nasso.dev
my fork of the bluesky client
danabra.mov
1import 'fast-text-encoding'
2// @ts-ignore no decl -prf
3import findLast from 'array.prototype.findlast'
4export {}
5
6findLast.shim()
7
8/**
9https://github.com/MaxArt2501/base64-js
10The MIT License (MIT)
11Copyright (c) 2014 MaxArt2501
12 */
13
14const b64 = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='
15// Regular expression to check formal correctness of base64 encoded strings
16const b64re =
17 /^(?:[A-Za-z\d+\/]{4})*?(?:[A-Za-z\d+\/]{2}(?:==)?|[A-Za-z\d+\/]{3}=?)?$/
18
19globalThis.atob = (str: string): string => {
20 // atob can work with strings with whitespaces, even inside the encoded part,
21 // but only \t, \n, \f, \r and ' ', which can be stripped.
22 str = String(str).replace(/[\t\n\f\r ]+/g, '')
23 if (!b64re.test(str)) {
24 throw new TypeError(
25 "Failed to execute 'atob' on 'Window': The string to be decoded is not correctly encoded.",
26 )
27 }
28
29 // Adding the padding if missing, for simplicity
30 str += '=='.slice(2 - (str.length & 3))
31 var bitmap,
32 result = '',
33 r1,
34 r2,
35 i = 0
36 for (; i < str.length; ) {
37 bitmap =
38 (b64.indexOf(str.charAt(i++)) << 18) |
39 (b64.indexOf(str.charAt(i++)) << 12) |
40 ((r1 = b64.indexOf(str.charAt(i++))) << 6) |
41 (r2 = b64.indexOf(str.charAt(i++)))
42
43 result +=
44 r1 === 64
45 ? String.fromCharCode((bitmap >> 16) & 255)
46 : r2 === 64
47 ? String.fromCharCode((bitmap >> 16) & 255, (bitmap >> 8) & 255)
48 : String.fromCharCode(
49 (bitmap >> 16) & 255,
50 (bitmap >> 8) & 255,
51 bitmap & 255,
52 )
53 }
54 return result
55}