freelance javascripter
Public
Edited
Sep 19, 2024
btoa(input) // it's longer
input.toString(16) // basically the same size
input.toString(36) // a little bit shorter
input.toString(64) // lame!
{
let bytes = new TextEncoder().encode(String(input))
const binString = Array.from(bytes, (byte) =>
String.fromCodePoint(byte),
).join("");
return btoa(binString) // oh, there it is
}
customBase64(input) // snippet from the internet
customBase64 = function(num) {
const BASE_BITS = 6
const alphabet = "-0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz"
let log = Math.log2(num)
if (Math.pow(2, Math.round(log)) === num) {
log++
}
let length = Math.max(1, Math.ceil(log / BASE_BITS))
let chars = new Array(length)
let x = chars.length - 1
while (num > 0) {
chars[x--] = alphabet[num % BASE]
num = Math.floor(num / BASE)
}
while (x >= 0) {
chars[x--] = alphabet[0]
}
return chars.join('')
}
BASE = 64
BASE_BITS = 6
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