Make ReactiveSet.clear() and ReactiveMap.clear() more efficient by only notifying listeners of existing members #784
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🦋 Changeset detectedLatest commit: 1d1c686 The changes in this PR will be included in the next version bump. This PR includes changesets to release 2 packages
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webstrand
commented
Apr 2, 2025
| this.#triggers.dirty($KEYS); | ||
| for (const member of super.values()) { | ||
| this.#triggers.dirty(member); | ||
| } | ||
| super.clear(); |
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I did some benchmarking and did not see a performance hit to moving super.clear() into the batch operation. But if you like, I can save a snapshot prior to .clear() and iterate over that in batch.
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This is still missing a changeset. Run |
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Ah, I had no idea that message was for me and not the maintainers. Fixed. |
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Listeners of non-existing members cannot observe different values before or after
.clear().get(nonexsting) -> undefinedor.has(nonexisting) -> falseso there's no use in notifying them.