Generate sha256 during build via Prepack.io

output.js

lol = "07123e1f482356c415f684407a3b8723e10b2cbbc0b8fcd6282c49d37c9c1abc";
kek = "b794385f2d1ef7ab4d9273d1906381b44f2f6f2588a3efb96a49188331984753";

sha256.prepack.js

(function() {
  
  var window = {};
  /**
 * [js-sha256]{@link https://github.com/emn178/js-sha256}
 *
 * @version 0.5.0
 * @author Chen, Yi-Cyuan [emn178@gmail.com]
 * @copyright Chen, Yi-Cyuan 2014-2017
 * @license MIT
 */
!function(){"use strict";function t(t,h){h?(c[0]=c[16]=c[1]=c[2]=c[3]=c[4]=c[5]=c[6]=c[7]=c[8]=c[9]=c[10]=c[11]=c[12]=c[13]=c[14]=c[15]=0,this.blocks=c):this.blocks=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],t?(this.h0=3238371032,this.h1=914150663,this.h2=812702999,this.h3=4144912697,this.h4=4290775857,this.h5=1750603025,this.h6=1694076839,this.h7=3204075428):(this.h0=1779033703,this.h1=3144134277,this.h2=1013904242,this.h3=2773480762,this.h4=1359893119,this.h5=2600822924,this.h6=528734635,this.h7=1541459225),this.block=this.start=this.bytes=0,this.finalized=this.hashed=!1,this.first=!0,this.is224=t}var h="object"==typeof window?window:{},i=!h.JS_SHA256_NO_NODE_JS&&"object"==typeof process&&process.versions&&process.versions.node;i&&(h=global);var s=!h.JS_SHA256_NO_COMMON_JS&&"object"==typeof module&&module.exports,e="function"==typeof define&&define.amd,r="undefined"!=typeof ArrayBuffer,n="0123456789abcdef".split(""),o=[-2147483648,8388608,32768,128],a=[24,16,8,0],f=[1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,1426881987,1925078388,2162078206,2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,2227730452,2361852424,2428436474,2756734187,3204031479,3329325298],u=["hex","array","digest","arrayBuffer"],c=[],p=function(h,i){return function(s){return new t(i,!0).update(s)[h]()}},d=function(h){var s=p("hex",h);i&&(s=y(s,h)),s.create=function(){return new t(h)},s.update=function(t){return s.create().update(t)};for(var e=0;e<u.length;++e){var r=u[e];s[r]=p(r,h)}return s},y=function(t,h){var i=require("crypto"),s=require("buffer").Buffer,e=h?"sha224":"sha256",n=function(h){if("string"==typeof h)return i.createHash(e).update(h,"utf8").digest("hex");if(r&&h instanceof ArrayBuffer)h=new Uint8Array(h);else if(void 0===h.length)return t(h);return i.createHash(e).update(new s(h)).digest("hex")};return n};t.prototype.update=function(t){if(!this.finalized){var i="string"!=typeof t;i&&r&&t instanceof h.ArrayBuffer&&(t=new Uint8Array(t));for(var s,e,n=0,o=t.length||0,f=this.blocks;o>n;){if(this.hashed&&(this.hashed=!1,f[0]=this.block,f[16]=f[1]=f[2]=f[3]=f[4]=f[5]=f[6]=f[7]=f[8]=f[9]=f[10]=f[11]=f[12]=f[13]=f[14]=f[15]=0),i)for(e=this.start;o>n&&64>e;++n)f[e>>2]|=t[n]<<a[3&e++];else for(e=this.start;o>n&&64>e;++n)s=t.charCodeAt(n),128>s?f[e>>2]|=s<<a[3&e++]:2048>s?(f[e>>2]|=(192|s>>6)<<a[3&e++],f[e>>2]|=(128|63&s)<<a[3&e++]):55296>s||s>=57344?(f[e>>2]|=(224|s>>12)<<a[3&e++],f[e>>2]|=(128|s>>6&63)<<a[3&e++],f[e>>2]|=(128|63&s)<<a[3&e++]):(s=65536+((1023&s)<<10|1023&t.charCodeAt(++n)),f[e>>2]|=(240|s>>18)<<a[3&e++],f[e>>2]|=(128|s>>12&63)<<a[3&e++],f[e>>2]|=(128|s>>6&63)<<a[3&e++],f[e>>2]|=(128|63&s)<<a[3&e++]);this.lastByteIndex=e,this.bytes+=e-this.start,e>=64?