highcharts
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JavaScript charting framework
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JavaScript
/**
* @license Highcharts JS v12.1.2 (2024-12-21)
* @module highcharts/highcharts
*
* (c) 2009-2024 Torstein Honsi
*
* License: www.highcharts.com/license
*/
(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
(root["_Highcharts"] = factory(),module.exports = root["_Highcharts"]);
else if(typeof define === 'function' && define.amd)
define("highcharts/highcharts", [], factory);
else if(typeof exports === 'object')
(root["_Highcharts"] = factory(),exports["highcharts"] = root["_Highcharts"]);
else
((root["Highcharts"] && root["Highcharts"].error(16, true)), root["Highcharts"] = factory());
})(typeof window === 'undefined' ? this : window, () => {
return /******/ (() => { // webpackBootstrap
/******/ "use strict";
/******/ // The require scope
/******/ var __webpack_require__ = {};
/******/
/************************************************************************/
/******/ /* webpack/runtime/define property getters */
/******/ (() => {
/******/ // define getter functions for harmony exports
/******/ __webpack_require__.d = (exports, definition) => {
/******/ for(var key in definition) {
/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
/******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
/******/ }
/******/ }
/******/ };
/******/ })();
/******/
/******/ /* webpack/runtime/hasOwnProperty shorthand */
/******/ (() => {
/******/ __webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop))
/******/ })();
/******/
/************************************************************************/
var __webpack_exports__ = {};
// EXPORTS
__webpack_require__.d(__webpack_exports__, {
"default": () => (/* binding */ highcharts_gantt_src)
});
;// ./code/es-modules/Core/Globals.js
/* *
*
* (c) 2010-2024 Torstein Honsi
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
/* *
*
* Namespace
*
* */
/**
* Shared Highcharts properties.
* @private
*/
var Globals;
(function (Globals) {
/* *
*
* Constants
*
* */
Globals.SVG_NS = 'http://www.w3.org/2000/svg', Globals.product = 'Highcharts', Globals.version = '12.1.2', Globals.win = (typeof window !== 'undefined' ?
window :
{}), // eslint-disable-line node/no-unsupported-features/es-builtins
Globals.doc = Globals.win.document, Globals.svg = (Globals.doc &&
Globals.doc.createElementNS &&
!!Globals.doc.createElementNS(Globals.SVG_NS, 'svg').createSVGRect), Globals.pageLang = Globals.doc?.documentElement?.closest('[lang]')?.lang, Globals.userAgent = (Globals.win.navigator && Globals.win.navigator.userAgent) || '', Globals.isChrome = Globals.win.chrome, Globals.isFirefox = Globals.userAgent.indexOf('Firefox') !== -1, Globals.isMS = /(edge|msie|trident)/i.test(Globals.userAgent) && !Globals.win.opera, Globals.isSafari = !Globals.isChrome && Globals.userAgent.indexOf('Safari') !== -1, Globals.isTouchDevice = /(Mobile|Android|Windows Phone)/.test(Globals.userAgent), Globals.isWebKit = Globals.userAgent.indexOf('AppleWebKit') !== -1, Globals.deg2rad = Math.PI * 2 / 360, Globals.marginNames = [
'plotTop',
'marginRight',
'marginBottom',
'plotLeft'
], Globals.noop = function () { }, Globals.supportsPassiveEvents = (function () {
// Checks whether the browser supports passive events, (#11353).
let supportsPassive = false;
// Object.defineProperty doesn't work on IE as well as passive
// events - instead of using polyfill, we can exclude IE totally.
if (!Globals.isMS) {
const opts = Object.defineProperty({}, 'passive', {
get: function () {
supportsPassive = true;
}
});
if (Globals.win.addEventListener && Globals.win.removeEventListener) {
Globals.win.addEventListener('testPassive', Globals.noop, opts);
Globals.win.removeEventListener('testPassive', Globals.noop, opts);
}
}
return supportsPassive;
}());
/**
* An array containing the current chart objects in the page. A chart's
* position in the array is preserved throughout the page's lifetime. When
* a chart is destroyed, the array item becomes `undefined`.
*
* @name Highcharts.charts
* @type {Array<Highcharts.Chart|undefined>}
*/
Globals.charts = [];
/**
* A shared registry between all bundles to keep track of applied
* compositions.
* @private
*/
Globals.composed = [];
/**
* A hook for defining additional date format specifiers. New
* specifiers are defined as key-value pairs by using the
* specifier as key, and a function which takes the timestamp as
* value. This function returns the formatted portion of the
* date.
*
* Using `dateFormats` is also a convenient way to define new keys for
* complex locale-aware date formats compatible with the
* [Intl.DateTimeFormat](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/DateTimeFormat)
* browser API, whenever the built-in formats are not sufficient.
*
* @sample highcharts/global/dateformats/
* Adding support for week number
* @sample highcharts/global/dateformats-object/
* A locale-aware date format using `Intl.DateTimeFormat`
*
* @name Highcharts.dateFormats
* @type {Record<string, Highcharts.TimeFormatCallbackFunction>}
*/
Globals.dateFormats = {};
/**
* @private
* @deprecated
* @todo Use only `Core/Series/SeriesRegistry.seriesTypes`
*/
Globals.seriesTypes = {};
/**
* @private
*/
Globals.symbolSizes = {};
/* *
*
* Properties
*
* */
// eslint-disable-next-line prefer-const
Globals.chartCount = 0;
})(Globals || (Globals = {}));
/* *
*
* Default Export
*
* */
/* harmony default export */ const Core_Globals = (Globals);
/* *
*
* API Declarations
*
* */
/**
* Theme options that should get applied to the chart. In module mode it
* might not be possible to change this property because of read-only
* restrictions, instead use {@link Highcharts.setOptions}.
