Fix: skip Balancer script if global one is already created #86
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pacocoursey
reviewed
Mar 13, 2024
| @@ -71,16 +71,16 @@ const relayout: RelayoutFn = (id, ratio, wrapper) => { | |||
| // the function. | |||
| if (!wrapper['__wrap_o']) { | |||
| if (typeof ResizeObserver !== 'undefined') { | |||
| ;(wrapper['__wrap_o'] = new ResizeObserver(() => { | |||
| ; (wrapper['__wrap_o'] = new ResizeObserver(() => { | |||
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Could you remove the miscellaneous changes in this PR? Like this whitespace.
pacocoursey
approved these changes
Mar 13, 2024
pacocoursey
requested changes
Mar 13, 2024
Comment on lines
+99
to
+101
| if (injected) { | ||
| return null | ||
| } |
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Actually no sorry this doesn't work at all… it's required to inject the script so that each instance of <Balancer /> is correctly balanced on SSR. Otherwise, you end up with this layout shift (on browsers that do not support text-wrap: balance, i.e. Safari)
ILUzvkAZ.mp4
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Hi, this is a great library, thanks for developing it :)
The problem I stumbled upon (and am fixing in this PR) is as follows.
There are two ways to use this library:
Now imagine you have a strict CSP and you need to pass a nonce. You pass the nonce to the Provider and do not pass it to Balancers.
This lib creates an empty script tag for each Balancer in case of global script injection. Since you don't pass the nonce to each Balancer, the CSP doesn't work (as there still is a script for each Balancer).
I fixed this by just not returning any script tag in case of global script injection.
Seems that this PR is associated with #78, but I'm not sure