Support open "current content page" in browser

This commit adds a new `--navigateToChanged` and config setting with the same name, that, when running the Hugo server with live reload enabled, will navigate to the current content file's URL on save. 

This is really useful for site-wide content changes (copyedits etc.).
Fixes #3643

1 files changed, 47 insertions, 4 deletions

diff --git a/livereload/livereload.go b/livereload/livereload.go
index 04e3ac0f0..a5da891fc 100644
--- a/livereload/livereload.go
+++ b/livereload/livereload.go
@@ -37,12 +37,16 @@
 package livereload
 
 import (
+	"fmt"
 	"net/http"
 	"path/filepath"
 
 	"github.com/gorilla/websocket"
 )
 
+// Prefix to signal to LiveReload that we need to navigate to another path.
+const hugoNavigatePrefix = "__hugo_navigate"
+
 var upgrader = &websocket.Upgrader{ReadBufferSize: 1024, WriteBufferSize: 1024}
 
 // Handler is a HandlerFunc handling the livereload
@@ -69,6 +73,12 @@ func ForceRefresh() {
 	RefreshPath("/x.js")
 }
 
+// NavigateToPath tells livereload to navigate to the given path.
+// This translates to `window.location.href = path` in the client.
+func NavigateToPath(path string) {
+	RefreshPath(hugoNavigatePrefix + path)
+}
+
 // RefreshPath tells livereload to refresh only the given path.
 // If that path points to a CSS stylesheet or an image, only the changes
 // will be updated in the browser, not the entire page.
@@ -81,9 +91,42 @@ func RefreshPath(s string) {
 // ServeJS serves the liverreload.js who's reference is injected into the page.
 func ServeJS(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "application/javascript")
-	w.Write(livereloadJS)
+	w.Write(liveReloadJS())
 }
 
-// livereloadJS contains the output of `uglifyjs livereload.js -m toplevel`
-// Source: https://github.com/livereload/livereload-js/archive/v2.2.1.tar.gz
-var livereloadJS = []byte(`(function e(t,n,o){function i(s,l){if(!n[s]){if(!t[s]){var c=typeof require=="function"&&require;if(!l&&c)return c(s,!0);if(r)return r(s,!0);var a=new Error("Cannot find module '"+s+"'");throw a.code="MODULE_NOT_FOUND",a}var u=n[s]={exports:{}};t[s][0].call(u.exports,function(e){var n=t[s][1][e];return i(n?n:e)},u,u.exports,e,t,n,o)}return n[s].exports}var r=typeof require=="function"&&require;for(var s=0;s<o.length;s++)i(o[s]);return i})({1:[function(e,t,n){(function(){var t,o,i,r,s,l;l=e("./protocol"),r=l.Parser,o=l.PROTOCOL_6,i=l.PROTOCOL_7;s="2.2.1";n.Connector=t=function(){function e(e,t,n,o){this.options=e;this.WebSocket=t;this.Timer=n;this.handlers=o;this._uri="ws://"+this.options.host+":"+this.options.port+"/livereload";this._nextDelay=this.options.mindelay;this._connectionDesired=false;this.protocol=0;this.protocolParser=new r({connected:function(e){return 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this.Timer.start(this.options.stylesheetReloadTimeout,o)};t.prototype.linkHref=function(e){return e.href||e.getAttribute("data-href")};t.prototype.reattachStylesheetLink=function(e){var t,n;if(e.__LiveReload_pendingRemoval){return}e.