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* @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';
// MODULES //
var isObject = require( '@stdlib/assert/is-plain-object' );
var format = require( '@stdlib/string/format' );
var copy = require( '@stdlib/utils/copy' );
var Plot = require( './main.js' );
// MAIN //
/**
* Returns a reusable function for generating plots.
*
* @param {Options} [options] - factory options
* TODO
* @throws {TypeError} must provide an object
* @returns {Function} plot function
*
* @example
* var opts = {
* 'width': 600,
* 'height': 400
* };
* var plot = factory( opts );
* var h1 = plot( [[1,2,3]], [[1,0,1]] );
* var h2 = plot( [[4,5,6]], [[0,1,0]] );
*/
function factory( options ) {
var opts;
if ( arguments.length ) {
if ( !isObject( options ) ) {
throw new TypeError( format( 'invalid argument. Options argument must be an object. Value: `%s`.', options ) );
}
opts = copy( options );
} else {
opts = {};
}
return plot;
/**
* Creates a plot.
*
* @private
* @param {Array} [x] - x-values
* @param {Array} [y] - y-values
* @throws {TypeError} must provide valid options
* @returns {Plot} plot instance
*/
function plot( x, y ) {
if ( arguments.length === 2 ) {
return new Plot( x, y, opts );
}
return new Plot( opts );
}
}
// EXPORTS //
module.exports = factory;
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