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angular-spy

v0.0.3

Published

3 years ago

Set of angularjs directives to deal with scroll spying

Downloads

35

0High
0Medium
0Low

angularjs scroll spy angular-spy scroll-spy ng-scroll-spy

Angular-spy

Flexible set of directives and utilities that allow you to listen to scrolling within any DOM element. Angular-spy exposes a main spy-scroll-container directive in charge of registering events on the scroller and allows to easily build custom spy directives to deal with different use-cases.

The module comes with a spy-visible directive that sets the binding to true when the element is fully visible and sets it back to false when is fully hidden.

Installation

Bower:

bower install angular-spy

Npm:

npm install angular-spy

Usage

<body ng-app="example" spy-scroll-container>
    <section class="yellow"></section>
    <section class="green" spy-visible="greenVisible"></section>
    <section class="red" spy-visible="redVisible"></section>
</body>

If this case the body represents the main scroller; once the section spied gets to be fully visible in view the respective binding is set.

Build your own spies.

When dealing with scroll spies, it's easy to end up in really specific scenarios. I really wanted something easy to use and provide a base infrastructure to allow developers to write their own spies. The spies share a common interface, and can just require the spy-scroll-container to get the scroll position. Please have a look to visible.directive.js source to have an idea.

Usage