diff --git a/Gruntfile.js b/Gruntfile.js
index 93b2a6f5..84e0d8e2 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -35,6 +35,7 @@ module.exports = function(grunt) {
               'devbridge-autocomplete/dist/jquery.autocomplete.min.js',
           'lib/jquery-deparam.js' : 'jquery-deparam/jquery-deparam.js',
           'lib/jquery-turtle.js': 'jquery-turtle/jquery-turtle.js',
+          'lib/js2coffee.js': 'js2coffee/dist/js2coffee.js',
           'lib/lodash.js': 'lodash/lodash.js',
           'lib/p5.js': 'p5/index.js',
           'lib/pencil-tracer.js': 'pencil-tracer/pencil-tracer.js',
@@ -105,6 +106,7 @@ module.exports = function(grunt) {
             'content/lib/iced-coffee-script.js',
             'content/lib/jquery.js',
             'content/lib/jquery-turtle.js',
+            'content/lib/js2coffee.js',
             'content/lib/lodash.js',
             'content/lib/seedrandom.js',
             'content/lib/socket.io.js',
@@ -154,6 +156,7 @@ module.exports = function(grunt) {
           'content/lib/iced-coffee-script.js',
           'content/lib/jquery.js',
           'content/lib/jquery-turtle.js',
+          'content/lib/js2coffee.js',
           'content/lib/lodash.js',
           'content/lib/seedrandom.js',
           'content/lib/socket.io.js',
diff --git a/bower.json b/bower.json
index ed6367b0..cc54b203 100644
--- a/bower.json
+++ b/bower.json
@@ -14,6 +14,7 @@
     "jquery": "latest",
     "jquery-deparam": "latest",
     "jquery-turtle": "PencilCode/jquery-turtle#master",
+    "js2coffee": "js2coffee/js2coffee#master",
     "lodash": "latest",
     "p5": "https://github.com/processing/p5.js/releases/download/0.4.6/p5.js",
     "pencil-tracer": "yjerem/pencil-tracer#master",
diff --git a/content/lib/js2coffee.js b/content/lib/js2coffee.js
new file mode 100644
index 00000000..ea916827
--- /dev/null
+++ b/content/lib/js2coffee.js
@@ -0,0 +1,7 @@
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r,o;n.push(y);for(r=0,o=e.specifiers.length;r<o;++r){n.push(t);n.push(s.generateExpression(e.specifiers[r],i.Sequence,q));if(r+1<o){n.push(","+y)}}});if(!Q(lt(n).toString())){n.push(y)}n.push(f+"}")}if(e.source){n=ct(n,["from"+v,this.generateExpression(e.source,i.Sequence,q),this.semicolon(t)])}else{n.push(this.semicolon(t))}}return n},ExpressionStatement:function(e,t){var n,o;n=[this.generateExpression(e.expression,i.Sequence,q)];o=lt(n).toString();if(o.charAt(0)==="{"||o.slice(0,5)==="class"&&" {".indexOf(o.charAt(5))>=0||o.slice(0,8)==="function"&&"* (".indexOf(o.charAt(8))>=0||x&&t&F&&e.expression.type===r.Literal&&typeof e.expression.value==="string"){n=["(",n,")"+this.semicolon(t)]}else{n.push(this.semicolon(t))}return n},ImportDeclaration:function(e,t){var n,o,s=this;if(e.specifiers.length===0){return["import",v,this.generateExpression(e.source,i.Sequence,q),this.semicolon(t)]}n=["import"];o=0;if(e.specifiers[o].type===r.ImportDefaultSpecifier){n=ct(n,[this.generateExpression(e.specifiers[o],i.Sequence,q)]);++o}if(e.specifiers[o]){if(o!==0){n.push(",")}if(e.specifiers[o].type===r.ImportNamespaceSpecifier){n=ct(n,[v,this.generateExpression(e.specifiers[o],i.Sequence,q)])}else{n.push(v+"{");if(e.specifiers.length-o===1){n.push(v);n.push(this.generateExpression(e.specifiers[o],i.Sequence,q));n.push(v+"}"+v)}else{ht(function(t){var r,a;n.push(y);for(r=o,a=e.specifiers.length;r<a;++r){n.push(t);n.push(s.generateExpression(e.specifiers[r],i.Sequence,q));if(r+1<a){n.push(","+y)}}});if(!Q(lt(n).toString())){n.push(y)}n.push(f+"}"+v)}}}n=ct(n,["from"+v,this.generateExpression(e.source,i.Sequence,q),this.semicolon(t)]);return n},VariableDeclarator:function(e,t){var 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n,r,i,o;n=["try",this.maybeBlock(e.block,V)];n=this.maybeBlockSuffix(e.block,n);if(e.handlers){for(r=0,i=e.handlers.length;r<i;++r){n=ct(n,this.generateStatement(e.handlers[r],V));if(e.finalizer||r+1!==i){n=this.maybeBlockSuffix(e.handlers[r].body,n)}}}else{o=e.guardedHandlers||[];for(r=0,i=o.length;r<i;++r){n=ct(n,this.generateStatement(o[r],V));if(e.finalizer||r+1!==i){n=this.maybeBlockSuffix(o[r].body,n)}}if(e.handler){if(l(e.handler)){for(r=0,i=e.handler.length;r<i;++r){n=ct(n,this.generateStatement(e.handler[r],V));if(e.finalizer||r+1!==i){n=this.maybeBlockSuffix(e.handler[r].body,n)}}}else{n=ct(n,this.generateStatement(e.handler,V));if(e.finalizer){n=this.maybeBlockSuffix(e.handler.body,n)}}}}if(e.finalizer){n=ct(n,["finally",this.maybeBlock(e.finalizer,V)])}return n},SwitchStatement:function(e,t){var n,r,o,s,a,u=this;ht(function(){n=["switch"+v+"(",u.generateExpression(e.discriminant,i.Sequence,q),")"+v+"{"+y]});if(e.cases){a=V;for(o=0,s=e.cases.length;o<s;++o){if(o===s-1){a|=M}r=pt(this.generateStatement(e.cases[o],a));n.push(r);if(!Q(lt(r).toString())){n.push(y)}}}n.push(pt("}"));return n},SwitchCase:function(e,t){var n,o,s,a,u,l=this;ht(function(){if(e.test){n=[ct("case",l.generateExpression(e.test,i.Sequence,q)),":"]}else{n=["default:"]}s=0;a=e.consequent.length;if(a&&e.consequent[0].type===r.BlockStatement){o=l.maybeBlock(e.consequent[0],V);n.push(o);s=1}if(s!==a&&!Q(lt(n).toString())){n.push(y)}u=V;for(;s<a;++s){if(s===a-1&&t&M){u|=M}o=pt(l.generateStatement(e.consequent[s],u));n.push(o);if(s+1!==a&&!Q(lt(o).toString())){n.push(y)}}});return n},IfStatement:function(e,t){var n,o,s,a=this;ht(function(){n=["if"+v+"(",a.generateExpression(e.test,i.Sequence,q),")"]});s=t&M;o=V;if(s){o|=M}if(e.alternate){n.push(this.maybeBlock(e.consequent,V));n=this.maybeBlockSuffix(e.consequent,n);if(e.alternate.type===r.IfStatement){n=ct(n,["else ",this.generateStatement(e.alternate,o)])}else{n=ct(n,ct("else",this.maybeBlock(e.alternate,o)))}}else{n.push(this.maybeBlock(e.consequent,o))}return n},ForStatement:function(e,t){var n,o=this;ht(function(){n=["for"+v+"("];if(e.init){if(e.init.type===r.VariableDeclaration){n.push(o.generateStatement(e.init,Y))}else{n.push(o.generateExpression(e.init,i.Sequence,T));n.push(";")}}else{n.push(";")}if(e.test){n.push(v);n.push(o.generateExpression(e.test,i.Sequence,q));n.push(";")}else{n.push(";")}if(e.update){n.push(v);n.push(o.generateExpression(e.update,i.Sequence,q));n.push(")")}else{n.push(")")}});n.push(this.maybeBlock(e.body,t&M?G:V));return n},ForInStatement:function(e,t){return this.generateIterationForStatement("in",e,t&M?G:V)},ForOfStatement:function(e,t){return this.generateIterationForStatement("of",e,t&M?G:V)},LabeledStatement:function(e,t){return[e.label.name+":",this.maybeBlock(e.body,t&M?G:V)]},Program:function(e,t){var n,r,i,o,s;o=e.body.length;n=[w&&o>0?"