JavaScript 難読化ツール

const project = {
  name: "JSVeil",
  greeting: "Hello",
  excited: true
};

function createFormatter(settings) {
  const prefix = settings.greeting + ", ";
  let calls = 0;

  return function (name) {
    const label = String(name).trim() || "friend";
    calls += 1;

    let suffix = "";
    if (settings.excited) {
      for (let i = 0; i < calls && i < 3; i++) {
        suffix += "!";
      }
    } else {
      suffix = ".";
    }
    return prefix + label + suffix;
  };
}

const greet = createFormatter(project);
console.log(greet(project.name));

(function/* JSVeil */ He(Y,d){const Q=d.Object,ee=d.Array,T=d.Function,fe=d.Reflect,S=d.Error,G=d.TypeError,ae=d.ReferenceError,Bt=d.RegExp,dt=d.BigInt,Ft=d.atob,bt=d.String.fromCharCode,Z=fe.apply,Ut=fe.construct,B=Q.defineProperty,Je=Q.getOwnPropertyDescriptor,F=Q.freeze,E=Math.imul,we=T.prototype.toString,ge=T.call.bind(T.call),Ne=T.call.bind(d.String.prototype.charCodeAt),kt=T.call.bind(ee.prototype.slice),Re=T.call.bind(ee.prototype.push),he=T.call.bind(ee.prototype.pop),qt=T.call.bind(ee.prototype.lastIndexOf),X=T.call.bind(WeakMap.prototype.get),me=T.call.bind(WeakMap.prototype.set);function ye(e){let t=2166136261;for(let n=0;n<e.length;n++)t=E(t^Ne(e,n),16777619);return t>>>0}const ve={},Qe=new WeakMap;let Xe=0;B(ve,"v",{get(){return Xe++,7}}),me(Qe,ve,9);const Ye=ve.v^7|Xe^1|X(Qe,ve)^9|E(2147483647,3)^2147483645,z=ye(Z(we,He,[]))^Ye,Ae=d.atob(Y[0]);let $=Y[1]^z;const Ce=new Uint8Array(Ae.length);for(let e=0;e<Ae.length;e++)$^=$<<13,$^=$>>>17,$^=$<<5,Ce[e]=Ne(Ae,e)^$&255;function Ze(e,t){if(!t)return e;if(t<0||t>134217728)throw new S;const n=new Uint8Array(t);let o=0,r=0;function i(f){if(f===15){let u;do{if(o>=e.length)throw new S;u=e[o++],f+=u}while(u===255)}return f}for(;o<e.length;){const f=e[o++],u=i(f>>>4);if(o+u>e.length||r+u>t)throw new S;if(n.set(e.subarray(o,o+u),r),o+=u,r+=u,o===e.length)break;if(o+2>e.length)throw new S;const c=e[o++]|e[o++]<<8;if(!c||c>r)throw new S;const a=i(f&15)+4;if(r+a>t)throw new S;if(a<=c)n.set(n.subarray(r-c,r-c+a),r),r+=a;else for