requirebin sketch

index.js

// Welcome! require() some modules from npm (like you were using browserify)
// and then hit Run Code to run your code on the right side.
// Modules get downloaded from browserify-cdn and bundled in your browser.

var reduceCSSCalc = require('reduce-css-calc')

console.log("test", reduceCSSCalc("calc(100% - 120px - 60px)") )

minified.js

setTimeout(function(){require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){module.exports=balanced;function balanced(a,b,str){if(a instanceof RegExp)a=maybeMatch(a,str);if(b instanceof RegExp)b=maybeMatch(b,str);var r=range(a,b,str);return r&&{start:r[0],end:r[1],pre:str.slice(0,r[0]),body:str.slice(r[0]+a.length,r[1]),post:str.slice(r[1]+b.length)}}function maybeMatch(reg,str){var m=str.match(reg);return m?m[0]:null}balanced.range=range;function range(a,b,str){var begs,beg,left,right,result;var ai=str.indexOf(a);var bi=str.indexOf(b,ai+1);var i=ai;if(ai>=0&&bi>0){begs=[];left=str.length;while(i>=0&&!result){if(i==ai){begs.push(i);ai=str.indexOf(a,i+1)}else if(begs.length==1){result=[begs.pop(),bi]}else{beg=begs.pop();if(beg<left){left=beg;right=bi}bi=str.indexOf(b,i+1)}i=ai<bi&&ai>=0?ai:bi}if(begs.length){result=[left,right]}}return result}},{}],2:[function(require,module,exports){var Mexp=require("./postfix_evaluator.js");Mexp.prototype.formulaEval=function(){"use strict";var stack=[],pop1,pop2,pop3;var disp=[];var temp="";var arr=this.value;for(var i=0;i<arr.length;i++){if(arr[i].type===1||arr[i].type===3){disp.push({value:arr[i].type===3?arr[i].show:arr[i].value,type:1})}else if(arr[i].type===13){disp.push({value:arr[i].show,type:1})}else if(arr[i].type===0){disp[disp.length-1]={value:arr[i].show+(arr[i].show!="-"?"(":"")+disp[disp.length-1].value+(arr[i].show!="-"?")":""),type:0}}else if(arr[i].type===7){disp[disp.length-1]={value:(disp[disp.length-1].type!=1?"(":"")+disp[disp.length-1].value+(disp[disp.length-1].type!=1?")":"")+arr[i].show,type:7}}else if(arr[i].type===10){pop1=disp.pop();pop2=disp.pop();if(arr[i].show==="P"||arr[i].show==="C")disp.push({value:"<sup>"+pop2.value+"</sup>"+arr[i].show+"<sub>"+pop1.value+"</sub>",type:10});else disp.push({value:(pop2.type!=1?"(":"")+pop2.value+(pop2.type!=1?")":"")+"<sup>"+pop1.value+"</sup>",type:1})}else if(arr[i].type===2||arr[i].type===9){pop1=disp.pop();pop2=disp.pop();disp.push({value:(pop2.type!=1?"(":"")+pop2.value+(pop2.type!=1?")":"")+arr[i].show+(pop1.type!=1?"(":"")+pop1.value+(pop1.type!=1?")":""),type:arr[i].type})}else if(arr[i].type===12){pop1=disp.pop();pop2=disp.pop();pop3=disp.pop();disp.push({value:arr[i].show+"("+pop3.value+","+pop2.value+","+pop1.value+")",type:12})}}return disp[0].value};module.exports=Mexp},{"./postfix_evaluator.js":6}],3:[function(require,module,exports){var Mexp=require("./math_function.js");function inc(arr,val){for(var i=0;i<arr.length;i++)arr[i]+=val;return arr}var token=["sin","cos","tan","pi","(",")","P","C","asin","acos","atan","7","8","9","int","cosh","acosh","ln","^","root","4","5","6","/","!","tanh","atanh","Mod","1","2","3","*","sinh","asinh","e","log","0",".","+","-",",","Sigma","n","Pi","pow"];var