angular-katex
Display math with KaTex and AngularJS.
Requirements
Load into your app
You can get it from Bower
bower install angular-katex
or npm
npm install angular-katex
Load the script files in your application:
<script type="text/javascript" src="bower_components/angular/angular.js"></script>
<script type="text/javascript" src="bower_components/katex/dist/katex.min.js"></script>
<script type="text/javascript" src="bower_components/angular-katex/angular-katex.js"></script>
Add the specific module to your dependencies:
angular.module('myApp', ['katex', ...])
Usage examples
Live demo
<katex>x^2</katex>
<div katex>x^2</div>
<div katex="x^2"></div>
<katex expr="x^2"></katex>
<katex bind="tex.pow"></katex>
<katex expr="x^2" display-mode></katex>
<katex expr="\" on-error="$setText('Bad Expression: ' + $expr + ' . ' + $err)"></katex>
<div katex auto-render>
<p>The following formula is rendered</p>
$$x^2$$
</div>
To use the auto-render extension,
the file auto-render.min.js
is needed.
If you installed katex with bower, it is inside bower_components/katex/dist/contrib
.
Configuration
katexConfigProvider
have the following properties:
defaultOptions
: object that is passed to the katex.render
function as the options parameter.
By default, it is {}
.errorHandler
: function that is called when there is an error while parsing the expression.
It has three parameters: error
, expression
, element
.
It does not get called if katexOnError
directive is used.
By default, it appends a span element with the error message and the katex-error
class: <span class="katex-error">Error: message</span>
.
This function can be used to use MathJax as a fallback.