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- 'use strict';
-
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.getUniquePropertyValues = getUniquePropertyValues;
- exports.addValueToArray = addValueToArray;
- exports.transformValueToString = transformValueToString;
- // Copyright (c) 2016 - 2017 Uber Technologies, Inc.
- //
- // Permission is hereby granted, free of charge, to any person obtaining a copy
- // of this software and associated documentation files (the "Software"), to deal
- // in the Software without restriction, including without limitation the rights
- // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- // copies of the Software, and to permit persons to whom the Software is
- // furnished to do so, subject to the following conditions:
- //
- // The above copyright notice and this permission notice shall be included in
- // all copies or substantial portions of the Software.
- //
- // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- // THE SOFTWARE.
-
- /**
- * Get unique property values from an array.
- * @param {Array} arr Array of data.
- * @param {string} propertyName Prop name.
- * @returns {Array} Array of unique values.
- */
- function getUniquePropertyValues(arr, accessor) {
- var setOfValues = new Set(arr.map(accessor));
- return Array.from(setOfValues);
- }
-
- /**
- * Add zero to the domain.
- * @param {Array} arr Add zero to the domain.
- * @param {Number} value Add zero to domain.
- * @returns {Array} Adjusted domain.
- */
- function addValueToArray(arr, value) {
- var result = [].concat(arr);
- if (result[0] > value) {
- result[0] = value;
- }
- if (result[result.length - 1] < value) {
- result[result.length - 1] = value;
- }
- return result;
- }
-
- /**
- * Transforms a value ( number or date ) to a string.
- * @param {Date | number} value The value as date or number.
- * @returns {string | number} The value as string.
- */
- function transformValueToString(value) {
- return Object.prototype.toString.call(value) === '[object Date]' ? value.toDateString() : value;
- }
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