\n":""];s=K;for(i=0;i<o;++i){if(!w&&i===o-1){s|=M}if(A){if(i===0){if(!e.body[0].leadingComments){vt(e.range[0],e.body[i].range[0],n)}}if(i>0){if(!e.body[i-1].trailingComments&&!e.body[i].leadingComments){vt(e.body[i-1].range[1],e.body[i].range[0],n)}}}r=pt(this.generateStatement(e.body[i],s));n.push(r);if(i+1<o&&!Q(lt(r).toString())){if(A){if(!e.body[i+1].leadingComments){n.push(y)}}else{n.push(y)}}if(A){if(i===o-1){if(!e.body[i].trailingComments){vt(e.body[i].range[1],e.range[1],n)}}}}return n},FunctionDeclaration:function(e,t){return[_t(e,true),"function",Ct(e)||ft(),Et(e.id),this.generateFunctionBody(e)]},ReturnStatement:function(e,t){if(e.argument){return[ct("return",this.generateExpression(e.argument,i.Sequence,q)),this.semicolon(t)]}return["return"+this.semicolon(t)]},WhileStatement:function(e,t){var n,r=this;ht(function(){n=["while"+v+"(",r.generateExpression(e.test,i.Sequence,q),")"]});n.push(this.maybeBlock(e.body,t&M?G:V));return n},WithStatement:function(e,t){var n,r=this;ht(function(){n=["with"+v+"(",r.generateExpression(e.object,i.Sequence,q),")"]});n.push(this.maybeBlock(e.body,t&M?G:V));return n}};Z(xt.prototype,xt.Statement);xt.Expression={SequenceExpression:function(e,t,n){var r,o,s;if(i.Sequence<t){n|=R}r=[];for(o=0,s=e.expressions.length;o<s;++o){r.push(this.generateExpression(e.expressions[o],i.Assignment,n));if(o+1<s){r.push(","+v)}}return St(r,i.Sequence,t)},AssignmentExpression:function(e,t,n){return this.generateAssignment(e.left,e.right,e.operator,t,n)},ArrowFunctionExpression:function(e,t,n){return St(this.generateFunctionBody(e),i.ArrowFunction,t)},ConditionalExpression:function(e,t,n){if(i.Conditional<t){n|=R}return St([this.generateExpression(e.test,i.LogicalOR,n),v+"?"+v,this.generateExpression(e.consequent,i.Assignment,n),v+":"+v,this.generateExpression(e.alternate,i.Assignment,n)],i.Conditional,t)},LogicalExpression:function(e,t,n){return this.BinaryExpression(e,t,n)},BinaryExpression:function(e,t,n){var r,i,s,a;i=o[e.operator];if(i<t){n|=R}s=this.generateExpression(e.left,i,n);a=s.toString();if(a.charCodeAt(a.length-1)===47&&u.code.isIdentifierPart(e.operator.charCodeAt(0))){r=[s,ft(),e.operator]}else{r=ct(s,e.operator)}s=this.generateExpression(e.right,i+1,n);if(e.operator==="/"&&s.toString().charAt(0)==="/"||e.operator.slice(-1)==="<"&&s.toString().slice(0,3)==="!--"){r.push(ft());r.push(s)}else{r=ct(r,s)}if(e.operator==="in"&&!(n&R)){return["(",r,")"]}return St(r,i,t)},CallExpression:function(e,t,n){var r,o,s;r=[this.generateExpression(e.callee,i.Call,N)];r.push("(");for(o=0,s=e["arguments"].length;o<s;++o){r.push(this.generateExpression(e["arguments"][o],i.Assignment,q));if(o+1<s){r.push(","+v)}}r.push(")");if(!(n&D)){return["(",r,")"]}return St(r,i.Call,t)},NewExpression:function(e,t,n){var r,o,s,a,u;o=e["arguments"].length;u=n&j&&!S&&o===0?W:U;r=ct("new",this.generateExpression(e.callee,i.New,u));if(!(n&j)||S||o>0){r.push("(");for(s=0,a=o;s<a;++s){r.push(this.generateExpression(e["arguments"][s],i.Assignment,q));if(s+1<a){r.push(","+v)}}r.push(")")}return St(r,i.New,t)},MemberExpression:function(e,t,n){var o,s;o=[this.generateExpression(e.object,i.Call,n&D?N:U)];if(e.computed){o.push("[");o.push(this.generateExpression(e.property,i.Sequence,n&D?q:W));o.push("]")}else{if(e.object.type===r.Literal&&typeof e.object.value==="number"){s=lt(o).toString();if(s.indexOf(".")<0&&!/[eExX]/.test(s)&&u.code.isDecimalDigit(s.charCodeAt(s.length-1))&&!(s.length>=2&&s.charCodeAt(0)===48)){o.push(".")}}o.push(".");o.push(Et(e.property))}return St(o,i.Member,t)},UnaryExpression:function(e,t,n){var r,o,s,a,l;o=this.generateExpression(e.argument,i.Unary,q);if(v===""){r=ct(e.operator,o)}else{r=[e.operator];if(e.operator.length>2){r=ct(r,o)}else{a=lt(r).toString();l=a.charCodeAt(a.length-1);s=o.toString().charCodeAt(0);if((l===43||l===45)&&l===s||u.code.isIdentifierPart(l)&&u.code.isIdentifierPart(s)){r.push(ft());r.push(o)}else{r.push(o)}}}return St(r,i.Unary,t)},YieldExpression:function(e,t,n){var r;if(e.delegate){r="yield*"}else{r="yield"}if(e.argument){r=ct(r,this.generateExpression(e.argument,i.Yield,q))}return St(r,i.Yield,t)},AwaitExpression:function(e,t,n){var r=ct(e.delegate?"await*":"await",this.generateExpression(e.argument,i.Await,q));return 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r,o;r=["class"];if(e.id){r=ct(r,this.generateExpression(e.id,i.Sequence,q))}if(e.superClass){o=ct("extends",this.generateExpression(e.superClass,i.Assignment,q));r=ct(r,o)}r.push(v);r.push(this.generateStatement(e.body,G));return r},MethodDefinition:function(e,t,n){var r,i;if(e["static"]){r=["static"+v]}else{r=[]}if(e.kind==="get"||e.kind==="set"){i=[ct(e.kind,this.generatePropertyKey(e.key,e.computed)),this.generateFunctionBody(e.value)]}else{i=[kt(e),this.generatePropertyKey(e.key,e.computed),this.generateFunctionBody(e.value)]}return ct(r,i)},Property:function(e,t,n){if(e.kind==="get"||e.kind==="set"){return[e.kind,ft(),this.generatePropertyKey(e.key,e.computed),this.generateFunctionBody(e.value)]}if(e.shorthand){return this.generatePropertyKey(e.key,e.computed)}if(e.method){return[kt(e),this.generatePropertyKey(e.key,e.computed),this.generateFunctionBody(e.value)]}return[this.generatePropertyKey(e.key,e.computed),":"+v,this.generateExpression(e.value,i.Assignment,q)]},ObjectExpression:function(e,t,n){var r,o,s,a=this;if(!e.properties.length){return"{}"}r=e.properties.length>1;ht(function(){s=a.generateExpression(e.properties[0],i.Sequence,q)});if(!r){if(!X(lt(s).toString())){return["{",v,s,v,"}"]}}ht(function(t){var n,u;o=["{",y,t,s];if(r){o.push(","+y);for(n=1,u=e.properties.length;n<u;++n){o.push(t);o.push(a.generateExpression(e.properties[n],i.Sequence,q));if(n+1<u){o.push(","+y)}}}});if(!Q(lt(o).toString())){o.push(y)}o.push(f);o.push("}");return o},ObjectPattern:function(e,t,n){var o,s,a,u,l,c=this;if(!e.properties.length){return"{}"}u=false;if(e.properties.length===1){l=e.properties[0];if(l.value.type!