From 9d5f686bbdacf8af32c677f2c67f6da6168b45fd Mon Sep 17 00:00:00 2001
From: Leo <leo@Leos-MacBook-Pro.local>
Date: Fri, 3 Feb 2017 22:21:14 -0500
Subject: [PATCH] #1579 prevent infinite loop in non-existent default route

---
 api/router.js            |  5 ++-
 api/tests/test-router.js |  2 +-
 mithril.js               |  8 ++--
 mithril.min.js           | 82 ++++++++++++++++++++--------------------
 router/router.js         |  6 +--
 5 files changed, 51 insertions(+), 52 deletions(-)

diff --git a/api/router.js b/api/router.js
index 1d267bb8..b4690966 100644
--- a/api/router.js
+++ b/api/router.js
@@ -14,8 +14,9 @@ module.exports = function($window, redrawService) {
 		var run = function() {
 			if (render != null) redrawService.render(root, render(Vnode(component, attrs.key, attrs)))
 		}
-		var bail = function() {
-			routeService.setPath(defaultRoute, null, {replace: true})
+		var bail = function(path) {
+			if (path !== defaultRoute) routeService.setPath(defaultRoute, null, {replace: true})
+			else throw new Error("Could not resolve default route " + defaultRoute)
 		}
 		routeService.defineRoutes(routes, function(payload, params, path) {
 			var update = lastUpdate = function(routeResolver, comp) {
diff --git a/api/tests/test-router.js b/api/tests/test-router.js
index 8fec9042..9b8705da 100644
--- a/api/tests/test-router.js
+++ b/api/tests/test-router.js
@@ -108,7 +108,7 @@ o.spec("route", function() {
 						done()
 					}
 				})
-
+				
 				o("redraws when render function is executed", function() {
 					var onupdate = o.spy()
 					var oninit = o.spy()
diff --git a/mithril.js b/mithril.js
index c1ec91f0..3ccb4917 100644
--- a/mithril.js
+++ b/mithril.js
@@ -1056,7 +1056,6 @@ var coreRouter = function($window) {
 			var path = router.getPath()
 			var params = {}
 			var pathname = parsePath(path, params, params)
-			
 			var state = $window.history.state
 			if (state != null) {
 				for (var k in state) params[k] = state[k]
@@ -1077,12 +1076,10 @@ var coreRouter = function($window) {
 			}
 			reject(path, params)
 		}
-		
 		if (supportsPushState) $window.onpopstate = debounceAsync(resolveRoute)
 		else if (router.prefix.charAt(0) === "#") $window.onhashchange = resolveRoute
 		resolveRoute()
 	}
-	
 	return router
 }
 var _20 = function($window, redrawService0) {
@@ -1094,8 +1091,9 @@ var _20 = function($window, redrawService0) {
 		var run1 = function() {
 			if (render1 != null) redrawService0.render(root, render1(Vnode(component, attrs3.key, attrs3)))
 		}
-		var bail = function() {
-			routeService.setPath(defaultRoute, null, {replace: true})
+		var bail = function(path) {
+			if (path !== defaultRoute) routeService.setPath(defaultRoute, null, {replace: true})
+			else throw new Error("Could not resolve default route " + defaultRoute)
 		}
 		routeService.defineRoutes(routes, function(payload, params, path) {
 			var update = lastUpdate = function(routeResolver, comp) {
diff --git a/mithril.min.js b/mithril.min.js
index 528305de..eaf10ad2 100644
--- a/mithril.min.js
+++ b/mithril.min.js
@@ -1,42 +1,42 @@
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-"\\")),"class"===c[4]?d.push(m):h[c[4]]=m||!0)}0<d.length&&(h.className=d.join(" "));G[a]=function(a,c){var m=!1,b,r,d=a.className||a["class"],p;for(p in h)a[p]=h[p];void 0!==d&&(void 0!==a["class"]&&(a["class"]=void 0,a.className=d),void 0!==h.className&&(a.className=h.className+" "+d));for(p in a)if("key"!==p){m=!0;break}Array.isArray(c)&&1==c.length&&null!=c[0]&&"#"===c[0].tag?r=c[0].children:b=c;return x(k||"div",a.key,m?a:void 0,b,r,void 0)}}var p;null==arguments[1]||"object"===typeof arguments[1]&&