show=["sin","cos","tan","&pi;","(",")","P","C","asin","acos","atan","7","8","9","Int","cosh","acosh"," ln","^","root","4","5","6","&divide;","!","tanh","atanh"," Mod ","1","2","3","&times;","sinh","asinh","e"," log","0",".","+","-",",","&Sigma;","n","&Pi;","pow"];var eva=[Mexp.math.sin,Mexp.math.cos,Mexp.math.tan,"PI","(",")",Mexp.math.P,Mexp.math.C,Mexp.math.asin,Mexp.math.acos,Mexp.math.atan,"7","8","9",Math.floor,Mexp.math.cosh,Mexp.math.acosh,Math.log,Math.pow,Math.sqrt,"4","5","6",Mexp.math.div,Mexp.math.fact,Mexp.math.tanh,Mexp.math.atanh,Mexp.math.mod,"1","2","3",Mexp.math.mul,Mexp.math.sinh,Mexp.math.asinh,"E",Mexp.math.log,"0",".",Mexp.math.add,Mexp.math.sub,",",Mexp.math.sigma,"n",Mexp.math.Pi,Math.pow];var preced={0:11,1:0,2:3,3:0,4:0,5:0,6:0,7:11,8:11,9:1,10:10,11:0,12:11,13:0};var type=[0,0,0,3,4,5,10,10,0,0,0,1,1,1,0,0,0,0,10,0,1,1,1,2,7,0,0,2,1,1,1,2,0,0,3,0,1,6,9,9,11,12,13,12,8];var type0={0:true,1:true,3:true,4:true,6:true,8:true,9:true,12:true,13:true},type1={0:true,1:true,2:true,3:true,4:true,5:true,6:true,7:true,8:true,9:true,10:true,11:true,12:true,13:true},type_1={0:true,3:true,4:true,8:true,12:true,13:true},empty={},type_3={0:true,1:true,3:true,4:true,6:true,8:true,12:true,13:true},type6={1:true},newAr=[[],["1","2","3","7","8","9","4","5","6","+","-","*","/","(",")","^","!","P","C","e","0",".",",","n"],["pi","ln","Pi"],["sin","cos","tan","Del","int","Mod","log","pow"],["asin","acos","atan","cosh","root","tanh","sinh"],["acosh","atanh","asinh","Sigma"]];function match(str1,str2,i,x){for(var f=0;f<x;f++){if(str1[i+f]!==str2[f])return false}return true}Mexp.addToken=function(tokens){for(i=0;i<tokens.length;i++){x=tokens[i].token.length;var temp=-1;if(x<newAr.length)for(y=0;y<newAr[x].length;y++){if(tokens[i].token===newAr[x][y]){temp=token.indexOf(newAr[x][y]);break}}if(temp===-1){token.push(tokens[i].token);type.push(tokens[i].type);if(newAr.length<=tokens[i].token.length)newAr[tokens[i].token.length]=[];newAr[tokens[i].token.length].push(tokens[i].token);eva.push(tokens[i].value);show.push(tokens[i].show)}else{token[temp]=tokens[i].token;type[temp]=tokens[i].type;eva[temp]=tokens[i].value;show[temp]=tokens[i].show}}};Mexp.lex=function(inp,tokens){"use strict";var str=[{type:4,value:"(",show:"(",pre:0}];var ptc=[];var inpStr=inp;var key;var pcounter=0;var allowed=type0;var bracToClose=0;var asterick=empty;var prevKey="";var i,x,y;if(typeof tokens!=="undefined")Mexp.addToken(tokens);var obj={};for(i=0;i<inpStr.length;i++){if(inpStr[i]==" "){continue}key="";sec:for(x=inpStr.length-i>newAr.length-2?newAr.length-1:inpStr.length-i;x>0;x--){for(y=0;y<newAr[x].length;y++){if(match(inpStr,newAr[x][y],i,x)){key=newAr[x][y];break sec}}}i+=key.length-1;if(key===""){throw new Mexp.exception("Can't understand after "+inpStr.slice(i))}var index=token.indexOf(key);var cToken=key;var cType=type[index];var cEv=eva[index];var cPre=preced[cType];var cShow=show[index];var pre=str[str.length-1];for(j=ptc.length;j--;){if(ptc[j]===0){if([0,2,3,5,9,11,12,13].indexOf(cType)!==-1){if(allowed[cType]!