/*

 Copyright 2012 Marijn Haverbeke
 SPDX-License-Identifier: MIT
*/
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Wa=/[\n\r\u2028\u2029]/,Ta=/\r\n|[\n\r\u2028\u2029]/g,qa,nb={kind:"loop"},Xc={kind:"switch"}};"object"===typeof exports&&"object"===typeof module?ca(exports):"function"===typeof define&&define.kc?define(["exports"],ca):ca(ba.j||(ba.j={}));/*

 Copyright 2013 Google LLC
 SPDX-License-Identifier: Apache-2.0
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l;for(l in b)if("loc"!==l){var q=b[l];if(q&&"object"===typeof q)if(Array.isArray(q))for(e=0;e<q.length;e++){if(q[e]&&q[e].constructor===g){var C=bb(a,q[e],d);for(l in C)c[l]=C[l]}}else if(q.constructor===g)for(l in C=bb(a,q,d),C)c[l]=C[l]}}b.kb=c}for(l in c)!0===c[l]?a.g(d.object,l,void 0,Ha):a.g(d.object,l,Pb(a,c[l],d),Ha);return c}function Ac(a){return a.j[a.j.length-1].isConstructor}function gd(a,b){return b[0]===Ja?ed(a,b[1]):a.N(b[0],b[1])}
function hd(a,b,d){return b[0]===Ja?fd(a,b[1],d):a.g(b[0],b[1],d)}function I(a,b,d){if(!a.M)throw void 0===d?b:d;void 0!==d&&b instanceof D&&(b=a.Da(b),Jc(a,b,d));id(a,4,b);throw Ia;}
function id(a,b,d,c){if(0===b)throw TypeError("Should not unwind for NORMAL completions");var e=a.j;a:for(;0<e.length;e.pop()){var g=e[e.length-1];switch(g.node.type){case "TryStatement":g.fa={type:b,value:d,label:c};return;case "CallExpression":case "NewExpression":if(3===b){g.value=d;return}if(4!==b)throw Error("Unsyntactic break/continue not rejected by Acorn");break;case "Program":g.done=!0;break a}if(1===b){if(c?g.labels&&-1!==g.labels.indexOf(c):g.$||g.$b){e.pop();return}}else if(2===b&&(c?
g.labels&&-1!==g.labels.indexOf(c):g.$))return}P(a,d,a.D)?(b={EvalError:EvalError,RangeError:RangeError,ReferenceError:ReferenceError,SyntaxError:SyntaxError,TypeError:TypeError,URIError:URIError},c=String(a.N(d,"name")),e=a.N(d,"message").valueOf(),b=(b[c]||Error)(e),b.stack=String(a.N(d,"stack"))):b=String(d);a.value=b;throw b;}
function Q(a,b){switch(b.type){case "ArrayExpression":return"[...]";case "BinaryExpression":case "LogicalExpression":return Q(a,b.left)+" "+b.operator+" "+Q(a,b.right);case "CallExpression":return Q(a,b.callee)+"(...)";case "ConditionalExpression":return Q(a,b.test)+" ? "+Q(a,b.ea)+" : "+Q(a,b.alternate);case "Identifier":return b.name;case "Literal":return b.raw;case "MemberExpression":var d=Q(a,b.object);a=Q(a,b.Xa);return b.eb?d+"["+a+"]":d+"."+a;case "NewExpression":return"new "+Q(a,b.callee)+
"(...)";case "ObjectExpression":return"{...}";case "ThisExpression":return"this";case "UnaryExpression":return b.operator+" "+Q(a,b.J);case "UpdateExpression":return d=Q(a,b.J),b.prefix?b.operator+d:d+b.operator}return"???"}