==r.Identifier){u=true}}else{for(s=0,a=e.properties.length;s<a;++s){l=e.properties[s];if(!l.shorthand){u=true;break}}}o=["{",u?y:""];ht(function(t){var n,r;for(n=0,r=e.properties.length;n<r;++n){o.push(u?t:"");o.push(c.generateExpression(e.properties[n],i.Sequence,q));if(n+1<r){o.push(","+(u?y:v))}}});if(u&&!Q(lt(o).toString())){o.push(y)}o.push(u?f:"");o.push("}");return o},ThisExpression:function(e,t,n){return"this"},Identifier:function(e,t,n){return Et(e)},ImportDefaultSpecifier:function(e,t,n){return Et(e.id)},ImportNamespaceSpecifier:function(e,t,n){var r=["*"];if(e.id){r.push(v+"as"+ft()+Et(e.id))}return r},ImportSpecifier:function(e,t,n){return this.ExportSpecifier(e,t,n)},ExportSpecifier:function(e,t,n){var r=[e.id.name];if(e.name){r.push(ft()+"as"+ft()+Et(e.name))}return r},Literal:function(e,t,n){var i;if(e.hasOwnProperty("raw")&&_&&E.raw){try{i=_(e.raw).body[0].expression;if(i.type===r.Literal){if(i.value===e.value){return e.raw}}}catch(o){}}if(e.value===null){return"null"}if(typeof e.value==="string"){return at(e.value)}if(typeof e.value==="number"){return tt(e.value)}if(typeof e.value==="boolean"){return e.value?"true":"false"}return rt(e.value)},GeneratorExpression:function(e,t,n){return this.ComprehensionExpression(e,t,n)},ComprehensionExpression:function(e,t,n){var o,s,a,u,l=this;o=e.type===r.GeneratorExpression?["("]:["["];if(E.moz.comprehensionExpressionStartsWithAssignment){u=this.generateExpression(e.body,i.Assignment,q);o.push(u)}if(e.blocks){ht(function(){for(s=0,a=e.blocks.length;s<a;++s){u=l.generateExpression(e.blocks[s],i.Sequence,q);if(s>0||E.moz.comprehensionExpressionStartsWithAssignment){o=ct(o,u)}else{o.push(u)}}})}if(e.filter){o=ct(o,"if"+v);u=this.generateExpression(e.filter,i.Sequence,q);o=ct(o,["(",u,")"])}if(!E.moz.comprehensionExpressionStartsWithAssignment){u=this.generateExpression(e.body,i.Assignment,q);o=ct(o,u)}o.push(e.type===r.GeneratorExpression?")":"]");return o},ComprehensionBlock:function(e,t,n){var o;if(e.left.type===r.VariableDeclaration){o=[e.left.kind,ft(),this.generateStatement(e.left.declarations[0],Y)]}else{o=this.generateExpression(e.left,i.Call,q)}o=ct(o,e.of?"of":"in");o=ct(o,this.generateExpression(e.right,i.Sequence,q));return["for"+v+"(",o,")"]},SpreadElement:function(e,t,n){return["...",this.generateExpression(e.argument,i.Assignment,q)]},TaggedTemplateExpression:function(e,t,n){var r=N;if(!(n&D)){r=U}var o=[this.generateExpression(e.tag,i.Call,r),this.generateExpression(e.quasi,i.Primary,z)];return St(o,i.TaggedTemplate,t)},TemplateElement:function(e,t,n){return e.value.raw},TemplateLiteral:function(e,t,n){var r,o,s;r=["`"];for(o=0,s=e.quasis.length;o<s;++o){r.push(this.generateExpression(e.quasis[o],i.Primary,q));if(o+1<s){r.push("${"+v);r.push(this.generateExpression(e.expressions[o],i.Sequence,q));r.push(v+"}")}}r.push("`");return r},ModuleSpecifier:function(e,t,n){return this.Literal(e,t,n)}};Z(xt.prototype,xt.Expression);xt.prototype.generateExpression=function(e,t,n){var i,o;o=e.type||r.Property;if(E.verbatim&&e.hasOwnProperty(E.verbatim)){return wt(e,t)}i=this[o](e,t,n);if(E.comment){i=yt(e,i)}return lt(i,e)};xt.prototype.generateStatement=function(e,t){var n,i;n=this[e.type](e,t);if(E.comment){n=yt(e,n)}i=lt(n).toString();if(e.type===r.Program&&!w&&y===""&&i.charAt(i.length-1)==="\n"){n=C?lt(n).replaceRight(/\s+$/,""):i.replace(/\s+$/,"")}return lt(n,e)};function At(e){var t;t=new xt;if(O(e)){return t.generateStatement(e,V)}if(P(e)){return t.generateExpression(e,i.Sequence,q)}throw new Error("Unknown node type: "+e.type)}function It(r,i){var o=H(),a,u;if(i!=null){if(typeof i.indent==="string"){o.format.indent.style=i.indent}if(typeof i.base==="number"){o.format.indent.base=i.base}i=et(o,i);c=i.format.indent.style;if(typeof 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i(){this._array=[];this._set={}}i.fromArray=function o(e,t){var n=new i;for(var r=0,o=e.length;r<o;r++){n.add(e[r],t)}return n};i.prototype.add=function s(e,t){var n=this.has(e);var i=this._array.length;if(!n||t){this._array.push(e)}if(!n){this._set[r.toSetString(e)]=i}};i.prototype.has=function a(e){return Object.prototype.hasOwnProperty.call(this._set,r.toSetString(e))};i.prototype.indexOf=function u(e){if(this.has(e)){return this._set[r.toSetString(e)]}throw new Error('"'+e+'" is not in the set.')};i.prototype.at=function l(e){if(e>=0&&e<this._array.length){return this._array[e]}throw new Error("No element indexed by "+e)};i.prototype.toArray=function f(){return this._array.slice()};t.ArraySet=i})},{"./util":43,amdefine:44}],36:[function(e,t,n){if(typeof r!=="function"){var r=e("amdefine")(t,e)}r(function(e,t,n){var r=e("./base64");var i=5;var o=1<<i;var s=o-1;var a=o;function u(e){return e<0?(-e<<1)+1:(e<<1)+0}function l(e){var t=(e&1)===1;var n=e>>1;return t?-n:n}t.encode=function f(e){var t="";var n;var o=u(e);do{n=o&s;o>>>=i;if(o>0){n|=a}t+=r.encode(n)}while(o>0);return t};t.decode=function c(e,t){var n=0;var o=e.length;var u=0;var f=0;var c,p;do{if(n>=o){throw new Error("Expected more digits in base 64 VLQ value.")}p=r.decode(e.charAt(n++));c=!!(p&a);p&=s;u=u+(p<<f);f+=i}while(c);t.value=l(u);t.rest=e.slice(n)}})},{"./base64":37,amdefine:44}],37:[function(e,t,n){if(typeof r!=="function"){var r=e("amdefine")(t,e)}r(function(e,t,n){var r={};var i={};"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".split("").forEach(function(e,t){r[e]=t;i[t]=e});t.encode=function o(e){if(e in i){return i[e]}throw new TypeError("Must be between 0 and 63: "+e)};t.decode=function s(e){if(e in r){return r[e]}throw new TypeError("Not a valid base 64 digit: "+e)
+}})},{amdefine:44}],38:[function(e,t,n){if(typeof r!=="function"){var r=e("amdefine")(t,e)}r(function(e,t,n){function r(e,t,n,i,o){var s=Math.floor((t-e)/2)+e;var a=o(n,i[s],true);if(a===0){return s}else if(a>0){if(t-s>1){return r(s,t,n,i,o)}return s}else{if(s-e>1){return r(e,s,n,i,o)}return e<0?-1:e}}t.search=function i(e,t,n){if(t.length===0){return-1}return r(-1,t.length,e,t,n)}})},{amdefine:44}],39:[function(e,t,n){if(typeof r!=="function"){var r=e("amdefine")(t,e)}r(function(e,t,n){var r=e("./util");function i(e,t){var n=e.generatedLine;var i=t.generatedLine;var o=e.generatedColumn;var s=t.generatedColumn;return i>n||i==n&&s>=o||r.compareByGeneratedPositions(e,t)<=0}function o(){this._array=[];this._sorted=true;this._last={generatedLine:-1,generatedColumn:0}}o.prototype.unsortedForEach=function s(e,t){this._array.forEach(e,t)};o.prototype.add=function a(e){var t;if(i(this._last,e)){this._last=e;this._array.push(e)}else{this._sorted=false;this._array.push(e)}};o.prototype.toArray=function u(){if(!this._sorted){this._array.sort(r.compareByGeneratedPositions);this._sorted=true}return this._array};t.MappingList=o})},{"./util":43,amdefine:44}],40:[function(e,t,n){if(typeof r!=="function"){var r=e("amdefine")(t,e)}r(function(e,t,n){var r=e("./util");var i=e("./binary-search");var o=e("./array-set").ArraySet;var s=e("./base64-vlq");function a(e){var t=e;if(typeof e==="string"){t=JSON.parse(e.replace(/^\)\]\}'/,""))}var n=r.getArg(t,"version");var i=r.getArg(t,"sources");var s=r.getArg(t,"names",[]);var a=r.getArg(t,"sourceRoot",null);var u=r.getArg(t,"sourcesContent",null);var l=r.getArg(t,"mappings");var f=r.getArg(t,"file",null);if(n!