BookStack/public/libs/tinymce/plugins/visualchars/plugin.min.js

tinymce.PluginManager.add("visualchars",function(a){function b(b){function c(a){return'<span data-mce-bogus="1" class="mce-'+n[a]+'">'+a+"</span>"}function f(){var a,b="";for(a in n)b+=a;return new RegExp("["+b+"]","g")}function g(){var a,b="";for(a in n)b&&(b+=","),b+="span.mce-"+n[a];return b}var h,i,j,k,l,m,n,o,p=a.getBody(),q=a.selection;if(n={"\xa0":"nbsp","\xad":"shy"},d=!d,e.state=d,a.fire("VisualChars",{state:d}),o=f(),b&&(m=q.getBookmark()),d)for(i=[],tinymce.walk(p,function(a){3==a.nodeType&&a.nodeValue&&o.test(a.nodeValue)&&i.push(a)},"childNodes"),j=0;j<i.length;j++){for(k=i[j].nodeValue,k=k.replace(o,c),l=a.dom.create("div",null,k);h=l.lastChild;)a.dom.insertAfter(h,i[j]);a.dom.remove(i[j])}else for(i=a.dom.select(g(),p),j=i.length-1;j>=0;j--)a.dom.remove(i[j],1);q.moveToBookmark(m)}function c(){var b=this;a.on("VisualChars",function(a){b.active(a.state)})}var d,e=this;a.addCommand("mceVisualChars",b),a.addButton("visualchars",{title:"Show invisible characters",cmd:"mceVisualChars",onPostRender:c}),a.addMenuItem("visualchars",{text:"Show invisible characters",cmd:"mceVisualChars",onPostRender:c,selectable:!0,context:"view",prependToContext:!0}),a.on("beforegetcontent",function(a){d&&"raw"!=a.format&&!a.draft&&(d=!0,b(!1))})});