Fix empty children #4822
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Fix empty children #4822
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JoviDeCroock
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I am well and thoroughly confused by our tests erroring out right now 😂 EDIT: ah a rebase was all it took |
rschristian
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Jun 30, 2025
| @@ -312,7 +312,7 @@ export function diff( | |||
| } | |||
| } else { | |||
| newVNode._dom = oldVNode._dom; | |||
| newVNode._children = oldVNode._children; | |||
| newVNode._children = oldVNode._children || []; | |||
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| newVNode._children = oldVNode._children || []; | |
| newVNode._children = oldVNode._children || EMPTY_ARR; |
Will need to add it as an import tho, wish GH allowed users to suggest outside the diff.
Weird that the CI is failing. Edit: Ah, looks like we'll need to manually upload something to get the 10.x line working again.
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Would add a small comment here too on why we set it to a default value (e.g. point to prefresh issue)
rschristian
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Jun 30, 2025
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In preactjs/prefresh#568 the point was rightfully made that we lose our assurance that
_childrenis always an array. When a component throws on first-render we risk setting anundefinedvalue and then re-using it for recovered renders.I haven't found a way to actually make this occur in our test suite yet though