// https://d3js.org/d3-selection/ Version 1.3.0. Copyright 2018 Mike Bostock. (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; var xhtml = "http://www.w3.org/1999/xhtml"; var namespaces = { svg: "http://www.w3.org/2000/svg", xhtml: xhtml, xlink: "http://www.w3.org/1999/xlink", xml: "http://www.w3.org/XML/1998/namespace", xmlns: "http://www.w3.org/2000/xmlns/" }; function namespace(name) { var prefix = name += "", i = prefix.indexOf(":"); if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; } function creatorInherit(name) { return function() { var document = this.ownerDocument, uri = this.namespaceURI; return uri === xhtml && document.documentElement.namespaceURI === xhtml ? document.createElement(name) : document.createElementNS(uri, name); }; } function creatorFixed(fullname) { return function() { return this.ownerDocument.createElementNS(fullname.space, fullname.local); }; } function creator(name) { var fullname = namespace(name); return (fullname.local ? creatorFixed : creatorInherit)(fullname); } function none() {} function selector(selector) { return selector == null ? none : function() { return this.querySelector(selector); }; } function selection_select(select) { if (typeof select !== "function") select = selector(select); for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { if ("__data__" in node) subnode.__data__ = node.__data__; subgroup[i] = subnode; } } } return new Selection(subgroups, this._parents); } function empty() { return []; } function selectorAll(selector) { return selector == null ? empty : function() { return this.querySelectorAll(selector); }; } function selection_selectAll(select) { if (typeof select !== "function") select = selectorAll(select); for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { if (node = group[i]) { subgroups.push(select.call(node, node.__data__, i, group)); parents.push(node); } } } return new Selection(subgroups, parents); } var matcher = function(selector) { return function() { return this.matches(selector); }; }; if (typeof document !== "undefined") { var element = document.documentElement; if (!element.matches) { var vendorMatches = element.webkitMatchesSelector || element.msMatchesSelector || element.mozMatchesSelector || element.oMatchesSelector; matcher = function(selector) { return function() { return vendorMatches.call(this, selector); }; }; } } var matcher$1 = matcher; function selection_filter(match) { if (typeof match !== "function") match = matcher$1(match); for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { if ((node = group[i]) && match.call(node, node.__data__, i, group)) { subgroup.push(node); } } } return new Selection(subgroups, this._parents); } function sparse(update) { return new Array(update.length); } function selection_enter() { return new Selection(this._enter || this._groups.map(sparse), this._parents); } function EnterNode(parent, datum) { this.ownerDocument = parent.ownerDocument; this.namespaceURI = parent.namespaceURI; this._next = null; this._parent = parent; this.__data__ = datum; } EnterNode.prototype = { constructor: EnterNode, appendChild: function(child) { return this._parent.insertBefore(child, this._next); }, insertBefore: function(child, next) { return this._parent.insertBefore(child, next); }, querySelector: function(selector) { return this._parent.querySelector(selector); }, querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); } }; function constant(x) { return function() { return x; }; } var keyPrefix = "$"; // Protect against keys like “__proto__”. function bindIndex(parent, group, enter, update, exit, data) { var i = 0, node, groupLength = group.length, dataLength = data.length; // Put any non-null nodes that fit into update. // Put any null nodes into enter. // Put any remaining data into enter. for (; i < dataLength; ++i) { if (node = group[i]) { node.__data__ = data[i]; update[i] = node; } else { enter[i] = new EnterNode(parent, data[i]); } } // Put any non-null nodes that don’t fit into exit. for (; i < groupLength; ++i) { if (node = group[i]) { exit[i] = node; } } } function bindKey(parent, group, enter, update, exit, data, key) { var i, node, nodeByKeyValue = {}, groupLength = group.length, dataLength = data.length, keyValues = new Array(groupLength), keyValue; // Compute the key for each node. // If multiple nodes have the same key, the duplicates are added to exit. for (i = 0; i < groupLength; ++i) { if (node = group[i]) { keyValues[i] = keyValue = keyPrefix + key.call(node, node.__data__, i, group); if (keyValue in nodeByKeyValue) { exit[i] = node; } else { nodeByKeyValue[keyValue] = node; } } } // Compute the key for each datum. // If there a node associated with this key, join and add it to update. // If there is not (or the key is a duplicate), add it to enter. for (i = 0; i < dataLength; ++i) { keyValue = keyPrefix + key.call(parent, data[i], i, data); if (node = nodeByKeyValue[keyValue]) { update[i] = node; node.__data__ = data[i]; nodeByKeyValue[keyValue] = null; } else { enter[i] = new EnterNode(parent, data[i]); } } // Add any remaining nodes that were not bound to data to exit. for (i = 0; i < groupLength; ++i) { if ((node = group[i]) && (nodeByKeyValue[keyValues[i]] === node)) { exit[i] = node; } } } function selection_data(value, key) { if (!value) { data = new Array(this.size()), j = -1; this.each(function(d) { data[++j] = d; }); return data; } var bind = key ? bindKey : bindIndex, parents = this._parents, groups = this._groups; if (typeof value !== "function") value = constant(value); for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j = 0; j < m; ++j) { var parent = parents[j], group = groups[j], groupLength = group.length, data = value.call(parent, parent && parent.