diff --git a/eslint.config.mjs b/eslint.config.mjs
index 569186c30..7b3535813 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -158,7 +158,6 @@ export default [
             '**/dist/**',
             'src/realtime/share.uncompressed.js', // added when serving
             'src/wasm/**/*.js',
-            'modules/pcui-diff.ts',
             'modules/editor-api/test',
             'modules/editor-api/types'
         ]
diff --git a/modules/pcui-diff.ts b/modules/pcui-diff.ts
deleted file mode 100644
index ca20e22f6..000000000
--- a/modules/pcui-diff.ts
+++ /dev/null
@@ -1,8 +0,0 @@
-!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.diff=e():t.diff=e()}(window,(function(){return function(t){var e={};function n(r){if(e[r])return e[r].exports;var o=e[r]={i:r,l:!1,exports:{}};return t[r].call(o.exports,o,o.exports,n),o.l=!0,o.exports}return n.m=t,n.c=e,n.d=function(t,e,r){n.o(t,e)||Object.defineProperty(t,e,{enumerable:!0,get:r})},n.r=function(t){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})},n.t=function(t,e){if(1&e&&(t=n(t)),8&e)return t;if(4&e&&"object"==typeof t&&t&&t.__esModule)return t;var r=Object.create(null);if(n.r(r),Object.defineProperty(r,"default",{enumerable:!0,value:t}),2&e&&"string"!=typeof t)for(var o in t)n.d(r,o,function(e){return t[e]}.bind(null,o));return r},n.n=function(t){var e=t&&t.__esModule?function(){return t.default}:function(){return t};return n.d(e,"a",e),e},n.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},n.p="",n(n.s=3)}([function(t,e){function n(t){return(n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}(function(){var e;e=function(t){var e;return e=n(t),null==t?"null":"object"===e&&t.constructor===Array?"array":e},t.exports={extendedTypeOf:e}}).call(this)},function(t,e,n){"use strict";function r(t){return(r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}var o=Array.prototype.forEach.bind([]);t.exports=function(t){var e;if(!t)return!1;if("function"===(e=r(t)))return!0;if("object"!==e)return!1;try{return o(t),!0}catch(t){if(t instanceof TypeError)return!1;throw t}}},function(t,e,n){function r(t){return(r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}(function(){var e,o,i,u,c,l,f,s,a,p,h,y,g,d,b={}.hasOwnProperty;e=n(4).SequenceMatcher,a=n(0).extendedTypeOf,i=n(14).colorize,h=function(t){return"object"!==r(t)||null===t},g=function(t,e,n){var r,o,i,u,c,l,f,a,p;for(o in null==n&&(n={}),c={},l=0,t)b.call(t,o)&&(a=t[o],o in e||(c[o+"__deleted"]=a,l-=30));for(o in e)b.call(e,o)&&(p=e[o],o in t||(c[o+"__added"]=p,l-=30));for(o in t)b.call(t,o)&&(a=t[o],o in e&&(l+=20,p=e[o],f=(i=s(a,p,n))[0],(r=i[1])&&(c[o]=r),l+=Math.min(20,Math.max(-10,f/5))));return 0===Object.keys(c).length?(l=(u=[100*Math.max(Object.keys(t).length,.5),void 0])[0],c=u[1]):l=Math.max(0,l),[l,c]},p=function(t,e,n){var r,o,i,u,c,f;for(u in r=null,c=0,n)b.call(n,u)&&(o=n[u],"__next"!==u&&(i=Math.abs(c-e),a(t)===a(o)&&(f=l(t,o),(!r||f>r.score||f===r.score&&i<r.indexDistance)&&(r={score:f,key:u,indexDistance:i})),c++));return r},d=function(t,e,n){var r,o,i,u,c,l,f;for(f=[],o=u=0,c=t.length;u<c;o=++u)i=t[o],h(i)?f.push(i):n&&(r=p(i,o,n))&&r.score>40&&null==e[r.key]?(e[r.key]=i,f.push(r.key)):(l="__$!SCALAR"+e.__next++,e[l]=i,f.push(l));return f},y=function(t,e){return"string"==typeof t&&t in e},u=function(t,e){return y(t,e)?e[t]:t},o=function(t,n,r){var o,i,l,f,s,a,p,h,g,b,m,v,w,S,O,j,x,_,k,E,q,T,A,M,P,D,z,B,R,F,N,C,U,I,J,$,L,H,G,Q;for(null==r&&(r={}),G=d(t,E={__next:1}),Q=d(n,q={__next:E.__next},E),L=[],H=0,o=!0,v=0,S=(k=new e(null,G,Q).getOpcodes()).length;v<S;v++)switch(_=(M=k[v])[0],f=M[1],s=M[2],b=M[3],m=M[4],"equal"===_||r.keysOnly&&"replace"===_||(o=!1),_){case"equal":for(l=w=P=f,R=s;P<=R?w<R:w>R;l=P<=R?++w:--w){if(a=G[l],y(a,E)){if(!y(a,q))throw new AssertionError("internal bug: isScalarized(item, originals1) != isScalarized(item, originals2) for item "+JSON.stringify(a));p=u(a,E),h=u(a,q),(i=c(p,h,r))?(L.push(["~",i]),o=!1):L.push([" "])}else L.push([" ",a]);H+=10}break;case"delete":for(l=O=F=f,N=s;F<=N?O<N:O>N;l=F<=N?++O:--O)L.push(["-",u(G[l],E)]),H-=5;break;case"insert":for(g=j=C=b,U=m;C<=U?j<U:j>U;g=C<=U?++j:--j)L.push(["+",u(Q[g],q)]),H-=5;break;case"replace":if(r.keysOnly)for(l=A=z=f,B=s;z<=B?A<B:A>B;l=z<=B?++A:--A)(i=c(u(G[l],E),u(Q[l-f+b],q),r))?(L.push(["~",i]),o=!1):L.push([" "]);else{for(l=x=I=f,J=s;I<=J?x<J:x>J;l=I<=J?++x:--x)L.push(["-",u(G[l],E)]),H-=5;for(g=T=$=b,D=m;$<=D?T<D:T>D;g=$<=D?++T:--T)L.push(["+",u(Q[g],q)]),H-=5}}return o||0===k.length?(L=void 0,H=100):H=Math.max(0,H),[H,L]},s=function(t,e,n){var r;if(null==n&&(n={}),(r=a(t))===a(e))switch(r){case"object":return g(t,e,n);case"array":return o(t,e,n)}return n.keysOnly?[100,void 0]:t!==e?