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⚡ Bolt: Optimize Hex Color Regex Validation#64

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bolt/optimize-hex-validation-18217694341822164961
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⚡ Bolt: Optimize Hex Color Regex Validation#64
himattm wants to merge 1 commit into
mainfrom
bolt/optimize-hex-validation-18217694341822164961

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@himattm himattm commented May 27, 2026

💡 What: Replaced dynamic Regex usage for hex color validation with a manual string iteration function isValidHexColor().
🎯 Why: Instantiating and executing a state machine via Regex for very simple length and character validation introduces overhead. Manual checks for exact length and character bounds avoid this overhead and perform faster.
📊 Impact: Minor measurable reduction in execution time for color validation in schema parsing.
🔬 Measurement: Verify tests run properly by executing ./gradlew :halogen-core:test and ./gradlew :halogen-image:test.


PR created automatically by Jules for task 18217694341822164961 started by @himattm

Replaced the `Regex("^#[0-9A-Fa-f]{6}$")` match used for hex color validation in `SchemaParser` (and corresponding test files) with a manual string iteration function `isValidHexColor`. This avoids Regex engine execution overhead for simple format checks, slightly improving performance on hot paths. Tested to ensure identical behavior with exactly 7 characters length limit.

Co-authored-by: himattm <6266621+himattm@users.noreply.github.com>
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@himattm himattm mentioned this pull request Jun 6, 2026
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himattm commented Jun 6, 2026

Closing this in favor of #74, which curates the parser hot-path changes without the generated .jules/bolt.md metadata and covers the duplicate HintExtractor/SchemaParser optimization work in one PR.

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Closing this in favor of #74, which curates the parser hot-path changes without the generated .jules/bolt.md metadata and covers the duplicate HintExtractor/SchemaParser optimization work in one PR.

Understood. Acknowledging that this work is now obsolete and stopping work on this task.

@himattm himattm closed this Jun 6, 2026
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