Add xPos property

Author: kgryte

lib/node_modules/@stdlib/plot/components/svg/rects/lib/props/x-pos/get.js

@@ -0,0 +1,61 @@
+/**
+* @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 logger = require( 'debug' );
+
+
+// VARIABLES //
+
+var debug = logger( 'rects:x-pos' );
+
+
+// MAIN //
+
+/**
+* Returns a function to map values to `x` coordinate values.
+*
+* @private
+* @returns {Function} map function
+*/
+function get() {
+	/* eslint-disable no-invalid-this */
+	var scale = this.xScale;
+
+	return xPos;
+	/**
+	* Maps a value to an `x` coordinate value.
+	*
+	* @private
+	* @param {*} d - datum
+	* @returns {number} pixel value
+	*/
+	function xPos( d ) {
+		var px = scale( d );
+		debug( 'Value: %d => Pixel: %d.', d, px );
+		return px;
+	}
+}
+
+
+// EXPORTS //
+
+module.exports = get;