=this._version){throw new Error("Unsupported version: "+n)}i=i.map(r.normalize);this._names=o.fromArray(s,true);this._sources=o.fromArray(i,true);this.sourceRoot=a;this.sourcesContent=u;this._mappings=l;this.file=f}a.fromSourceMap=function u(e){var t=Object.create(a.prototype);t._names=o.fromArray(e._names.toArray(),true);t._sources=o.fromArray(e._sources.toArray(),true);t.sourceRoot=e._sourceRoot;t.sourcesContent=e._generateSourcesContent(t._sources.toArray(),t.sourceRoot);t.file=e._file;t.__generatedMappings=e._mappings.toArray().slice();t.__originalMappings=e._mappings.toArray().slice().sort(r.compareByOriginalPositions);return t};a.prototype._version=3;Object.defineProperty(a.prototype,"sources",{get:function(){return this._sources.toArray().map(function(e){return this.sourceRoot!=null?r.join(this.sourceRoot,e):e},this)}});a.prototype.__generatedMappings=null;Object.defineProperty(a.prototype,"_generatedMappings",{get:function(){if(!this.__generatedMappings){this.__generatedMappings=[];this.__originalMappings=[];this._parseMappings(this._mappings,this.sourceRoot)}return this.__generatedMappings}});a.prototype.__originalMappings=null;Object.defineProperty(a.prototype,"_originalMappings",{get:function(){if(!this.__originalMappings){this.__generatedMappings=[];this.__originalMappings=[];this._parseMappings(this._mappings,this.sourceRoot)}return this.__originalMappings}});a.prototype._nextCharIsMappingSeparator=function l(e){var t=e.charAt(0);return t===";"||t===","};a.prototype._parseMappings=function f(e,t){var n=1;var i=0;var o=0;var a=0;var u=0;var l=0;var f=e;var c={};var p;while(f.length>0){if(f.charAt(0)===";"){n++;f=f.slice(1);i=0}else if(f.charAt(0)===","){f=f.slice(1)}else{p={};p.generatedLine=n;s.decode(f,c);p.generatedColumn=i+c.value;i=p.generatedColumn;f=c.rest;if(f.length>0&&!this._nextCharIsMappingSeparator(f)){s.decode(f,c);p.source=this._sources.at(u+c.value);u+=c.value;f=c.rest;if(f.length===0||this._nextCharIsMappingSeparator(f)){throw new Error("Found a source, but no line and column")}s.decode(f,c);p.originalLine=o+c.value;o=p.originalLine;p.originalLine+=1;f=c.rest;if(f.length===0||this._nextCharIsMappingSeparator(f)){throw new Error("Found a source and line, but no column")}s.decode(f,c);p.originalColumn=a+c.value;a=p.originalColumn;f=c.rest;if(f.length>0&&!this._nextCharIsMappingSeparator(f)){s.decode(f,c);p.name=this._names.at(l+c.value);l+=c.value;f=c.rest}}this.__generatedMappings.push(p);if(typeof p.originalLine==="number"){this.__originalMappings.push(p)}}}this.__generatedMappings.sort(r.compareByGeneratedPositions);this.__originalMappings.sort(r.compareByOriginalPositions)};a.prototype._findMapping=function c(e,t,n,r,o){if(e[n]<=0){throw new TypeError("Line must be greater than or equal to 1, got "+e[n])}if(e[r]<0){throw new TypeError("Column must be greater than or equal to 0, got "+e[r])}return i.search(e,t,o)};a.prototype.computeColumnSpans=function p(){for(var e=0;e<this._generatedMappings.length;++e){var t=this._generatedMappings[e];if(e+1<this._generatedMappings.length){var n=this._generatedMappings[e+1];if(t.generatedLine===n.generatedLine){t.lastGeneratedColumn=n.generatedColumn-1;continue}}t.lastGeneratedColumn=Infinity}};a.prototype.originalPositionFor=function h(e){var t={generatedLine:r.getArg(e,"line"),generatedColumn:r.getArg(e,"column")};var n=this._findMapping(t,this._generatedMappings,"generatedLine","generatedColumn",r.compareByGeneratedPositions);if(n>=0){var i=this._generatedMappings[n];if(i.generatedLine===t.generatedLine){var o=r.getArg(i,"source",null);if(o!=null&&this.sourceRoot!=null){o=r.join(this.sourceRoot,o)}return{source:o,line:r.getArg(i,"originalLine",null),column:r.getArg(i,"originalColumn",null),name:r.getArg(i,"name",null)}}}return{source:null,line:null,column:null,name:null}};a.prototype.sourceContentFor=function m(e){if(!this.sourcesContent){return null}if(this.sourceRoot!=null){e=r.relative(this.sourceRoot,e)}if(this._sources.has(e)){return this.sourcesContent[this._sources.indexOf(e)]}var t;if(this.sourceRoot!=null&&(t=r.urlParse(this.sourceRoot))){var n=e.replace(/^file:\/\//,"");if(t.scheme=="file"&&this._sources.has(n)){return this.sourcesContent[this._sources.indexOf(n)]}if((!t.path||t.path=="/")&&this._sources.has("/"+e)){return this.sourcesContent[this._sources.indexOf("/"+e)]}}throw new Error('"'+e+'" is not in the SourceMap.')};a.prototype.generatedPositionFor=function d(e){var t={source:r.getArg(e,"source"),originalLine:r.getArg(e,"line"),originalColumn:r.getArg(e,"column")};if(this.sourceRoot!=null){t.source=r.relative(this.sourceRoot,t.source)}var n=this._findMapping(t,this._originalMappings,"originalLine","originalColumn",r.compareByOriginalPositions);if(n>=0){var i=this._originalMappings[n];return{line:r.getArg(i,"generatedLine",null),column:r.getArg(i,"generatedColumn",null),lastColumn:r.getArg(i,"lastGeneratedColumn",null)}}return{line:null,column:null,lastColumn:null}};a.prototype.allGeneratedPositionsFor=function g(e){var t={source:r.getArg(e,"source"),originalLine:r.getArg(e,"line"),originalColumn:Infinity};if(this.sourceRoot!=null){t.source=r.relative(this.sourceRoot,t.source)}var n=[];var i=this._findMapping(t,this._originalMappings,"originalLine","originalColumn",r.compareByOriginalPositions);if(i>=0){var o=this._originalMappings[i];while(o&&o.originalLine===t.originalLine){n.push({line:r.getArg(o,"generatedLine",null),column:r.getArg(o,"generatedColumn",null),lastColumn:r.getArg(o,"lastGeneratedColumn",null)});o=this._originalMappings[--i]}}return n.reverse()};a.GENERATED_ORDER=1;a.ORIGINAL_ORDER=2;a.prototype.eachMapping=function y(e,t,n){var i=t||null;var o=n||a.GENERATED_ORDER;var s;switch(o){case a.GENERATED_ORDER:s=this._generatedMappings;break;case a.ORIGINAL_ORDER:s=this._originalMappings;break;default:throw new Error("Unknown order of iteration.")}var u=this.sourceRoot;s.map(function(e){var t=e.source;if(t!=null&&u!=null){t=r.join(u,t)}return{source:t,generatedLine:e.generatedLine,generatedColumn:e.generatedColumn,originalLine:e.originalLine,originalColumn:e.originalColumn,name:e.name}}).forEach(e,i)};t.SourceMapConsumer=a})},{"./array-set":35,"./base64-vlq":36,"./binary-search":38,"./util":43,amdefine:44}],41:[function(e,t,n){if(typeof r!