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Fix/performance bug in mailcodec wraptext#276

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robert-virkus merged 2 commits into
Enough-Software:mainfrom
nogringo:fix/performance-bug-in-mailcodec-wraptext
May 4, 2026
Merged

Fix/performance bug in mailcodec wraptext#276
robert-virkus merged 2 commits into
Enough-Software:mainfrom
nogringo:fix/performance-bug-in-mailcodec-wraptext

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@nogringo
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@nogringo nogringo commented May 4, 2026

Summary

This PR addresses two independent issues:

  1. Code quality: Resolves all remaining dart analyze warnings (missing await, line length, missing docs)
  2. Performance: Fixes a pathological O(n²) loop in MailCodec.wrapText() that caused buildMimeMessage() to take ~34 seconds for a 100KB plain-text body

Tests

  • test/message_builder_test.dart
    • Add performance regression test: buildMimeMessage should be fast with 100KB body
    • Asserts buildMimeMessage() completes in <1s for a 100KB plain-text body

@robert-virkus
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Thanks, great contribution @nogringo!

@robert-virkus robert-virkus merged commit e5e665d into Enough-Software:main May 4, 2026
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2 participants