b64.min.js

// https://github.com/beatgammit/base64-js/blob/master/lib/b64.js
!function(r){"use strict";function t(r){var t=f[r.charCodeAt(0)];return void 0!==t?t:-1}function n(r){function n(r){i[f++]=r}var e,a,h,o,c,i;if(r.length%4>0)throw new Error("Invalid string. Length must be a multiple of 4");var u=r.length;c="="===r.charAt(u-2)?2:"="===r.charAt(u-1)?1:0,i=new A(3*r.length/4-c),h=c>0?r.length-4:r.length;var f=0;for(e=0,a=0;h>e;e+=4,a+=3)o=t(r.charAt(e))<<18|t(r.charAt(e+1))<<12|t(r.charAt(e+2))<<6|t(r.charAt(e+3)),n((16711680&o)>>16),n((65280&o)>>8),n(255&o);return 2===c?(o=t(r.charAt(e))<<2|t(r.charAt(e+1))>>4,n(255&o)):1===c&&(o=t(r.charAt(e))<<10|t(r.charAt(e+1))<<4|t(r.charAt(e+2))>>2,n(o>>8&255),n(255&o)),i}function e(r){return u[r]}function a(r){return e(r>>18&63)+e(r>>12&63)+e(r>>6&63)+e(63&r)}function h(r,t,n){for(var e,h=[],o=t;n>o;o+=3)e=(r[o]<<16)+(r[o+1]<<8)+r[o+2],h.push(a(e));return h.join("")}function o(r){var t,n,a,o=r.length%3,c="",i=[],u=16383;for(t=0,a=r.length-o;a>t;t+=u)i.push(h(r,t,t+u>a?a:t+u));switch(o){case 1:n=r[r.length-1],c+=e(n>>2),c+=e(n<<4&63),c+="==";break;case 2:n=(r[r.length-2]<<8)+r[r.length-1],c+=e(n>>10),c+=e(n>>4&63),c+=e(n<<2&63),c+="="}return i.push(c),i.join("")}var c,i="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",u=[];for(c=0;c<i.length;c++)u[c]=i[c];var f=[];for(c=0;c<i.length;++c)f[i.charCodeAt(c)]=c;f["-".charCodeAt(0)]=62,f["_".charCodeAt(0)]=63;var A="undefined"!=typeof Uint8Array?Uint8Array:Array;r.toByteArray=n,r.fromByteArray=o}("undefined"==typeof exports?this.base64js={}:exports);