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This is a new extension that Chrome added to the existing `console.timeStamp` similar to the extensions added to `performance.measure`. This one should be significantly faster because it doesn't have the extra object indirection, it doesn't return a `PerformanceMeasure` entry and doesn't register itself with the global system of entries. I also use `performance.measure` in DEV for errors since we can attach the error to the `properties` extension which doesn't exist for `console.timeStamp`. A downside of using this API is that there's no programmatic API for the site itself to collect its own logs from React. Which the previous allowed us to use the standard `performance.getEntries()` for. The recommendation instead will be for the site to patch `console.timeStamp` if it wants to collect measurements from React just like you're recommended to patch `console.error` or `fetch` or whatever to collect other instrumentation metrics. This extension works in Chrome canary but it doesn't yet work fully in Chrome stable. We might want to wait until it has propagated to Chrome to stable. It should be in Chrome 136. |
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| .. | ||
| config | ||
| createFlowConfigs.js | ||
| environment.js | ||
| react-devtools.js | ||
| react-native-host-hooks.js | ||
| runFlow.js | ||
| xplat.js | ||