Warn on missing Set/Map polyfills #10356
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In the past these were warnings. https:/facebook/react/blob/master/src/renderers/dom/ReactDOMStackEntry.js#L131 |
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See above:
Wanna change this for rAF to also be a warning? |
gaearon
changed the title
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I changed Map/Set to be a warning but left |
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Changed rAF check to also be a warning in last commit. |
sebmarkbage
approved these changes
Aug 2, 2017
sebmarkbage
reviewed
Aug 2, 2017
| @@ -25,6 +25,21 @@ import type {Deadline} from 'ReactFiberReconciler'; | |||
| var invariant = require('fbjs/lib/invariant'); | |||
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This is now unused. rm to fix lint.
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Adding an early check with a URL currently pointing to a gist.
We’ll move this to docs as part of 16 release.
We could do a warning instead, which would save some bytes.
I opted for invariant for consistency with what we do for rAFs.Changed this to be a warning per feedback.I check for specific methods we use. There’s some earlier versions of Firefox that added support gradually.