==true){throw new Mexp.exception(key+" is not allowed after "+prevKey)}str.push({value:")",type:5,pre:0,show:")"});allowed=type1;asterick=type_3;inc(ptc,-1).pop()}}}if(allowed[cType]!==true){throw new Mexp.exception(key+" is not allowed after "+prevKey)}if(asterick[cType]===true){cType=2;cEv=Mexp.math.mul;cShow="&times;";cPre=3;i=i-key.length}obj={value:cEv,type:cType,pre:cPre,show:cShow};if(cType===0){allowed=type0;asterick=empty;inc(ptc,2).push(2);str.push(obj);str.push({value:"(",type:4,pre:0,show:"("})}else if(cType===1){if(pre.type===1){pre.value+=cEv;inc(ptc,1)}else{str.push(obj)}allowed=type1;asterick=type_1}else if(cType===2){allowed=type0;asterick=empty;inc(ptc,2);str.push(obj)}else if(cType===3){str.push(obj);allowed=type1;asterick=type_3}else if(cType===4){pcounter+=ptc.length;ptc=[];bracToClose++;allowed=type0;asterick=empty;str.push(obj)}else if(cType===5){if(!bracToClose){throw new Mexp.exception("Closing parenthesis are more than opening one, wait What!!!")}while(pcounter--){str.push({value:")",type:5,pre:0,show:")"})}pcounter=0;bracToClose--;allowed=type1;asterick=type_3;str.push(obj)}else if(cType===6){if(pre.hasDec){throw new Mexp.exception("Two decimals are not allowed in one number")}if(pre.type!==1){pre={value:0,type:1,pre:0};str.push(pre);inc(ptc,-1)}allowed=type6;inc(ptc,1);asterick=empty;pre.value+=cEv;pre.hasDec=true}else if(cType===7){allowed=type1;asterick=type_3;inc(ptc,1);str.push(obj)}if(cType===8){allowed=type0;asterick=empty;inc(ptc,4).push(4);str.push(obj);str.push({value:"(",type:4,pre:0,show:"("})}else if(cType===9){if(pre.type===9){if(pre.value===Mexp.math.add){pre.value=cEv;pre.show=cShow;inc(ptc,1)}else if(pre.value===Mexp.math.sub&&cShow==="-"){pre.value=Mexp.math.add;pre.show="+";inc(ptc,1)}}else if(pre.type!==5&&pre.type!==7&&pre.type!==1&&pre.type!==3&&pre.type!==13){if(cToken==="-"){allowed=type0;asterick=empty;inc(ptc,2).push(2);str.push({value:Mexp.math.changeSign,type:0,pre:21,show:"-"});str.push({value:"(",type:4,pre:0,show:"("})}}else{str.push(obj);inc(ptc,2)}allowed=type0;asterick=empty}else if(cType===10){allowed=type0;asterick=empty;inc(ptc,2);str.push(obj)}else if(cType===11){allowed=type0;asterick=empty;str.push(obj)}else if(cType===12){allowed=type0;asterick=empty;inc(ptc,6).push(6);str.push(obj);str.push({value:"(",type:4,pre:0})}else if(cType===13){allowed=type1;asterick=type_3;str.push(obj)}inc(ptc,-1);prevKey=key}for(var j=ptc.length;j--;){if(ptc[j]===0){str.push({value:")",show:")",type:5,pre:3});inc(ptc,-1).pop()}}if(allowed[5]!==true){throw new Mexp.exception("complete the expression")}while(bracToClose--)str.push({value:")",show:")",type:5,pre:3});str.push({type:5,value:")",show:")",pre:0});return new Mexp(str)};module.exports=Mexp},{"./math_function.js":4}],4:[function(require,module,exports){var Mexp=function(parsed){this.value=parsed};Mexp.math={isDegree:true,acos:function(x){return Mexp.math.isDegree?180/Math.PI*Math.acos(x):Math.acos(x)},add:function(a,b){return a+b},asin:function(x){return Mexp.math.isDegree?180/Math.PI*Math.asin(x):Math.asin(x)},atan:function(x){return Mexp.math.isDegree?180/Math.PI*Math.atan(x):Math.atan(x)},acosh:function(x){return Math.log(x+Math.sqrt(x*x-1))},asinh:function(x){return