__LiveReload_pendingRemoval=true;if(e.tagName==="STYLE"){t=this.document.createElement("link");t.rel="stylesheet";t.media=e.media;t.disabled=e.disabled}else{t=e.cloneNode(false)}t.href=this.generateCacheBustUrl(this.linkHref(e));n=e.parentNode;if(n.lastChild===e){n.appendChild(t)}else{n.insertBefore(t,e.nextSibling)}return this.waitUntilCssLoads(t,function(n){return function(){var o;if(/AppleWebKit/.test(navigator.userAgent)){o=5}else{o=200}return n.Timer.start(o,function(){var o;if(!e.parentNode){return}e.parentNode.removeChild(e);t.onreadystatechange=null;return(o=n.window.StyleFix)!=null?o.link(t):void 0})}}(this))};t.prototype.reattachImportedRule=function(e){var t,n,o,i,r,s,l,c;l=e.rule,n=e.index,o=e.link;s=l.parentStyleSheet;t=this.generateCacheBustUrl(l.href);i=l.media.length?[].join.call(l.media,", "):"";r='@import url("'+t+'") '+i+";";l.__LiveReload_newHref=t;c=this.document.createElement("link");c.rel="stylesheet";c.href=t;c.__LiveReload_pendingRemoval=true;if(o.parentNode){o.parentNode.insertBefore(c,o)}return this.Timer.start(this.importCacheWaitPeriod,function(e){return function(){if(c.parentNode){c.parentNode.removeChild(c)}if(l.__LiveReload_newHref!==t){return}s.insertRule(r,n);s.deleteRule(n+1);l=s.cssRules[n];l.__LiveReload_newHref=t;return e.Timer.start(e.importCacheWaitPeriod,function(){if(l.__LiveReload_newHref!==t){return}s.insertRule(r,n);return s.deleteRule(n+1)})}}(this))};t.prototype.generateUniqueString=function(){return"livereload="+Date.now()};t.prototype.generateCacheBustUrl=function(e,t){var n,o,i,r,s;if(t==null){t=this.generateUniqueString()}s=l(e),e=s.url,n=s.hash,o=s.params;if(this.options.overrideURL){if(e.indexOf(this.options.serverURL)<0){i=e;e=this.options.serverURL+this.options.overrideURL+"?url="+encodeURIComponent(e);this.console.log("LiveReload is overriding source URL "+i+" with "+e)}}r=o.replace(/(\?|&)livereload=(\d+)/,function(e,n){return""+n+t});if(r===o){if(o.length===0){r="?"+t}else{r=""+o+"&"+t}}return e+r+n};return t}()}).call(this)},{}],8:[function(e,t,n){(function(){var t,n,o;t=e("./customevents");n=window.LiveReload=new(e("./livereload").LiveReload)(window);for(o in window){if(o.match(/^LiveReloadPlugin/)){n.addPlugin(window[o])}}n.addPlugin(e("./less"));n.on("shutdown",function(){return delete window.LiveReload});n.on("connect",function(){return t.fire(document,"LiveReloadConnect")});n.on("disconnect",function(){return t.fire(document,"LiveReloadDisconnect")});t.bind(document,"LiveReloadShutDown",function(){return n.shutDown()})}).call(this)},{"./customevents":2,"./less":3,"./livereload":4}],9:[function(e,t,n){(function(){var e;n.Timer=e=function(){function e(e){this.func=e;this.running=false;this.id=null;this._handler=function(e){return function(){e.running=false;e.id=null;return e.func()}}(this)}e.prototype.start=function(e){if(this.running){clearTimeout(this.id)}this.id=setTimeout(this._handler,e);return this.running=true};e.prototype.stop=function(){if(this.running){clearTimeout(this.id);this.running=false;return this.id=null}};return e}();e.start=function(e,t){return setTimeout(t,e)}}).call(this)},{}]},{},[8]);`)
+func liveReloadJS() []byte {
+	return []byte(livereloadJS + hugoLiveReloadPlugin)
+}
+
+var (
+	// This is temporary patched with this PR (enables sensible error messages):
+	// https://github.com/livereload/livereload-js/pull/64
+	// TODO(bep) replace with distribution once merged.
