Auto-compress javascript assets

TODO.md

@@ -5,7 +5,6 @@
 * Add file extensions ourselves to push state
 * Proper markdown highlighting
 * Better about page text
-* auto-compress assets
 * add feedback for errors to UI - esp. too long
 
 # shared version only

config.js

@@ -9,6 +9,8 @@
 
   "staticMaxAge": 86400,
 
+  "recompressStaticAssets": true,
+
   "logging": [
     {
       "level": "verbose",

package.json

@@ -20,7 +20,8 @@
 	"dependencies": {
 		"winston": "*",
     "hashlib": "*",
-    "connect": "*"
+    "connect": "*",
+    "uglify-js": "*"
 	},
 
 	"devDependencies": {

server.js

@@ -37,6 +37,26 @@ if (!config.storage.type) {
 var Store = require('./lib/' + config.storage.type + '_document_store');
 var preferredStore = new Store(config.storage);
 
+// Compress the static javascript assets
+if (config.recompressStaticAssets) {
+  var jsp = require("uglify-js").parser;
+  var pro = require("uglify-js").uglify;
+  var list = fs.readdirSync('./static');
+  for (var i = 0; i < list.length; i++) {
+    var item = list[i];
+    var orig_code, ast;
+    if ((item.indexOf('.js') === item.length - 3) && (item.indexOf('.min.js') === -1)) {
+      dest = item.substring(0, item.length - 3) + '.min' + item.substring(item.length - 3);
+      orig_code = fs.readFileSync('./static/' + item, 'utf8');
+      ast = jsp.parse(orig_code);
+      ast = pro.ast_mangle(ast);
+      ast = pro.ast_squeeze(ast);
+      fs.writeFileSync('./static/' + dest, pro.gen_code(ast), 'utf8');
+      winston.info('compressed ' + item + ' into ' + dest);
+    }
+  }
+}
+
 // Send the static documents into the preferred store, skipping expirations
 for (var name in config.documents) {
   var path = config.documents[name];

static/ZeroClipboard.min.js

@@ -0,0 +1 @@
+var ZeroClipboard={version:"1.0.7",clients:{},moviePath:"ZeroClipboard.swf",nextId:1,$:function(a){return typeof a=="string"&&(a=document.getElementById(a)),a.addClass||(a.hide=function(){this.style.display="none"},a.show=function(){this.style.display=""},a.addClass=function(a){this.removeClass(a),this.className+=" "+a},a.removeClass=function(a){var b=this.className.split(/\s+/),c=-1;for(var d=0;d<b.length;d++)b[d]==a&&(c=d,d=b.length);return c>-1&&(b.splice(c,1),this.className=b.join(" ")),this},a.hasClass=function(a){return!!this.className.match(new RegExp("\\s*"+a+"\\s*"))}),a},setMoviePath:function(a){this.moviePath=a},dispatch:function(a,b,c){var d=this.clients[a];d&&d.receiveEvent(b,c)},register:function(a,b){this.clients[a]=b},getDOMObjectPosition:function(a,b){var c={left:0,top:0,width:a.width?a.width:a.offsetWidth,height:a.height?a.height:a.offsetHeight};while(a&&a!=b)c.left+=a.offsetLeft,c.top+=a.offsetTop,a=a.offsetParent;return c},Client:function(a){this.handlers={},this.id=ZeroClipboard.nextId++,this.movieId="ZeroClipboardMovie_"+this.id,ZeroClipboard.register(this.id,this),a&&this.glue(a)}};ZeroClipboard.Client.prototype={id:0,ready:!1,movie:null,clipText:"",handCursorEnabled:!0,cssEffects:!0,handlers:null,glue:function(a,b,c){this.domElement=ZeroClipboard.$(a);var d=99;this.domElement.style.zIndex&&(d=parseInt(this.domElement.style.zIndex,10)+1),typeof b=="string"?b=ZeroClipboard.