fix: Preserve sign when formatting durations #25891
Merged
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We're not preserving signs when formatting duration values. Negative duration values may be propagated by the SDK as in GoogleChrome/web-vitals#137 . While these values are invalid, knowing that duration values are negative would surface bugs sooner; and help us ensure duration values are not negative in the product.
In the future, we'll provide enhanced UI features to communicate that negative duration values are invalid.
Before
After