[0,{__old:t,__new:e}]:[100,void 0]},c=function(t,e,n){var r;return null==n&&(n={}),(r=s(t,e,n))[0],r[1]},l=function(t,e,n){var r,o;return null==n&&(n={}),o=(r=s(t,e,n))[0],r[1],o},f=function(t,e,n,r){return null==r&&(r={}),i(c(t,e,r),n)},t.exports={diff:c,diffString:f}}).call(this)},function(t,e,n){"use strict";n.r(e);var r=n(2);e.default=r.diff},function(t,e,n){t.exports=n(5)},function(t,e,n){(function(){var t,r,o,i,u,c,l,f,s,a,p,h,y,g,d,b,m,v,w,S,O,j=[].indexOf||function(t){for(var e=0,n=this.length;e<n;e++)if(e in this&&this[e]===t)return e;return-1};f=Math.floor,a=Math.max,p=Math.min,r=n(6),c=n(8),m=function(t,e){return e?2*t/e:1},b=function(t,e){var n,r,o,i,u,c;for(u=[t.length,e.length],n=i=0,c=p(r=u[0],o=u[1]);0<=c?i<c:i>c;n=0<=c?++i:--i){if(t[n]<e[n])return-1;if(t[n]>e[n])return 1}return r-o},O=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},d=function(t){var e,n;for(e=0,n=t.length;e<n;e++)if(t[e])return!0;return!1},u=function(){function t(t,e,n,r){this.isjunk=t,null==e&&(e=""),null==n&&(n=""),this.autojunk=null==r||r,this.a=this.b=null,this.setSeqs(e,n)}return t.name="SequenceMatcher",t.prototype.setSeqs=function(t,e){return this.setSeq1(t),this.setSeq2(e)},t.prototype.setSeq1=function(t){if(t!==this.a)return this.a=t,this.matchingBlocks=this.opcodes=null},t.prototype.setSeq2=function(t){if(t!==this.b)return this.b=t,this.matchingBlocks=this.opcodes=null,this.fullbcount=null,this._chainB()},t.prototype._chainB=function(){var t,e,n,r,o,i,u,c,l,s,a,p,h,y;for(t=this.b,this.b2j=e={},r=s=0,p=t.length;s<p;r=++s)n=t[r],(O(e,n)?e[n]:e[n]=[]).push(r);if(i={},o=this.isjunk)for(a=0,h=(y=Object.keys(e)).length;a<h;a++)o(n=y[a])&&(i[n]=!0,delete e[n]);if(l={},u=t.length,this.autojunk&&u>=200)for(n in c=f(u/100)+1,e)e[n].length>c&&(l[n]=!0,delete e[n]);return this.isbjunk=function(t){return O(i,t)},this.isbpopular=function(t){return O(l,t)}},t.prototype.findLongestMatch=function(t,e,n,r){var o,i,u,c,l,f,s,a,p,h,y,g,d,b,m,v,w,S,j,x,_;for(o=(v=[this.a,this.b,this.b2j,this.isbjunk])[0],i=v[1],u=v[2],a=v[3],c=(w=[t,n,0])[0],l=w[1],f=w[2],h={},s=d=t;t<=e?d<e:d>e;s=t<=e?++d:--d){for(g={},b=0,m=(S=O(u,o[s])?u[o[s]]:[]).length;b<m;b++)if(!((p=S[b])<n)){if(p>=r)break;(y=g[p]=(h[p-1]||0)+1)>f&&(c=(j=[s-y+1,p-y+1,y])[0],l=j[1],f=j[2])}h=g}for(;c>t&&l>n&&!a(i[l-1])&&o[c-1]===i[l-1];)c=(x=[c-1,l-1,f+1])[0],l=x[1],f=x[2];for(;c+f<e&&l+f<r&&!a(i[l+f])&&o[c+f]===i[l+f];)f++;for(;c>t&&l>n&&a(i[l-1])&&o[c-1]===i[l-1];)c=(_=[c-1,l-1,f+1])[0],l=_[1],f=_[2];for(;c+f<e&&l+f<r&&a(i[l+f])&&o[c+f]===i[l+f];)f++;return[c,l,f]},t.prototype.getMatchingBlocks=function(){var t,e,n,r,o,i,u,c,l,f,s,a,p,h,y,g,d,m,v,w,S,O,j,x,_,k;if(this.matchingBlocks)return this.matchingBlocks;for(m=[[0,h=(O=[this.a.length,this.b.length])[0],0,y=O[1]]],g=[];m.length;)e=(j=m.pop())[0],t=j[1],r=j[2],n=j[3],o=(x=v=this.findLongestMatch(e,t,r,n))[0],c=x[1],(s=x[2])&&(g.push(v),e<o&&r<c&&m.push([e,o,r,c]),o+s<t&&c+s<n&&m.push([o+s,t,c+s,n]));for(g.sort(b),i=l=a=0,d=[],w=0,S=g.length;w<S;w++)u=(_=g[w])[0],f=_[1],p=_[2],i+a===u&&l+a===f?a+=p:(a&&d.push([i,l,a]),i=(k=[u,f,p])[0],l=k[1],a=k[2]);return a&&d.push([i,l,a]),d.push([h,y,0]),this.matchingBlocks=d},t.prototype.getOpcodes=function(){var t,e,n,r,o,i,u,c,l,f,s,a;if(this.opcodes)return this.opcodes;for(r=o=0,this.opcodes=e=[],c=0,l=(f=this.getMatchingBlocks()).length;c<l;c++)t=(s=f[c])[0],n=s[1],i=s[2],u="",r<t&&o<n?u="replace":r<t?u="delete":o<n&&(u="insert"),u&&e.push([u,r,t,o,n]),r=(a=[t+i,n+i])[0],o=a[1],i&&e.push(["equal",t,r,n,o]);return e},t.prototype.getGroupedOpcodes=function(t){var e,n,r,o,i,u,c,l,f,s,h,y,g,d,b;for(null==t&&(t=3),(e=this.getOpcodes()).length||(e=[["equal",0,1,0,1]]),"equal"===e[0][0]&&(f=(y=e[0])[0],o=y[1],i=y[2],u=y[3],c=y[4],e[0]=[f,a(o,i-t),i,a(u,c-t),c]),"equal"===e[e.length-1][0]&&(f=(g=e[e.length-1])[0],o=g[1],i=g[2],u=g[3],c=g[4],e[e.length-1]=[f,o,p(i,o+t),u,p(c,u+t)]),l=t+t,r=[],n=[],s=0,h=e.length;s<h;s++)f=(d=e[s])[0],o=d[1],i=d[2],u=d[3],c=d[4],"equal"===f&&i-o>l&&(n.push([f,o,p(i,o+t),u,p(c,u+t)]),r.push(n),n=[],o=(b=[a(o,i-t),a(u,c-t)])[0],u=b[1]),n.push([f,o,i,u,c]);return!n.length||1===n.length&&"equal"===n[0][0]||r.push(n),r},t.prototype.ratio=function(){var t,e,n,r;for(t=0,e=0,n=(r=this.getMatchingBlocks()).length;e<n;e++)t+=r[e][2];return m(t,this.a.length+this.b.length)},t.prototype.quickRatio=function(){var t,e,n,r,o,i,u,c,l,f,s;if(!this.fullbcount)for(this.fullbcount=n={},i=0,c=(f=this.b).length;i<c;i++)n[e=f[i]]=(n[e]||0)+1;for(n=this.fullbcount,t={},r=0,u=0,l=(s=this.a).length;u<l;u++)e=s[u],o=O(t,e)?t[e]:n[e]||0,t[e]=o-1,o>0&&r++;return m(r,this.a.length+this.b.length)},t.prototype.realQuickRatio=function(){var t,e,n;return n=[this.a.length,this.b.length],m(p(t=n[0],e=n[1]),t+e)},t}(),s=function(t,e,n,o){var i,c,l,f,s,a,p,h,y;if(null==n&&(n=3),null==o&&(o=.6),!