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110
static/lib/Highcharts-10.2.1/es-modules/Gantt/Tree.js
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110
static/lib/Highcharts-10.2.1/es-modules/Gantt/Tree.js
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/* *
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*
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* (c) 2016-2021 Highsoft AS
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*
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* Authors: Jon Arild Nygard
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*
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* License: www.highcharts.com/license
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*
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* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
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*
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* */
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/* eslint no-console: 0 */
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'use strict';
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import U from '../Core/Utilities.js';
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var extend = U.extend, isNumber = U.isNumber, pick = U.pick;
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/**
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* Creates an object map from parent id to childrens index.
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*
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* @private
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* @function Highcharts.Tree#getListOfParents
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*
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* @param {Array<*>} data
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* List of points set in options. `Array.parent` is parent id of point.
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*
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* @param {Array<string>} ids
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* List of all point ids.
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*
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* @return {Highcharts.Dictionary<Array<*>>}
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* Map from parent id to children index in data
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*/
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var getListOfParents = function (data, ids) {
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var listOfParents = data.reduce(function (prev, curr) {
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var parent = pick(curr.parent, '');
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if (typeof prev[parent] === 'undefined') {
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prev[parent] = [];
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}
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prev[parent].push(curr);
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return prev;
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}, {}), parents = Object.keys(listOfParents);
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// If parent does not exist, hoist parent to root of tree.
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parents.forEach(function (parent, list) {
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var children = listOfParents[parent];
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if ((parent !== '') && (ids.indexOf(parent) === -1)) {
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children.forEach(function (child) {
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list[''].push(child);
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});
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delete list[parent];
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}
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});
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return listOfParents;
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};
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var getNode = function (id, parent, level, data, mapOfIdToChildren, options) {
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var descendants = 0, height = 0, after = options && options.after, before = options && options.before, node = {
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data: data,
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depth: level - 1,
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id: id,
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level: level,
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parent: parent
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}, start, end, children;
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// Allow custom logic before the children has been created.
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if (typeof before === 'function') {
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before(node, options);
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}
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// Call getNode recursively on the children. Calulate the height of the
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// node, and the number of descendants.
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children = ((mapOfIdToChildren[id] || [])).map(function (child) {
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var node = getNode(child.id, id, (level + 1), child, mapOfIdToChildren, options), childStart = child.start, childEnd = (child.milestone === true ?
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childStart :
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child.end);
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// Start should be the lowest child.start.
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start = ((!isNumber(start) || childStart < start) ?
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childStart :
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start);
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// End should be the largest child.end.
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// If child is milestone, then use start as end.
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end = ((!isNumber(end) || childEnd > end) ?
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childEnd :
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end);
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descendants = descendants + 1 + node.descendants;
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height = Math.max(node.height + 1, height);
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return node;
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});
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// Calculate start and end for point if it is not already explicitly set.
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if (data) {
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data.start = pick(data.start, start);
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data.end = pick(data.end, end);
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}
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extend(node, {
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children: children,
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descendants: descendants,
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height: height
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});
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// Allow custom logic after the children has been created.
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if (typeof after === 'function') {
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after(node, options);
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}
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return node;
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};
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var getTree = function (data, options) {
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var ids = data.map(function (d) {
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return d.id;
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}), mapOfIdToChildren = getListOfParents(data, ids);
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return getNode('', null, 1, null, mapOfIdToChildren, options);
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};
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var Tree = {
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getListOfParents: getListOfParents,
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getNode: getNode,
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getTree: getTree
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};
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export default Tree;
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