=="function"){var r=e("amdefine")(t,e)}r(function(e,t,n){var r=e("./base64-vlq");var i=e("./util");var o=e("./array-set").ArraySet;var s=e("./mapping-list").MappingList;function a(e){if(!e){e={}}this._file=i.getArg(e,"file",null);this._sourceRoot=i.getArg(e,"sourceRoot",null);this._skipValidation=i.getArg(e,"skipValidation",false);this._sources=new o;this._names=new o;this._mappings=new s;this._sourcesContents=null}a.prototype._version=3;a.fromSourceMap=function u(e){var t=e.sourceRoot;var n=new a({file:e.file,sourceRoot:t});e.eachMapping(function(e){var r={generated:{line:e.generatedLine,column:e.generatedColumn}};if(e.source!=null){r.source=e.source;if(t!=null){r.source=i.relative(t,r.source)}r.original={line:e.originalLine,column:e.originalColumn};if(e.name!=null){r.name=e.name}}n.addMapping(r)});e.sources.forEach(function(t){var r=e.sourceContentFor(t);if(r!=null){n.setSourceContent(t,r)}});return n};a.prototype.addMapping=function l(e){var t=i.getArg(e,"generated");var n=i.getArg(e,"original",null);var r=i.getArg(e,"source",null);var o=i.getArg(e,"name",null);if(!this._skipValidation){this._validateMapping(t,n,r,o)}if(r!=null&&!this._sources.has(r)){this._sources.add(r)}if(o!=null&&!this._names.has(o)){this._names.add(o)}this._mappings.add({generatedLine:t.line,generatedColumn:t.column,originalLine:n!=null&&n.line,originalColumn:n!=null&&n.column,source:r,name:o})};a.prototype.setSourceContent=function f(e,t){var n=e;if(this._sourceRoot!=null){n=i.relative(this._sourceRoot,n)}if(t!=null){if(!this._sourcesContents){this._sourcesContents={}}this._sourcesContents[i.toSetString(n)]=t}else if(this._sourcesContents){delete this._sourcesContents[i.toSetString(n)];if(Object.keys(this._sourcesContents).length===0){this._sourcesContents=null}}};a.prototype.applySourceMap=function c(e,t,n){var r=t;if(t==null){if(e.file==null){throw new Error("SourceMapGenerator.prototype.applySourceMap requires either an explicit source file, "+'or the source map\'s "file" property. Both were omitted.')}r=e.file}var s=this._sourceRoot;if(s!=null){r=i.relative(s,r)}var a=new o;var u=new o;this._mappings.unsortedForEach(function(t){if(t.source===r&&t.originalLine!=null){var o=e.originalPositionFor({line:t.originalLine,column:t.originalColumn});if(o.source!=null){t.source=o.source;if(n!=null){t.source=i.join(n,t.source)}if(s!=null){t.source=i.relative(s,t.source)}t.originalLine=o.line;t.originalColumn=o.column;if(o.name!=null){t.name=o.name}}}var l=t.source;if(l!=null&&!a.has(l)){a.add(l)}var f=t.name;if(f!=null&&!u.has(f)){u.add(f)}},this);this._sources=a;this._names=u;e.sources.forEach(function(t){var r=e.sourceContentFor(t);if(r!=null){if(n!=null){t=i.join(n,t)}if(s!=null){t=i.relative(s,t)}this.setSourceContent(t,r)}},this)};a.prototype._validateMapping=function p(e,t,n,r){if(e&&"line"in e&&"column"in e&&e.line>0&&e.column>=0&&!t&&!n&&!r){return}else if(e&&"line"in e&&"column"in e&&t&&"line"in t&&"column"in t&&e.line>0&&e.column>=0&&t.line>0&&t.column>=0&&n){return}else{throw new Error("Invalid mapping: "+JSON.stringify({generated:e,source:n,original:t,name:r}))}};a.prototype._serializeMappings=function h(){var e=0;var t=1;var n=0;var o=0;var s=0;var a=0;var u="";var l;var f=this._mappings.toArray();for(var c=0,p=f.length;c<p;c++){l=f[c];if(l.generatedLine!==t){e=0;while(l.generatedLine!==t){u+=";";t++}}else{if(c>0){if(!i.compareByGeneratedPositions(l,f[c-1])){continue}u+=","}}u+=r.encode(l.generatedColumn-e);e=l.generatedColumn;if(l.source!=null){u+=r.encode(this._sources.indexOf(l.source)-a);a=this._sources.indexOf(l.source);u+=r.encode(l.originalLine-1-o);o=l.originalLine-1;u+=r.encode(l.originalColumn-n);n=l.originalColumn;if(l.name!=null){u+=r.encode(this._names.indexOf(l.name)-s);s=this._names.indexOf(l.name)}}}return u};a.prototype._generateSourcesContent=function m(e,t){return e.map(function(e){if(!this._sourcesContents){return null}if(t!=null){e=i.relative(t,e)}var n=i.toSetString(e);return Object.prototype.hasOwnProperty.call(this._sourcesContents,n)?this._sourcesContents[n]:null},this)};a.prototype.toJSON=function d(){var e={version:this._version,sources:this._sources.toArray(),names:this._names.toArray(),mappings:this._serializeMappings()};if(this._file!=null){e.file=this._file}if(this._sourceRoot!=null){e.sourceRoot=this._sourceRoot}if(this._sourcesContents){e.sourcesContent=this._generateSourcesContent(e.sources,e.sourceRoot)}return e};a.prototype.toString=function g(){return JSON.stringify(this)};t.SourceMapGenerator=a})},{"./array-set":35,"./base64-vlq":36,"./mapping-list":39,"./util":43,amdefine:44}],42:[function(e,t,n){if(typeof r!=="function"){var r=e("amdefine")(t,e)}r(function(e,t,n){var r=e("./source-map-generator").SourceMapGenerator;var i=e("./util");var o=/(\r?\n)/;var s=10;var a="$$$isSourceNode$$$";function u(e,t,n,r,i){this.children=[];this.sourceContents={};this.line=e==null?null:e;this.column=t==null?null:t;this.source=n==null?null:n;this.name=i==null?null:i;this[a]=true;if(r!=null)this.add(r)}u.fromStringWithSourceMap=function l(e,t,n){var r=new u;var s=e.split(o);var a=function(){var e=s.shift();var t=s.shift()||"";return e+t};var l=1,f=0;var c=null;t.eachMapping(function(e){if(c!==null){if(l<e.generatedLine){var t="";p(c,a());l++;f=0}else{var n=s[0];var t=n.substr(0,e.generatedColumn-f);s[0]=n.substr(e.generatedColumn-f);f=e.generatedColumn;p(c,t);c=e;return}}while(l<e.generatedLine){r.add(a());l++}if(f<e.generatedColumn){var n=s[0];r.add(n.substr(0,e.generatedColumn));s[0]=n.substr(e.generatedColumn);f=e.generatedColumn}c=e},this);if(s.length>0){if(c){p(c,a())}r.add(s.join(""))}t.sources.forEach(function(e){var o=t.sourceContentFor(e);if(o!=null){if(n!=null){e=i.join(n,e)}r.setSourceContent(e,o)}});return r;function p(e,t){if(e===null||e.source===undefined){r.add(t)}else{var o=n?i.join(n,e.source):e.source;r.add(new u(e.originalLine,e.originalColumn,o,t,e.name))}}};u.prototype.add=function f(e){if(Array.isArray(e)){e.forEach(function(e){this.add(e)},this)}else if(e[a]||typeof e==="string"){if(e){this.children.push(e)}}else{throw new TypeError("Expected a SourceNode, string, or an array of SourceNodes and strings. Got "+e)}return this};u.prototype.prepend=function c(e){if(Array.isArray(e)){for(var t=e.length-1;t>=0;t--){this.prepend(e[t])}}else if(e[a]||typeof e==="string"){this.children.unshift(e)}else{throw new TypeError("Expected a SourceNode, string, or an array of SourceNodes and strings. Got "+e)}return this};u.prototype.walk=function p(e){var t;for(var n=0,r=this.children.length;n<r;n++){t=this.children[n];if(t[a]){t.walk(e)}else{if(t!