(n>0))throw new Error("n must be > 0: ("+n+")");if(!(0<=o&&o<=1))throw new Error("cutoff must be in [0.0, 1.0]: ("+o+")");for(i=[],(c=new u).setSeq2(t),f=0,a=e.length;f<a;f++)l=e[f],c.setSeq1(l),c.realQuickRatio()>=o&&c.quickRatio()>=o&&c.ratio()>=o&&i.push([c.ratio(),l]);for(y=[],s=0,p=(i=r.nlargest(i,n,b)).length;s<p;s++)(h=i[s])[0],l=h[1],y.push(l);return y},v=function(t,e){var n,r,o;for(n=(o=[0,t.length])[0],r=o[1];n<r&&t[n]===e;)n++;return n},t=function(){function t(t,e){this.linejunk=t,this.charjunk=e}return t.name="Differ",t.prototype.compare=function(t,e){var n,r,o,i,c,l,f,s,a,p,h,y,g,d;for(f=[],a=0,h=(g=new u(this.linejunk,t,e).getOpcodes()).length;a<h;a++){switch(s=(d=g[a])[0],r=d[1],n=d[2],i=d[3],o=d[4],s){case"replace":c=this._fancyReplace(t,r,n,e,i,o);break;case"delete":c=this._dump("-",t,r,n);break;case"insert":c=this._dump("+",e,i,o);break;case"equal":c=this._dump(" ",t,r,n);break;default:throw new Error("unknow tag ("+s+")")}for(p=0,y=c.length;p<y;p++)l=c[p],f.push(l)}return f},t.prototype._dump=function(t,e,n,r){var o,i,u;for(u=[],o=i=n;n<=r?i<r:i>r;o=n<=r?++i:--i)u.push(t+" "+e[o]);return u},t.prototype._plainReplace=function(t,e,n,r,o,i){var u,l,f,s,a,p,h,y,g,d;for(c(e<n&&o<i),i-o<n-e?(u=this._dump("+",r,o,i),a=this._dump("-",t,e,n)):(u=this._dump("-",t,e,n),a=this._dump("+",r,o,i)),s=[],p=0,y=(d=[u,a]).length;p<y;p++)for(h=0,g=(l=d[p]).length;h<g;h++)f=l[h],s.push(f);return s},t.prototype._fancyReplace=function(t,e,n,r,o,i){var c,l,f,s,a,p,h,y,g,d,b,m,v,w,S,O,j,x,_,k,E,q,T,A,M,P,D,z,B,R,F,N,C,U,I,J,$,L,H,G,Q,V,K,Z,W,X,Y,tt;for(h=(J=[.74,.75])[0],w=J[1],v=new u(this.charjunk),S=($=[null,null])[0],O=$[1],q=[],x=A=o;o<=i?A<i:A>i;x=o<=i?++A:--A)for(d=r[x],v.setSeq2(d),j=M=e;e<=n?M<n:M>n;j=e<=n?++M:--M)(l=t[j])!==d?(v.setSeq1(l),v.realQuickRatio()>h&&v.quickRatio()>h&&v.ratio()>h&&(h=(V=[v.ratio(),j,x])[0],y=V[1],g=V[2])):null===S&&(S=(Q=[j,x])[0],O=Q[1]);if(h<w){if(null===S){for(P=0,z=(K=this._plainReplace(t,e,n,r,o,i)).length;P<z;P++)E=K[P],q.push(E);return q}y=(Z=[S,O,1])[0],g=Z[1],h=Z[2]}else S=null;for(D=0,B=(W=this._fancyHelper(t,e,y,r,o,g)).length;D<B;D++)E=W[D],q.push(E);if(c=(X=[t[y],r[g]])[0],p=X[1],null===S){for(a=m="",v.setSeqs(c,p),C=0,R=(Y=v.getOpcodes()).length;C<R;C++)switch(T=(tt=Y[C])[0],f=tt[1],s=tt[2],b=tt[3],_=(L=[s-f,tt[4]-b])[0],k=L[1],T){case"replace":a+=Array(_+1).join("^"),m+=Array(k+1).join("^");break;case"delete":a+=Array(_+1).join("-");break;case"insert":m+=Array(k+1).join("+");break;case"equal":a+=Array(_+1).join(" "),m+=Array(k+1).join(" ");break;default:throw new Error("unknow tag ("+T+")")}for(U=0,F=(H=this._qformat(c,p,a,m)).length;U<F;U++)E=H[U],q.push(E)}else q.push("  "+c);for(I=0,N=(G=this._fancyHelper(t,y+1,n,r,g+1,i)).length;I<N;I++)E=G[I],q.push(E);return q},t.prototype._fancyHelper=function(t,e,n,r,o,i){var u;return u=[],e<n?u=o<i?this._fancyReplace(t,e,n,r,o,i):this._dump("-",t,e,n):o<i&&(u=this._dump("+",r,o,i)),u},t.prototype._qformat=function(t,e,n,r){var o,i;return i=[],o=p(v(t,"\t"),v(e,"\t")),o=p(o,v(n.slice(0,o)," ")),o=p(o,v(r.slice(0,o)," ")),n=n.slice(o).replace(/\s+$/,""),r=r.slice(o).replace(/\s+$/,""),i.push("- "+t),n.length&&i.push("? "+Array(o+1).join("\t")+n+"\n"),i.push("+ "+e),r.length&&i.push("? "+Array(o+1).join("\t")+r+"\n"),i},t}(),i=function(t,e){return null==e&&(e=/^\s*#?\s*$/),e.test(t)},o=function(t,e){return null==e&&(e=" \t"),j.call(e,t)>=0},S=function(t,e){var n,r;return n=t+1,1===(r=e-t)?""+n:(r||n--,n+","+r)},g=function(t,e,n){var r,o,i,c,l,f,s,a,p,h,y,g,d,b,m,v,w,O,j,x,_,k,E,q,T,A,M,P,D,z,B,R,F,N,C,U,I;for(null==(l=(B=null!=n?n:{}).fromfile)&&(l=""),null==(j=B.tofile)&&(j=""),null==(f=B.fromfiledate)&&(f=""),null==(x=B.tofiledate)&&(x=""),null==B.n&&3,null==(m=B.lineterm)&&(m="\n"),b=[],v=!1,_=0,T=(R=new u(null,t,e).getGroupedOpcodes()).length;_<T;_++)for(s=R[_],v||(v=!0,c=f?"\t"+f:"",O=x?"\t"+x:"",b.push("--- "+l+c+m),b.push("+++ "+j+O+m)),g=(F=[s[0],s[s.length-1]])[1],r=S((i=F[0])[1],g[2]),o=S(i[3],g[4]),b.push("@@ -"+r+" +"+o+" @@"+m),k=0,A=s.length;k<A;k++)if(w=(N=s[k])[0],a=N[1],p=N[2],h=N[3],y=N[4],"equal"!==w){if("replace"===w||"delete"===w)for(q=0,P=(U=t.slice(a,p)).length;q<P;q++)d=U[q],b.push("-"+d);if("replace"===w||"insert"===w)for(z=0,D=(I=e.slice(h,y)).length;z<D;z++)d=I[z],b.push("+"+d)}else for(E=0,M=(C=t.slice(a,p)).length;E<M;E++)d=C[E],b.push(" "+d);return b},w=function(t,e){var n,r;return n=t+1,(r=e-t)||n--,r<=1?""+n:n+","+(n+r-1)},l=function(t,e,n){var r,o,i,c,l,f,s,a,p,h,y,g,b,m,v,S,O,j,x,_,k,E,q,T,A,M,P,D,z,B,R,F,N,C,U,I,J,$;for(null==(l=(F=null!