinbox#49