__data__, j, parents), dataLength = data.length, enterGroup = enter[j] = new Array(dataLength), updateGroup = update[j] = new Array(dataLength), exitGroup = exit[j] = new Array(groupLength); bind(parent, group, enterGroup, updateGroup, exitGroup, data, key); // Now connect the enter nodes to their following update node, such that // appendChild can insert the materialized enter node before this node, // rather than at the end of the parent node. for (var i0 = 0, i1 = 0, previous, next; i0 < dataLength; ++i0) { if (previous = enterGroup[i0]) { if (i0 >= i1) i1 = i0 + 1; while (!(next = updateGroup[i1]) && ++i1 < dataLength); previous._next = next || null; } } } update = new Selection(update, parents); update._enter = enter; update._exit = exit; return update; } function selection_exit() { return new Selection(this._exit || this._groups.map(sparse), this._parents); } function selection_merge(selection$$1) { for (var groups0 = this._groups, groups1 = selection$$1._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { if (node = group0[i] || group1[i]) { merge[i] = node; } } } for (; j < m0; ++j) { merges[j] = groups0[j]; } return new Selection(merges, this._parents); } function selection_order() { for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) { for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0;) { if (node = group[i]) { if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next); next = node; } } } return this; } function selection_sort(compare) { if (!compare) compare = ascending; function compareNode(a, b) { return a && b ? compare(a.__data__, b.__data__) : !a - !b; } for (var groups = this._groups, m = groups.length, sortgroups = new Array(m), j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, sortgroup = sortgroups[j] = new Array(n), node, i = 0; i < n; ++i) { if (node = group[i]) { sortgroup[i] = node; } } sortgroup.sort(compareNode); } return new Selection(sortgroups, this._parents).order(); } function ascending(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; } function selection_call() { var callback = arguments[0]; arguments[0] = this; callback.apply(null, arguments); return this; } function selection_nodes() { var nodes = new Array(this.size()), i = -1; this.each(function() { nodes[++i] = this; }); return nodes; } function selection_node() { for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { for (var group = groups[j], i = 0, n = group.length; i < n; ++i) { var node = group[i]; if (node) return node; } } return null; } function selection_size() { var size = 0; this.each(function() { ++size; }); return size; } function selection_empty() { return !this.node(); } function selection_each(callback) { for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) { if (node = group[i]) callback.call(node, node.__data__, i, group); } } return this; } function attrRemove(name) { return function() { this.removeAttribute(name); }; } function attrRemoveNS(fullname) { return function() { this.removeAttributeNS(fullname.space, fullname.local); }; } function attrConstant(name, value) { return function() { this.setAttribute(name, value); }; } function attrConstantNS(fullname, value) { return function() { this.setAttributeNS(fullname.space, fullname.local, value); }; } function attrFunction(name, value) { return function() { var v = value.apply(this, arguments); if (v == null) this.removeAttribute(name); else this.setAttribute(name, v); }; } function attrFunctionNS(fullname, value) { return function() { var v = value.apply(this, arguments); if (v == null) this.removeAttributeNS(fullname.space, fullname.local); else this.setAttributeNS(fullname.space, fullname.local, v); }; } function selection_attr(name, value) { var fullname = namespace(name); if (arguments.length < 2) { var node = this.node(); return fullname.local ? node.getAttributeNS(fullname.space, fullname.local) : node.getAttribute(fullname); } return this.each((value == null ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" ? (fullname.local ? attrFunctionNS : attrFunction) : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); } function defaultView(node) { return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node || (node.document && node) // node is a Window || node.defaultView; // node is a Document } function styleRemove(name) { return function() { this.style.removeProperty(name); }; } function styleConstant(name, value, priority) { return function() { this.style.setProperty(name, value, priority); }; } function styleFunction(name, value, priority) { return function() { var v = value.apply(this, arguments); if (v == null) this.style.removeProperty(name); else this.style.setProperty(name, v, priority); }; } function selection_style(name, value, priority) { return arguments.length > 1 ? this.each((value == null ? styleRemove : typeof value === "function" ? styleFunction : styleConstant)(name, value, priority == null ? "" : priority)) : styleValue(this.node(), name); } function styleValue(node, name) { return node.style.getPropertyValue(name) || defaultView(node).getComputedStyle(node, null).getPropertyValue(name); } function propertyRemove(name) { return function() { delete this[name]; }; } function propertyConstant(name, value) { return function() { this[name] = value; }; } function propertyFunction(name, value) { return function() { var v = value.apply(this, arguments); if (v == null) delete this[name]; else this[name] = v; }; } function selection_property(name, value) { return arguments.length > 1 ? this.each((value == null ? propertyRemove : typeof value === "function" ? propertyFunction : propertyConstant)(name, value)) : this.node()[name]; } function