*
* @deprecated
* @name Highcharts.theme
* @type {Highcharts.Options}
*/
(''); // Keeps doclets above in JS file
;// ./code/es-modules/Core/Utilities.js
/* *
*
* (c) 2010-2024 Torstein Honsi
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
const { charts, doc, win } = Core_Globals;
/* *
*
* Functions
*
* */
/**
* Provide error messages for debugging, with links to online explanation. This
* function can be overridden to provide custom error handling.
*
* @sample highcharts/chart/highcharts-error/
* Custom error handler
*
* @function Highcharts.error
*
* @param {number|string} code
* The error code. See
* [errors.xml](https://github.com/highcharts/highcharts/blob/master/errors/errors.xml)
* for available codes. If it is a string, the error message is printed
* directly in the console.
*
* @param {boolean} [stop=false]
* Whether to throw an error or just log a warning in the console.
*
* @param {Highcharts.Chart} [chart]
* Reference to the chart that causes the error. Used in 'debugger'
* module to display errors directly on the chart.
* Important note: This argument is undefined for errors that lack
* access to the Chart instance. In such case, the error will be
* displayed on the last created chart.
*
* @param {Highcharts.Dictionary<string>} [params]
* Additional parameters for the generated message.
*
* @return {void}
*/
function error(code, stop, chart, params) {
const severity = stop ? 'Highcharts error' : 'Highcharts warning';
if (code === 32) {
code = `${severity}: Deprecated member`;
}
const isCode = isNumber(code);
let message = isCode ?
`${severity} #${code}: www.highcharts.com/errors/${code}/` :
code.toString();
const defaultHandler = function () {
if (stop) {
throw new Error(message);
}
// Else ...
if (win.console &&
error.messages.indexOf(message) === -1 // Prevent console flooting
) {
console.warn(message); // eslint-disable-line no-console
}
};
if (typeof params !== 'undefined') {
let additionalMessages = '';
if (isCode) {
message += '?';
}
objectEach(params, function (value, key) {
additionalMessages += `\n - ${key}: ${value}`;
if (isCode) {
message += encodeURI(key) + '=' + encodeURI(value);
}
});
message += additionalMessages;
}
fireEvent(Core_Globals, 'displayError', { chart, code, message, params }, defaultHandler);
error.messages.push(message);
}
(function (error) {
error.messages = [];
})(error || (error = {}));
/**
* Utility function to deep merge two or more objects and return a third object.
* If the first argument is true, the contents of the second object is copied
* into the first object. The merge function can also be used with a single
* object argument to create a deep copy of an object.
*
* @function Highcharts.merge<T>
*
* @param {true | T} extendOrSource
* Whether to extend the left-side object,
* or the first object to merge as a deep copy.
*
* @param {...Array<object|undefined>} [sources]
* Object(s) to merge into the previous one.
*
* @return {T}
* The merged object. If the first argument is true, the return is the
* same as the second argument.
*/
function merge(extendOrSource, ...sources) {
let i, args = [extendOrSource, ...sources], ret = {};
const doCopy = function (copy, original) {
// An object is replacing a primitive
if (typeof copy !== 'object') {
copy = {};
}
objectEach(original, function (value, key) {
// Prototype pollution (#14883)
if (key === '__proto__' || key === 'constructor') {
return;
}
// Copy the contents of objects, but not arrays or DOM nodes
if (isObject(value, true) &&
!isClass(value) &&
!isDOMElement(value)) {
copy[key] = doCopy(copy[key] || {}, value);
// Primitives and arrays are copied over directly
}
else {
copy[key] = original[key];
}
});
return copy;
};
// If first argument is true, copy into the existing object. Used in
// setOptions.
if (extendOrSource === true) {
ret = args[1];
args = Array.prototype.slice.call(args, 2);
}
// For each argument, extend the return
const len = args.length;
for (i = 0; i < len; i++) {
ret = doCopy(ret, args[i]);
}
return ret;
}
/**
* Constrain a value to within a lower and upper threshold.
*
* @private
* @param {number} value The initial value
* @param {number} min The lower threshold
* @param {number} max The upper threshold
* @return {number} Returns a number value within min and max.
*/
function clamp(value, min, max) {
return value > min ? value < max ? value : max : min;
}
/**
* Utility for crisping a line position to the nearest full pixel depening on
* the line width
* @param {number} value The raw pixel position
* @param {number} lineWidth The line width
* @param {boolean} [inverted] Whether the containing group is inverted.
* Crisping round numbers on the y-scale need to go
* to the other side because the coordinate system
* is flipped (scaleY is -1)
* @return {number} The pixel position to use for a crisp display
*/
function crisp(value, lineWidth = 0, inverted) {
const mod = lineWidth % 2 / 2, inverter = inverted ? -1 : 1;
return (Math.round(value * inverter - mod) + mod) * inverter;
}
// eslint-disable-next-line valid-jsdoc
/**
* Return the deep difference between two objects. It can either return the new
* properties, or optionally return the old values of new properties.
* @private
*/
function diffObjects(newer, older, keepOlder, collectionsWithUpdate) {
const ret = {};
/**
* Recurse over a set of options and its current values, and store the
* current values in the ret object.