Math.log(x+Math.sqrt(x*x+1))},atanh:function(x){return Math.log((1+x)/(1-x))},C:function(n,r){var pro=1,other=n-r,choice=r;if(choice<other){choice=other;other=r}for(var i=choice+1;i<=n;i++)pro*=i;return pro/Mexp.math.fact(other)},changeSign:function(x){return-x},cos:function(x){if(Mexp.math.isDegree)x=Mexp.math.toRadian(x);return Math.cos(x)},cosh:function(x){return(Math.pow(Math.E,x)+Math.pow(Math.E,-1*x))/2},div:function(a,b){return a/b},fact:function(n){if(n%1!==0)return"NAN";var pro=1;for(var i=2;i<=n;i++)pro*=i;return pro},inverse:function(x){return 1/x},log:function(i){return Math.log(i)/Math.log(10)},mod:function(a,b){return a%b},mul:function(a,b){return a*b},P:function(n,r){var pro=1;for(var i=Math.floor(n)-Math.floor(r)+1;i<=Math.floor(n);i++)pro*=i;return pro},Pi:function(low,high,ex){var pro=1;for(var i=low;i<=high;i++){pro*=Number(ex.postfixEval({n:i}))}return pro},pow10x:function(e){var x=1;while(e--){x*=10}return x},sigma:function(low,high,ex){var sum=0;for(var i=low;i<=high;i++){sum+=Number(ex.postfixEval({n:i}))}return sum},sin:function(x){if(Mexp.math.isDegree)x=Mexp.math.toRadian(x);return Math.sin(x)},sinh:function(x){return(Math.pow(Math.E,x)-Math.pow(Math.E,-1*x))/2},sub:function(a,b){return a-b},tan:function(x){if(Mexp.math.isDegree)x=Mexp.math.toRadian(x);return Math.tan(x)},tanh:function(x){return Mexp.sinha(x)/Mexp.cosha(x)},toRadian:function(x){return x*Math.PI/180}};Mexp.exception=function(message){this.message=message};module.exports=Mexp},{}],5:[function(require,module,exports){var Mexp=require("./lexer.js");Mexp.prototype.toPostfix=function(){"use strict";var post=[],elem,popped,prep,pre,ele;var stack=[{value:"(",type:4,pre:0}];var arr=this.value;for(var i=1;i<arr.length;i++){if(arr[i].type===1||arr[i].type===3||arr[i].type===13){if(arr[i].type===1)arr[i].value=Number(arr[i].value);post.push(arr[i])}else if(arr[i].type===4){stack.push(arr[i])}else if(arr[i].type===5){while((popped=stack.pop()).type!==4){post.push(popped)}}else if(arr[i].type===11){while((popped=stack.pop()).type!==4){post.push(popped)}stack.push(popped)}else{elem=arr[i];pre=elem.pre;ele=stack[stack.length-1];prep=ele.pre;var flag=ele.value=="Math.pow"&&elem.value=="Math.pow";if(pre>prep)stack.push(elem);else{while(prep>=pre&&!flag||flag&&pre<prep){popped=stack.pop();ele=stack[stack.length-1];post.push(popped);prep=ele.pre;flag=elem.value=="Math.pow"&&ele.value=="Math.pow"}stack.push(elem)}}}return new Mexp(post)};module.exports=Mexp},{"./lexer.js":3}],6:[function(require,module,exports){var Mexp=require("./postfix.js");Mexp.prototype.postfixEval=function(UserDefined){"use strict";UserDefined=UserDefined||{};UserDefined.PI=Math.PI;UserDefined.E=Math.E;var stack=[],pop1,pop2,pop3;var disp=[];var temp="";var arr=this.value;var bool=typeof UserDefined.n!