function Nb(a,b,d){var c=a.j[a.j.length-1],e=Array.from(d),g=e.shift();d=Math.max(Number(e.shift()||0),0);var l=a.Ca();if(g instanceof D&&"Function"===g.G){var q=g;l.type="CallExpression";c=c.scope}else{try{var C=da(String(g),"taskCode"+a.jc++)}catch(R){I(a,a.V,"Invalid code: "+R.message)}l.type="EvalProgram_";l.body=C.body;c=c.node.arguments[0];ta(l,c?c.start:void 0,c?c.end:void 0);c=a.M;e.length=0}b=new jd(q,e,c,l,b?d:-1);Ab(a,b,d);return b.Db}
function Ab(a,b,d){b.time=Date.now()+d;a.X.push(b);a.X.sort(function(c,e){return c.time-e.time})}function Ob(a,b){for(var d=0;d<a.X.length;d++)if(a.X[d].Db==b){a.X.splice(d,1);break}}function kd(a,b,d){if(!a.P)throw Error("Unexpected call to createGetter");a.P=!1;d=Array.isArray(d)?d[0]:d;var c=a.Ca();c.type="CallExpression";a=new u(c,a.j[a.j.length-1].scope);a.ka=2;a.B=d;a.Y=b;a.Sa=!0;a.F=[];return a}
function ld(a,b,d,c){if(!a.Ma)throw Error("Unexpected call to createSetter");a.Ma=!1;d=Array.isArray(d)?d[0]:a.Pa;var e=a.Ca();e.type="CallExpression";a=new u(e,a.j[a.j.length-1].scope);a.ka=2;a.B=d;a.Y=b;a.Sa=!0;a.F=[c];return a}function md(a,b){return void 0===b||null===b?a.Pa:b instanceof D?b:(a=a.s(Bc(a,b)),a.data=b,a)}p.Xb=function(){return this.M};p.Yb=function(){return this.j};p.fc=function(a){this.j=a};function u(a,b){this.node=a;this.scope=b}
function cd(a,b,d){this.Wa=a;this.T=b;this.object=d}function D(a){this.Z=Object.create(null);this.ba=Object.create(null);this.h=Object.create(null);this.Ba=a}p=D.prototype;p.Ba=null;p.G="Object";p.data=null;
p.toString=function(){if(!Oa)return"[object Interpreter.Object]";if(!(this instanceof D))return String(this);if("Array"===this.G){var a=Ma;a.push(this);try{var b=[],d=this.h.length,c=!1;1024<d&&(d=1E3,c=!0);for(var e=0;e<d;e++){var g=this.h[e];b[e]=g instanceof D&&-1!==a.indexOf(g)?"...":g}c&&b.push("...")}finally{a.pop()}return b.join(",")}if("Error"===this.G){a=Ma;if(-1!==a.indexOf(this))return"[object Error]";d=this;do if("name"in d.h){b=d.h.name;break}while(d=d.Ba);d=this;do if("message"in d.h){c=
d.h.message;break}while(d=d.Ba);a.push(this);try{b=b&&String(b),c=c&&String(c)}finally{a.pop()}return c?b+": "+c:String(b)}return null!==this.data?String(this.data):"[object "+this.G+"]"};p.valueOf=function(){return!Oa||void 0===this.data||null===this.data||this.data instanceof RegExp?this:this.data instanceof Date?this.data.valueOf():this.data};function jd(a,b,d,c,e){this.zb=a;this.Lb=b;this.scope=d;this.node=c;this.interval=e;this.Db=++nd;this.time=0}var nd=0;
t.prototype.stepArrayExpression=function(a,b,d){d=d.elements;var c=b.A||0;b.Qa?(this.g(b.Qa,c,b.value),c++):(b.Qa=Cc(this),b.Qa.h.length=d.length);for(;c<d.length;){if(d[c])return b.A=c,new u(d[c],b.scope);c++}a.pop();a[a.length-1].value=b.Qa};
t.prototype.stepAssignmentExpression=function(a,b,d){if(!b.la)return b.la=!0,b=new u(d.left,b.scope),b.wa=!0,b;if(!b.Ga){b.Ia||(b.Ia=b.value);b.Ea&&(b.oa=b.value);if(!b.Ea&&"="!==d.operator&&(a=gd(this,b.Ia),b.oa=a,this.P))return b.Ea=!0,kd(this,a,b.Ia);b.Ga=!0;"="===d.operator&&"Identifier"===d.left.type&&(b.Ra=d.left.name);return new u(d.right,b.scope)}if(b.xa)a.pop(),a[a.length-1].value=b.jb;else{var c=b.oa,e=b.value;switch(d.operator){case "=":c=e;break;case "+=":c+=e;break;case "-=":c-=e;break;