==""){e(t,{source:this.source,line:this.line,column:this.column,name:this.name})}}}};u.prototype.join=function h(e){var t;var n;var r=this.children.length;if(r>0){t=[];for(n=0;n<r-1;n++){t.push(this.children[n]);t.push(e)}t.push(this.children[n]);this.children=t}return this};u.prototype.replaceRight=function m(e,t){var n=this.children[this.children.length-1];if(n[a]){n.replaceRight(e,t)}else if(typeof n==="string"){this.children[this.children.length-1]=n.replace(e,t)}else{this.children.push("".replace(e,t))}return this};u.prototype.setSourceContent=function d(e,t){this.sourceContents[i.toSetString(e)]=t};u.prototype.walkSourceContents=function g(e){for(var t=0,n=this.children.length;t<n;t++){if(this.children[t][a]){this.children[t].walkSourceContents(e)}}var r=Object.keys(this.sourceContents);for(var t=0,n=r.length;t<n;t++){e(i.fromSetString(r[t]),this.sourceContents[r[t]])}};u.prototype.toString=function y(){var e="";this.walk(function(t){e+=t});return e};u.prototype.toStringWithSourceMap=function v(e){var t={code:"",line:1,column:0};var n=new r(e);var i=false;var o=null;var a=null;var u=null;var l=null;this.walk(function(e,r){t.code+=e;if(r.source!==null&&r.line!==null&&r.column!==null){if(o!==r.source||a!==r.line||u!==r.column||l!==r.name){n.addMapping({source:r.source,original:{line:r.line,column:r.column},generated:{line:t.line,column:t.column},name:r.name})}o=r.source;a=r.line;u=r.column;l=r.name;i=true}else if(i){n.addMapping({generated:{line:t.line,column:t.column}});o=null;i=false}for(var f=0,c=e.length;f<c;f++){if(e.charCodeAt(f)===s){t.line++;t.column=0;if(f+1===c){o=null;i=false}else 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i=r.getArg(n,"source",null);if(i!=null&&this.sourceRoot!=null){i=r.join(this.sourceRoot,i)}return{source:i,line:r.getArg(n,"originalLine",null),column:r.getArg(n,"originalColumn",null),name:r.getArg(n,"name",null)}}return{source:null,line:null,column:null,name:null}};a.prototype.sourceContentFor=function p(e){if(!this.sourcesContent){return null}if(this.sourceRoot!=null){e=r.relative(this.sourceRoot,e)}if(this._sources.has(e)){return this.sourcesContent[this._sources.indexOf(e)]}var t;if(this.sourceRoot!=null&&(t=r.urlParse(this.sourceRoot))){var n=e.replace(/^file:\/\//,"");if(t.scheme=="file"&&this._sources.has(n)){return this.sourcesContent[this._sources.indexOf(n)]}if((!t.path||t.path=="/")&&this._sources.has("/"+e)){return this.sourcesContent[this._sources.indexOf("/"+e)]}}throw new Error('"'+e+'" is not in the SourceMap.')};a.prototype.generatedPositionFor=function h(e){var t={source:r.getArg(e,"source"),originalLine:r.getArg(e,"line"),originalColumn:r.getArg(e,"column")};if(this.sourceRoot!=null){t.source=r.relative(this.sourceRoot,t.source)}var n=this._findMapping(t,this._originalMappings,"originalLine","originalColumn",r.compareByOriginalPositions);if(n){return{line:r.getArg(n,"generatedLine",null),column:r.getArg(n,"generatedColumn",null)}}return{line:null,column:null}};a.GENERATED_ORDER=1;a.ORIGINAL_ORDER=2;a.prototype.eachMapping=function m(e,t,n){var i=t||null;var o=n||a.GENERATED_ORDER;var s;switch(o){case a.GENERATED_ORDER:s=this._generatedMappings;break;case a.ORIGINAL_ORDER:s=this._originalMappings;break;default:throw new Error("Unknown order of iteration.")}var u=this.sourceRoot;s.map(function(e){var t=e.source;if(t!=null&&u!=null){t=r.join(u,t)}return{source:t,generatedLine:e.generatedLine,generatedColumn:e.generatedColumn,originalLine:e.originalLine,originalColumn:e.originalColumn,name:e.name}}).forEach(e,i)};t.SourceMapConsumer=a})},{"./array-set":49,"./base64-vlq":50,"./binary-search":52,"./util":56,amdefine:57}],54:[function(e,t,n){if(typeof r!=="function"){var r=e("amdefine")(t,e)}r(function(e,t,n){var r=e("./base64-vlq");var i=e("./util");var o=e("./array-set").ArraySet;function s(e){if(!e){e={}}this._file=i.getArg(e,"file",null);this._sourceRoot=i.getArg(e,"sourceRoot",null);this._sources=new o;this._names=new o;this._mappings=[];this._sourcesContents=null}s.prototype._version=3;s.fromSourceMap=function a(e){var t=e.sourceRoot;var n=new s({file:e.file,sourceRoot:t});e.eachMapping(function(e){var r={generated:{line:e.generatedLine,column:e.generatedColumn}};if(e.source!=null){r.source=e.source;if(t!=null){r.source=i.relative(t,r.source)}r.original={line:e.originalLine,column:e.originalColumn};if(e.name!=null){r.name=e.name}}n.addMapping(r)});e.sources.forEach(function(t){var r=e.sourceContentFor(t);if(r!=null){n.setSourceContent(t,r)}});return n};s.prototype.addMapping=function u(e){var t=i.getArg(e,"generated");var n=i.getArg(e,"original",null);var r=i.getArg(e,"source",null);var o=i.getArg(e,"name",null);this._validateMapping(t,n,r,o);if(r!=null&&!this._sources.has(r)){this._sources.add(r)}if(o!=null&&!this._names.has(o)){this._names.add(o)}this._mappings.push({generatedLine:t.line,generatedColumn:t.column,originalLine:n!=null&&n.line,originalColumn:n!=null&&n.column,source:r,name:o})};s.prototype.setSourceContent=function l(e,t){var n=e;if(this._sourceRoot!=null){n=i.relative(this._sourceRoot,n)}if(t!=null){if(!this._sourcesContents){this._sourcesContents={}}this._sourcesContents[i.toSetString(n)]=t}else{delete this._sourcesContents[i.toSetString(n)];if(Object.keys(this._sourcesContents).length===0){this._sourcesContents=null}}};s.prototype.applySourceMap=function f(e,t,n){var r=t;if(t==null){if(e.file==null){throw new Error("SourceMapGenerator.prototype.applySourceMap requires either an explicit source file, "+'or the source map\'s "file" property. Both were omitted.')}r=e.file}var s=this._sourceRoot;if(s!=null){r=i.relative(s,r)}var a=new o;var u=new o;this._mappings.forEach(function(t){if(t.source===r&&t.originalLine!=null){var o=e.originalPositionFor({line:t.originalLine,column:t.originalColumn});if(o.source!=null){t.source=o.source;if(n!=null){t.source=i.join(n,t.source)}if(s!=null){t.source=i.relative(s,t.source)}t.originalLine=o.line;t.originalColumn=o.column;if(o.name!=null&&t.name!=null){t.name=o.name}}}var l=t.source;if(l!=null&&!a.has(l)){a.add(l)}var f=t.name;if(f!=null&&!u.has(f)){u.add(f)}},this);this._sources=a;this._names=u;e.sources.forEach(function(t){var r=e.sourceContentFor(t);if(r!=null){if(n!=null){t=i.join(n,t)}if(s!=null){t=i.relative(s,t)}this.setSourceContent(t,r)}},this)};s.prototype._validateMapping=function c(e,t,n,r){if(e&&"line"in e&&"column"in e&&e.line>0&&e.column>=0&&!t&&!n&&!r){return}else if(e&&"line"in e&&"column"in e&&t&&"line"in t&&"column"in t&&e.line>0&&e.column>=0&&t.line>0&&t.column>=0&&n){return}else{throw new Error("Invalid mapping: "+JSON.stringify({generated:e,source:n,original:t,name:r}))}};s.prototype._serializeMappings=function p(){var e=0;var t=1;var n=0;var o=0;var s=0;var a=0;var u="";var l;this._mappings.sort(i.compareByGeneratedPositions);for(var f=0,c=this._mappings.length;f<c;f++){l=this._mappings[f];if(l.generatedLine!