+	livereloadJS         = `(function e(t,n,o){function i(s,l){if(!n[s]){if(!t[s]){var c=typeof require=="function"&&require;if(!l&&c)return c(s,!0);if(r)return r(s,!0);var a=new Error("Cannot find module '"+s+"'");throw a.code="MODULE_NOT_FOUND",a}var h=n[s]={exports:{}};t[s][0].call(h.exports,function(e){var n=t[s][1][e];return i(n?n:e)},h,h.exports,e,t,n,o)}return n[s].exports}var r=typeof require=="function"&&require;for(var s=0;s<o.length;s++)i(o[s]);return i})({1:[function(e,t,n){(function(){var t,o,i,r,s,l;l=e("./protocol"),r=l.Parser,o=l.PROTOCOL_6,i=l.PROTOCOL_7;s="2.2.2";n.Connector=t=function(){function e(e,t,n,o){this.options=e;this.WebSocket=t;this.Timer=n;this.handlers=o;this._uri="ws"+(this.options.https?"s":"")+"://"+this.options.host+":"+this.options.port+"/livereload";this._nextDelay=this.options.mindelay;this._connectionDesired=false;this.protocol=0;this.protocolParser=new r({connected:function(e){return function(t){e.protocol=t;e._handshakeTimeout.stop();e._nextDelay=e.options.mindelay;e._disconnectionReason="broken";return e.handlers.connected(t)}}(this),error:function(e){return function(t){e.handlers.error(t);return e._closeOnError()}}(this),message:function(e){return function(t){return e.handlers.message(t)}}(this)});this._handshakeTimeout=new n(function(e){return function(){if(!e._isSocketConnected()){return}e._disconnectionReason="handshake-timeout";return e.socket.close()}}(this));this._reconnectTimer=new n(function(e){return function(){if(!e._connectionDesired){return}return e.connect()}}(this));this.connect()}e.prototype._isSocketConnected=function(){return this.socket&&this.socket.readyState===this.WebSocket.OPEN};e.prototype.connect=function(){this._connectionDesired=true;if(this._isSocketConnected()){return}this._reconnectTimer.stop();this._disconnectionReason="cannot-connect";this.protocolParser.reset();this.handlers.connecting();this.socket=new this.WebSocket(this._uri);this.socket.onopen=function(e){return function(t){return e._onopen(t)}}(this);this.socket.onclose=function(e){return function(t){return e._onclose(t)}}(this);this.socket.onmessage=function(e){return function(t){return e._onmessage(t)}}(this);return this.socket.onerror=function(e){return function(t){return e._onerror(t)}}(this)};e.prototype.disconnect=function(){this._connectionDesired=false;this._reconnectTimer.stop();if(!this._isSocketConnected()){return}this._disconnectionReason="manual";return this.socket.close()};e.prototype._scheduleReconnection=function(){if(!this._connectionDesired){return}if(!this._reconnectTimer.running){this._reconnectTimer.start(this._nextDelay);return this._nextDelay=Math.min(this.options.maxdelay,this._nextDelay*2)}};e.prototype.sendCommand=function(e){if(this.protocol==null){return}return this._sendCommand(e)};e.prototype._sendCommand=function(e){return this.socket.send(JSON.stringify(e))};e.prototype._closeOnError=function(){this._handshakeTimeout.stop();this._disconnectionReason="error";return this.socket.close()};e.prototype._onopen=function(e){var t;this.handlers.socketConnected();this._disconnectionReason="handshake-failed";t={command:"hello",protocols:[o,i]};t.ver=s;if(this.options.ext){t.ext=this.options.ext}if(this.options.extver){t.extver=this.options.extver}if(this.options.snipver){t.snipver=this.options.snipver}this._sendCommand(t);return this._handshakeTimeout.start(this.options.handshake_timeout)};e.prototype._onclose=function(e){this.protocol=0;this.handlers.disconnected(this._disconnectionReason,this._nextDelay);return this._scheduleReconnection()};e.prototype._onerror=function(e){};e.prototype._onmessage=function(e){return