=n?n:{}).fromfile)&&(l=""),null==(_=F.tofile)&&(_=""),null==(f=F.fromfiledate)&&(f=""),null==(k=F.tofiledate)&&(k=""),null==F.n&&3,null==(v=F.lineterm)&&(v="\n"),S={insert:"+ ",delete:"- ",replace:"! ",equal:"  "},O=!1,m=[],E=0,M=(N=new u(null,t,e).getGroupedOpcodes()).length;E<M;E++)if(s=N[E],!O){if(O=!0,c=f?"\t"+f:"",x=k?"\t"+k:"",m.push("*** "+l+c+v),m.push("--- "+_+x+v),i=(C=[s[0],s[s.length-1]])[0],g=C[1],m.push("***************"+v),r=w(i[1],g[2]),m.push("*** "+r+" ****"+v),d(function(){var t,e,n,r;for(r=[],t=0,e=s.length;t<e;t++)n=s[t],j=n[0],n[1],n[2],n[3],n[4],r.push("replace"===j||"delete"===j);return r}()))for(q=0,P=s.length;q<P;q++)if(U=s[q],j=U[0],a=U[1],p=U[2],U[3],U[4],"insert"!==j)for(T=0,D=(I=t.slice(a,p)).length;T<D;T++)b=I[T],m.push(S[j]+b);if(o=w(i[3],g[4]),m.push("--- "+o+" ----"+v),d(function(){var t,e,n,r;for(r=[],t=0,e=s.length;t<e;t++)n=s[t],j=n[0],n[1],n[2],n[3],n[4],r.push("replace"===j||"insert"===j);return r}()))for(A=0,z=s.length;A<z;A++)if(J=s[A],j=J[0],J[1],J[2],h=J[3],y=J[4],"delete"!==j)for(R=0,B=($=e.slice(h,y)).length;R<B;R++)b=$[R],m.push(S[j]+b)}return m},h=function(e,n,r,i){return null==i&&(i=o),new t(r,i).compare(e,n)},y=function(t,e){var n,r,o,i,u,c,l;if(!(i={1:"- ",2:"+ "}[e]))throw new Error("unknow delta choice (must be 1 or 2): "+e);for(o=["  ",i],r=[],u=0,c=t.length;u<c;u++)l=(n=t[u]).slice(0,2),j.call(o,l)>=0&&r.push(n.slice(2));return r},e._arrayCmp=b,e.SequenceMatcher=u,e.getCloseMatches=s,e._countLeading=v,e.Differ=t,e.IS_LINE_JUNK=i,e.IS_CHARACTER_JUNK=o,e._formatRangeUnified=S,e.unifiedDiff=g,e._formatRangeContext=w,e.contextDiff=l,e.ndiff=h,e.restore=y}).call(this)},function(t,e,n){t.exports=n(7)},function(t,e,n){var r,o,i;(function(){var n,u,c,l,f,s,a,p,h,y,g,d,b,m,v;c=Math.floor,y=Math.min,u=function(t,e){return t<e?-1:t>e?1:0},h=function(t,e,n,r,o){var i;if(null==n&&(n=0),null==o&&(o=u),n<0)throw new Error("lo must be non-negative");for(null==r&&(r=t.length);n<r;)o(e,t[i=c((n+r)/2)])<0?r=i:n=i+1;return[].splice.apply(t,[n,n-n].concat(e)),e},s=function(t,e,n){return null==n&&(n=u),t.push(e),m(t,0,t.length-1,n)},f=function(t,e){var n,r;return null==e&&(e=u),n=t.pop(),t.length?(r=t[0],t[0]=n,v(t,0,e)):r=n,r},p=function(t,e,n){var r;return null==n&&(n=u),r=t[0],t[0]=e,v(t,0,n),r},a=function(t,e,n){var r;return null==n&&(n=u),t.length&&n(t[0],e)<0&&(e=(r=[t[0],e])[0],t[0]=r[1],v(t,0,n)),e},l=function(t,e){var n,r,o,i,l,f;for(null==e&&(e=u),l=[],r=0,o=(i=function(){f=[];for(var e=0,n=c(t.length/2);0<=n?e<n:e>n;0<=n?e++:e--)f.push(e);return f}.apply(this).reverse()).length;r<o;r++)n=i[r],l.push(v(t,n,e));return l},b=function(t,e,n){var r;if(null==n&&(n=u),-1!==(r=t.indexOf(e)))return m(t,0,r,n),v(t,r,n)},g=function(t,e,n){var r,o,i,c,f;if(null==n&&(n=u),!(o=t.slice(0,e)).length)return o;for(l(o,n),i=0,c=(f=t.slice(e)).length;i<c;i++)r=f[i],a(o,r,n);return o.sort(n).reverse()},d=function(t,e,n){var r,o,i,c,s,a,p,g,d;if(null==n&&(n=u),10*e<=t.length){if(!(i=t.slice(0,e).sort(n)).length)return i;for(o=i[i.length-1],c=0,a=(p=t.slice(e)).length;c<a;c++)n(r=p[c],o)<0&&(h(i,r,0,null,n),i.pop(),o=i[i.length-1]);return i}for(l(t,n),d=[],s=0,g=y(e,t.length);0<=g?s<g:s>g;0<=g?++s:--s)d.push(f(t,n));return d},m=function(t,e,n,r){var o,i,c;for(null==r&&(r=u),o=t[n];n>e&&r(o,i=t[c=n-1>>1])<0;)t[n]=i,n=c;return t[n]=o},v=function(t,e,n){var r,o,i,c,l;for(null==n&&(n=u),o=t.length,l=e,i=t[e],r=2*e+1;r<o;)(c=r+1)<o&&!(n(t[r],t[c])<0)&&(r=c),t[e]=t[r],r=2*(e=r)+1;return t[e]=i,m(t,l,e,n)},n=function(){function t(t){this.cmp=null!=t?t:u,this.nodes=[]}return t.push=s,t.pop=f,t.replace=p,t.pushpop=a,t.heapify=l,t.updateItem=b,t.nlargest=g,t.nsmallest=d,t.prototype.push=function(t){return s(this.nodes,t,this.cmp)},t.prototype.pop=function(){return f(this.nodes,this.cmp)},t.prototype.peek=function(){return this.nodes[0]},t.prototype.contains=function(t){return-1!==this.nodes.indexOf(t)},t.prototype.replace=function(t){return p(this.nodes,t,this.cmp)},t.prototype.pushpop=function(t){return a(this.nodes,t,this.cmp)},t.prototype.heapify=function(){return l(this.nodes,this.cmp)},t.prototype.updateItem=function(t){return b(this.nodes,t,this.cmp)},t.prototype.clear=function(){return this.nodes=[]},t.prototype.empty=function(){return 0===this.nodes.length},t.prototype.size=function(){return this.nodes.length},t.prototype.clone=function(){var e;return(e=new t).nodes=this.nodes.slice(0),e},t.prototype.toArray=function(){return this.nodes.slice(0)},t.prototype.insert=t.prototype.push,t.prototype.top=t.prototype.peek,t.prototype.front=t.prototype.peek,t.prototype.has=t.prototype.contains,t.prototype.copy=t.prototype.clone,t}(),o=[],void 0===(i="function"==typeof(r=function(){return n})?r.apply(e,o):r)||(t.exports=i)}).call(this)},function(t,e,n){"use strict";(function(e){
-/*!
- * The buffer module from node.js, for the browser.