*/
function diff(newer, older, ret, depth) {
const keeper = keepOlder ? older : newer;
objectEach(newer, function (newerVal, key) {
if (!depth &&
collectionsWithUpdate &&
collectionsWithUpdate.indexOf(key) > -1 &&
older[key]) {
newerVal = splat(newerVal);
ret[key] = [];
// Iterate over collections like series, xAxis or yAxis and map
// the items by index.
for (let i = 0; i < Math.max(newerVal.length, older[key].length); i++) {
// Item exists in current data (#6347)
if (older[key][i]) {
// If the item is missing from the new data, we need to
// save the whole config structure. Like when
// responsively updating from a dual axis layout to a
// single axis and back (#13544).
if (newerVal[i] === void 0) {
ret[key][i] = older[key][i];
// Otherwise, proceed
}
else {
ret[key][i] = {};
diff(newerVal[i], older[key][i], ret[key][i], depth + 1);
}
}
}
}
else if (isObject(newerVal, true) &&
!newerVal.nodeType // #10044
) {
ret[key] = isArray(newerVal) ? [] : {};
diff(newerVal, older[key] || {}, ret[key], depth + 1);
// Delete empty nested objects
if (Object.keys(ret[key]).length === 0 &&
// Except colorAxis which is a special case where the empty
// object means it is enabled. Which is unfortunate and we
// should try to find a better way.
!(key === 'colorAxis' && depth === 0)) {
delete ret[key];
}
}
else if (newer[key] !== older[key] ||
// If the newer key is explicitly undefined, keep it (#10525)
(key in newer && !(key in older))) {
if (key !== '__proto__' && key !== 'constructor') {
ret[key] = keeper[key];
}
}
});
}
diff(newer, older, ret, 0);
return ret;
}
/**
* Shortcut for parseInt
*
* @private
* @function Highcharts.pInt
*
* @param {*} s
* any
*
* @param {number} [mag]
* Magnitude
*
* @return {number}
* number
*/
function pInt(s, mag) {
return parseInt(s, mag || 10);
}
/**
* Utility function to check for string type.
*
* @function Highcharts.isString
*
* @param {*} s
* The item to check.
*
* @return {boolean}
* True if the argument is a string.
*/
function isString(s) {
return typeof s === 'string';
}
/**
* Utility function to check if an item is an array.
*
* @function Highcharts.isArray
*
* @param {*} obj
* The item to check.
*
* @return {boolean}
* True if the argument is an array.
*/
function isArray(obj) {
const str = Object.prototype.toString.call(obj);
return str === '[object Array]' || str === '[object Array Iterator]';
}
/**
* Utility function to check if an item is of type object.
*
* @function Highcharts.isObject
*
* @param {*} obj
* The item to check.
*
* @param {boolean} [strict=false]
* Also checks that the object is not an array.
*
* @return {boolean}
* True if the argument is an object.
*/
function isObject(obj, strict) {
return (!!obj &&
typeof obj === 'object' &&
(!strict || !isArray(obj))); // eslint-disable-line @typescript-eslint/no-explicit-any
}
/**
* Utility function to check if an Object is a HTML Element.
*
* @function Highcharts.isDOMElement
*
* @param {*} obj
* The item to check.
*
* @return {boolean}
* True if the argument is a HTML Element.
*/
function isDOMElement(obj) {
return isObject(obj) && typeof obj.nodeType === 'number';
}
/**
* Utility function to check if an Object is a class.
*
* @function Highcharts.isClass
*
* @param {object|undefined} obj
* The item to check.
*
* @return {boolean}
* True if the argument is a class.
*/
function isClass(obj) {
const c = obj && obj.constructor;
return !!(isObject(obj, true) &&
!isDOMElement(obj) &&
(c && c.name && c.name !== 'Object'));
}
/**
* Utility function to check if an item is a number and it is finite (not NaN,
* Infinity or -Infinity).
*
* @function Highcharts.isNumber
*
* @param {*} n
* The item to check.
*
* @return {boolean}
* True if the item is a finite number
*/
function isNumber(n) {
return typeof n === 'number' && !isNaN(n) && n < Infinity && n > -Infinity;
}
/**
* Remove the last occurence of an item from an array.
*
* @function Highcharts.erase
*
* @param {Array<*>} arr
* The array.
*
* @param {*} item
* The item to remove.
*
* @return {void}
*/
function erase(arr, item) {
let i = arr.length;
while (i--) {
if (arr[i] === item) {
arr.splice(i, 1);
break;
}
}
}
/**
* Insert a series or an axis in a collection with other items, either the
* chart series or yAxis series or axis collections, in the correct order
* according to the index option and whether it is internal. Used internally
* when adding series and axes.
*
* @private
* @function Highcharts.Chart#insertItem
* @param {Highcharts.Series|Highcharts.Axis} item
* The item to insert
* @param {Array<Highcharts.Series>|Array<Highcharts.Axis>} collection
* A collection of items, like `chart.series` or `xAxis.series`.
* @return {number} The index of the series in the collection.
*/
function insertItem(item, collection) {
const indexOption = item.options.index, length = collection.length;
let i;
for (
// Internal item (navigator) should always be pushed to the end
i = item.options.isInternal ? length : 0; i < length + 1; i++) {
if (
// No index option, reached the end of the collection,
// equivalent to pushing
!collection[i] ||
// Handle index option, the element to insert has lower index
(isNumber(indexOption) &&
indexOption < pick(collection[i].options.index, collection[i]._i)) ||
// Insert the new item before other internal items
// (navigator)
collection[i].options.isInternal) {
collection.splice(i, 0, item);
break;
}
}
return i;
}
/**
* Adds an item to an array, if it is not present in the array.
