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authorMadeline <46743919+MaddyUnderStars@users.noreply.github.com>2022-09-25 18:24:21 +1000
committerMadeline <46743919+MaddyUnderStars@users.noreply.github.com>2022-09-25 23:35:18 +1000
commitf44f5d7ac2d24ff836c2e1d4b2fa58da04b13052 (patch)
treea6655c41bb3db79c30fd876b06ee60fe9cf70c9b /api/src/util/utility/Base64.ts
parentAllow edited_timestamp to passthrough in handleMessage (diff)
downloadserver-f44f5d7ac2d24ff836c2e1d4b2fa58da04b13052.tar.xz
Refactor to mono-repo + upgrade packages
Diffstat (limited to 'api/src/util/utility/Base64.ts')
-rw-r--r--api/src/util/utility/Base64.ts47
1 files changed, 0 insertions, 47 deletions
diff --git a/api/src/util/utility/Base64.ts b/api/src/util/utility/Base64.ts
deleted file mode 100644

index 46cff77a..00000000 --- a/api/src/util/utility/Base64.ts +++ /dev/null
@@ -1,47 +0,0 @@ -const alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+"; - -// binary to string lookup table -const b2s = alphabet.split(""); - -// string to binary lookup table -// 123 == 'z'.charCodeAt(0) + 1 -const s2b = new Array(123); -for (let i = 0; i < alphabet.length; i++) { - s2b[alphabet.charCodeAt(i)] = i; -} - -// number to base64 -export const ntob = (n: number): string => { - if (n < 0) return `-${ntob(-n)}`; - - let lo = n >>> 0; - let hi = (n / 4294967296) >>> 0; - - let right = ""; - while (hi > 0) { - right = b2s[0x3f & lo] + right; - lo >>>= 6; - lo |= (0x3f & hi) << 26; - hi >>>= 6; - } - - let left = ""; - do { - left = b2s[0x3f & lo] + left; - lo >>>= 6; - } while (lo > 0); - - return left + right; -}; - -// base64 to number -export const bton = (base64: string) => { - let number = 0; - const sign = base64.charAt(0) === "-" ? 1 : 0; - - for (let i = sign; i < base64.length; i++) { - number = number * 64 + s2b[base64.charCodeAt(i)]; - } - - return sign ? -number : number; -};