- *
- * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
- * @license  MIT
- */
-function r(t){return(r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function o(t,e){if(t===e)return 0;for(var n=t.length,r=e.length,o=0,i=Math.min(n,r);o<i;++o)if(t[o]!==e[o]){n=t[o],r=e[o];break}return n<r?-1:r<n?1:0}function i(t){return e.Buffer&&"function"==typeof e.Buffer.isBuffer?e.Buffer.isBuffer(t):!(null==t||!t._isBuffer)}var u=n(10),c=Object.prototype.hasOwnProperty,l=Array.prototype.slice,f="foo"===function(){}.name;function s(t){return Object.prototype.toString.call(t)}function a(t){return!i(t)&&("function"==typeof e.ArrayBuffer&&("function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(t):!!t&&(t instanceof DataView||!!(t.buffer&&t.buffer instanceof ArrayBuffer))))}var p=t.exports=m,h=/\s*function\s+([^\(\s]*)\s*/;function y(t){if(u.isFunction(t)){if(f)return t.name;var e=t.toString().match(h);return e&&e[1]}}function g(t,e){return"string"==typeof t?t.length<e?t:t.slice(0,e):t}function d(t){if(f||!u.isFunction(t))return u.inspect(t);var e=y(t);return"[Function"+(e?": "+e:"")+"]"}function b(t,e,n,r,o){throw new p.AssertionError({message:n,actual:t,expected:e,operator:r,stackStartFunction:o})}function m(t,e){t||b(t,!0,e,"==",p.ok)}function v(t,e,n,c){if(t===e)return!0;if(i(t)&&i(e))return 0===o(t,e);if(u.isDate(t)&&u.isDate(e))return t.getTime()===e.getTime();if(u.isRegExp(t)&&u.isRegExp(e))return t.source===e.source&&t.global===e.global&&t.multiline===e.multiline&&t.lastIndex===e.lastIndex&&t.ignoreCase===e.ignoreCase;if(null!==t&&"object"===r(t)||null!==e&&"object"===r(e)){if(a(t)&&a(e)&&s(t)===s(e)&&!(t instanceof Float32Array||t instanceof Float64Array))return 0===o(new Uint8Array(t.buffer),new Uint8Array(e.buffer));if(i(t)!==i(e))return!1;var f=(c=c||{actual:[],expected:[]}).actual.indexOf(t);return-1!==f&&f===c.expected.indexOf(e)||(c.actual.push(t),c.expected.push(e),function(t,e,n,r){if(null==t||null==e)return!1;if(u.isPrimitive(t)||u.isPrimitive(e))return t===e;if(n&&Object.getPrototypeOf(t)!==Object.getPrototypeOf(e))return!1;var o=w(t),i=w(e);if(o&&!i||!o&&i)return!1;if(o)return t=l.call(t),e=l.call(e),v(t,e,n);var c,f,s=j(t),a=j(e);if(s.length!==a.length)return!1;for(s.sort(),a.sort(),f=s.length-1;f>=0;f--)if(s[f]!==a[f])return!1;for(f=s.length-1;f>=0;f--)if(c=s[f],!v(t[c],e[c],n,r))return!1;return!0}(t,e,n,c))}return n?t===e:t==e}function w(t){return"[object Arguments]"==Object.prototype.toString.call(t)}function S(t,e){if(!t||!e)return!1;if("[object RegExp]"==Object.prototype.toString.call(e))return e.test(t);try{if(t instanceof e)return!0}catch(t){}return!Error.isPrototypeOf(e)&&!0===e.call({},t)}function O(t,e,n,r){var o;if("function"!=typeof e)throw new TypeError('"block" argument must be a function');"string"==typeof n&&(r=n,n=null),o=function(t){var e;try{t()}catch(t){e=t}return e}(e),r=(n&&n.name?" ("+n.name+").":".")+(r?" "+r:"."),t&&!o&&b(o,n,"Missing expected exception"+r);var i="string"==typeof r,c=!t&&o&&!n;if((!t&&u.isError(o)&&i&&S(o,n)||c)&&b(o,n,"Got unwanted exception"+r),t&&o&&n&&!S(o,n)||!t&&o)throw o}p.AssertionError=function(t){var e;this.name="AssertionError",this.actual=t.actual,this.expected=t.expected,this.operator=t.operator,t.message?(this.message=t.message,this.generatedMessage=!1):(this.message=g(d((e=this).actual),128)+" "+e.operator+" "+g(d(e.expected),128),this.generatedMessage=!0);var n=t.stackStartFunction||b;if(Error.captureStackTrace)Error.captureStackTrace(this,n);else{var r=new Error;if(r.stack){var o=r.stack,i=y(n),u=o.indexOf("\n"+i);if(u>=0){var c=o.indexOf("\n",u+1);o=o.substring(c+1)}this.stack=o}}},u.inherits(p.AssertionError,Error),p.fail=b,p.ok=m,p.equal=function(t,e,n){t!=e&&b(t,e,n,"==",p.equal)},p.notEqual=function(t,e,n){t==e&&b(t,e,n,"!=",p.notEqual)},p.deepEqual=function(t,e,n){v(t,e,!1)||b(t,e,n,"deepEqual",p.deepEqual)},p.deepStrictEqual=function(t,e,n){v(t,e,!0)||b(t,e,n,"deepStrictEqual",p.deepStrictEqual)},p.notDeepEqual=function(t,e,n){v(t,e,!1)&&b(t,e,n,"notDeepEqual",p.notDeepEqual)},p.notDeepStrictEqual=function t(e,n,r){v(e,n,!0)&&b(e,n,r,"notDeepStrictEqual",t)},p.strictEqual=function(t,e,n){t!==e&&b(t,e,n,"===",p.strictEqual)},p.notStrictEqual=function(t,e,n){t===e&&b(t,e,n,"!==",p.notStrictEqual)},p.throws=function(t,e,n){O(!0,t,e,n)},p.doesNotThrow=function(t,e,n){O(!1,t,e,n)},p.ifError=function(t){if(t)throw t};var j=Object.keys||function(t){var e=[];for(var n in t)c.call(t,n)&&e.push(n);return e}}).call(this,n(9))},function(t,e){function n(t){return(n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}var r;r=function(){return this}();try{r=r||new Function("return this")()}catch(t){"object"===("undefined"==typeof window?"undefined":n(window))&&(r=window)}t.exports=r},function(t,e,n){(function(t){function r(t){return(r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}var o=Object.getOwnPropertyDescriptors||function(t){for(var e=Object.keys(t),n={},r=0;r<e.length;r++)n[e[r]]=Object.getOwnPropertyDescriptor(t,e[r]);return n},i=/%[sdj%]/g;e.format=function(t){if(!m(t)){for(var e=[],n=0;n<arguments.length;n++)e.push(l(arguments[n]));return e.join(" ")}n=1;for(var r=arguments,o=r.length,u=String(t).replace(i,(function(t){if("%%"===t)return"%";if(n>=o)return t;switch(t){case"%s":return String(r[n++]);case"%d":return Number(r[n++]);case"%j":try{return JSON.stringify(r[n++])}catch(t){return"[Circular]"}default:return t}})),c=r[n];n<o;c=r[++n])d(c)||!S(c)?u+=" "+c:u+=" "+l(c);return u},e.deprecate=function(n,r){if(void 0!==t&&!0===t.noDeprecation)return n;if(void 0===t)return function(){return e.deprecate(n,r).apply(this,arguments)};var o=!1;return function(){if(!o){if(t.throwDeprecation)throw new Error(r);t.traceDeprecation?console.trace(r):console.error(r),o=!0}return n.apply(this,arguments)}};var u,c={};function l(t,n){var r={seen:[],stylize:s};return arguments.length>=3&&(r.depth=arguments[2]),arguments.length>=4&&(r.colors=arguments[3]),g(n)?r.showHidden=n:n&&e._extend(r,n),v(r.showHidden)&&(r.showHidden=!1),v(r.depth)&&(r.depth=2),v(r.colors)&&(r.colors=!1),v(r.customInspect)&&(r.customInspect=!0),r.colors&&(r.stylize=f),a(r,t,r.depth)}function f(t,e){var n=l.styles[e];return n?"["+l.colors[n][0]+"m"+t+"["+l.colors[n][1]+"m":t}function s(t,e){return t}function a(t,n,r){if(t.customInspect&&n&&x(n.inspect)&&n.inspect!