*
* @function Highcharts.pushUnique
*
* @param {Array<unknown>} array
* The array to add the item to.
*
* @param {unknown} item
* The item to add.
*
* @return {boolean}
* Returns true, if the item was not present and has been added.
*/
function pushUnique(array, item) {
return array.indexOf(item) < 0 && !!array.push(item);
}
/**
* Check if an object is null or undefined.
*
* @function Highcharts.defined
*
* @param {*} obj
* The object to check.
*
* @return {boolean}
* False if the object is null or undefined, otherwise true.
*/
function defined(obj) {
return typeof obj !== 'undefined' && obj !== null;
}
/**
* Set or get an attribute or an object of attributes.
*
* To use as a setter, pass a key and a value, or let the second argument be a
* collection of keys and values. When using a collection, passing a value of
* `null` or `undefined` will remove the attribute.
*
* To use as a getter, pass only a string as the second argument.
*
* @function Highcharts.attr
*
* @param {Highcharts.HTMLDOMElement|Highcharts.SVGDOMElement} elem
* The DOM element to receive the attribute(s).
*
* @param {string|Highcharts.HTMLAttributes|Highcharts.SVGAttributes} [keyOrAttribs]
* The property or an object of key-value pairs.
*
* @param {number|string} [value]
* The value if a single property is set.
*
* @return {string|null|undefined}
* When used as a getter, return the value.
*/
function attr(elem, keyOrAttribs, value) {
const isGetter = isString(keyOrAttribs) && !defined(value);
let ret;
const attrSingle = (value, key) => {
// Set the value
if (defined(value)) {
elem.setAttribute(key, value);
// Get the value
}
else if (isGetter) {
ret = elem.getAttribute(key);
// IE7 and below cannot get class through getAttribute (#7850)
if (!ret && key === 'class') {
ret = elem.getAttribute(key + 'Name');
}
// Remove the value
}
else {
elem.removeAttribute(key);
}
};
// If keyOrAttribs is a string
if (isString(keyOrAttribs)) {
attrSingle(value, keyOrAttribs);
// Else if keyOrAttribs is defined, it is a hash of key/value pairs
}
else {
objectEach(keyOrAttribs, attrSingle);
}
return ret;
}
/**
* Check if an element is an array, and if not, make it into an array.
*
* @function Highcharts.splat
*
* @param {*} obj
* The object to splat.
*
* @return {Array}
* The produced or original array.
*/
function splat(obj) {
return isArray(obj) ? obj : [obj];
}
/**
* Set a timeout if the delay is given, otherwise perform the function
* synchronously.
*
* @function Highcharts.syncTimeout
*
* @param {Function} fn
* The function callback.
*
* @param {number} delay
* Delay in milliseconds.
*
* @param {*} [context]
* An optional context to send to the function callback.
*
* @return {number}
* An identifier for the timeout that can later be cleared with
* Highcharts.clearTimeout. Returns -1 if there is no timeout.
*/
function syncTimeout(fn, delay, context) {
if (delay > 0) {
return setTimeout(fn, delay, context);
}
fn.call(0, context);
return -1;
}
/**
* Internal clear timeout. The function checks that the `id` was not removed
* (e.g. by `chart.destroy()`). For the details see
* [issue #7901](https://github.com/highcharts/highcharts/issues/7901).
*
* @function Highcharts.clearTimeout
*
* @param {number|undefined} id
* Id of a timeout.
*/
function internalClearTimeout(id) {
if (defined(id)) {
clearTimeout(id);
}
}
/* eslint-disable valid-jsdoc */
/**
* Utility function to extend an object with the members of another.
*
* @function Highcharts.extend<T>
*
* @param {T|undefined} a
* The object to be extended.
*
* @param {Partial<T>} b
* The object to add to the first one.
*
* @return {T}
* Object a, the original object.
*/
function extend(a, b) {
/* eslint-enable valid-jsdoc */
let n;
if (!a) {
a = {};
}
for (n in b) { // eslint-disable-line guard-for-in
a[n] = b[n];
}
return a;
}
/* eslint-disable valid-jsdoc */
/**
* Return the first value that is not null or undefined.
*
* @function Highcharts.pick<T>
*
* @param {...Array<T|null|undefined>} items
* Variable number of arguments to inspect.
*
* @return {T}
* The value of the first argument that is not null or undefined.
*/
function pick() {
const args = arguments;
const length = args.length;
for (let i = 0; i < length; i++) {
const arg = args[i];
if (typeof arg !== 'undefined' && arg !== null) {
return arg;
}
}
}
/**
* Set CSS on a given element.
*
* @function Highcharts.css
*
* @param {Highcharts.HTMLDOMElement|Highcharts.SVGDOMElement} el
* An HTML DOM element.
*
* @param {Highcharts.CSSObject} styles
* Style object with camel case property names.
*
* @return {void}
*/
function css(el, styles) {
extend(el.style, styles);
}
/**
* Utility function to create an HTML element with attributes and styles.
*
* @function Highcharts.createElement
*
* @param {string} tag
* The HTML tag.
*
* @param {Highcharts.HTMLAttributes} [attribs]
* Attributes as an object of key-value pairs.
