MathUtils: Use crypto.randomUUID() when available.

[mrdoob]

Related issue: #13069

Description

Browser are adding a function for generating random UUIDs.
It's already available in Chrome, Edge and it's coming in Safari and Firefox.

[mrdoob]

Meh, I don't know how to make this pretty without breaking...

[Mugen87]

You probably have to put the test 'randomUUID' in crypto inside generateUUID().

[mrdoob]

I was trying to avoid not having to check every time. I guess I'll have to declare it outside...

[Mugen87]

Maybe having two functions generateUUIDCrypto() and generateUUIDLegacy(). And then do this:

const generateUUID = ( 'randomUUID' in crypto ) ? generateUUIDCrypto : generateUUIDLegacy;

[mrdoob]

I'm also trying to avoid having to declare _lut 😅

[Mugen87]

It seems the crypto variable does not exists in node.js. Adding typeof crypto=== 'undefined' should solve this.

[mrdoob]

Alright, lets see how this goes 🤞

[mrdoob]

Hmm, rollup is adding a getter:

@Mugen87 I'll try your approach 👍

[mrdoob]

e245401

[Mugen87]

Looking good!