this.protocolParser.process(e.data)};return e}()}).call(this)},{"./protocol":6}],2:[function(e,t,n){(function(){var e;e={bind:function(e,t,n){if(e.addEventListener){return e.addEventListener(t,n,false)}else if(e.attachEvent){e[t]=1;return e.attachEvent("onpropertychange",function(e){if(e.propertyName===t){return n()}})}else{throw new Error("Attempt to attach custom event "+t+" to something which isn't a DOMElement")}},fire:function(e,t){var n;if(e.addEventListener){n=document.createEvent("HTMLEvents");n.initEvent(t,true,true);return document.dispatchEvent(n)}else if(e.attachEvent){if(e[t]){return e[t]++}}else{throw new Error("Attempt to fire custom event "+t+" on something which isn't a DOMElement")}}};n.bind=e.bind;n.fire=e.fire}).call(this)},{}],3:[function(e,t,n){(function(){var e;t.exports=e=function(){e.identifier="less";e.version="1.0";function e(e,t){this.window=e;this.host=t}e.prototype.reload=function(e,t){if(this.window.less&&this.window.less.refresh){if(e.match(/\.less$/i)){return this.reloadLess(e)}if(t.originalPath.match(/\.less$/i)){return this.reloadLess(t.originalPath)}}return false};e.prototype.reloadLess=function(e){var t,n,o,i;n=function(){var e,n,o,i;o=document.getElementsByTagName("link");i=[];for(e=0,n=o.length;e<n;e++){t=o[e];if(t.href&&t.rel.match(/^stylesheet\/less$/i)||t.rel.match(/stylesheet/i)&&t.type.match(/^text\/(x-)?less$/i)){i.push(t)}}return i}();if(n.length===0){return false}for(o=0,i=n.length;o<i;o++){t=n[o];t.href=this.host.generateCacheBustUrl(t.href)}this.host.console.log("LiveReload is asking LESS to recompile all stylesheets");this.window.less.refresh(true);return true};e.prototype.analyze=function(){return{disable:!!(this.window.less&&this.window.less.refresh)}};return e}()}).call(this)},{}],4:[function(e,t,n){(function(){var t,o,i,r,s,l,c={}.hasOwnProperty;t=e("./connector").Connector;l=e("./timer").Timer;i=e("./options").Options;s=e("./reloader").Reloader;r=e("./protocol").ProtocolError;n.LiveReload=o=function(){function e(e){var n,o,a;this.window=e;this.listeners={};this.plugins=[];this.pluginIdentifiers={};this.console=this.window.console&&this.window.console.log&&this.window.console.error?this.window.location.href.match(/LR-verbose/)?this.window.console:{log:function(){},error:this.window.console.error.bind(this.window.console)}:{log:function(){},error:function(){}};if(!(this.WebSocket=this.window.WebSocket||this.window.MozWebSocket)){this.console.error("LiveReload disabled because the browser does not seem to support web sockets");return}if("LiveReloadOptions"in e){this.options=new i;a=e["LiveReloadOptions"];for(n in a){if(!c.call(a,n))continue;o=a[n];this.options.set(n,o)}}else{this.options=i.extract(this.window.document);if(!this.options){this.console.error("LiveReload disabled because it could not find its own <SCRIPT> tag");return}}this.reloader=new s(this.window,this.console,l);this.connector=new t(this.options,this.WebSocket,l,{connecting:function(e){return function(){}}(this),socketConnected:function(e){return function(){}}(this),connected:function(e){return function(t){var n;if(typeof(n=e.listeners).connect==="function"){n.connect()}e.log("LiveReload is connected to "+e.options.host+":"+e.options.port+" (protocol v"+t+").");return e.analyze()}}(this),error:function(e){return function(e){if(e instanceof r){if(typeof console!=="undefined"&&console!==null){return console.log(""+e.message+".")}}else{if(typeof console!=="undefined"&&console!