==e.inspect&&(!n.constructor||n.constructor.prototype!==n)){var o=n.inspect(r,t);return m(o)||(o=a(t,o,r)),o}var i=function(t,e){if(v(e))return t.stylize("undefined","undefined");if(m(e)){var n="'"+JSON.stringify(e).replace(/^"|"$/g,"").replace(/'/g,"\\'").replace(/\\"/g,'"')+"'";return t.stylize(n,"string")}if(b(e))return t.stylize(""+e,"number");if(g(e))return t.stylize(""+e,"boolean");if(d(e))return t.stylize("null","null")}(t,n);if(i)return i;var u=Object.keys(n),c=function(t){var e={};return t.forEach((function(t,n){e[t]=!0})),e}(u);if(t.showHidden&&(u=Object.getOwnPropertyNames(n)),j(n)&&(u.indexOf("message")>=0||u.indexOf("description")>=0))return p(n);if(0===u.length){if(x(n)){var l=n.name?": "+n.name:"";return t.stylize("[Function"+l+"]","special")}if(w(n))return t.stylize(RegExp.prototype.toString.call(n),"regexp");if(O(n))return t.stylize(Date.prototype.toString.call(n),"date");if(j(n))return p(n)}var f,s="",S=!1,_=["{","}"];(y(n)&&(S=!0,_=["[","]"]),x(n))&&(s=" [Function"+(n.name?": "+n.name:"")+"]");return w(n)&&(s=" "+RegExp.prototype.toString.call(n)),O(n)&&(s=" "+Date.prototype.toUTCString.call(n)),j(n)&&(s=" "+p(n)),0!==u.length||S&&0!=n.length?r<0?w(n)?t.stylize(RegExp.prototype.toString.call(n),"regexp"):t.stylize("[Object]","special"):(t.seen.push(n),f=S?function(t,e,n,r,o){for(var i=[],u=0,c=e.length;u<c;++u)T(e,String(u))?i.push(h(t,e,n,r,String(u),!0)):i.push("");return o.forEach((function(o){o.match(/^\d+$/)||i.push(h(t,e,n,r,o,!0))})),i}(t,n,r,c,u):u.map((function(e){return h(t,n,r,c,e,S)})),t.seen.pop(),function(t,e,n){if(t.reduce((function(t,e){return e.indexOf("\n")>=0&&0,t+e.replace(/\u001b\[\d\d?m/g,"").length+1}),0)>60)return n[0]+(""===e?"":e+"\n ")+" "+t.join(",\n  ")+" "+n[1];return n[0]+e+" "+t.join(", ")+" "+n[1]}(f,s,_)):_[0]+s+_[1]}function p(t){return"["+Error.prototype.toString.call(t)+"]"}function h(t,e,n,r,o,i){var u,c,l;if((l=Object.getOwnPropertyDescriptor(e,o)||{value:e[o]}).get?c=l.set?t.stylize("[Getter/Setter]","special"):t.stylize("[Getter]","special"):l.set&&(c=t.stylize("[Setter]","special")),T(r,o)||(u="["+o+"]"),c||(t.seen.indexOf(l.value)<0?(c=d(n)?a(t,l.value,null):a(t,l.value,n-1)).indexOf("\n")>-1&&(c=i?c.split("\n").map((function(t){return"  "+t})).join("\n").substr(2):"\n"+c.split("\n").map((function(t){return"   "+t})).join("\n")):c=t.stylize("[Circular]","special")),v(u)){if(i&&o.match(/^\d+$/))return c;(u=JSON.stringify(""+o)).match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)?(u=u.substr(1,u.length-2),u=t.stylize(u,"name")):(u=u.replace(/'/g,"\\'").replace(/\\"/g,'"').replace(/(^"|"$)/g,"'"),u=t.stylize(u,"string"))}return u+": "+c}function y(t){return Array.isArray(t)}function g(t){return"boolean"==typeof t}function d(t){return null===t}function b(t){return"number"==typeof t}function m(t){return"string"==typeof t}function v(t){return void 0===t}function w(t){return S(t)&&"[object RegExp]"===_(t)}function S(t){return"object"===r(t)&&null!==t}function O(t){return S(t)&&"[object Date]"===_(t)}function j(t){return S(t)&&("[object Error]"===_(t)||t instanceof Error)}function x(t){return"function"==typeof t}function _(t){return Object.prototype.toString.call(t)}function k(t){return t<10?"0"+t.toString(10):t.toString(10)}e.debuglog=function(n){if(v(u)&&(u=t.env.NODE_DEBUG||""),n=n.toUpperCase(),!c[n])if(new RegExp("\\b"+n+"\\b","i").test(u)){var r=t.pid;c[n]=function(){var t=e.format.apply(e,arguments);console.error("%s %d: %s",n,r,t)}}else c[n]=function(){};return c[n]},e.inspect=l,l.colors={bold:[1,22],italic:[3,23],underline:[4,24],inverse:[7,27],white:[37,39],grey:[90,39],black:[30,39],blue:[34,39],cyan:[36,39],green:[32,39],magenta:[35,39],red:[31,39],yellow:[33,39]},l.styles={special:"cyan",number:"yellow",boolean:"yellow",undefined:"grey",null:"bold",string:"green",date:"magenta",regexp:"red"},e.isArray=y,e.isBoolean=g,e.isNull=d,e.isNullOrUndefined=function(t){return null==t},e.isNumber=b,e.isString=m,e.isSymbol=function(t){return"symbol"===r(t)},e.isUndefined=v,e.isRegExp=w,e.isObject=S,e.isDate=O,e.isError=j,e.isFunction=x,e.isPrimitive=function(t){return null===t||"boolean"==typeof t||"number"==typeof t||"string"==typeof t||"symbol"===r(t)||void 0===t},e.isBuffer=n(12);var E=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];function q(){var t=new Date,e=[k(t.getHours()),k(t.getMinutes()),k(t.getSeconds())].join(":");return[t.getDate(),E[t.getMonth()],e].join(" ")}function T(t,e){return Object.prototype.hasOwnProperty.call(t,e)}e.log=function(){console.log("%s - %s",q(),e.format.apply(e,arguments))},e.inherits=n(13),e._extend=function(t,e){if(!e||!S(e))return t;for(var n=Object.keys(e),r=n.length;r--;)t[n[r]]=e[n[r]];return t};var A="undefined"!=typeof Symbol?Symbol("util.promisify.custom"):void 0;function M(t,e){if(!t){var n=new Error("Promise was rejected with a falsy value");n.reason=t,t=n}return e(t)}e.promisify=function(t){if("function"!=typeof t)throw new TypeError('The "original" argument must be of type Function');if(A&&t[A]){var e;if("function"!=typeof(e=t[A]))throw new TypeError('The "util.promisify.custom" argument must be of type Function');return Object.defineProperty(e,A,{value:e,enumerable:!1,writable:!1,configurable:!0}),e}function e(){for(var e,n,r=new Promise((function(t,r){e=t,n=r})),o=[],i=0;i<arguments.length;i++)o.push(arguments[i]);o.push((function(t,r){t?n(t):e(r)}));try{t.apply(this,o)}catch(t){n(t)}return r}return Object.setPrototypeOf(e,Object.getPrototypeOf(t)),A&&Object.defineProperty(e,A,{value:e,enumerable:!1,writable:!1,configurable:!0}),Object.defineProperties(e,o(t))},e.promisify.custom=A,e.callbackify=function(e){if("function"!=typeof e)throw new TypeError('The "original" argument must be of type Function');function n(){for(var n=[],r=0;r<arguments.length;r++)n.push(arguments[r]);var o=n.pop();if("function"!