ES5 Sham
The Object.isSealed() method determines if an object is sealed.
Source: ps-scripting-es5shim
npm install @extendscript/aes.patch.object.issealed
#include 'node_modules/@extendscript/aes.patch.object.issealed/issealed.js'
You can test the code against a range of targets:
npm run test target-1 target-2
We keep a log of test results