==null){return console.log("LiveReload internal error: "+e.message)}}}}(this),disconnected:function(e){return function(t,n){var o;if(typeof(o=e.listeners).disconnect==="function"){o.disconnect()}switch(t){case"cannot-connect":return e.log("LiveReload cannot connect to "+e.options.host+":"+e.options.port+", will retry in "+n+" sec.");case"broken":return e.log("LiveReload disconnected from "+e.options.host+":"+e.options.port+", reconnecting in "+n+" sec.");case"handshake-timeout":return e.log("LiveReload cannot connect to "+e.options.host+":"+e.options.port+" (handshake timeout), will retry in "+n+" sec.");case"handshake-failed":return e.log("LiveReload cannot connect to "+e.options.host+":"+e.options.port+" (handshake failed), will retry in "+n+" sec.");case"manual":break;case"error":break;default:return e.log("LiveReload disconnected from "+e.options.host+":"+e.options.port+" ("+t+"), reconnecting in "+n+" sec.")}}}(this),message:function(e){return function(t){switch(t.command){case"reload":return e.performReload(t);case"alert":return e.performAlert(t)}}}(this)});this.initialized=true}e.prototype.on=function(e,t){return this.listeners[e]=t};e.prototype.log=function(e){return this.console.log(""+e)};e.prototype.performReload=function(e){var t,n;this.log("LiveReload received reload request: "+JSON.stringify(e,null,2));return this.reloader.reload(e.path,{liveCSS:(t=e.liveCSS)!=null?t:true,liveImg:(n=e.liveImg)!=null?n:true,originalPath:e.originalPath||"",overrideURL:e.overrideURL||"",serverURL:"http://"+this.options.host+":"+this.options.port})};e.prototype.performAlert=function(e){return alert(e.message)};e.prototype.shutDown=function(){var e;if(!this.initialized){return}this.connector.disconnect();this.log("LiveReload disconnected.");return typeof(e=this.listeners).shutdown==="function"?e.shutdown():void 0};e.prototype.hasPlugin=function(e){return!!this.pluginIdentifiers[e]};e.prototype.addPlugin=function(e){var t;if(!this.initialized){return}if(this.hasPlugin(e.identifier)){return}this.pluginIdentifiers[e.identifier]=true;t=new e(this.window,{_livereload:this,_reloader:this.reloader,_connector:this.connector,console:this.console,Timer:l,generateCacheBustUrl:function(e){return function(t){return e.reloader.generateCacheBustUrl(t)}}(this)});this.plugins.push(t);this.reloader.addPlugin(t)};e.prototype.analyze=function(){var e,t,n,o,i,r;if(!this.initialized){return}if(!(this.connector.protocol>=7)){return}n={};r=this.plugins;for(o=0,i=r.length;o<i;o++){e=r[o];n[e.constructor.identifier]=t=(typeof e.analyze==="function"?e.analyze():void 0)||{};t.version=e.constructor.version}this.connector.sendCommand({command:"info",plugins:n,url:this.window.location.href})};return e}()}).call(this)},{"./connector":1,"./options":5,"./protocol":6,"./reloader":7,"./timer":9}],5:[function(e,t,n){(function(){var e;n.Options=e=function(){function e(){this.https=false;this.host=null;this.port=35729;this.snipver=null;this.ext=null;this.extver=null;this.mindelay=1e3;this.maxdelay=6e4;this.handshake_timeout=5e3}e.prototype.set=function(e,t){if(typeof t==="undefined"){return}if(!isNaN(+t)){t=+t}return this[e]=t};return e}();e.extract=function(t){var n,o,i,r,s,l,c,a,h,u,d,f,p;f=t.getElementsByTagName("script");for(a=0,u=f.length;a<u;a++){n=f[a];if((c=n.src)&&(i=c.match(/^[^:]+:\/\/(.*)\/z?livereload\.js(?:\?(.*))?$/))){s=new e;s.https=c.indexOf("https")===0;if(r=i[1].match(/^([^\/:]+)(?::(\d+))?$/)){s.host=r[1];if(r[2]){s.port=parseInt(r[2],10)}}if(i[2]){p=i[2].split("&");for(h=0,d=p.length;h<d;h++){l=p[h];if((o=l.split("=")).length>1){s.set(o[0].replace(/-/g,"_"),o.slice(1).join("="))}}}return s}}return null}}).call(this)},{}],6:[function(e,t,n){(function(){var e,t,o,i,r=[].indexOf||function(e){for(var t=0,n=this.length;t<n;t++){if(t in this&&this[t]===e)return t}return-1};n.PROTOCOL_6=e="http://livereload.com/protocols/official-6";n.PROTOCOL_7=t="http://livereload.com/protocols/official-7";n.ProtocolError=i=function(){function e(e,t){this.message="LiveReload protocol error ("+e+') after receiving data: "'+t+'".'