(this.block=f[16],this.start=e-64,this.hash(),this.hashed=!0):this.start=e}return this}},t.prototype.finalize=function(){if(!this.finalized){this.finalized=!0;var t=this.blocks,h=this.lastByteIndex;t[16]=this.block,t[h>>2]|=o[3&h],this.block=t[16],h>=56&&(this.hashed||this.hash(),t[0]=this.block,t[16]=t[1]=t[2]=t[3]=t[4]=t[5]=t[6]=t[7]=t[8]=t[9]=t[10]=t[11]=t[12]=t[13]=t[14]=t[15]=0),t[15]=this.bytes<<3,this.hash()}},t.prototype.hash=function(){var t,h,i,s,e,r,n,o,a,u,c,p=this.h0,d=this.h1,y=this.h2,l=this.h3,b=this.h4,v=this.h5,g=this.h6,w=this.h7,k=this.blocks;for(t=16;64>t;++t)e=k[t-15],h=(e>>>7|e<<25)^(e>>>18|e<<14)^e>>>3,e=k[t-2],i=(e>>>17|e<<15)^(e>>>19|e<<13)^e>>>10,k[t]=k[t-16]+h+k[t-7]+i<<0;for(c=d&y,t=0;64>t;t+=4)this.first?(this.is224?(o=300032,e=k[0]-1413257819,w=e-150054599<<0,l=e+24177077<<0):(o=704751109,e=k[0]-210244248,w=e-1521486534<<0,l=e+143694565<<0),this.first=!1):(h=(p>>>2|p<<30)^(p>>>13|p<<19)^(p>>>22|p<<10),i=(b>>>6|b<<26)^(b>>>11|b<<21)^(b>>>25|b<<7),o=p&d,s=o^p&y^c,n=b&v^~b&g,e=w+i+n+f[t]+k[t],r=h+s,w=l+e<<0,l=e+r<<0),h=(l>>>2|l<<30)^(l>>>13|l<<19)^(l>>>22|l<<10),i=(w>>>6|w<<26)^(w>>>11|w<<21)^(w>>>25|w<<7),a=l&p,s=a^l&d^o,n=w&b^~w&v,e=g+i+n+f[t+1]+k[t+1],r=h+s,g=y+e<<0,y=e+r<<0,h=(y>>>2|y<<30)^(y>>>13|y<<19)^(y>>>22|y<<10),i=(g>>>6|g<<26)^(g>>>11|g<<21)^(g>>>25|g<<7),u=y&l,s=u^y&p^a,n=g&w^~g&b,e=v+i+n+f[t+2]+k[t+2],r=h+s,v=d+e<<0,d=e+r<<0,h=(d>>>2|d<<30)^(d>>>13|d<<19)^(d>>>22|d<<10),i=(v>>>6|v<<26)^(v>>>11|v<<21)^(v>>>25|v<<7),c=d&y,s=c^d&l^u,n=v&g^~v&w,e=b+i+n+f[t+3]+k[t+3],r=h+s,b=p+e<<0,p=e+r<<0;this.h0=this.h0+p<<0,this.h1=this.h1+d<<0,this.h2=this.h2+y<<0,this.h3=this.h3+l<<0,this.h4=this.h4+b<<0,this.h5=this.h5+v<<0,this.h6=this.h6+g<<0,this.h7=this.h7+w<<0},t.prototype.hex=function(){this.finalize();var t=this.h0,h=this.h1,i=this.h2,s=this.h3,e=this.h4,r=this.h5,o=this.h6,a=this.h7,f=n[t>>28&15]+n[t>>24&15]+n[t>>20&15]+n[t>>16&15]+n[t>>12&15]+n[t>>8&15]+n[t>>4&15]+n[15&t]+n[h>>28&15]+n[h>>24&15]+n[h>>20&15]+n[h>>16&15]+n[h>>12&15]+n[h>>8&15]+n[h>>4&15]+n[15&h]+n[i>>28&15]+n[i>>24&15]+n[i>>20&15]+n[i>>16&15]+n[i>>12&15]+n[i>>8&15]+n[i>>4&15]+n[15&i]+n[s>>28&15]+n[s>>24&15]+n[s>>20&15]+n[s>>16&15]+n[s>>12&15]+n[s>>8&15]+n[s>>4&15]+n[15&s]+n[e>>28&15]+n[e>>24&15]+n[e>>20&15]+n[e>>16&15]+n[e>>12&15]+n[e>>8&15]+n[e>>4&15]+n[15&e]+n[r>>28&15]+n[r>>24&15]+n[r>>20&15]+n[r>>16&15]+n[r>>12&15]+n[r>>8&15]+n[r>>4&15]+n[15&r]+n[o>>28&15]+n[o>>24&15]+n[o>>20&15]+n[o>>16&15]+n[o>>12&15]+n[o>>8&15]+n[o>>4&15]+n[15&o];return this.is224||(f+=n[a>>28&15]+n[a>>24&15]+n[a>>20&15]+n[a>>16&15]+n[a>>12&15]+n[a>>8&15]+n[a>>4&15]+n[15&a]),f},t.prototype.toString=t.prototype.hex,t.prototype.digest=function(){this.finalize();var t=this.h0,h=this.h1,i=this.h2,s=this.h3,e=this.h4,r=this.h5,n=this.h6,o=this.h7,a=[t>>24&255,t>>16&255,t>>8&255,255&t,h>>24&255,h>>16&255,h>>8&255,255&h,i>>24&255,i>>16&255,i>>8&255,255&i,s>>24&255,s>>16&255,s>>8&255,255&s,e>>24&255,e>>16&255,e>>8&255,255&e,r>>24&255,r>>16&255,r>>8&255,255&r,n>>24&255,n>>16&255,n>>8&255,255&n];return this.is224||a.push(o>>24&255,o>>16&255,o>>8&255,255&o),a},t.prototype.array=t.prototype.digest,t.prototype.arrayBuffer=function(){this.finalize();var t=new ArrayBuffer(this.is224?28:32),h=new DataView(t);return h.setUint32(0,this.h0),h.setUint32(4,this.h1),h.setUint32(8,this.h2),h.setUint32(12,this.h3),h.setUint32(16,this.h4),h.setUint32(20,this.h5),h.setUint32(24,this.h6),this.is224||h.setUint32(28,this.h7),t};var l=d();l.sha256=l,l.sha224=d(!0),s?module.exports=l:(h.sha256=l.sha256,h.sha224=l.sha224,e&&define(function(){return l}))}();


  global.lol = window.sha256('lol');
  global.kek = window.sha256('kek');
})();