lookup.js

const tobase64 = ['A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
                'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z',
                '0','1','2','3','4','5','6','7','8','9','-','_' ]


const tobinary = {  'A':0,
                    'B':1,
                    'C':2,
                    'D':3,
                    'E':4,
                    'F':5,
                    'G':6,
                    'H':7,
                    'I':8,
                    'J':9,
                    'K':10,
                    'L':11,
                    'M':12,
                    'N':13,
                    'O':14,
                    'P':15,
                    'Q':16,
                    'R':17,
                    'S':18,
                    'T':19,
                    'U':20,
                    'V':21,
                    'W':22,
                    'X':23,
                    'Y':24,
                    'Z':25,
                    'a':26,
                    'b':27,
                    'c':28,
                    'd':29,
                    'e':30,
                    'f':31,
                    'g':32,
                    'h':33,
                    'i':34,
                    'j':35,
                    'k':36,
                    'l':37,
                    'm':38,
                    'n':39,
                    'o':40,
                    'p':41,
                    'q':42,
                    'r':43,
                    's':44,
                    't':45,
                    'u':46,
                    'v':47,
                    'w':48,
                    'x':49,
                    'y':50,
                    'z':51,
                    '0':52,
                    '1':53,
                    '2':54,
                    '3':55,
                    '4':56,
                    '5':57,
                    '6':58,
                    '7':59,
                    '8':60,
                    '9':61,
                    '-':62,
                    '_':63
                }
                
module.exports = {tobase64,tobinary};