}return e}();n.Parser=o=function(){function n(e){this.handlers=e;this.reset()}n.prototype.reset=function(){return this.protocol=null};n.prototype.process=function(n){var o,s,l,c,a;try{if(this.protocol==null){if(n.match(/^!!ver:([\d.]+)$/)){this.protocol=6}else if(l=this._parseMessage(n,["hello"])){if(!l.protocols.length){throw new i("no protocols specified in handshake message")}else if(r.call(l.protocols,t)>=0){this.protocol=7}else if(r.call(l.protocols,e)>=0){this.protocol=6}else{throw new i("no supported protocols found")}}return this.handlers.connected(this.protocol)}else if(this.protocol===6){l=JSON.parse(n);if(!l.length){throw new i("protocol 6 messages must be arrays")}o=l[0],c=l[1];if(o!=="refresh"){throw new i("unknown protocol 6 command")}return this.handlers.message({command:"reload",path:c.path,liveCSS:(a=c.apply_css_live)!=null?a:true})}else{l=this._parseMessage(n,["reload","alert"]);return this.handlers.message(l)}}catch(e){s=e;if(s instanceof i){return this.handlers.error(s)}else{throw s}}};n.prototype._parseMessage=function(e,t){var n,o,s;try{o=JSON.parse(e)}catch(t){n=t;throw new i("unparsable JSON",e)}if(!o.command){throw new i('missing "command" key',e)}if(s=o.command,r.call(t,s)<0){throw new i("invalid command '"+o.command+"', only valid commands are: "+t.join(", ")+")",e)}return o};return n}()}).call(this)},{}],7:[function(e,t,n){(function(){var e,t,o,i,r,s,l;l=function(e){var t,n,o;if((n=e.indexOf("#"))>=0){t=e.slice(n);e=e.slice(0,n)}else{t=""}if((n=e.indexOf("?"))>=0){o=e.slice(n);e=e.slice(0,n)}else{o=""}return{url:e,params:o,hash:t}};i=function(e){var t;e=l(e).url;if(e.indexOf("file://")===0){t=e.replace(/^file:\/\/(localhost)?/,"")}else{t=e.replace(/^([^:]+:)?\/\/([^:\/]+)(:\d*)?\//,"/")}return decodeURIComponent(t)};s=function(e,t,n){var i,r,s,l,c;i={score:0};for(l=0,c=t.length;l<c;l++){r=t[l];s=o(e,n(r));if(s>i.score){i={object:r,score:s}}}if(i.score>0){return i}else{return null}};o=function(e,t){var n,o,i,r;e=e.replace(/^\/+/,"").toLowerCase();t=t.replace(/^\/+/,"").toLowerCase();if(e===t){return 1e4}n=e.split("/").reverse();o=t.split("/").reverse();r=Math.min(n.length,o.length);i=0;while(i<r&&n[i]===o[i]){++i}return i};r=function(e,t){return o(e,t)>0};e=[{selector:"background",styleNames:["backgroundImage"]},{selector:"border",styleNames:["borderImage","webkitBorderImage","MozBorderImage"]}];n.Reloader=t=function(){function t(e,t,n){this.window=e;this.console=t;this.Timer=n;this.document=this.window.document;this.importCacheWaitPeriod=200;this.plugins=[]}t.prototype.addPlugin=function(e){return this.plugins.push(e)};t.prototype.analyze=function(e){return results};t.prototype.reload=function(e,t){var n,o,i,r,s;this.options=t;if((o=this.options).stylesheetReloadTimeout==null){o.stylesheetReloadTimeout=15e3}s=this.plugins;for(i=0,r=s.length;i<r;i++){n=s[i];if(n.reload&&n.reload(e,t)){return}}if(t.liveCSS){if(e.match(/\.css$/i)){if(this.reloadStylesheet(e)){return}}}if(t.liveImg){if(e.match(/\.