The DeepCopier currently does not deep-copy basic objects, eg.:
let obj = {
nested: {
nested2: "test";
}
}
In addition to the shallowCopyValues option there should be a deepCopyValues option.
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I wrote a merge function for a sort of deep copy, but more like a nested copy. Full deep copy gets complex quickly as questions come up about arrays. Do you replace, interlace, sort and/or append?
Here’s a merge and an unmerge (e.g. subtract) for simple nested javascript objects:
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For deep-copying objects I’m using this recursive function, which is enough for my use-case:
let obj = deepCopyObject(obj2);
function deepCopyObject(src) {
let target = Array.isArray(src) ? [] : {};
for (let key in src) {
let v = src[key];
if (v) {
if (typeof v === "object") {
target[key] = deepCopyObject(v);
} else {
target[key] = v;
}
if (v instanceof BABYLON.Vector3) {
target[key] = new BABYLON.Vector3(v.x, v.y, v.z);
}
if (v instanceof BABYLON.Vector2) {
target[key] = new BABYLON.Vector2(v.x, v.y);
}
} else {
target[key] = v;
}
}
return target;
}
But I’d like to have a built in object deep copier in the BJS DeepCopier for ease, so I don’t have to paste this function everywhere.
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Sadly not compatible with older browser versions (pre-2022ish) 