=typeof o)throw new TypeError("The last argument must be of type Function");var i=this,u=function(){return o.apply(i,arguments)};e.apply(this,n).then((function(e){t.nextTick(u,null,e)}),(function(e){t.nextTick(M,e,u)}))}return Object.setPrototypeOf(n,Object.getPrototypeOf(e)),Object.defineProperties(n,o(e)),n}}).call(this,n(11))},function(t,e){var n,r,o=t.exports={};function i(){throw new Error("setTimeout has not been defined")}function u(){throw new Error("clearTimeout has not been defined")}function c(t){if(n===setTimeout)return setTimeout(t,0);if((n===i||!n)&&setTimeout)return n=setTimeout,setTimeout(t,0);try{return n(t,0)}catch(e){try{return n.call(null,t,0)}catch(e){return n.call(this,t,0)}}}!function(){try{n="function"==typeof setTimeout?setTimeout:i}catch(t){n=i}try{r="function"==typeof clearTimeout?clearTimeout:u}catch(t){r=u}}();var l,f=[],s=!1,a=-1;function p(){s&&l&&(s=!1,l.length?f=l.concat(f):a=-1,f.length&&h())}function h(){if(!s){var t=c(p);s=!0;for(var e=f.length;e;){for(l=f,f=[];++a<e;)l&&l[a].run();a=-1,e=f.length}l=null,s=!1,function(t){if(r===clearTimeout)return clearTimeout(t);if((r===u||!r)&&clearTimeout)return r=clearTimeout,clearTimeout(t);try{r(t)}catch(e){try{return r.call(null,t)}catch(e){return r.call(this,t)}}}(t)}}function y(t,e){this.fun=t,this.array=e}function g(){}o.nextTick=function(t){var e=new Array(arguments.length-1);if(arguments.length>1)for(var n=1;n<arguments.length;n++)e[n-1]=arguments[n];f.push(new y(t,e)),1!==f.length||s||c(h)},y.prototype.run=function(){this.fun.apply(null,this.array)},o.title="browser",o.browser=!0,o.env={},o.argv=[],o.version="",o.versions={},o.on=g,o.addListener=g,o.once=g,o.off=g,o.removeListener=g,o.removeAllListeners=g,o.emit=g,o.prependListener=g,o.prependOnceListener=g,o.listeners=function(t){return[]},o.binding=function(t){throw new Error("process.binding is not supported")},o.cwd=function(){return"/"},o.chdir=function(t){throw new Error("process.chdir is not supported")},o.umask=function(){return 0}},function(t,e){function n(t){return(n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}t.exports=function(t){return t&&"object"===n(t)&&"function"==typeof t.copy&&"function"==typeof t.fill&&"function"==typeof t.readUInt8}},function(t,e){"function"==typeof Object.create?t.exports=function(t,e){t.super_=e,t.prototype=Object.create(e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}})}:t.exports=function(t,e){t.super_=e;var n=function(){};n.prototype=e.prototype,t.prototype=new n,t.prototype.constructor=t}},function(t,e,n){(function(){var e,r,o,i,u,c,l,f={}.hasOwnProperty;r=n(15),c=n(0).extendedTypeOf,e={" ":function(t){return t},"+":r.green,"-":r.red},l=function(t,e,n,r,o){var i,u,s,a,p,h,y,g,d,b,m,v,w,S,O,j;switch(m=t?t+": ":"",S=o+"  ",c(e)){case"object":if("__old"in e&&"__new"in e&&2===Object.keys(e).length)return l(t,e.__old,n,"-",o),l(t,e.__new,n,"+",o);for(O in n(r,""+o+m+"{"),e)f.call(e,O)&&(j=e[O],(d=O.match(/^(.*)__deleted$/))?l(d[1],j,n,"-",S):(d=O.match(/^(.*)__added$/))?l(d[1],j,n,"+",S):l(O,j,n,r,S));return n(r,o+"}");case"array":for(n(r,""+o+m+"["),g=!0,i=0,p=e.length;i<p;i++)u=e[i],("array"!==c(u)||2!==u.length&&(1!==u.length||" "!==u[0])||"string"!=typeof u[0]||1!==u[0].length||" "!==(v=u[0])&&"-"!==v&&"+"!==v&&"~"!==v)&&(g=!1);if(g)for(s=0,h=e.length;s<h;s++)if(b=(w=e[s])[0],j=w[1]," "===b&&null==j)n(" ",S+"...");else{if(" "!==b&&"~"!==b&&"+"!==b&&"-"!==b)throw new Error("Unexpected op '"+b+"' in "+JSON.stringify(e,null,2));"~"===b&&(b=" "),l("",j,n,b,S)}else for(a=0,y=e.length;a<y;a++)j=e[a],l("",j,n,r,S);return n(r,o+"]");default:if(0===e||null===e||!1===e||e)return n(r,o+m+JSON.stringify(e))}},u=function(t,e){return l("",t,e," ","")},i=function(t){var e;return e=[],u(t,(function(t,n){return e.push(""+t+n)})),e},o=function(t,n){var r;return null==n&&(n={}),r=[],u(t,(function(t,o){var i,u,c;return null==(i=n.color)||i?r.push((null!=(u=null!=(c=n.theme)?c[t]:void 0)?u:e[t])(""+t+o)+"\n"):r.push(""+t+o+"\n")})),r.join("")},t.exports={colorize:o,colorizeToArray:i,colorizeToCallback:u}}).call(this)},function(t,e,n){"use strict";var r,o,i,u,c=Object.defineProperties,l=n(16);r=function(t,e){return"["+t[0]+"m"+(e||"")+"["+t[1]+"m"},o={bold:[1,22],italic:[3,23],underline:[4,24],inverse:[7,27],strike:[9,29]},["black","red","green","yellow","blue","magenta","cyan","white"].forEach((function(t,e){o[t]=[30+e,39],o["bg"+t[0].toUpperCase()+t.slice(1)]=[40+e,49]})),o.gray=[90,39],(i=l(o,(function(t){return{get:function(){return this.style.push(t),this},enumerable:!0}}))).bright={get:function(){return this._bright=!0,this},enumerable:!0},i.bgBright={get:function(){return this._bgBright=!0,this},enumerable:!0},u=function(){var t=c((function t(e){return t.style.reduce((function(e,n){return(t._bright&&n[0]>=30&&n[0]<38||t._bgBright&&n[0]>=40&&n[0]<48)&&(n=[n[0]+60,n[1]]),r(n,e)}),e)}),i);return t.style=[],t[this]},t.exports=c((function(t){return t}),l(i,(function(t,e){return{get:u.bind(e),enumerable:!0}})))},function(t,e,n){"use strict";var r=n(17);t.exports=function(t,e){var n={};return r(t,(function(r,o){n[o]=e.call(this,r,o,t)}),arguments[2]),n}},function(t,e,n){"use strict";t.exports=n(18)("forEach")},function(t,e,n){"use strict";var r=Function.prototype.call,o=Object.keys,i=n(1),u=n(19),c=n(20);t.exports=function(t){return function(e,n){var l,f=arguments[2],s=arguments[3];return c(e),u(n),l=o(e),s&&l.sort(i(s)?s:void 0),l[t]((function(t,o){return r.call(n,f,e[t],t,e,o)}))}}},function(t,e,n){"use strict";var r=n(1);t.exports=function(t){if(!r(t))throw new TypeError(t+" is not a function");return t}},function(t,e,n){"use strict";t.exports=function(t){if(null==t)throw new TypeError("Cannot use null or undefined");return t}}])}));
\ No newline at end of file
diff --git a/rollup.config.mjs b/rollup.config.mjs
index 85f913372..8a623a338 100644
--- a/rollup.config.mjs
+++ b/rollup.config.mjs
@@ -286,20 +286,6 @@ const WORKER_TARGETS = fs.readdirSync('src/workers').map((file) => {
 });
 
 const MODULE_TARGETS = [
-    {
-        input: 'modules/pcui-diff.ts',
-        output: {
-            file: 'dist/js/pcui-diff.js',
-            format: 'esm'
-        },
-        plugins: [
-            swc({
-                swc: {
-                    minify: production
-                }
-            })
-        ]
-    },
     {
         input: 'modules/texture-convert/src/index.ts',
         output: {
diff --git a/src/common/diff.ts b/src/common/diff.ts
new file mode 100644
index 000000000..c4f666100
--- /dev/null
+++ b/src/common/diff.ts
@@ -0,0 +1,190 @@
+/**
+ * Deep diff for JSON-compatible values.
+ *
+ * Reimplementation of the `json-diff` npm package (https://github.com/andreyvit/json-diff).
+ * The original file was a minified webpack UMD bundle of that library; this is a clean
+ * TypeScript replacement covering only the functionality actually used by the editor.
