ES5 Sham
The Object.preventExtensions() method prevents new properties from ever being added to an object (i.e. prevents future extensions to the object).
WARNING Silently fails in ExtendScript. This should be fine unless you are depending on the safety and security provisions of this method.
Source: ps-scripting-es5shim
npm install @extendscript/aes.patch.object.preventextensions
#include 'node_modules/@extendscript/aes.patch.object.preventextensions/preventextensions.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