ng-vega 
Angular directive for rendering Vega specs. This project was forked and modified from angular-vega which was written for Vega 1 and became inactive. The current version of ng-vega supports Vega 2.
Demo
- Simple demo -- Select dataset/renderer to see the chart changes and see the code to see how it was implemented.
- Vega editor demo -- Implement Vega editor using ng-vega.
For more information about Vega, please refer to official documentation.
Usage
angular.module('exampleApp', ['ngVega'])<div vega spec="spec" vega-data="testData" vega-renderer="'svg'" vega-on-parse="myCallback(view)"></div>-
specis$scope.specin your controller. -
vega-data(optional) can be used to pass dynamic data. In the example above, it is bound to$scope.testData. Data can be a function to modify the values (Vega 2 syntax) or raw values (and ng-vega will convert it to a function to make it work for you).
$scope.testData = {
// function to modify dataset name "table"
table: function(data){
data.remove(function(d){return true;})
insert([{a: 3}, {a: 4}])
}
}
$scope.testData = {
// raw values for dataset name "table"
table: [{a: 1},{a: 2}]
}-
vega-renderer(optional) can be used to set renderer ('canvas'or'svg'). Don't forget the quote. -
vega-on-parse(optional) can be used to get notified whenspecis parsed and to receive a handle to the View Component that Vega has built for the corresponding chart. In the example above, this parameter is bound to$scope.myCallback.
$scope.myCallback = function(view) {
// perform any work you need to do once the spec is parsed
console.log('Vega spec has been parsed.');
// make use of the View Component API as you wish
view.on('click', function(event, item) {
console.log('clicked on ' + JSON.stringify(item));
});
};Installation
bower install ng-vega --save
or
npm install ng-vega --save
Import into your project
Angular module ngVega will be available once you do one of the following:
Choice 1. Global
Adding this library via <script> tag is the simplest way.
<script src="path/to/angular.js"></script>
<script src="path/to/vega.js"></script>
<script src="path/to/ng-vega.min.js"></script>Choice 2: AMD
If you use requirejs, this library support AMD out of the box.
require.config({
paths: {
angular: 'path/to/angular',
vega: 'path/to/vega',
'ng-vega': 'path/to/ng-vega'
}
});
require(['ng-vega'], function() {
// do something
});Choice 3: node.js / browserify
require('ng-vega');Author
Krist Wongsuphasawat / @kristw
Copyright (c) 2016 Krist Wongsuphasawat. MIT License
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