feat: optimize re-renders for builder-component

[midhunadarvin]

Description

• prevent updateState calls whenever we call delete key on the rootState

Loom
https://www.loom.com/share/4d19d3dacd14468aaa8f7e4a575fbe01

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Note

Introduce onChange.suspend/resume and use them to batch rootState resets in BuilderComponent, reducing unnecessary re-renders.

• State change tracking (packages/react/lib/on-change.js):
  • Add SUSPEND/RESUME symbols and isSuspended flag.
  • Expose onChange.suspend(proxy) and onChange.resume(proxy) APIs.
  • ignoreChange now skips notifications while suspended; handler exposes suspend/resume at root.
• Builder component (packages/react/src/components/builder-component.component.tsx):
  • Wrap builder.resetState and builder.resetSymbolState handlers with onChange.suspend(this.rootState)/onChange.resume(this.rootState) to batch deletions/assignments.
  • After reset, call debouncedUpdateState (1s debounce) to coalesce updates.
  • Add debouncedUpdateState = debounce(this.updateState, 1000).

^{Written by Cursor Bugbot for commit 316c80d. This will update automatically on new commits. Configure here.}

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☁️ Nx Cloud last updated this comment at 2025-10-31 07:01:34 UTC

[cursor]

Bug: Bug

The builder.resetSymbolState case performs state updates (Object.assign, setState) after change tracking resumes, defeating batching and risking inconsistent state if an error occurs during deletion. Separately, the builder.resetState case causes redundant re-renders by calling setState directly and then again via debouncedUpdateState.