=="undefined";for(var i=0;i<arr.length;i++){if(arr[i].type===1){stack.push({value:arr[i].value,type:1})}else if(arr[i].type===3){stack.push({value:UserDefined[arr[i].value],type:1})}else if(arr[i].type===0){if(typeof stack[stack.length-1].type==="undefined"){stack[stack.length-1].value.push(arr[i])}else stack[stack.length-1].value=arr[i].value(stack[stack.length-1].value)}else if(arr[i].type===7){if(typeof stack[stack.length-1].type==="undefined"){stack[stack.length-1].value.push(arr[i])}else stack[stack.length-1].value=arr[i].value(stack[stack.length-1].value)}else if(arr[i].type===8){pop1=stack.pop();pop2=stack.pop();stack.push({type:1,value:arr[i].value(pop2.value,pop1.value)})}else if(arr[i].type===10){pop1=stack.pop();pop2=stack.pop();if(typeof pop2.type==="undefined"){pop2.value=pop2.concat(pop1);pop2.value.push(arr[i]);stack.push(pop2)}else if(typeof pop1.type==="undefined"){pop1.unshift(pop2);pop1.push(arr[i]);stack.push(pop1)}else{stack.push({type:1,value:arr[i].value(pop2.value,pop1.value)})}}else if(arr[i].type===2||arr[i].type===9){pop1=stack.pop();pop2=stack.pop();if(typeof pop2.type==="undefined"){console.log(pop2);pop2=pop2.concat(pop1);pop2.push(arr[i]);stack.push(pop2)}else if(typeof pop1.type==="undefined"){pop1.unshift(pop2);pop1.push(arr[i]);stack.push(pop1)}else{stack.push({type:1,value:arr[i].value(pop2.value,pop1.value)})}}else if(arr[i].type===12){pop1=stack.pop();if(typeof pop1.type!=="undefined"){pop1=[pop1]}pop2=stack.pop();pop3=stack.pop();stack.push({type:1,value:arr[i].value(pop3.value,pop2.value,new Mexp(pop1))})}else if(arr[i].type===13){if(bool){stack.push({value:UserDefined[arr[i].value],type:3})}else stack.push([arr[i]])}}if(stack.length>1){throw new Mexp.exception("Uncaught Syntax error")}return stack[0].value>1e15?"Infinity":parseFloat(stack[0].value.toFixed(15))};Mexp.eval=function(str,tokens,obj){if(typeof tokens==="undefined"){return this.lex(str).toPostfix().postfixEval()}else if(typeof obj==="undefined"){if(typeof tokens.length!=="undefined")return this.lex(str,tokens).toPostfix().postfixEval();else return this.lex(str).toPostfix().postfixEval(tokens)}else return this.lex(str,tokens).toPostfix().postfixEval(obj)};module.exports=Mexp},{"./postfix.js":5}],7:[function(require,module,exports){var balanced=require("balanced-match");module.exports=reduceFunctionCall;function reduceFunctionCall(string,functionRE,callback){var call=string;return getFunctionCalls(string,functionRE).reduce(function(string,obj){return string.replace(obj.functionIdentifier+"("+obj.matches.body+")",evalFunctionCall(obj.matches.body,obj.functionIdentifier,callback,call,functionRE))},string)}function getFunctionCalls(call,functionRE){var expressions=[];var fnRE=typeof functionRE==="string"?new RegExp("\\b("+functionRE+")\\("):functionRE;do{var searchMatch=fnRE.exec(call);if(!searchMatch){return expressions}if(searchMatch[1]===undefined){throw new Error("Missing the first couple of parenthesis to get the function identifier in "+functionRE)}var fn=searchMatch[1];var startIndex=searchMatch.index;var matches=balanced("(",")",call.substring(startIndex));if(!matches||matches.start!