base64/hex methods missing from `Uint8Array`

[printfn]

⚙ Compilation target

ESNext

⚙ Library

ESNext

Missing / Incorrect Definition

Uint8Array.fromBase64()
Uint8Array.fromHex()
Uint8Array.prototype.setFromBase64()
Uint8Array.prototype.setFromHex()
Uint8Array.prototype.toBase64()
Uint8Array.prototype.toHex()

These functions are available as of Firefox 133 and Safari 18.2.

Sample Code

new TextEncoder().encode('Hello World').toBase64()
// "SGVsbG8gV29ybGQ="

Documentation Link

MDN: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array/toBase64

TC39 Proposal: https://github.com/tc39/proposal-arraybuffer-base64

Firefox release notes: https://developer.mozilla.org/en-US/docs/Mozilla/Firefox/Releases/133#javascript

Safari release notes: https://developer.apple.com/documentation/safari-release-notes/safari-18_2-release-notes#JavaScript

[MartinJohns]

Duplicate of #60612. Why open another issue? It's still not widely supported.