This ember-cli addon provides a component that allows for rendering a block to a DOM element somewhere else on the page. The component retains typical Ember context in terms of bound data and action handling.
View a live demo here: http://yapplabs.github.io/ember-wormhole/
This library is particularly useful for cases where you have UI that is the logical child of a component but needs to render as a top-level DOM element, such as a confirmation dialog.
This component tracks its element's child nodes. When inserted into the DOM, it appends its child nodes to a destination element elsewhere. When removed from the DOM, it removes its child nodes, so as not to orphan them on the other side of the wormhole.
Nothing else changes -- data binding and action bubbling still flow according to
the Ember component hierarchy. That includes usages of yield, so blocks provided
to ember-wormhole simply appear in another part of the DOM.
We thought you'd never ask...
Given the following DOM:
<body class="ember-application">
<!-- Destination must be in the same element as your ember app -->
<!-- otherwise events/bindings will not work -->
<div id="destination">
</div>
<div class="ember-view">
<!-- rest of your Ember app's DOM... -->
</div>
</body>and a template like this:
Then "Hello world!" would be rendered inside the destination div.
If the ember-wormhole is destroyed its far-off children are destroyed too. For example, given:
If isWormholeEnabled starts off true and becomes false, then the "Hello
world!" text will be removed from the destination div.
Similarly, if you use ember-wormhole in a route's template, it will
render its children in the destination element when the route is entered
and remove them when the route is exited.
Yes! Sometimes you feel like a wormhole. Sometimes you don't. Situations sometimes call for the same content to be rendered through the wormhole or in place.
In this example, renderInPlace will override to and cause the wormhole content to be rendered in place.
This technique is useful for:
- Presenting typically-wormholed content within a styleguide
- Toggling content back and forth through the wormhole
- Parlor tricks
git clonethis repositorynpm installbower install
ember try:testallember testember test --server
ember server- Visit your app at http://localhost:4200.
For more information on using ember-cli, visit http://www.ember-cli.com/.
This addon was extracted from ember-modal-dialog. Contributions from @stefanpenner, @krisselden, @chrislopresto, @lukemelia, @raycohen and others. Yapp Labs is an Ember.js consultancy based in NYC.
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