knockout.js - Unable to bind to a view with compose containerless code -

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this kind of related recent question multiple views within 1 page. started durandal sample knockout shell , attempted extract navigation menu on left own "navlist.html/navlist.js" view/viewmodel.

i created navlist.html , navlist.js:

<ul class="nav nav-list">     <li class="nav-header">basic examples</li>      <!--ko foreach: introsamples-->     <li data-bind="css: { active: isactive }">         <a data-bind="attr: { href: hash }, text: title"></a>     </li>     <!--/ko-->      <li class="nav-header">detailed examples</li>       <!--ko foreach: detailedsamples-->     <li data-bind="css: { active: isactive }">         <a data-bind="attr: { href: hash }, text: title"></a>     </li>     <!--/ko--> </ul>  define(['plugins/router', 'knockout'], function (router, ko) { var childrouter = router.createchildrouter()     .makerelative({         moduleid: 'ko',         fromparent: true     }).map([         { route: '', moduleid: 'helloworld/index', title: 'hello world', type: 'intro' },         { route: 'helloworld', moduleid: 'helloworld/index', title: 'hello world', type: 'intro', nav: true },         { route: 'clickcounter', moduleid: 'clickcounter/index', title: 'click counter', type: 'intro', nav: true },         { route: 'simplelist', moduleid: 'simplelist/index', title: 'simple list', type: 'intro', nav: true },         { route: 'betterlist', moduleid: 'betterlist/index', title: 'better list', type: 'intro', nav: true },         { route: 'controltypes', moduleid: 'controltypes/index', title: 'control types', type: 'intro', nav: true },         { route: 'collections', moduleid: 'collections/index', title: 'collection', type: 'intro', nav: true },         { route: 'pagedgrid', moduleid: 'pagedgrid/index', title: 'paged grid', type: 'intro', nav: true },         { route: 'animatedtrans', moduleid: 'animatedtrans/index', title: 'animated transition', type: 'intro', nav: true },         { route: 'contactseditor', moduleid: 'contactseditor/index', title: 'contacts editor', type: 'detailed', nav: true },         { route: 'grideditor', moduleid: 'grideditor/index', title: 'grid editor', type: 'detailed', nav: true },         { route: 'shoppingcart', moduleid: 'shoppingcart/index', title: 'shopping cart', type: 'detailed', nav: true },         { route: 'twitterclient', moduleid: 'twitterclient/index', title: 'twitter client', type: 'detailed', nav: true }     ]).buildnavigationmodel();  return {     router: childrouter,     introsamples: ko.computed(function () {         return ko.utils.arrayfilter(childrouter.navigationmodel(), function (route) {             return route.type == 'intro';         });     }),         detailedsamples: ko.computed(function () {             return ko.utils.arrayfilter(childrouter.navigationmodel(), function (route) {                 return route.type == 'detailed';             });         })     }; });

...which pretty identical copies of original index.html , index.js files.

i turned index.js this:

define(['ko/navlist'], function(nav) {      return {         router: nav.router     }; });

and index.html this:

<div class="container-fluid knockout-samples">   <div class="row-fluid">     <div class="span2 well">         <!--ko compose: {view: navlist,              transition: 'entrance'} -->         <!--/ko-->     </div>       <div class="span10">           <!--ko router: { transition:'entrance', cacheviews:true }--><!--/ko-->       </div>   </div> </div>

...which not major change. i'm trying achieve @ point education via tinkering. figured if deconstruct/reconstruct working example i'd step further along line of understanding of how structure app.

of course, goes wrong on binding navlist. appears despite being told go , navlist view, it's treating part of index.js model far can tell in console window:

binding ko/index  object {router: object, __moduleid__: "ko/index"}  system.js:75 unable parse bindings. bindings value: compose: {view: navlist,              transition: 'entrance'}  message: navlist not defined; view: ko/index; moduleid: ko/index

could kind soul please explain fundamental understanding issue have here please?

solution: pw kad suggested, using container "data-bind" syntax in index.html instead of containerless trying has fixed problem. code now:

<div class="container-fluid knockout-samples">   <div class="row-fluid">     <div class="span2 well" data-bind="compose: 'ko/navlist'"></div>       <div class="span10">           <!--ko router: { transition:'entrance', cacheviews:true }--><!--/ko-->       </div>   </div> </div>

use ko compose: 'viewmodels/navlist' instantiate view model , view parent view. allows durandal map using default viewlocator in app/viewmodels/ folder.

check docs more info

http://durandaljs.com/documentation/using-composition/


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