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+b&&(b.oncreate||b.onupdate||b.onbeforeremove||b.onremove));b&&"string"===typeof a.tag&&(e.pool?e.pool.push(a):e.pool=[a])}}var g=1,c=0;if(a.attrs&&a.attrs.onbeforeremove){var d=a.attrs.onbeforeremove.call(a.state,a);null!=d&&"function"===typeof d.then&&(g++,d.then(b,b))}"string"!==typeof a.tag&&a.tag.onbeforeremove&&(d=a.tag.onbeforeremove.call(a.state,a),null!=d&&"function"===typeof d.then&&(g++,d.then(b,b)));b()}function z(a){a.attrs&&a.attrs.onremove&&a.attrs.onremove.call(a.state,a);"string"!==
+typeof a.tag&&a.tag.onremove&&a.tag.onremove.call(a.state,a);if(null!=a.instance)z(a.instance);else if(a=a.children,Array.isArray(a))for(var b=0;b<a.length;b++){var g=a[b];null!=g&&z(g)}}function w(a,b,c,d,h){var e=a.dom;if("key"!==b&&"is"!==b&&(c!==d||"value"===b||"checked"===b||"selectedIndex"===b||"selected"===b&&a.dom===q.activeElement||"object"===typeof d)&&"undefined"!==typeof d&&!C(b)){var g=b.indexOf(":");if(-1<g&&"xlink"===b.substr(0,g))e.setAttributeNS("http://www.w3.org/1999/xlink",b.slice(g+
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+b&&a.dom.value===d&&a.dom===q.activeElement||"select"===a.tag&&"value"===b&&a.dom.value===d&&a.dom===q.activeElement||"option"===a.tag&&"value"===b&&a.dom.value===d||(e[b]=d):"boolean"===typeof d?d?e.setAttribute(b,""):e.removeAttribute(b):e.setAttribute("className"===b?"class":b,d)}}function C(a){return"oninit"===a||"oncreate"===a||"onupdate"===a||"onremove"===a||"onbeforeremove"===a||"onbeforeupdate"===a}function K(a,b,d){var e=a.dom,c="function"!==typeof H?d:function(a){var b=d.call(e,a);H.call(e,
+a);return b};if(b in e)e[b]="function"===typeof d?c:null;else{var f=b.slice(2);void 0===a.events&&(a.events={});a.events[b]!==c&&(null!=a.events[b]&&e.removeEventListener(f,a.events[b],!1),"function"===typeof d&&(a.events[b]=c,e.addEventListener(f,a.events[b],!1)))}}function m(a,b,d){"function"===typeof a.oninit&&a.oninit.call(b.state,b);"function"===typeof a.oncreate&&d.push(a.oncreate.bind(b.state,b))}function A(a,b,d,c){c?m(a,b,d):"function"===typeof a.onupdate&&d.push(a.onupdate.bind(b.state,
+b))}var q=a.document,L=q.createDocumentFragment(),H;return{render:function(a,b){if(!a)throw Error("Ensure the DOM element being passed to m.route/m.mount/m.render is not undefined.");var d=[],e=q.activeElement;null==a.vnodes&&(a.textContent="");Array.isArray(b)||(b=[b]);h(a,a.vnodes,x.normalizeChildren(b),d,null,void 0);a.vnodes=b;for(var c=0;c<d.length;c++)d[c]();q.activeElement!==e&&e.focus()},setEventCallback:function(a){return H=a}}},F=function(a){function c(a){a=d.indexOf(a);-1<a&&d.splice(a,
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+m,J=function(a){if(""===a||null==a)return{};"?"===a.charAt(0)&&(a=a.slice(1));a=a.split("&");for(var c={},k={},d=0;d<a.length;d++){var h=a[d].split("="),n=decodeURIComponent(h[0]),h=2===h.length?decodeURIComponent(h[1]):"";"true"===h?h=!0:"false"===h&&(h=!1);var l=n.split(/\]\[?|\[/),p=c;-1<n.indexOf("[")&&l.pop();for(var u=0;u<l.length;u++){var n=l[u],r=l[u+1],r=""==r||!isNaN(parseInt(r,10)),v=u===l.length-1;""===n&&(n=l.slice(0,u).join(),null==k[n]&&(k[n]=0),n=k[n]++);null==p[n]&&(p[n]=v?h:r?[]:
+{});p=p[n]}}return c},R=function(a){function c(d){var c=a.location[d].replace(/(?:%[a-f89][a-f0-9])+/gim,decodeURIComponent);"pathname"===d&&"/"!==c[0]&&(c="/"+c);return c}function k(a){return function(){null==l&&(l=n(function(){l=null;a()}))}}function d(a,d,c){var b=a.indexOf("?"),h=a.indexOf("#"),k=-1<b?b:-1<h?h:a.length;if(-1<b){var b=J(a.slice(b+1,-1<h?h:a.length)),l;for(l in b)d[l]=b[l]}if(-1<h)for(l in d=J(a.slice(h+1)),d)c[l]=d[l];return a.slice(0,k)}var h="function"===typeof a.history.pushState,
+n="function"===typeof setImmediate?setImmediate:setTimeout,l,p={prefix:"#!",getPath:function(){switch(p.prefix.charAt(0)){case "#":return c("hash").slice(p.prefix.length);case "?":return c("search").slice(p.prefix.length)+c("hash");default:return c("pathname").slice(p.prefix.length)+c("search")+c("hash")}},setPath:function(c,l,k){var b={},n={};c=d(c,b,n);if(null!=l){for(var m in l)b[m]=l[m];c=c.replace(/:([^\/]+)/g,function(a,c){delete b[c];return l[c]})}(m=E(b))&&(c+="?"+m);(n=E(n))&&(c+="#"+n);
+h?(n=k?k.state:null,m=k?k.title:null,a.onpopstate(),k&&k.replace?a.history.replaceState(n,m,p.prefix+c):a.history.pushState(n,m,p.prefix+c)):a.location.href=p.prefix+c},defineRoutes:function(c,l,n){function b(){var b=p.getPath(),h={},k=d(b,h,h),m=a.history.state;if(null!=m)for(var v in m)h[v]=m[v];for(var r in c)if(m=new RegExp("^"+r.replace(/:[^\/]+?\.{3}/g,"(.*?)").replace(/:[^\/]+/g,"([^\\/]+)")+"/?$"),m.test(k)){k.replace(m,function(){for(var a=r.match(/:[^\/]+/g)||[],d=[].slice.call(arguments,
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+b);};k.defineRoutes(p,function(a,b,c){var k=u=function(a,p){k===u&&(n=null!=p&&"function"===typeof p.view?p:"div",l=b,m=c,u=null,h=(a.render||d).bind(a),r())};a.view?k({},a):a.onmatch?Q.resolve(a.onmatch(b,c)).then(function(b){k(a,b)},v):k(a,"div")},v);c.subscribe(a,r)};r.set=function(a,b,c){null!=u&&(c={replace:!0});u=null;k.setPath(a,b,c)};r.get=function(){return m};r.prefix=function(a){k.prefix=a};r.link=function(a){a.dom.setAttribute("href",k.prefix+a.attrs.href);a.dom.onclick=function(a){a.ctrlKey||
+a.metaKey||a.shiftKey||2===a.which||(a.preventDefault(),a.redraw=!1,a=this.getAttribute("href"),0===a.indexOf(k.prefix)&&(a=a.slice(k.prefix.length)),r.set(a,void 0,void 0))}};r.param=function(a){return"undefined"!==typeof l&&"undefined"!==typeof a?l[a]:l};return r}(window,F);A.withAttr=function(a,c,k){return function(d){c.call(k||this,a in d.currentTarget?d.currentTarget[a]:d.currentTarget.getAttribute(a))}};var S=M(window);A.render=S.render;A.redraw=F.redraw;A.request=I.request;A.jsonp=I.jsonp;
+A.parseQueryString=J;A.buildQueryString=E;A.version="1.0.0";A.vnode=x;"undefined"!==typeof module?module.exports=A:window.m=A};
\ No newline at end of file
diff --git a/router/router.js b/router/router.js
index 51961e99..106f6863 100644
--- a/router/router.js
+++ b/router/router.js
@@ -80,7 +80,7 @@ module.exports = function($window) {
 			var path = router.getPath()
 			var params = {}
 			var pathname = parsePath(path, params, params)
-			
+
 			var state = $window.history.state
 			if (state != null) {
 				for (var k in state) params[k] = state[k]
@@ -103,11 +103,11 @@ module.exports = function($window) {
 
 			reject(path, params)
 		}
-		
+
 		if (supportsPushState) $window.onpopstate = debounceAsync(resolveRoute)
 		else if (router.prefix.charAt(0) === "#") $window.onhashchange = resolveRoute
 		resolveRoute()
 	}
-	
+
 	return router
 }