+ *
+ * Diff format:
+ *  - Objects: `{ key__added: val, key__deleted: val, key: nestedDiff }`
+ *  - Scalars: `{ __old: val, __new: val }`
+ *  - Arrays:  `[op, value?][]` where op is `" "`, `"+"`, `"-"`
+ *  - No difference: `undefined`
+ */
+
+type JsonValue = any;
+
+interface DiffOptions {
+    /** When true, only report structural changes (added/deleted keys), ignore value changes. */
+    keysOnly?: boolean;
+}
+
+/**
+ * Extended typeof that distinguishes arrays and null from plain objects.
+ *
+ * @param value - The value to inspect.
+ */
+function extendedTypeOf(value: JsonValue): string {
+    if (value == null) {
+        return 'null';
+    }
+    if (typeof value === 'object' && Array.isArray(value)) {
+        return 'array';
+    }
+    return typeof value;
+}
+
+/**
+ * Recursively diff two values. Returns `[score, diff]`.
+ *
+ * The score is used internally for ranking (e.g. during array element matching in the
+ * original json-diff); only the diff portion is exposed to consumers.
+ *
+ * @param oldVal - The original value.
+ * @param newVal - The new value.
+ * @param options - Diff options.
+ */
+function diffValue(oldVal: JsonValue, newVal: JsonValue, options: DiffOptions): [number, JsonValue] {
+    const oldType = extendedTypeOf(oldVal);
+    const newType = extendedTypeOf(newVal);
+
+    if (oldType === newType) {
+        switch (oldType) {
+            case 'object':
+                return objectDiff(oldVal, newVal, options);
+            case 'array':
+                return arrayDiff(oldVal, newVal, options);
+        }
+    }
+
+    // Scalar comparison or type mismatch
+    if (options.keysOnly) {
+        return [100, undefined];
+    }
+    if (oldVal !== newVal) {
+        return [0, { __old: oldVal, __new: newVal }];
+    }
+    return [100, undefined];
+}
+
+/**
+ * Diff two plain objects. Produces `key__added`, `key__deleted` entries for
+ * structural changes and recursively diffs shared keys.
+ *
+ * @param oldObj - The original object.
+ * @param newObj - The new object.
+ * @param options - Diff options.
+ */
+function objectDiff(
+    oldObj: Record<string, JsonValue>,
+    newObj: Record<string, JsonValue>,
+    options: DiffOptions
+): [number, JsonValue] {
+    const result: Record<string, JsonValue> = {};
+    let score = 0;
+
+    // Detect deleted keys (present in old, absent in new)
+    for (const key of Object.keys(oldObj)) {
+        if (!(key in newObj)) {
+            result[`${key}__deleted`] = oldObj[key];
+            score -= 30;
+        }
+    }
+
+    // Detect added keys (present in new, absent in old)
+    for (const key of Object.keys(newObj)) {
+        if (!(key in oldObj)) {
+            result[`${key}__added`] = newObj[key];
+            score -= 30;
+        }
+    }
+
+    // Recursively diff shared keys
+    for (const key of Object.keys(oldObj)) {
+        if (key in newObj) {
+            score += 20;
+            const [childScore, childDiff] = diffValue(oldObj[key], newObj[key], options);
+            if (childDiff) {
+                result[key] = childDiff;
+            }
+            score += Math.min(20, Math.max(-10, childScore / 5));
+        }
+    }
+
+    if (Object.keys(result).length === 0) {
+        // No changes detected
+        return [100 * Math.max(Object.keys(oldObj).length, 0.5), undefined];
+    }
+
+    return [Math.max(0, score), result];
+}
+
+/**
+ * Diff two arrays using index-based comparison.
+ *
+ * Note: the original json-diff used Python's SequenceMatcher (via the `difflib` port) for
+ * optimal element alignment. This simplified version compares by index position, which is
+ * sufficient for the editor's use case (object-keyed data, not reorderable arrays).
+ *
+ * Output format: array of `[op]` or `[op, value]` tuples where op is `" "`, `"+"`, or `"-"`.
+ *
+ * @param oldArr - The original array.
+ * @param newArr - The new array.
+ * @param options - Diff options.
+ */
+function arrayDiff(oldArr: JsonValue[], newArr: JsonValue[], options: DiffOptions): [number, JsonValue] {
+    const result: [string, JsonValue?][] = [];
+    let score = 0;
+    let allEqual = true;
+
+    const minLen = Math.min(oldArr.length, newArr.length);
+
+    for (let i = 0; i < minLen; i++) {
+        const [, childDiff] = diffValue(oldArr[i], newArr[i], options);
+        if (childDiff) {
+            if (options.keysOnly) {
+                result.push(['~', childDiff]);
+            } else {
+                result.push(['-', oldArr[i]]);
+                result.push(['+', newArr[i]]);
+                score -= 10;
+            }
+            allEqual = false;
+        } else {
+            result.push([' ']);
+            score += 10;
+        }
+    }
+
+    // Extra elements in old array (deleted)
+    for (let i = minLen; i < oldArr.length; i++) {
+        result.push(['-', oldArr[i]]);
+        score -= 5;
+        allEqual = false;
+    }
+
+    // Extra elements in new array (added)
+    for (let i = minLen; i < newArr.length; i++) {
+        result.push(['+', newArr[i]]);
+        score -= 5;
+        allEqual = false;
+    }
+
+    if (allEqual) {
+        return [100, undefined];
+    }
+
+    return [Math.max(0, score), result];
+}
+
+/**
+ * Compute a deep diff between two JSON-compatible values.
+ *
+ * @param oldVal - The original value.
+ * @param newVal - The new value.
+ * @param options - Optional. Pass `{ keysOnly: true }` to ignore scalar value changes.
+ * @returns A diff object describing the changes, or `undefined` if the values are equal.
+ */
+export function diff(oldVal: JsonValue, newVal: JsonValue, options: DiffOptions = {}): JsonValue {
+    return diffValue(oldVal, newVal, options)[1];
+}
diff --git a/src/editor/inspector/assets/animstategraph-view.ts b/src/editor/inspector/assets/animstategraph-view.ts
index d245e1bff..4eabeed0a 100644
--- a/src/editor/inspector/assets/animstategraph-view.ts
+++ b/src/editor/inspector/assets/animstategraph-view.ts
@@ -1,6 +1,8 @@
 import { default as PCUIGraph } from '@playcanvas/pcui-graph';
 import { ANIM_INTERRUPTION_NONE } from 'playcanvas';
 
+import { diff } from '@/common/diff';
+
 import { AnimstategraphState } from './animstategraph-state';
 
 const GRAPH_ACTIONS = {
@@ -453,8 +455,7 @@ class AnimstategraphView {
     _handleIncomingUpdates(path, newValue, oldValue) {
         if (!this._suppressGraphDataEvents) {
             if (path === 'data') {
-                // FIXME: window.diff comes from pcui/diff.js
-                const updates = window.diff.default(oldValue, newValue);
+                const updates = diff(oldValue, newValue);
                 if (updates.states) {
                     Object.keys(updates.states).forEach((stateKey) => {
                         if (stateKey.includes('__added')) {
diff --git a/tsconfig.json b/tsconfig.json
index c8e2b043b..387b92b9e 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -25,7 +25,6 @@
     ],
     "exclude": [
         "src/wasm",
-        "modules/pcui-diff.ts",
         "modules/editor-api"
     ]
 }
\ No newline at end of file
diff --git a/types.d.ts b/types.d.ts
index c0a9beda8..68bf50778 100644
--- a/types.d.ts
+++ b/types.d.ts
@@ -42,11 +42,6 @@ declare interface Array {
 }
 
 declare interface Window {
-    // diff (injected into HTML)
-    diff: {
-        default: (t: any, e: any, n: any) => any;
-    };
-
     // global variables
     config: typeof config;
     editor: typeof editor;