==searchMatch[0].length-1){throw new SyntaxError(fn+"(): missing closing ')' in the value '"+call+"'")}expressions.push({matches:matches,functionIdentifier:fn});call=matches.post}while(fnRE.test(call));return expressions}function evalFunctionCall(string,functionIdentifier,callback,call,functionRE){return callback(reduceFunctionCall(string,functionRE,callback),functionIdentifier,call)}},{"balanced-match":1}],"reduce-css-calc":[function(require,module,exports){var balanced=require("balanced-match");var reduceFunctionCall=require("reduce-function-call");var mexp=require("math-expression-evaluator");var MAX_STACK=100;var NESTED_CALC_RE=/(\+|\-|\*|\\|[^a-z]|)(\s*)(\()/g;var stack;module.exports=reduceCSSCalc;function reduceCSSCalc(value,decimalPrecision){stack=0;decimalPrecision=Math.pow(10,decimalPrecision===undefined?5:decimalPrecision);value=value.replace(/\n+/g," ");function evaluateExpression(expression,functionIdentifier,call){if(stack++>MAX_STACK){stack=0;throw new Error("Call stack overflow for "+call)}if(expression===""){throw new Error(functionIdentifier+"(): '"+call+"' must contain a non-whitespace string")}expression=evaluateNestedExpression(expression,call);var units=getUnitsInExpression(expression);if(units.length>1||expression.indexOf("var(")>-1){return functionIdentifier+"("+expression+")"}var unit=units[0]||"";if(unit==="%"){expression=expression.replace(/\b[0-9\.]+%/g,function(percent){return parseFloat(percent.slice(0,-1))*.01})}var toEvaluate=expression.replace(new RegExp(unit,"gi"),"");var result;try{result=mexp.eval(toEvaluate)}catch(e){return functionIdentifier+"("+expression+")"}if(unit==="%"){result*=100}if(functionIdentifier.length||unit==="%"){result=Math.round(result*decimalPrecision)/decimalPrecision}result+=unit;return result}function evaluateNestedExpression(expression,call){expression=expression.replace(/((?:\-[a-z]+\-)?calc)/g,"");var evaluatedPart="";var nonEvaluatedPart=expression;var matches;while(matches=NESTED_CALC_RE.exec(nonEvaluatedPart)){if(matches[0].index>0){evaluatedPart+=nonEvaluatedPart.substring(0,matches[0].index)}var balancedExpr=balanced("(",")",nonEvaluatedPart.substring([0].index));if(balancedExpr.body===""){throw new Error("'"+expression+"' must contain a non-whitespace string")}var evaluated=evaluateExpression(balancedExpr.body,"",call);evaluatedPart+=balancedExpr.pre+evaluated;nonEvaluatedPart=balancedExpr.post}return evaluatedPart+nonEvaluatedPart}return reduceFunctionCall(value,/((?:\-[a-z]+\-)?calc)\(/,evaluateExpression)}function getUnitsInExpression(expression){var uniqueUnits=[];var uniqueLowerCaseUnits=[];var unitRegEx=/[\.0-9]([%a-z]+)/gi;var matches=unitRegEx.exec(expression);while(matches){if(!matches||!matches[1]){continue}if(uniqueLowerCaseUnits.indexOf(matches[1].toLowerCase())===-1){uniqueUnits.push(matches[1]);uniqueLowerCaseUnits.push(matches[1].toLowerCase())}matches=unitRegEx.exec(expression)}return uniqueUnits}},{"balanced-match":1,"math-expression-evaluator":2,"reduce-function-call":7}]},{},[]);var reduceCSSCalc=require("reduce-css-calc");console.log("test",reduceCSSCalc("calc(100% - 120px - 60px)"))},0);

package.json

{
  "name": "requirebin-sketch",
  "version": "1.0.0",
  "dependencies": {
    "reduce-css-calc": "1.3.0"
  }
}

page-body.html

<!-- contents of this file will be placed inside the <body> -->

page-head.html

<!-- contents of this file will be placed inside the <head> -->

requirebin.md

made with requirebin