==t){e=0;while(l.generatedLine!==t){u+=";";t++}}else{if(f>0){if(!i.compareByGeneratedPositions(l,this._mappings[f-1])){continue}u+=","}}u+=r.encode(l.generatedColumn-e);e=l.generatedColumn;if(l.source!=null){u+=r.encode(this._sources.indexOf(l.source)-a);a=this._sources.indexOf(l.source);u+=r.encode(l.originalLine-1-o);o=l.originalLine-1;u+=r.encode(l.originalColumn-n);n=l.originalColumn;if(l.name!=null){u+=r.encode(this._names.indexOf(l.name)-s);s=this._names.indexOf(l.name)}}}return u};s.prototype._generateSourcesContent=function h(e,t){return e.map(function(e){if(!this._sourcesContents){return null}if(t!=null){e=i.relative(t,e)}var n=i.toSetString(e);return Object.prototype.hasOwnProperty.call(this._sourcesContents,n)?this._sourcesContents[n]:null},this)};s.prototype.toJSON=function m(){var e={version:this._version,sources:this._sources.toArray(),names:this._names.toArray(),mappings:this._serializeMappings()};if(this._file!=null){e.file=this._file}if(this._sourceRoot!=null){e.sourceRoot=this._sourceRoot}if(this._sourcesContents){e.sourcesContent=this._generateSourcesContent(e.sources,e.sourceRoot)}return e};s.prototype.toString=function d(){return JSON.stringify(this)};t.SourceMapGenerator=s})},{"./array-set":49,"./base64-vlq":50,"./util":56,amdefine:57}],55:[function(e,t,n){if(typeof r!=="function"){var r=e("amdefine")(t,e)}r(function(e,t,n){var r=e("./source-map-generator").SourceMapGenerator;var i=e("./util");var o=/(\r?\n)/;var s=/\r\n|[\s\S]/g;function a(e,t,n,r,i){this.children=[];this.sourceContents={};this.line=e==null?null:e;this.column=t==null?null:t;this.source=n==null?null:n;this.name=i==null?null:i;if(r!=null)this.add(r)}a.fromStringWithSourceMap=function u(e,t,n){var r=new a;var s=e.split(o);var u=function(){var e=s.shift();var t=s.shift()||"";return e+t};var l=1,f=0;var c=null;t.eachMapping(function(e){if(c!==null){if(l<e.generatedLine){var t="";p(c,u());l++;f=0}else{var n=s[0];var t=n.substr(0,e.generatedColumn-f);s[0]=n.substr(e.generatedColumn-f);f=e.generatedColumn;p(c,t);c=e;return}}while(l<e.generatedLine){r.add(u());l++}if(f<e.generatedColumn){var n=s[0];r.add(n.substr(0,e.generatedColumn));s[0]=n.substr(e.generatedColumn);f=e.generatedColumn}c=e},this);if(s.length>0){if(c){p(c,u())}r.add(s.join(""))}t.sources.forEach(function(e){var o=t.sourceContentFor(e);if(o!=null){if(n!=null){e=i.join(n,e)}r.setSourceContent(e,o)}});return r;function p(e,t){if(e===null||e.source===undefined){r.add(t)}else{var o=n?i.join(n,e.source):e.source;r.add(new a(e.originalLine,e.originalColumn,o,t,e.name))}}};a.prototype.add=function l(e){if(Array.isArray(e)){e.forEach(function(e){this.add(e)},this)}else if(e instanceof a||typeof e==="string"){if(e){this.children.push(e)}}else{throw new TypeError("Expected a SourceNode, string, or an array of SourceNodes and strings. Got "+e)}return this};a.prototype.prepend=function f(e){if(Array.isArray(e)){for(var t=e.length-1;t>=0;t--){this.prepend(e[t])}}else if(e instanceof a||typeof e==="string"){this.children.unshift(e)}else{throw new TypeError("Expected a SourceNode, string, or an array of SourceNodes and strings. Got "+e)}return this};a.prototype.walk=function c(e){var t;for(var n=0,r=this.children.length;n<r;n++){t=this.children[n];if(t instanceof a){t.walk(e)}else{if(t!==""){e(t,{source:this.source,line:this.line,column:this.column,name:this.name})}}}};a.prototype.join=function p(e){var t;var n;var r=this.children.length;if(r>0){t=[];for(n=0;n<r-1;n++){t.push(this.children[n]);t.push(e)}t.push(this.children[n]);this.children=t}return this};a.prototype.replaceRight=function h(e,t){var n=this.children[this.children.length-1];if(n instanceof a){n.replaceRight(e,t)}else if(typeof n==="string"){this.children[this.children.length-1]=n.replace(e,t)}else{this.children.push("".replace(e,t))}return this};a.prototype.setSourceContent=function m(e,t){this.sourceContents[i.toSetString(e)]=t};a.prototype.walkSourceContents=function d(e){for(var t=0,n=this.children.length;t<n;t++){if(this.children[t]instanceof a){this.children[t].walkSourceContents(e)}}var r=Object.keys(this.sourceContents);for(var t=0,n=r.length;t<n;t++){e(i.fromSetString(r[t]),this.sourceContents[r[t]])}};a.prototype.toString=function g(){var e="";this.walk(function(t){e+=t});return e};a.prototype.toStringWithSourceMap=function y(e){var t={code:"",line:1,column:0};var n=new r(e);var i=false;var a=null;var u=null;var l=null;var f=null;this.walk(function(e,r){t.code+=e;if(r.source!==null&&r.line!==null&&r.column!==null){if(a!==r.source||u!==r.line||l!==r.column||f!==r.name){n.addMapping({source:r.source,original:{line:r.line,column:r.column},generated:{line:t.line,column:t.column},name:r.name})}a=r.source;u=r.line;l=r.column;f=r.name;i=true}else if(i){n.addMapping({generated:{line:t.line,column:t.column}});a=null;i=false}e.match(s).forEach(function(e,s,u){if(o.test(e)){t.line++;t.column=0;if(s+1===u.length){a=null;i=false}else if(i){n.addMapping({source:r.source,original:{line:r.line,column:r.column},generated:{line:t.line,column:t.column},name:r.name})}}else{t.column+=e.length}})});this.walkSourceContents(function(e,t){n.setSourceContent(e,t)});return{code:t.code,map:n}};t.SourceNode=a})},{"./source-map-generator":54,"./util":56,amdefine:57}],56:[function(e,t,n){arguments[4][43][0].apply(n,arguments)},{amdefine:57}],57:[function(e,t,n){(function(n,r){"use strict";function i(t,i){"use strict";var o={},s={},a=false,u=e("path"),l,f;function c(e){var t,n;for(t=0;e[t];t+=1){n=e[t];if(n==="."){e.splice(t,1);t-=1}else if(n===".."){if(t===1&&(e[2]===".."||e[0]==="..")){break}else if(t>0){e.splice(t-1,2);t-=2}}}}function p(e,t){var n;if(e&&e.charAt(0)==="."){if(t){n=t.split("/");n=n.slice(0,n.length-1);n=n.concat(e.split("/"));c(n);e=n.join("/")}}return e}function h(e){return function(t){return p(t,e)}}function m(e){function t(t){s[e]=t}t.fromText=function(e,t){throw new Error("amdefine does not implement load.fromText")};return t}l=function(e,t,r,i){function o(o,s){if(typeof o==="string"){return f(e,t,r,o,i)}else{o=o.map(function(n){return f(e,t,r,n,i)});n.nextTick(function(){s.apply(null,o)})}}o.toUrl=function(e){if(e.indexOf(".")===0){return p(e,u.dirname(r.filename))}else{return e}};return o};i=i||function y(){return t.require.apply(t,arguments)};function d(e,n,o){var u,f,c,p;if(e){f=s[e]={};c={id:e,uri:r,exports:f};u=l(i,f,c,e)}else{if(a){throw new Error("amdefine with no module ID cannot be called more than once per file.")}a=true;f=t.exports;c=t;u=l(i,f,c,t.id)}if(n){n=n.map(function(e){return u(e)})}if(typeof o==="function"){p=o.apply(c.exports,n)}else{p=o}if(p!