index.js

/**
* @license Apache-2.0
*
* Copyright (c) 2018 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*    http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

'use strict';

var randu = require( '@stdlib/random/base/randu' );
var Int8Array = require( '@stdlib/array/int8' );
var tristateChart = require( './../lib' );

var chart;
var data;
var str;
var d;
var i;

// Generate some random data...
data = new Int8Array( 50 );
for ( i = 0; i < data.length; i++ ) {
	d = randu();
	if ( d > 0.67 ) {
		d = 1;
	} else if ( d < 0.33 ) {
		d = -1;
	} else {
		d = 0;
	}
	data[ i ] = d;
}

// Create a new tristate chart:
chart = tristateChart( data );

// Render the chart as a string:
str = chart.render();

console.log( str );
// => '...'