*
* @param {Highcharts.CSSObject} [styles]
* Styles as an object of key-value pairs.
*
* @param {Highcharts.HTMLDOMElement} [parent]
* The parent HTML object.
*
* @param {boolean} [nopad=false]
* If true, remove all padding, border and margin.
*
* @return {Highcharts.HTMLDOMElement}
* The created DOM element.
*/
function createElement(tag, attribs, styles, parent, nopad) {
const el = doc.createElement(tag);
if (attribs) {
extend(el, attribs);
}
if (nopad) {
css(el, { padding: '0', border: 'none', margin: '0' });
}
if (styles) {
css(el, styles);
}
if (parent) {
parent.appendChild(el);
}
return el;
}
// eslint-disable-next-line valid-jsdoc
/**
* Extend a prototyped class by new members.
*
* @deprecated
* @function Highcharts.extendClass<T>
*
* @param {Highcharts.Class<T>} parent
* The parent prototype to inherit.
*
* @param {Highcharts.Dictionary<*>} members
* A collection of prototype members to add or override compared to the
* parent prototype.
*
* @return {Highcharts.Class<T>}
* A new prototype.
*/
function extendClass(parent, members) {
const obj = (function () { });
obj.prototype = new parent(); // eslint-disable-line new-cap
extend(obj.prototype, members);
return obj;
}
/**
* Left-pad a string to a given length by adding a character repetitively.
*
* @function Highcharts.pad
*
* @param {number} number
* The input string or number.
*
* @param {number} [length]
* The desired string length.
*
* @param {string} [padder=0]
* The character to pad with.
*
* @return {string}
* The padded string.
*/
function pad(number, length, padder) {
return new Array((length || 2) +
1 -
String(number)
.replace('-', '')
.length).join(padder || '0') + number;
}
/**
* Return a length based on either the integer value, or a percentage of a base.
*
* @function Highcharts.relativeLength
*
* @param {Highcharts.RelativeSize} value
* A percentage string or a number.
*
* @param {number} base
* The full length that represents 100%.
*
* @param {number} [offset=0]
* A pixel offset to apply for percentage values. Used internally in
* axis positioning.
*
* @return {number}
* The computed length.
*/
function relativeLength(value, base, offset) {
return (/%$/).test(value) ?
(base * parseFloat(value) / 100) + (offset || 0) :
parseFloat(value);
}
/**
* Replaces text in a string with a given replacement in a loop to catch nested
* matches after previous replacements.
*
* @function Highcharts.replaceNested
*
* @param {string} text
* Text to search and modify.
*
* @param {...Array<(RegExp|string)>} replacements
* One or multiple tuples with search pattern (`[0]: (string|RegExp)`) and
* replacement (`[1]: string`) for matching text.
*
* @return {string}
* Text with replacements.
*/
function replaceNested(text, ...replacements) {
let previous, replacement;
do {
previous = text;
for (replacement of replacements) {
text = text.replace(replacement[0], replacement[1]);
}
} while (text !== previous);
return text;
}
/**
* Wrap a method with extended functionality, preserving the original function.
*
* @function Highcharts.wrap
*
* @param {*} obj
* The context object that the method belongs to. In real cases, this is
* often a prototype.
*
* @param {string} method
* The name of the method to extend.
*
* @param {Highcharts.WrapProceedFunction} func
* A wrapper function callback. This function is called with the same
* arguments as the original function, except that the original function
* is unshifted and passed as the first argument.
*/
function wrap(obj, method, func) {
const proceed = obj[method];
obj[method] = function () {
const outerArgs = arguments, scope = this;
return func.apply(this, [
function () {
return proceed.apply(scope, arguments.length ? arguments : outerArgs);
}
].concat([].slice.call(arguments)));
};
}
/**
* Get the magnitude of a number.
*
* @function Highcharts.getMagnitude
*
* @param {number} num
* The number.
*
* @return {number}
* The magnitude, where 1-9 are magnitude 1, 10-99 magnitude 2 etc.
*/
function getMagnitude(num) {
return Math.pow(10, Math.floor(Math.log(num) / Math.LN10));
}
/**
* Take an interval and normalize it to multiples of round numbers.
*
* @deprecated
* @function Highcharts.normalizeTickInterval
*
* @param {number} interval
* The raw, un-rounded interval.
*
* @param {Array<*>} [multiples]
* Allowed multiples.
*
* @param {number} [magnitude]
* The magnitude of the number.
*
* @param {boolean} [allowDecimals]
* Whether to allow decimals.
*
* @param {boolean} [hasTickAmount]
* If it has tickAmount, avoid landing on tick intervals lower than
* original.
*
* @return {number}
* The normalized interval.
*
* @todo
* Move this function to the Axis prototype. It is here only for historical
* reasons.
*/
function normalizeTickInterval(interval, multiples, magnitude, allowDecimals, hasTickAmount) {
let i, retInterval = interval;
// Round to a tenfold of 1, 2, 2.5 or 5
magnitude = pick(magnitude, getMagnitude(interval));
const normalized = interval / magnitude;
// Multiples for a linear scale
if (!multiples) {
multiples = hasTickAmount ?
// Finer grained ticks when the tick amount is hard set, including
// when alignTicks is true on multiple axes (#4580).
