ember-tether
Advanced tools
This ember-cli addon provides a component that allows for 'tethering' a block to a target somewhere else on the page. The target may be an element, an element selector, or an Ember view. Importantly, the component retains typical context for Ember action handling and data binding.
View a live demo here: http://yapplabs.github.io/ember-tether/
ember install ember-tether
Note: Ember CLI versions < 0.2.3 should use ember install:addon instead of ember install
Given the following DOM:
<body class="ember-application">
<!-- Target must be in the same element as your ember app -->
<!-- otherwise events/bindings on the tethered content will not work -->
<div id="a-nice-person">
Nice person
</div>
<div class="ember-view">
<!-- rest of your Ember app's DOM... -->
</div>
</body>
and a template like this:
{{#ember-tether
target='#a-nice-person'
targetAttachment='top right'
attachment='top left'
}}
A puppy
{{/ember-tether}}
Then "A puppy" would be rendered alongside the a-nice-person div.
If the ember-tether component is destroyed, its far-off content is destroyed too. For example, given:
{{#if isShowing}}
{{#ember-tether
target='#a-nice-person'
targetAttachment='top right'
attachment='top left'
}}
A puppy
{{/ember-tether}}
{{/if}}
If isShowing starts off true and becomes false, then the "A puppy" text will be removed from the page.
Similarly, if you use ember-tether in a route's template, it will
render its content next to the target element when the route is entered
and remove it when the route is exited.
Hubspot Tether works by appending tethered elements to the <body> tag. Unfortunately, this moves your
content outside of the Ember application rootElement during acceptance testing. This breaks event
dispatch and action handling, including traditional Ember test helpers like click.
In order to short-circuit Hubspot's positioning behavior, we must use static positioning on the
#ember-testing-container div as follows:
<style>
#ember-testing-container {
/* Set position static to short-circuit Hubspot Tether's positioning */
/* https://github.com/HubSpot/tether/pull/98/ */
position: static !important;
}
</style>
ember-tether depends on Hubspot Tether, which is imported as a globals-style JS dependency. When using ember-tether directly in an Ember app, everything will work out of the box with no configuration necessary.
However, addons nested in other addons do not have access to app.import in their included hook and are therefore unable to import their own dependencies. This is not a problem unique to ember-tether.
The solution to this is to declare ember-tether as a peerDependency to ensure that it gets installed alongside your addon as a dependency of the root application. You'll likely also want it as a devDependency so that it's available during development and testing.
git clone this repositorynpm installbower installember try:testallember testember test --serverember serverFor more information on using ember-cli, visit http://www.ember-cli.com/.
This project uses https://github.com/skywinder/github-changelog-generator to generate its changelog.
v0.3.1 (2016-05-11)
Merged pull requests:
FAQs
Tether an element to another element in the DOM
The npm package ember-tether receives a total of 13,296 weekly downloads. As such, ember-tether popularity was classified as popular.
We found that ember-tether demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 5 open source maintainers collaborating on the project.
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