case "*=":c*=e;break;case "/=":c/=e;break;case "%=":c%=e;break;case "<<=":c<<=e;break;case ">>=":c>>=e;break;case ">>>=":c>>>=e;break;case "&=":c&=e;break;case "^=":c^=e;break;case "|=":c|=e;break;default:throw SyntaxError("Unknown assignment expression: "+d.operator);}if(d=hd(this,b.Ia,c))return b.xa=!0,b.jb=c,ld(this,d,b.Ia,c);a.pop();a[a.length-1].value=c}};
t.prototype.stepBinaryExpression=function(a,b,d){if(!b.la)return b.la=!0,new u(d.left,b.scope);if(!b.Ga)return b.Ga=!0,b.oa=b.value,new u(d.right,b.scope);a.pop();var c=b.oa;b=b.value;switch(d.operator){case "==":d=c==b;break;case "!=":d=c!=b;break;case "===":d=c===b;break;case "!==":d=c!==b;break;case ">":d=c>b;break;case ">=":d=c>=b;break;case "<":d=c<b;break;case "<=":d=c<=b;break;case "+":d=c+b;break;case "-":d=c-b;break;case "*":d=c*b;break;case "/":d=c/b;break;case "%":d=c%b;break;case "&":d=
c&b;break;case "|":d=c|b;break;case "^":d=c^b;break;case "<<":d=c<<b;break;case ">>":d=c>>b;break;case ">>>":d=c>>>b;break;case "in":b instanceof D||I(this,this.o,"'in' expects an object, not '"+b+"'");d=ad(this,b,c);break;case "instanceof":P(this,b,this.O)||I(this,this.o,"'instanceof' expects an object, not '"+b+"'");d=c instanceof D?P(this,c,b):!1;break;default:throw SyntaxError("Unknown binary operator: "+d.operator);}a[a.length-1].value=d};
t.prototype.stepBlockStatement=function(a,b,d){var c=b.A||0;if(d=d.body[c])return b.A=c+1,new u(d,b.scope);a.pop()};t.prototype.stepBreakStatement=function(a,b,d){id(this,1,void 0,d.label&&d.label.name)};t.prototype.Hb=0;
t.prototype.stepCallExpression=function(a,b,d){if(!b.ka){b.ka=1;var c=new u(d.callee,b.scope);c.wa=!0;return c}if(1===b.ka){b.ka=2;var e=b.value;if(Array.isArray(e)){if(b.Y=gd(this,e),e[0]===Ja?b.Pb="eval"===e[1]:b.B=e[0],e=b.Y,this.P)return b.ka=1,kd(this,e,b.value)}else b.Y=e;b.F=[];b.A=0}e=b.Y;if(!b.Sa){0!==b.A&&b.F.push(b.value);if(d.arguments[b.A])return new u(d.arguments[b.A++],b.scope);if("NewExpression"===d.type){e instanceof D&&!e.Ab||I(this,this.o,Q(this,d.callee)+" is not a constructor");
if(e===this.ta)b.B=Cc(this);else{var g=e.h.prototype;if("object"!==typeof g||null===g)g=this.L;b.B=this.s(g)}b.isConstructor=!0}b.Sa=!0}if(b.gb)a.pop(),a[a.length-1].value=b.isConstructor&&"object"!==typeof b.value?b.B:b.value;else{b.gb=!0;e instanceof D||I(this,this.o,Q(this,d.callee)+" is not a function");if(a=e.node){d=ja(this,a.body,e.Wa);c=Cc(this);for(e=0;e<b.F.length;e++)this.g(c,e,b.F[e]);this.g(d.object,"arguments",c);for(e=0;e<a.ra.length;e++)this.g(d.object,a.ra[e].name,b.F.length>e?b.F[e]:
void 0);d.T||(b.B=md(this,b.B));this.g(d.object,"this",b.B,wa);b.value=void 0;return new u(a.body,d)}if(e.eval)if(e=b.F[0],"string"!==typeof e)b.value=e;else{try{c=da(String(e),"eval"+this.Hb++)}catch(q){I(this,this.V,"Invalid code: "+q.message)}e=this.Ca();e.type="EvalProgram_";e.body=c.body;ta(e,d.start,d.end);d=b.Pb?b.scope:this.M;d.T?d=ja(this,c,d):bb(this,c,d);this.value=void 0;return new u(e,d)}else if(e.Ua)b.scope.T||(b.B=md(this,b.B)),b.value=e.Ua.apply(b.B,b.F);else if(e.ab){var l=this;c=
e.ab.length-1;c=b.F.concat(Array(c)).slice(0,c);c.push(function(q){b.value=q;l.va=!1});this.va=!0;b.scope.T||(b.B=md(this,b.B));e.ab.apply(b.B,c)}else I(this,this.o,Q(this,d.callee)+" is not callable")}};
t.prototype.stepConditionalExpression=function(a,b,d){var c=b.pa||0;if(0===c)return b.pa=1,new u(d.test,b.scope);if(1===c){b.pa=2;if((c=!!b.value)&&d.ea)return new u(d.ea,b.scope);if(!c&&d.alternate)return new u(d.alternate,b.scope);this.value=void 0}a.pop();"ConditionalExpression"===d.type&&(a[a.length-1].value=b.value)};t.prototype.stepContinueStatement=function(a,b,d){id(this,2,void 0,d.label&&d.label.name)};t.prototype.stepDebuggerStatement=function(a){a.pop()};
t.prototype.stepDoWhileStatement=function(a,b,d){"DoWhileStatement"===d.type&&void 0===b.ia&&(b.value=!0,b.ia=!0);if(!b.ia)return b.ia=!0,new u(d.test,b.scope);if(!b.value)a.pop();else if(d.body)return b.ia=!1,b.$=!0,new u(d.body,b.scope)};t.prototype.stepEmptyStatement=function(a){a.pop()};t.prototype.stepEvalProgram_=function(a,b,d){var c=b.A||0;if(d=d.body[c])return b.A=c+1,new u(d,b.scope);a.pop();a[a.length-1].value=this.value};
t.prototype.stepExpressionStatement=function(a,b,d){if(!b.ma)return this.value=void 0,b.ma=!0,new u(d.na,b.scope);a.pop();this.value=b.value};
t.prototype.stepForInStatement=function(a,b,d){if(!b.Ub&&(b.Ub=!0,d.left.ga&&d.left.ga[0].ya))return b.scope.T&&I(this,this.V,"for-in loop variable declaration may not have an initializer"),new u(d.left,b.scope);if(!b.Fa)return b.Fa=!0,b.sa||(b.sa=b.value),new u(d.right,b.scope);b.$||(b.$=!0,b.u=b.value,b.lb=Object.create(null));if(void 0===b.Ta)a:for(;;){if(b.u instanceof D)for(b.Aa||(b.Aa=Object.getOwnPropertyNames(b.u.h));;){var c=b.Aa.shift();if(void 0===c)break;if(Object.prototype.hasOwnProperty.call(b.u.h,
c)&&!b.lb[c]&&(b.lb[c]=!0,Object.prototype.propertyIsEnumerable.call(b.u.h,c))){b.Ta=c;break a}}else if(null!==b.u&&void 0!==b.u)for(b.Aa||(b.Aa=Object.getOwnPropertyNames(b.u));;){c=b.Aa.shift();if(void 0===c)break;b.lb[c]=!0;if(Object.prototype.propertyIsEnumerable.call(b.u,c)){b.Ta=c;break a}}b.u=Bc(this,b.u);b.Aa=null;if(null===b.u){a.pop();return}}if(!b.wb)if(b.wb=!0,a=d.left,"VariableDeclaration"===a.type)b.sa=[Ja,a.ga[0].id.name];else return b.sa=null,b=new u(a,b.scope),b.wa=!0,b;b.sa||(b.sa=
b.value);if(!b.xa&&(b.xa=!0,a=b.Ta,c=hd(this,b.sa,a)))return ld(this,c,b.sa,a);b.Ta=void 0;b.wb=!1;b.xa=!1;if(d.body)return new u(d.body,b.scope)};t.prototype.stepForStatement=function(a,b,d){switch(b.pa){default:b.pa=1;if(d.ya)return new u(d.ya,b.scope);break;case 1:b.pa=2;if(d.test)return new u(d.test,b.scope);break;case 2:b.pa=3;if(d.test&&!b.value)a.pop();else return b.$=!0,new u(d.body,b.scope);break;case 3:if(b.pa=1,d.update)return new u(d.update,b.scope)}};
