All files / lib/props/x-tick-format get.js

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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 format = require( 'd3-format' ).format; // TODO: remove
var timeFormat = require( 'd3-time-format' ).timeFormat; // TODO: remove
var isNull = require( '@stdlib/assert/is-null' );
 
 
// MAIN //
 
/**
* Returns the x-axis tick format.
*
* @private
* @returns {(Function|null)} format function or null
*/
function get() {
	/* eslint-disable no-invalid-this */
	if ( isNull( this._xTickFormat ) ) {
		return this._xTickFormat;
	}
	if ( this._xScale === 'time' ) {
		return timeFormat( this._xTickFormat );
	}
	return format( this._xTickFormat );
}
 
 
// EXPORTS //
 
module.exports = get;