$(b):typeof b=="undefined"&&(b=document.getElementsByTagName("body")[0]);var e=ZeroClipboard.getDOMObjectPosition(this.domElement,b);this.div=document.createElement("div");var f=this.div.style;f.position="absolute",f.left=""+e.left+"px",f.top=""+e.top+"px",f.width=""+e.width+"px",f.height=""+e.height+"px",f.zIndex=d;if(typeof c=="object")for(addedStyle in c)f[addedStyle]=c[addedStyle];b.appendChild(this.div),this.div.innerHTML=this.getHTML(e.width,e.height)},getHTML:function(a,b){var c="",d="id="+this.id+"&width="+a+"&height="+b;if(navigator.userAgent.match(/MSIE/)){var e=location.href.match(/^https/i)?"https://":"http://";c+='<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="'+e+'download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" width="'+a+'" height="'+b+'" id="'+this.movieId+'" align="middle"><param name="allowScriptAccess" value="always" /><param name="allowFullScreen" value="false" /><param name="movie" value="'+ZeroClipboard.moviePath+'" /><param name="loop" value="false" /><param name="menu" value="false" /><param name="quality" value="best" /><param name="bgcolor" value="#ffffff" /><param name="flashvars" value="'+d+'"/><param name="wmode" value="transparent"/></object>'}else c+='<embed id="'+this.movieId+'" src="'+ZeroClipboard.moviePath+'" loop="false" menu="false" quality="best" bgcolor="#ffffff" width="'+a+'" height="'+b+'" name="'+this.movieId+'" align="middle" allowScriptAccess="always" allowFullScreen="false" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" flashvars="'+d+'" wmode="transparent" />';return c},hide:function(){this.div&&(this.div.style.left="-2000px")},show:function(){this.reposition()},destroy:function(){if(this.domElement&&this.div){this.hide(),this.div.innerHTML="";var a=document.getElementsByTagName("body")[0];try{a.removeChild(this.div)}catch(b){}this.domElement=null,this.div=null}},reposition:function(a){a&&(this.domElement=ZeroClipboard.$(a),this.domElement||this.hide());if(this.domElement&&this.div){var b=ZeroClipboard.getDOMObjectPosition(this.domElement),c=this.div.style;c.left=""+b.left+"px",c.top=""+b.top+"px"}},setText:function(a){this.clipText=a,this.ready&&this.movie.setText(a)},addEventListener:function(a,b){a=a.toString().toLowerCase().replace(/^on/,""),this.handlers[a]||(this.handlers[a]=[]),this.handlers[a].push(b)},setHandCursor:function(a){this.handCursorEnabled=a,this.ready&&this.movie.setHandCursor(a)},setCSSEffects:function(a){this.cssEffects=!!a},receiveEvent:function(a,b){a=a.toString().toLowerCase().replace(/^on/,"");switch(a){case"load":this.movie=document.getElementById(this.movieId);if(!this.movie){var c=this;setTimeout(function(){c.receiveEvent("load",null)},1);return}if(!this.ready&&navigator.userAgent.match(/Firefox/)&&navigator.userAgent.match(/Windows/)){var c=this;setTimeout(function(){c.receiveEvent("load",null)},100),this.ready=!0;return}this.ready=!0,this.movie.setText(this.clipText),this.movie.setHandCursor(this.handCursorEnabled);break;case"mouseover":this.domElement&&this.cssEffects&&(this.domElement.addClass("hover"),this.recoverActive&&this.domElement.addClass("active"));break;case"mouseout":this.domElement&&this.cssEffects&&(this.recoverActive=!1,this.domElement.hasClass("active")&&(this.domElement.removeClass("active"),this.recoverActive=!0),this.domElement.removeClass("hover"));break;case"mousedown":this.domElement&&this.cssEffects&&this.domElement.addClass("active");break;case"mouseup":this.domElement&&this.cssEffects&&(this.domElement.removeClass("active"),this.recoverActive=!1)}if(this.handlers[a])for(var d=0,e=this.handlers[a].length;d<e;d++){var f=this.handlers[a][d];typeof f=="function"?f(this,b):typeof f=="object"&&f.length==2?f[0][f[1]](this,b):typeof f=="string"&&window[f](this,b)}}}