t.prototype.stepFunctionDeclaration=function(a){a.pop()};t.prototype.stepFunctionExpression=function(a,b,d){a.pop();b=a[a.length-1];a=b.scope;d.id&&(a=dd(this,a));b.value=Pb(this,d,a,b.Ra);d.id&&this.g(a.object,d.id.name,b.value,wa)};t.prototype.stepIdentifier=function(a,b,d){a.pop();if(b.wa)a[a.length-1].value=[Ja,d.name];else{b=ed(this,d.name);if(this.P)return kd(this,b,this.Pa);a[a.length-1].value=b}};t.prototype.stepIfStatement=t.prototype.stepConditionalExpression;
t.prototype.stepLabeledStatement=function(a,b,d){a.pop();a=b.labels||[];a.push(d.label.name);b=new u(d.body,b.scope);b.labels=a;return b};t.prototype.stepLiteral=function(a,b,d){a.pop();b=d.value;b instanceof RegExp&&(d=this.s(this.Oa),Ic(this,d,b),b=d);a[a.length-1].value=b};
t.prototype.stepLogicalExpression=function(a,b,d){if("&&"!==d.operator&&"||"!==d.operator)throw SyntaxError("Unknown logical operator: "+d.operator);if(!b.la)return b.la=!0,new u(d.left,b.scope);if(b.Ga)a.pop(),a[a.length-1].value=b.value;else if("&&"===d.operator&&!b.value||"||"===d.operator&&b.value)a.pop(),a[a.length-1].value=b.value;else return b.Ga=!0,new u(d.right,b.scope)};
t.prototype.stepMemberExpression=function(a,b,d){if(!b.Fa)return b.Fa=!0,new u(d.object,b.scope);if(d.eb)if(b.Vb)d=b.value;else return b.u=b.value,b.Vb=!0,new u(d.Xa,b.scope);else b.u=b.value,d=d.Xa.name;a.pop();if(b.wa)a[a.length-1].value=[b.u,d];else{d=this.N(b.u,d);if(this.P)return kd(this,d,b.u);a[a.length-1].value=d}};t.prototype.stepNewExpression=t.prototype.stepCallExpression;
t.prototype.stepObjectExpression=function(a,b,d){var c=b.A||0,e=d.h[c];if(b.u){var g=b.Ra;b.La[g]||(b.La[g]={});b.La[g][e.kind]=b.value;b.A=++c;e=d.h[c]}else b.u=this.s(this.L),b.La=Object.create(null);if(e){var l=e.key;if("Identifier"===l.type)g=l.name;else if("Literal"===l.type)g=l.value;else throw SyntaxError("Unknown object structure: "+l.type);b.Ra=g;return new u(e.value,b.scope)}for(l in b.La)d=b.La[l],"get"in d||"set"in d?this.g(b.u,l,Ka,{configurable:!0,enumerable:!0,get:d.get,set:d.set}):
this.g(b.u,l,d.init);a.pop();a[a.length-1].value=b.u};t.prototype.stepProgram=function(a,b,d){if(a=d.body.shift())return b.done=!1,new u(a,b.scope);b.done=!0};t.prototype.stepReturnStatement=function(a,b,d){if(d.J&&!b.ma)return b.ma=!0,new u(d.J,b.scope);id(this,3,b.value)};t.prototype.stepSequenceExpression=function(a,b,d){var c=b.A||0;if(d=d.xb[c])return b.A=c+1,new u(d,b.scope);a.pop();a[a.length-1].value=b.value};
t.prototype.stepSwitchStatement=function(a,b,d){if(!b.ia)return b.ia=1,new u(d.Qb,b.scope);1===b.ia&&(b.ia=2,b.ic=b.value,b.fb=-1);for(;;){var c=b.ib||0,e=d.tb[c];if(b.Ka||!e||e.test)if(e||b.Ka||-1===b.fb)if(e){if(!b.Ka&&!b.Fb&&e.test)return b.Fb=!0,new u(e.test,b.scope);if(b.Ka||b.value===b.ic){b.Ka=!0;var g=b.A||0;if(e.ea[g])return b.$b=!0,b.A=g+1,new u(e.ea[g],b.scope)}b.Fb=!1;b.A=0;b.ib=c+1}else{a.pop();break}else b.Ka=!0,b.ib=b.fb;else b.fb=c,b.ib=c+1}};