==undefined){c.exports=p;if(e){s[e]=c.exports}}}f=function(e,t,n,r,i){var a=r.indexOf("!"),u=r,c,g;if(a===-1){r=p(r,i);if(r==="require"){return l(e,t,n,i)}else if(r==="exports"){return t}else if(r==="module"){return n}else if(s.hasOwnProperty(r)){return s[r]}else if(o[r]){d.apply(null,o[r]);return s[r]}else{if(e){return e(u)}else{throw new Error("No module with ID: "+r)}}}else{c=r.substring(0,a);r=r.substring(a+1,r.length);g=f(e,t,n,c,i);if(g.normalize){r=g.normalize(r,h(i))}else{r=p(r,i)}if(s[r]){return s[r]}else{g.load(r,l(e,t,n,i),m(r),{});return s[r]}}};function g(e,t,n){if(Array.isArray(e)){n=t;t=e;e=undefined}else if(typeof e!=="string"){n=e;e=t=undefined}if(t&&!Array.isArray(t)){n=t;t=undefined}if(!t){t=["require","exports","module"]}if(e){o[e]=[e,t,n]}else{d(e,t,n)}}g.require=function(e){if(s[e]){return s[e]}if(o[e]){d.apply(null,o[e]);return s[e]}};g.amd={};return g}t.exports=i}).call(this,e("_process"),"/node_modules/source-map/node_modules/amdefine/amdefine.js")},{_process:26,path:25}],58:[function(e,t,n){t.exports={name:"js2coffee",version:"2.1.0",description:"JavaScript to CoffeeScript compiler",homepage:"http://js2.coffee",main:"dist/js2coffee.js",keywords:["javascript","coffeescript","language","compiler"],scripts:{test:"mocha",autotest:"mocha -R min -b --watch",prepublish:"mocha >/dev/null && make -B dist"},author:"Rico Sta. Cruz <hi@ricostacruz.com>",license:"MIT",bugs:{url:"https://github.com/js2coffee/js2coffee/issues"},repository:{type:"git",url:"https://github.com/js2coffee/js2coffee.git"},browser:"js2coffee.coffee",bin:{js2coffee:"./bin/js2coffee"},dependencies:{escodegen:"^1.6.0",esprima:"^2.4.0",estraverse:"^1.9.1",minimist:"^1.1.0","read-input":"^0.2.0","source-map":"^0.1.38"},devDependencies:{browserify:"^5.10.1",chai:"^1.9.1","coffee-script":"^1.8.0",coffeeify:"^1.0.0",coffeelint:"^1.6.0",glob:"^4.0.5","js-yaml":"^3.2.1",mocha:"^2.1.0","mocha-clean":"^0.4.0","uglify-js":"^2.4.16",underscore:"^1.7.0"}}},{}]},{},[1])(1)});
\ No newline at end of file
diff --git a/content/src/controller.js b/content/src/controller.js
index 8efc7c72..fbcc72fb 100644
--- a/content/src/controller.js
+++ b/content/src/controller.js
@@ -14,7 +14,8 @@ var $                = require('jquery'),
     pencilTracer     = require('pencil-tracer'),
     icedCoffeeScript = require('iced-coffee-script'),
     drawProtractor   = require('draw-protractor'),
-    cache          = require('cache');
+    js2coffee        = require('js2coffee'),
+    cache            = require('cache');
 
 
 eval(see.scope('controller'));
@@ -1952,6 +1953,27 @@ function createNewFileIntoPosition(position, filename, text, meta) {
 }
 
 
+function changeEditorLanguage(pane, lang) {
+  var mpp = model.pane[pane];
+  var text = view.getPaneEditorData(pane).data;
+  
+  try{
+    var result;
+    if(lang == 'text/javascript') {
+      result = icedCoffeeScript.compile(text, {bare: true});
+    } else if(lang == 'text/coffeescript') {
+      result = js2coffee.build(text).code;
+    }
+    view.changePaneEditorText(pane, result);
+  } catch(err) {
+  }
+  
+}
+
+view.on('editorLanguageChanged', function(pane, lang) {
+  changeEditorLanguage(pane, lang);
+});
+
 function loadFileIntoPosition(position, filename, isdir, forcenet, cb) {
   var pane = paneatpos(position);
   var mpp = model.pane[pane];
diff --git a/content/src/view.js b/content/src/view.js
index 421a9c52..217c85d9 100644
--- a/content/src/view.js
+++ b/content/src/view.js
@@ -2208,44 +2208,15 @@ function changeEditorText(paneState, text) {
   if (text.length && text.charAt(text.length - 1) != '\n') {
     text += '\n';
   }
-  paneState.changeHandler.suppressChange = true;
-  var saved = {}, editor = paneState.editor, session = editor.session;
-  saved.selection = session.selection.toJSON()
-  saved.atend = session.selection.getCursor().row >= session.getLength() - 1;
-  saved.folds = session.getAllFolds().map(function(fold) {
-    return {
-      start       : fold.start,
-      end         : fold.end,
-      placeholder : fold.placeholder
-    };
-  });
-  saved.scrollTop = session.getScrollTop()
-  saved.scrollLeft = session.getScrollLeft()
+  var editor = paneState.editor, session = editor.session;
+  
+  session.changeHandler.suppressChange = true;
 
   // Now set the text and restore everything.
   session.setValue(text);
 
-  session.selection.fromJSON(saved.selection);
-  try {
-    saved.folds.forEach(function(fold){
-      session.addFold(fold.placeholder,
-        ace.require('ace/range').Range.fromPoints(fold.start, fold.end));
-    });
-  } catch(e) { }
-
-  session.setScrollTop(saved.scrollTop);
-  session.setScrollLeft(saved.scrollLeft);
-
-  // If the cursor used to be at the end, keep it at the end.
-  if (session.selection.isEmpty() && saved.atend) {
-    session.selection.moveCursorTo(session.getLength() - 1, 0);
-  }
-
-  // TODO: detect the case where some text is added and we should
-  // scroll down to make the changes visible.
-
-  paneState.changeHandler.suppressChange = false;
-  paneState.changeHandler();
+  session.changeHandler.suppressChange = false;
+  session.changeHandler();
 }
 
 function editorMimeType(paneState) {
@@ -2650,6 +2621,7 @@ function setupAceEditor(pane, elt, editor, mode, text) {
     // Publish the update event for hosting frame.
     if (hasSubscribers()) publish('update', [session.getValue()]);
   });
+  editor.getSession().changeHandler = changeHandler;
   $(elt).data('changeHandler', changeHandler);
   editor.getSession().on('change', changeHandler);
   // Fold any blocks with a line that ends with "# fold" or "// fold"
@@ -2736,6 +2708,10 @@ function setPaneEditorLanguageType(pane, type) {
   paneState.dropletEditor.setMode(
       dropletModeForMimeType(type),
       dropletOptionsForMimeType(type));
+  
+  //Modify the code to the changed language
+  fireEvent('editorLanguageChanged',[pane,type]);
+  
   paneState.editor.getSession().setMode(modeForMimeType(type));
   paneState.meta = filetype.effectiveMeta(paneState.meta);
   paneState.meta.type = type;
diff --git a/package.json b/package.json
index 13c918f1..25bd60e6 100644
--- a/package.json
+++ b/package.json
@@ -69,6 +69,7 @@
     "html2canvas": "./content/lib/html2canvas.js",
     "iced-coffee-script": "./content/lib/iced-coffee-script.js",
     "jquery": "./content/lib/jquery.js",
+    "js2coffee": "./content/lib/js2coffee.js",
     "palette": "./content/src/palette.js",
     "pencil-tracer": "./content/lib/pencil-tracer.js",
     "see": "./content/lib/see.js",