@elastic/eui/lib/services/color/stepped_gradient.js

Elastic UI Component Library

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getSteppedGradient = void 0;
var _chromaJs = _interopRequireDefault(require("chroma-js"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
function _toConsumableArray(r) { return _arrayWithoutHoles(r) || _iterableToArray(r) || _unsupportedIterableToArray(r) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _iterableToArray(r) { if ("undefined" != typeof Symbol && null != r[Symbol.iterator] || null != r["@@iterator"]) return Array.from(r); }
function _arrayWithoutHoles(r) { if (Array.isArray(r)) return _arrayLikeToArray(r); }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; } /*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License
 * 2.0 and the Server Side Public License, v 1; you may not use this file except
 * in compliance with, at your election, the Elastic License 2.0 or the Server
 * Side Public License, v 1.
 */
var getSteppedGradient = exports.getSteppedGradient = function getSteppedGradient(colors, steps) {
  var range = colors[colors.length - 1].stop - colors[0].stop;
  var offset = colors[0].stop;
  var finalStops = _toConsumableArray(colors.map(function (item) {
    return (item.stop - offset) / range;
  }));
  var color = _toConsumableArray(colors.map(function (item) {
    return item.color;
  }));
  return _chromaJs.default.scale(color).domain(finalStops).colors(steps);
};