[1, 1.2, 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10] :
// Else, let ticks fall on rounder numbers
[1, 2, 2.5, 5, 10];
// The allowDecimals option
if (allowDecimals === false) {
if (magnitude === 1) {
multiples = multiples.filter(function (num) {
return num % 1 === 0;
});
}
else if (magnitude <= 0.1) {
multiples = [1 / magnitude];
}
}
}
// Normalize the interval to the nearest multiple
for (i = 0; i < multiples.length; i++) {
retInterval = multiples[i];
// Only allow tick amounts smaller than natural
if ((hasTickAmount &&
retInterval * magnitude >= interval) ||
(!hasTickAmount &&
(normalized <=
(multiples[i] +
(multiples[i + 1] || multiples[i])) / 2))) {
break;
}
}
// Multiply back to the correct magnitude. Correct floats to appropriate
// precision (#6085).
retInterval = correctFloat(retInterval * magnitude, -Math.round(Math.log(0.001) / Math.LN10));
return retInterval;
}
/**
* Sort an object array and keep the order of equal items. The ECMAScript
* standard does not specify the behaviour when items are equal.
*
* @function Highcharts.stableSort
*
* @param {Array<*>} arr
* The array to sort.
*
* @param {Function} sortFunction
* The function to sort it with, like with regular Array.prototype.sort.
*/
function stableSort(arr, sortFunction) {
// @todo It seems like Chrome since v70 sorts in a stable way internally,
// plus all other browsers do it, so over time we may be able to remove this
// function
const length = arr.length;
let sortValue, i;
// Add index to each item
for (i = 0; i < length; i++) {
arr[i].safeI = i; // Stable sort index
}
arr.sort(function (a, b) {
sortValue = sortFunction(a, b);
return sortValue === 0 ? a.safeI - b.safeI : sortValue;
});
// Remove index from items
for (i = 0; i < length; i++) {
delete arr[i].safeI; // Stable sort index
}
}
/**
* Non-recursive method to find the lowest member of an array. `Math.min` raises
* a maximum call stack size exceeded error in Chrome when trying to apply more
* than 150.000 points. This method is slightly slower, but safe.
*
* @function Highcharts.arrayMin
*
* @param {Array<*>} data
* An array of numbers.
*
* @return {number}
* The lowest number.
*/
function arrayMin(data) {
let i = data.length, min = data[0];
while (i--) {
if (data[i] < min) {
min = data[i];
}
}
return min;
}
/**
* Non-recursive method to find the lowest member of an array. `Math.max` raises
* a maximum call stack size exceeded error in Chrome when trying to apply more
* than 150.000 points. This method is slightly slower, but safe.
*
* @function Highcharts.arrayMax
*
* @param {Array<*>} data
* An array of numbers.
*
* @return {number}
* The highest number.
*/
function arrayMax(data) {
let i = data.length, max = data[0];
while (i--) {
if (data[i] > max) {
max = data[i];
}
}
return max;
}
/**
* Utility method that destroys any SVGElement instances that are properties on
* the given object. It loops all properties and invokes destroy if there is a
* destroy method. The property is then delete.
*
* @function Highcharts.destroyObjectProperties
*
* @param {*} obj
* The object to destroy properties on.
*
* @param {*} [except]
* Exception, do not destroy this property, only delete it.
*/
function destroyObjectProperties(obj, except, destructablesOnly) {
objectEach(obj, function (val, n) {
// If the object is non-null and destroy is defined
if (val !== except && val?.destroy) {
// Invoke the destroy
val.destroy();
}
// Delete the property from the object
if (val?.destroy || !destructablesOnly) {
delete obj[n];
}
});
}
/**
* Discard a HTML element
*
* @function Highcharts.discardElement
*
* @param {Highcharts.HTMLDOMElement} element
* The HTML node to discard.
*/
function discardElement(element) {
if (element && element.parentElement) {
element.parentElement.removeChild(element);
}
}
/**
* Fix JS round off float errors.
*
* @function Highcharts.correctFloat
*
* @param {number} num
* A float number to fix.
*
* @param {number} [prec=14]
* The precision.
*
* @return {number}
* The corrected float number.
*/
function correctFloat(num, prec) {
// When the number is higher than 1e14 use the number (#16275)
return num > 1e14 ? num : parseFloat(num.toPrecision(prec || 14));
}
/**
* The time unit lookup
*
* @ignore
*/
const timeUnits = {
millisecond: 1,
second: 1000,
minute: 60000,
hour: 3600000,
day: 24 * 3600000,
week: 7 * 24 * 3600000,
month: 28 * 24 * 3600000,
year: 364 * 24 * 3600000
};
/**
* Easing definition
*
* @private
* @function Math.easeInOutSine
*
* @param {number} pos
* Current position, ranging from 0 to 1.
*
* @return {number}
* Ease result
*/
Math.easeInOutSine = function (pos) {
return -0.5 * (Math.cos(Math.PI * pos) - 1);
};
/**
* Convenience function to get the align factor, used several places for
* computing positions
* @private
*/
const getAlignFactor = (align = '') => ({
center: 0.5,
right: 1,
middle: 0.5,
bottom: 1
}[align] || 0);
/**
* Find the closest distance between two values of a two-dimensional array
* @private
* @function Highcharts.getClosestDistance
*
* @param {Array<Array<number>>} arrays
* An array of arrays of numbers
*
* @return {number | undefined}
* The closest distance between values
*/
function getClosestDistance(arrays, onError) {
const allowNegative = !onError;
let closest, loopLength, distance, i;
arrays.forEach((xData) => {
if (xData.length > 1) {
loopLength = xData.length - 1;
for (i = loopLength; i > 0; i--) {
distance = xData[i] - xData[i - 1];
if (distance < 0 && !allowNegative) {
onError?.();
// Only one call
onError = void 0;
}
else if (distance && (typeof closest === 'undefined' || distance < closest)) {
closest = distance;
}
}
}
});
return closest;
}
/**
* Returns the value of a property path on a given object.