t.prototype.stepThisExpression=function(a){a.pop();a[a.length-1].value=ed(this,"this")};t.prototype.stepThrowStatement=function(a,b,d){if(b.ma)I(this,b.value);else return b.ma=!0,new u(d.J,b.scope)};
t.prototype.stepTryStatement=function(a,b,d){if(!b.Rb)return b.Rb=!0,new u(d.block,b.scope);if(b.fa&&4===b.fa.type&&!b.Tb&&d.Ha)return b.Tb=!0,a=dd(this,b.scope),this.g(a.object,d.Ha.Va.name,b.fa.value),b.fa=void 0,new u(d.Ha.body,a);if(!b.Sb&&d.hb)return b.Sb=!0,new u(d.hb,b.scope);a.pop();b.fa&&id(this,b.fa.type,b.fa.value,b.fa.label)};
t.prototype.stepUnaryExpression=function(a,b,d){if(!b.ma)return b.ma=!0,a=new u(d.J,b.scope),a.wa="delete"===d.operator,a;a.pop();var c=b.value;switch(d.operator){case "-":c=-c;break;case "+":c=+c;break;case "!":c=!c;break;case "~":c=~c;break;case "delete":d=!0;if(Array.isArray(c)){var e=c[0];e===Ja&&(e=b.scope);c=String(c[1]);try{delete e.h[c]}catch(g){b.scope.T?I(this,this.o,"Cannot delete property '"+c+"' of '"+e+"'"):d=!1}}c=d;break;case "typeof":c=c&&"Function"===c.G?"function":typeof c;break;
case "void":c=void 0;break;default:throw SyntaxError("Unknown unary operator: "+d.operator);}a[a.length-1].value=c};
t.prototype.stepUpdateExpression=function(a,b,d){if(!b.la)return b.la=!0,a=new u(d.J,b.scope),a.wa=!0,a;b.Ja||(b.Ja=b.value);b.Ea&&(b.oa=b.value);if(!b.Ea){var c=gd(this,b.Ja);b.oa=c;if(this.P)return b.Ea=!0,kd(this,c,b.Ja)}if(b.xa)a.pop(),a[a.length-1].value=b.jb;else{c=Number(b.oa);if("++"===d.operator)var e=c+1;else if("--"===d.operator)e=c-1;else throw SyntaxError("Unknown update expression: "+d.operator);d=d.prefix?e:c;if(c=hd(this,b.Ja,e))return b.xa=!0,b.jb=d,ld(this,c,b.Ja,e);a.pop();a[a.length-
1].value=d}};t.prototype.stepVariableDeclaration=function(a,b,d){d=d.ga;var c=b.A||0,e=d[c];b.Bb&&e&&(fd(this,e.id.name,b.value),b.Bb=!1,e=d[++c]);for(;e;){if(e.ya)return b.A=c,b.Bb=!0,b.Ra=e.id.name,new u(e.ya,b.scope);e=d[++c]}a.pop()};t.prototype.stepWithStatement=function(a,b,d){if(!b.Fa)return b.Fa=!0,new u(d.object,b.scope);a.pop();a=dd(this,b.scope,b.value);return new u(d.body,a)};t.prototype.stepWhileStatement=t.prototype.stepDoWhileStatement;Pa.Interpreter=t;t.prototype.step=t.prototype.mb;
t.prototype.run=t.prototype.Eb;t.prototype.appendCode=t.prototype.Jb;t.prototype.createObject=t.prototype.Da;t.prototype.createObjectProto=t.prototype.s;t.prototype.createAsyncFunction=t.prototype.ub;t.prototype.createNativeFunction=t.prototype.i;t.prototype.getProperty=t.prototype.N;t.prototype.setProperty=t.prototype.g;t.prototype.getStatus=t.prototype.Zb;t.prototype.nativeToPseudo=t.prototype.R;t.prototype.pseudoToNative=t.prototype.S;t.prototype.getGlobalScope=t.prototype.Xb;
t.prototype.getStateStack=t.prototype.Yb;t.prototype.setStateStack=t.prototype.fc;t.VALUE_IN_DESCRIPTOR=Ka;t.Status=ua;
