!function(n){"object"==typeof exports&&"object"==typeof module?n(require("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],n):n(CodeMirror)}(function(n){"use strict";function e(e,o,i,t){if(i&&i.call){var l=i;i=null}else l=r(e,i,"rangeFinder");"number"==typeof o&&(o=n.Pos(o,0));var f=r(e,i,"minFoldSize");function d(n){var r=l(e,o);if(!r||r.to.line-r.from.line<f)return null;for(var i=e.findMarksAt(r.from),d=0;d<i.length;++d)if(i[d].__isFold&&"fold"!==t){if(!n)return null;r.cleared=!0,i[d].clear()}return r}var u=d(!0);if(r(e,i,"scanUp"))for(;!u&&o.line>e.firstLine();)o=n.Pos(o.line-1,0),u=d(!1);if(u&&!u.cleared&&"unfold"!==t){var a=function(n,e){var o=r(n,e,"widget");if("string"==typeof o){var i=document.createTextNode(o);(o=document.createElement("span")).appendChild(i),o.className="CodeMirror-foldmarker"}else o&&(o=o.cloneNode(!0));return o}(e,i);n.on(a,"mousedown",function(e){c.clear(),n.e_preventDefault(e)});var c=e.markText(u.from,u.to,{replacedWith:a,clearOnEnter:r(e,i,"clearOnEnter"),__isFold:!0});c.on("clear",function(o,r){n.signal(e,"unfold",e,o,r)}),n.signal(e,"fold",e,u.from,u.to)}}n.newFoldFunction=function(n,o){return function(r,i){e(r,i,{rangeFinder:n,widget:o})}},n.defineExtension("foldCode",function(n,o,r){e(this,n,o,r)}),n.defineExtension("isFolded",function(n){for(var e=this.findMarksAt(n),o=0;o<e.length;++o)if(e[o].__isFold)return!0}),n.commands.toggleFold=function(n){n.foldCode(n.getCursor())},n.commands.fold=function(n){n.foldCode(n.getCursor(),null,"fold")},n.commands.unfold=function(n){n.foldCode(n.getCursor(),null,"unfold")},n.commands.foldAll=function(e){e.operation(function(){for(var o=e.firstLine(),r=e.lastLine();o<=r;o++)e.foldCode(n.Pos(o,0),null,"fold")})},n.commands.unfoldAll=function(e){e.operation(function(){for(var o=e.firstLine(),r=e.lastLine();o<=r;o++)e.foldCode(n.Pos(o,0),null,"unfold")})},n.registerHelper("fold","combine",function(){var n=Array.prototype.slice.call(arguments,0);return function(e,o){for(var r=0;r<n.length;++r){var i=n[r](e,o);if(i)return i}}}),n.registerHelper("fold","auto",function(n,e){for(var o=n.getHelpers(e,"fold"),r=0;r<o.length;r++){var i=o[r](n,e);if(i)return i}});var o={rangeFinder:n.fold.auto,widget:"↔",minFoldSize:0,scanUp:!1,clearOnEnter:!0};function r(n,e,r){if(e&&void 0!==e[r])return e[r];var i=n.options.foldOptions;return i&&void 0!==i[r]?i[r]:o[r]}n.defineOption("foldOptions",null),n.defineExtension("foldOption",function(n,e){return r(this,n,e)})});