Allow plugins from a parent document to be used in an iframe (#12208)

2hu12 · thecrypticace · web-flow · commit a1bcfa2479b1 · 2023-10-17T10:41:53.000-04:00
* Fix cross iframe isPlainObject check

* Update changelog

---------

Co-authored-by: Jordan Pittman &lt;jordan@cryptica.me&gt;
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -27,6 +27,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fix sorting of utilities that share multiple candidates ([#12173](https://github.com/tailwindlabs/tailwindcss/pull/12173))
 - Ensure variants with arbitrary values and a modifier are correctly matched in the RegEx based parser ([#12179](https://github.com/tailwindlabs/tailwindcss/pull/12179))
 - Fix crash when watching renamed files on FreeBSD ([#12193](https://github.com/tailwindlabs/tailwindcss/pull/12193))
+- Allow plugins from a parent document to be used in an iframe ([#12208](https://github.com/tailwindlabs/tailwindcss/pull/12208))
 
 ### Added
 
diff --git a/src/util/isPlainObject.js b/src/util/isPlainObject.js
@@ -4,5 +4,5 @@ export default function isPlainObject(value) {
   }
 
   const prototype = Object.getPrototypeOf(value)
-  return prototype === null || prototype === Object.prototype
+  return prototype === null || Object.getPrototypeOf(prototype) === null
 }

Original file line number	Diff line number	Diff line change
`@@ -4,5 +4,5 @@ export default function isPlainObject(value) {`
`4`	`4`	`}`
`5`	`5`
`6`	`6`	`const prototype = Object.getPrototypeOf(value)`
`7`		`- return prototype === null \|\| prototype === Object.prototype`
	`7`	`+ return prototype === null \|\| Object.getPrototypeOf(prototype) === null`
`8`	`8`	`}`