static/application.min.js

@@ -0,0 +1 @@
+var haste_document=function(){this.locked=!1};haste_document.prototype.load=function(a,b,c){var d=this;$.ajax("/documents/"+a,{type:"get",dataType:"json",success:function(e){d.locked=!0,d.key=a,d.data=e.data;try{var f=c?hljs.highlight(c,e.data):hljs.highlightAuto(e.data)}catch(g){f={value:e.data,language:null}}b({value:f.value,key:a,language:f.language||c})},error:function(a){b(!1)}})},haste_document.prototype.save=function(a,b){if(this.locked)return!1;this.data=a;var c=this;$.ajax("/documents",{type:"post",data:a,dataType:"json",success:function(d){c.locked=!0,c.key=d.key;var e=hljs.highlightAuto(a);b({value:e.value,key:d.key,language:e.language})}})};var haste=function(a,b){this.appName=a,this.baseUrl=window.location.href,this.$textarea=$("textarea"),this.$box=$("#box"),this.$code=$("#box code"),this.options=b,this.configureShortcuts(),this.configureButtons(),b.twitter||$("#key .box2 .twitter").hide()};haste.prototype.setTitle=function(a){var b=a?this.appName+" - "+a:this.appName;document.title=b},haste.prototype.lightKey=function(){this.configureKey(["new","save"]),this.removeClip()},haste.prototype.fullKey=function(){this.configureKey(["new","duplicate","twitter","link"]),this.configureClip()},haste.prototype.configureKey=function(a){var b,c=0;$("#key .box2 .function").each(function(){b=$(this);for(c=0;c<a.length;c++)if(b.hasClass(a[c]))return b.addClass("enabled"),!0;b.removeClass("enabled")})},haste.prototype.newDocument=function(a){this.$box.hide(),this.doc=new haste_document,a||window.history.pushState(null,this.appName,"/"),this.setTitle(),this.lightKey(),this.$textarea.val("").show("fast",function(){this.focus()})},haste.extensionMap={rb:"ruby",py:"python",pl:"perl",php:"php",scala:"scala",go:"go",xml:"xml",html:"xml",htm:"xml",css:"css",js:"javascript",vbs:"vbscript",lua:"lua",pas:"delphi",java:"java",cpp:"cpp",cc:"cpp",m:"objectivec",vala:"vala",cs:"cs",sql:"sql",sm:"smalltalk",lisp:"lisp",ini:"ini",diff:"diff",bash:"bash",sh:"bash",tex:"tex",erl:"erlang",hs:"haskell"},haste.prototype.lookupExtension=function(a){var b=haste.extensionMap[a];return b},haste.prototype.loadDocument=function(a){var b=a.split(".",2),c=this;c.doc=new haste_document,c.doc.load(b[0],function(a){if(a){c.$code.html(a.value);var b=a.key;a.language&&(b+=" - "+a.language),c.setTitle(b),c.fullKey(),c.$textarea.val("").hide(),c.$box.show().focus()}else c.newDocument()},this.lookupExtension(b[1]))},haste.prototype.duplicateDocument=function(){if(this.doc.locked){var a=this.doc.data;this.newDocument(),this.$textarea.val(a)}},haste.prototype.lockDocument=function(){var a=this;this.doc.save(this.$textarea.val(),function(b){if(b){a.$code.html(b.value);var c=b.key;b.language&&(c+=" - "+b.language),a.setTitle(c),window.history.pushState(null,a.appName+"-"+b.key,"/"+b.key),a.fullKey(),a.$textarea.val("").hide(),a.$box.show().focus()}})},haste.prototype.configureClip=function(){var a=this.clipper=new ZeroClipboard.Client;this.clipper.setHandCursor(!0),this.clipper.setCSSEffects(!1),this.clipper.setText(window.location.href),$("#key .box2 .link").html(this.clipper.getHTML(32,37))},haste.prototype.removeClip=function(){this.clipper&&this.clipper.destroy(),$("#key .box2 .link").html("")},haste.prototype.configureButtons=function(){var a=this;this.buttons=[{$where:$("#key .box2 .save"),label:"Save",shortcutDescription:"control + s",shortcut:function(a){return a.ctrlKey&&(a.keyCode===76||a.keyCode===83)},action:function(){a.$textarea.val().replace(/^\s+|\s+$/g,"")!==""&&a.lockDocument()}},{$where:$("#key .box2 .new"),label:"New",shortcut:function(a){return a.ctrlKey&&a.keyCode===78},shortcutDescription:"control + n",action:function(){a.newDocument(!a.doc.key)}},{$where:$("#key .box2 .duplicate"),label:"Duplicate & Edit",shortcut:function(b){return a.doc.locked&&b.ctrlKey&&b.keyCode===68},shortcutDescription:"control + d",action:function(){a.duplicateDocument()}},{$where:$("#key .box2 .twitter"),label:"Twitter",shortcut:function(b){return a.options.twitter&&a.doc.locked&&b.ctrlKey&&b.keyCode==84},shortcutDescription:"control + t",action:function(){window.open("https://twitter.com/share?url="+encodeURI(a.baseUrl+a.doc.key))}},{$where:$("#key .box2 .link"),label:"Copy URL",letBubble:!0,action:function(){}}];for(var b=0;b<this.buttons.length;b++)this.configureButton(this.buttons[b])},haste.prototype.configureButton=function(a){a.$where.click(function(b){b.preventDefault(),$(this).hasClass("enabled")&&a.action()}),a.$where.mouseenter(function(b){$("#key .box3 .label").text(a.label),$("#key .box3 .shortcut").text(a.shortcutDescription||""),$("#key .box3").show()}),a.$where.mouseleave(function(a){$("#key .box3").hide()})},haste.prototype.configureShortcuts=function(){var a=this;$(document.body).keydown(function(b){var c;for(var d=0;d<a.buttons.length;d++){c=a.buttons[d];if(c.shortcut&&c.shortcut(b)){c.letBubble||b.preventDefault(),c.action();return}}})},$(function(){$("textarea").keydown(function(a){if(a.keyCode===9){a.preventDefault();var b="  ";if(document.selection)this.focus(),sel=document.selection.createRange(),sel.text=b,this.focus();else if(this.selectionStart||this.selectionStart=="0"){var c=this.selectionStart,d=this.selectionEnd,e=this.scrollTop;this.value=this.value.substring(0,c)+b+this.value.substring(d,this.value.length),this.focus(),this.selectionStart=c+b.length,this.selectionEnd=c+b.length,this.scrollTop=e}else this.value+=b,this.focus()}})})

static/index.html

@@ -9,8 +9,8 @@
 
 		<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.0/jquery.min.js"></script>
 		<script type="text/javascript" src="http://yandex.st/highlightjs/6.1/highlight.min.js"></script>
-		<script type="text/javascript" src="application.js"></script>
-		<script type="text/javascript" src="ZeroClipboard.js"></script>
+		<script type="text/javascript" src="application.min.js"></script>
+		<script type="text/javascript" src="ZeroClipboard.min.js"></script>
 
 		<meta name="robots" content="noindex,nofollow"/>