pre-compute charset array

Author: edde746

src/z85.js

@@ -1,4 +1,4 @@
-const CHARSET = new Uint8Array(`0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ.-:+=^!/*?&<>()[]{}@%$#`.split('').map(c => c.charCodeAt(0)));
+const CHARSET = new Uint8Array([48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 46, 45, 58, 43, 61, 94, 33, 47, 42, 63, 38, 60, 62, 40, 41, 91, 93, 123, 125, 64, 37, 36, 35]);
 const POW_85 = [1, 85, 7225, 614125, 52200625];
 /** @type {Uint8Array} */
 let REVERSE_MAP;