I'm not sure if this is a good way to test but I tried testing it by creating a component that logs to the console when it renders and it looks like that code never ran.
Exactly, this will actually add the child node to the tree and perform any effects for example. You can avoid this by using render props, but that kinda defeats the purpose.
Actually it shouldn't run. I've created a codesadbox for you guys to check out where you can see both functional and class based components.
Here is the link: codesandbox.io/s/nice-wiles-cwfi6?...
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I'm not sure if this is a good way to test but I tried testing it by creating a component that logs to the console when it renders and it looks like that code never ran.
Link to CodePen: codepen.io/hedwardd/pen/xxdOpxy?ed...
Could it have something to do with it being a functional component?
Exactly, this will actually add the child node to the tree and perform any effects for example. You can avoid this by using render props, but that kinda defeats the purpose.
Does it? Now I'm confused. If you look at the CodePen I created, the effects don't seem to run (unless I'm misunderstanding something)
Actually it shouldn't run. I've created a codesadbox for you guys to check out where you can see both functional and class based components.
Here is the link:
codesandbox.io/s/nice-wiles-cwfi6?...