*
* @private
* @function getNestedProperty
*
* @param {string} path
* Path to the property, for example `custom.myValue`.
*
* @param {unknown} obj
* Instance containing the property on the specific path.
*
* @return {unknown}
* The unknown property value.
*/
function getNestedProperty(path, parent) {
const pathElements = path.split('.');
while (pathElements.length && defined(parent)) {
const pathElement = pathElements.shift();
// Filter on the key
if (typeof pathElement === 'undefined' ||
pathElement === '__proto__') {
return; // Undefined
}
if (pathElement === 'this') {
let thisProp;
if (isObject(parent)) {
thisProp = parent['@this'];
}
return thisProp ?? parent;
}
const child = parent[pathElement.replace(/[\\'"]/g, '')];
// Filter on the child
if (!defined(child) ||
typeof child === 'function' ||
typeof child.nodeType === 'number' ||
child === win) {
return; // Undefined
}
// Else, proceed
parent = child;
}
return parent;
}
/**
* Get the computed CSS value for given element and property, only for numerical
* properties. For width and height, the dimension of the inner box (excluding
* padding) is returned. Used for fitting the chart within the container.
*
* @function Highcharts.getStyle
*
* @param {Highcharts.HTMLDOMElement} el
* An HTML element.
*
* @param {string} prop
* The property name.
*
* @param {boolean} [toInt=true]
* Parse to integer.
*
* @return {number|string|undefined}
* The style value.
*/
function getStyle(el, prop, toInt) {
let style;
// For width and height, return the actual inner pixel size (#4913)
if (prop === 'width') {
let offsetWidth = Math.min(el.offsetWidth, el.scrollWidth);
// In flex boxes, we need to use getBoundingClientRect and floor it,
// because scrollWidth doesn't support subpixel precision (#6427) ...
const boundingClientRectWidth = el.getBoundingClientRect &&
el.getBoundingClientRect().width;
// ...unless if the containing div or its parents are transform-scaled
// down, in which case the boundingClientRect can't be used as it is
// also scaled down (#9871, #10498).
if (boundingClientRectWidth < offsetWidth &&
boundingClientRectWidth >= offsetWidth - 1) {
offsetWidth = Math.floor(boundingClientRectWidth);
}
return Math.max(0, // #8377
(offsetWidth -
(getStyle(el, 'padding-left', true) || 0) -
(getStyle(el, 'padding-right', true) || 0)));
}
if (prop === 'height') {
return Math.max(0, // #8377
(Math.min(el.offsetHeight, el.scrollHeight) -
(getStyle(el, 'padding-top', true) || 0) -
(getStyle(el, 'padding-bottom', true) || 0)));
}
// Otherwise, get the computed style
const css = win.getComputedStyle(el, void 0); // eslint-disable-line no-undefined
if (css) {
style = css.getPropertyValue(prop);
if (pick(toInt, prop !== 'opacity')) {
style = pInt(style);
}
}
return style;
}
/**
* Return the value of the first element in the array that satisfies the
* provided testing function.
*
* @function Highcharts.find<T>
*
* @param {Array<T>} arr
* The array to test.
*
* @param {Function} callback
* The callback function. The function receives the item as the first
* argument. Return `true` if this item satisfies the condition.
*
* @return {T|undefined}
* The value of the element.
*/
const find = Array.prototype.find ?
function (arr, callback) {
return arr.find(callback);
} :
// Legacy implementation. PhantomJS, IE <= 11 etc. #7223.
function (arr, callback) {
let i;
const length = arr.length;
for (i = 0; i < length; i++) {
if (callback(arr[i], i)) { // eslint-disable-line node/callback-return
return arr[i];
}
}
};
/**
* Get the element's offset position, corrected for `overflow: auto`.
*
* @function Highcharts.offset
*
* @param {global.Element} el
* The DOM element.
*
* @return {Highcharts.OffsetObject}
* An object containing `left` and `top` properties for the position in
* the page.
*/
function offset(el) {
const docElem = doc.documentElement, box = (el.parentElement || el.parentNode) ?
el.getBoundingClientRect() :
{ top: 0, left: 0, width: 0, height: 0 };
return {
top: box.top + (win.pageYOffset || docElem.scrollTop) -
(docElem.clientTop || 0),
left: box.left + (win.pageXOffset || docElem.scrollLeft) -
(docElem.clientLeft || 0),
width: box.width,
height: box.height
};
}
/* eslint-disable valid-jsdoc */
/**
* Iterate over object key pairs in an object.
*
* @function Highcharts.objectEach<T>
*
* @param {*} obj
* The object to iterate over.
*
* @param {Highcharts.ObjectEachCallbackFunction<T>} fn
* The iterator callback. It passes three arguments:
* * value - The property value.
* * key - The property key.
* * obj - The object that objectEach is being applied to.
*
* @param {T} [ctx]
* The context.
*/
function objectEach(obj, fn, ctx) {
/* eslint-enable valid-jsdoc */
for (const key in obj) {
if (Object.hasOwnProperty.call(obj, key)) {
fn.call(ctx || obj[key], obj[key], key, obj);
}
}
}
/* eslint-disable valid-jsdoc */
/**
* Add an event listener.