(jpe?g|png|gif)$/i)){this.reloadImages(e);return}}return this.reloadPage()};t.prototype.reloadPage=function(){return this.window.document.location.reload()};t.prototype.reloadImages=function(t){var n,o,s,l,c,a,h,u,d,f,p,m,g,v,y,w,R,_;n=this.generateUniqueString();v=this.document.images;for(a=0,f=v.length;a<f;a++){o=v[a];if(r(t,i(o.src))){o.src=this.generateCacheBustUrl(o.src,n)}}if(this.document.querySelectorAll){for(h=0,p=e.length;h<p;h++){y=e[h],s=y.selector,l=y.styleNames;w=this.document.querySelectorAll("[style*="+s+"]");for(u=0,m=w.length;u<m;u++){o=w[u];this.reloadStyleImages(o.style,l,t,n)}}}if(this.document.styleSheets){R=this.document.styleSheets;_=[];for(d=0,g=R.length;d<g;d++){c=R[d];_.push(this.reloadStylesheetImages(c,t,n))}return _}};t.prototype.reloadStylesheetImages=function(t,n,o){var i,r,s,l,c,a,h,u;try{s=t!=null?t.cssRules:void 0}catch(e){i=e}if(!s){return}for(c=0,h=s.length;c<h;c++){r=s[c];switch(r.type){case CSSRule.IMPORT_RULE:this.reloadStylesheetImages(r.styleSheet,n,o);break;case CSSRule.STYLE_RULE:for(a=0,u=e.length;a<u;a++){l=e[a].styleNames;this.reloadStyleImages(r.style,l,n,o)}break;case CSSRule.MEDIA_RULE:this.reloadStylesheetImages(r,n,o)}}};t.prototype.reloadStyleImages=function(e,t,n,o){var s,l,c,a,h;for(a=0,h=t.length;a<h;a++){l=t[a];c=e[l];if(typeof c==="string"){s=c.replace(/\burl\s*\(([^)]*)\)/,function(e){return function(t,s){if(r(n,i(s))){return"url("+e.generateCacheBustUrl(s,o)+")"}else{return t}}}(this));if(s!==c){e[l]=s}}}};t.prototype.reloadStylesheet=function(e){var t,n,o,r,l,c,a,h,u,d,f,p,m,g,v;o=function(){var e,t,o,i;o=this.document.getElementsByTagName("link");i=[];for(e=0,t=o.length;e<t;e++){n=o[e];if(n.rel.match(/^stylesheet$/i)&&!n.__LiveReload_pendingRemoval){i.push(n)}}return i}.call(this);t=[];g=this.document.getElementsByTagName("style");for(c=0,d=g.length;c<d;c++){l=g[c];if(l.sheet){this.collectImportedStylesheets(l,l.sheet,t)}}for(a=0,f=o.length;a<f;a++){n=o[a];this.collectImportedStylesheets(n,n.sheet,t)}if(this.window.StyleFix&&this.document.querySelectorAll){v=this.document.querySelectorAll("style[data-href]");for(h=0,p=v.length;h<p;h++){l=v[h];o.push(l)}}this.console.log("LiveReload found "+o.length+" LINKed stylesheets, "+t.length+" @imported stylesheets");r=s(e,o.concat(t),function(e){return function(t){return i(e.linkHref(t))}}(this));if(r){if(r.object.rule){this.console.log("LiveReload is reloading imported stylesheet: "+r.object.href);this.reattachImportedRule(r.object)}else{this.console.log("LiveReload is reloading stylesheet: "+this.linkHref(r.object));this.reattachStylesheetLink(r.object)}}else{this.console.log("LiveReload will reload all stylesheets because path '"+e+"' did not match any specific one");for(u=0,m=o.length;u<m;u++){n=o[u];this.reattachStylesheetLink(n)}}return true};t.prototype.collectImportedStylesheets=function(e,t,n){var o,i,r,s,l,c;try{s=t!=null?t.cssRules:void 0}catch(e){o=e}if(s&&s.length){for(i=l=0,c=s.length;l<c;i=++l){r=s[i];switch(r.type){case CSSRule.CHARSET_RULE:continue;case CSSRule.IMPORT_RULE:n.push({link:e,rule:r,index:i,href:r.href});this.collectImportedStylesheets(e,r.styleSheet,n);break;default:break}}}};t.prototype.waitUntilCssLoads=function(e,t){var n,o,i;n=false;o=function(e){return function(){if(n){return}n=true;return t()}}(this);e.onload=function(e){return function(){e.console.log("LiveReload: the new stylesheet has finished loading");e.knownToSupportCssOnLoad=true;return o()}}(this);if(!this.knownToSupportCssOnLoad){(i=function(t){return function(){if(e.sheet){t.console.log("LiveReload is polling until the new CSS finishes loading...");return o()}else{return t.Timer.start(50,i)}}}(this))()}return this.Timer.start(this.options.stylesheetReloadTimeout,o)};t.prototype.linkHref=function(e){return e.href||e.getAttribute("data-href")};t.prototype.reattachStylesheetLink=function(e){var t,n;if(e.__LiveReload_pendingRemoval){return}e.