Not being able to use jsonpickleJS in Node.js

[laike9m]

Sorry for opening several issues. I really want to use jsonpickleJS in Node.js, since I'm already using jsonpickle in Python and got the encoded JSON string, and want to convert them to Js objects

The blockers are:

• window is not defined in Node.js

• Arbitrary Python objects can be encoded, and the prerequisite of

  you'll need to have a Prototype constructor function called window.myobject.Thing in Javascript.

  is hard to met

Do you have any suggestions?

[mscuthbert]

Here is a quick patch that I will get into the main system at some point, but if you could put it in and test it, this would be a big help. The only reference to window is in unpickler.js. The revised code should go:

export function loadclass(module_and_name) {
    const main_check = '__main__.';
    if (module_and_name.indexOf(main_check) === 0) {
        module_and_name = module_and_name.slice(main_check.length);
    }
    let parent;
    if (typeof globalThis !== 'undefined') {
	parent = globalThis;
    } else if (typeof window !== 'undefined') {
	parent = window;
    } else if (typeof global !== 'undefined') {
	parent = global;
    }
    const module_class_split = module_and_name.split('.');

from the const module_class_split onward, it should be the same.

If you have a version of node with globalThis or global it should work. Just make sure that the Prototype constructor function points to global.myobject.Thing instead.