*
* @function Highcharts.addEvent<T>
*
* @param {Highcharts.Class<T>|T} el
* The element or object to add a listener to. It can be a
* {@link HTMLDOMElement}, an {@link SVGElement} or any other object.
*
* @param {string} type
* The event type.
*
* @param {Highcharts.EventCallbackFunction<T>|Function} fn
* The function callback to execute when the event is fired.
*
* @param {Highcharts.EventOptionsObject} [options]
* Options for adding the event.
*
* @sample highcharts/members/addevent
* Use a general `render` event to draw shapes on a chart
*
* @return {Function}
* A callback function to remove the added event.
*/
function addEvent(el, type, fn, options = {}) {
/* eslint-enable valid-jsdoc */
// Add hcEvents to either the prototype (in case we're running addEvent on a
// class) or the instance. If hasOwnProperty('hcEvents') is false, it is
// inherited down the prototype chain, in which case we need to set the
// property on this instance (which may itself be a prototype).
const owner = typeof el === 'function' && el.prototype || el;
if (!Object.hasOwnProperty.call(owner, 'hcEvents')) {
owner.hcEvents = {};
}
const events = owner.hcEvents;
// Allow click events added to points, otherwise they will be prevented by
// the TouchPointer.pinch function after a pinch zoom operation (#7091).
if (Core_Globals.Point && // Without H a dependency loop occurs
el instanceof Core_Globals.Point &&
el.series &&
el.series.chart) {
el.series.chart.runTrackerClick = true;
}
// Handle DOM events
// If the browser supports passive events, add it to improve performance
// on touch events (#11353).
const addEventListener = el.addEventListener;
if (addEventListener) {
addEventListener.call(el, type, fn, Core_Globals.supportsPassiveEvents ? {
passive: options.passive === void 0 ?
type.indexOf('touch') !== -1 : options.passive,
capture: false
} : false);
}
if (!events[type]) {
events[type] = [];
}
const eventObject = {
fn,
order: typeof options.order === 'number' ? options.order : Infinity
};
events[type].push(eventObject);
// Order the calls
events[type].sort((a, b) => a.order - b.order);
// Return a function that can be called to remove this event.
return function () {
removeEvent(el, type, fn);
};
}
/* eslint-disable valid-jsdoc */
/**
* Remove an event that was added with {@link Highcharts#addEvent}.
*
* @function Highcharts.removeEvent<T>
*
* @param {Highcharts.Class<T>|T} el
* The element to remove events on.
*
* @param {string} [type]
* The type of events to remove. If undefined, all events are removed
* from the element.
*
* @param {Highcharts.EventCallbackFunction<T>} [fn]
* The specific callback to remove. If undefined, all events that match
* the element and optionally the type are removed.
*
* @return {void}
*/
function removeEvent(el, type, fn) {
/* eslint-enable valid-jsdoc */
/**
* @private
*/
function removeOneEvent(type, fn) {
const removeEventListener = el.removeEventListener;
if (removeEventListener) {
removeEventListener.call(el, type, fn, false);
}
}
/**
* @private
*/
function removeAllEvents(eventCollection) {
let types, len;
if (!el.nodeName) {
return; // Break on non-DOM events
}
if (type) {
types = {};
types[type] = true;
}
else {
types = eventCollection;
}
objectEach(types, function (_val, n) {
if (eventCollection[n]) {
len = eventCollection[n].length;
while (len--) {
removeOneEvent(n, eventCollection[n][len].fn);
}
}
});
}
const owner = typeof el === 'function' && el.prototype || el;
if (Object.hasOwnProperty.call(owner, 'hcEvents')) {
const events = owner.hcEvents;
if (type) {
const typeEvents = (events[type] || []);
if (fn) {
events[type] = typeEvents.filter(function (obj) {
return fn !== obj.fn;
});
removeOneEvent(type, fn);
}
else {
removeAllEvents(events);
events[type] = [];
}
}
else {
removeAllEvents(events);
delete owner.hcEvents;
}
}
}
/* eslint-disable valid-jsdoc */
/**
* Fire an event that was registered with {@link Highcharts#addEvent}.
*
* @function Highcharts.fireEvent<T>
*
* @param {T} el
* The object to fire the event on. It can be a {@link HTMLDOMElement},
* an {@link SVGElement} or any other object.
*
* @param {string} type
* The type of event.
*
* @param {Highcharts.Dictionary<*>|Event} [eventArguments]
* Custom event arguments that are passed on as an argument to the event
* handler.
*
* @param {Highcharts.EventCallbackFunction<T>|Function} [defaultFunction]
* The default function to execute if the other listeners haven't
* returned false.
*
* @return {void}
*/
function fireEvent(el, type, eventArguments, defaultFunction) {
/* eslint-enable valid-jsdoc */
eventArguments = eventArguments || {};
if (doc.createEvent &&
(el.dispatchEvent ||
(el.fireEvent &&
// Enable firing events on Highcharts instance.
el !== Core_Globals))) {
const e = doc.createEvent('Events');
e.initEvent(type, true, true);
eventArguments = extend(e, eventArguments);
if (el.dispatchEvent) {
el.dispatchEvent(eventArguments);
}
else {
el.fireEvent(type, eventArguments);
}
}
else if (el.hcEvents) {
if (!eventArguments.target) {
// We're running a custom event
extend(eventArguments, {
// Attach a simple preve