__LiveReload_pendingRemoval=true;if(e.tagName==="STYLE"){t=this.document.createElement("link");t.rel="stylesheet";t.media=e.media;t.disabled=e.disabled}else{t=e.cloneNode(false)}t.href=this.generateCacheBustUrl(this.linkHref(e));n=e.parentNode;if(n.lastChild===e){n.appendChild(t)}else{n.insertBefore(t,e.nextSibling)}return this.waitUntilCssLoads(t,function(n){return function(){var o;if(/AppleWebKit/.test(navigator.userAgent)){o=5}else{o=200}return n.Timer.start(o,function(){var o;if(!e.parentNode){return}e.parentNode.removeChild(e);t.onreadystatechange=null;return(o=n.window.StyleFix)!=null?o.link(t):void 0})}}(this))};t.prototype.reattachImportedRule=function(e){var t,n,o,i,r,s,l,c;l=e.rule,n=e.index,o=e.link;s=l.parentStyleSheet;t=this.generateCacheBustUrl(l.href);i=l.media.length?[].join.call(l.media,", "):"";r='@import url("'+t+'") '+i+";";l.__LiveReload_newHref=t;c=this.document.createElement("link");c.rel="stylesheet";c.href=t;c.__LiveReload_pendingRemoval=true;if(o.parentNode){o.parentNode.insertBefore(c,o)}return this.Timer.start(this.importCacheWaitPeriod,function(e){return function(){if(c.parentNode){c.parentNode.removeChild(c)}if(l.__LiveReload_newHref!==t){return}s.insertRule(r,n);s.deleteRule(n+1);l=s.cssRules[n];l.__LiveReload_newHref=t;return e.Timer.start(e.importCacheWaitPeriod,function(){if(l.__LiveReload_newHref!==t){return}s.insertRule(r,n);return s.deleteRule(n+1)})}}(this))};t.prototype.generateUniqueString=function(){return"livereload="+Date.now()};t.prototype.generateCacheBustUrl=function(e,t){var n,o,i,r,s;if(t==null){t=this.generateUniqueString()}s=l(e),e=s.url,n=s.hash,o=s.params;if(this.options.overrideURL){if(e.indexOf(this.options.serverURL)<0){i=e;e=this.options.serverURL+this.options.overrideURL+"?url="+encodeURIComponent(e);this.console.log("LiveReload is overriding source URL "+i+" with "+e)}}r=o.replace(/(\?|&)livereload=(\d+)/,function(e,n){return""+n+t});if(r===o){if(o.length===0){r="?"+t}else{r=""+o+"&"+t}}return e+r+n};return t}()}).call(this)},{}],8:[function(e,t,n){(function(){var t,n,o;t=e("./customevents");n=window.LiveReload=new(e("./livereload").LiveReload)(window);for(o in window){if(o.match(/^LiveReloadPlugin/)){n.addPlugin(window[o])}}n.addPlugin(e("./less"));n.on("shutdown",function(){return delete window.LiveReload});n.on("connect",function(){return t.fire(document,"LiveReloadConnect")});n.on("disconnect",function(){return t.fire(document,"LiveReloadDisconnect")});t.bind(document,"LiveReloadShutDown",function(){return n.shutDown()})}).call(this)},{"./customevents":2,"./less":3,"./livereload":4}],9:[function(e,t,n){(function(){var e;n.Timer=e=function(){function e(e){this.func=e;this.running=false;this.id=null;this._handler=function(e){return function(){e.running=false;e.id=null;return e.func()}}(this)}e.prototype.start=function(e){if(this.running){clearTimeout(this.id)}this.id=setTimeout(this._handler,e);return this.running=true};e.prototype.stop=function(){if(this.running){clearTimeout(this.id);this.running=false;return this.id=null}};return e}();e.start=function(e,t){return setTimeout(t,e)}}).call(this)},{}]},{},[8]);`
+	hugoLiveReloadPlugin = fmt.Sprintf(`
+/*
+Hugo adds a specific prefix, "__hugo_navigate", to the path in certain situations to signal
+navigation to another content page.
+*/
+
+function HugoReload() {}
+
+HugoReload.identifier = 'hugoReloader';
+HugoReload.version = '0.9';
+
+HugoReload.prototype.reload = function(path, options) {
+	var prefix = %q;
+
+	if (path.lastIndexOf(prefix, 0) !== 0) {
+		return false
+	}
+
+	path = path.substring(prefix.length);
+	window.location.href = path;
+
+	return true;
+};
+
+LiveReload.addPlugin(HugoReload)
+`, hugoNavigatePrefix)
+)