classArray(string) { return string.trim().split(/^|\s+/); } function classList(node) { return node.classList || new ClassList(node); } function ClassList(node) { this._node = node; this._names = classArray(node.getAttribute("class") || ""); } ClassList.prototype = { add: function(name) { var i = this._names.indexOf(name); if (i < 0) { this._names.push(name); this._node.setAttribute("class", this._names.join(" ")); } }, remove: function(name) { var i = this._names.indexOf(name); if (i >= 0) { this._names.splice(i, 1); this._node.setAttribute("class", this._names.join(" ")); } }, contains: function(name) { return this._names.indexOf(name) >= 0; } }; function classedAdd(node, names) { var list = classList(node), i = -1, n = names.length; while (++i < n) list.add(names[i]); } function classedRemove(node, names) { var list = classList(node), i = -1, n = names.length; while (++i < n) list.remove(names[i]); } function classedTrue(names) { return function() { classedAdd(this, names); }; } function classedFalse(names) { return function() { classedRemove(this, names); }; } function classedFunction(names, value) { return function() { (value.apply(this, arguments) ? classedAdd : classedRemove)(this, names); }; } function selection_classed(name, value) { var names = classArray(name + ""); if (arguments.length < 2) { var list = classList(this.node()), i = -1, n = names.length; while (++i < n) if (!list.contains(names[i])) return false; return true; } return this.each((typeof value === "function" ? classedFunction : value ? classedTrue : classedFalse)(names, value)); } function textRemove() { this.textContent = ""; } function textConstant(value) { return function() { this.textContent = value; }; } function textFunction(value) { return function() { var v = value.apply(this, arguments); this.textContent = v == null ? "" : v; }; } function selection_text(value) { return arguments.length ? this.each(value == null ? textRemove : (typeof value === "function" ? textFunction : textConstant)(value)) : this.node().textContent; } function htmlRemove() { this.innerHTML = ""; } function htmlConstant(value) { return function() { this.innerHTML = value; }; } function htmlFunction(value) { return function() { var v = value.apply(this, arguments); this.innerHTML = v == null ? "" : v; }; } function selection_html(value) { return arguments.length ? this.each(value == null ? htmlRemove : (typeof value === "function" ? htmlFunction : htmlConstant)(value)) : this.node().innerHTML; } function raise() { if (this.nextSibling) this.parentNode.appendChild(this); } function selection_raise() { return this.each(raise); } function lower() { if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild); } function selection_lower() { return this.each(lower); } function selection_append(name) { var create = typeof name === "function" ? name : creator(name); return this.select(function() { return this.appendChild(create.apply(this, arguments)); }); } function constantNull() { return null; } function selection_insert(name, before) { var create = typeof name === "function" ? name : creator(name), select = before == null ? constantNull : typeof before === "function" ? before : selector(before); return this.select(function() { return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null); }); } function remove() { var parent = this.parentNode; if (parent) parent.removeChild(this); } function selection_remove() { return this.each(remove); } function selection_cloneShallow() { return this.parentNode.insertBefore(this.cloneNode(false), this.nextSibling); } function selection_cloneDeep() { return this.parentNode.insertBefore(this.cloneNode(true), this.nextSibling); } function selection_clone(deep) { return this.select(deep ? selection_cloneDeep : selection_cloneShallow); } function selection_datum(value) { return arguments.length ? this.property("__data__", value) : this.node().__data__; } var filterEvents = {}; exports.event = null; if (typeof document !== "undefined") { var element$1 = document.documentElement; if (!("onmouseenter" in element$1)) { filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"}; } } function filterContextListener(listener, index, group) { listener = contextListener(listener, index, group); return function(event) { var related = event.relatedTarget; if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) { listener.call(this, event); } }; } function contextListener(listener, index, group) { return function(event1) { var event0 = exports.event; // Events can be reentrant (e.g., focus). exports.event = event1; try { listener.call(this, this.__data__, index, group); } finally { exports.event = event0; } }; } function parseTypenames(typenames) { return typenames.trim().split(/^|\s+/).map(function(t) { var name = "", i = t.indexOf("."); if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); return {type: t, name: name}; }); } function onRemove(typename) { return function() { var on = this.__on; if (!on) return; for (var j = 0, i = -1, m = on.length, o; j < m; ++j) { if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) { this.removeEventListener(o.type, o.listener, o.capture); } else { on[++i] = o; } } if (++i) on.length = i; else delete this.__on; }; } function onAdd(typename, value, capture) { var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener; return function(d, i, group) { var on = this.__on, o, listener = wrap(value, i, group); if (on) for (var j = 0, m = on.length; j < m; ++j) { if ((o = on[j]).type === typename.type && o.name === typename.name) { this.removeEventListener(o.type, o.listener, o.capture); this.addEventListener(o.type, o.listener = listener, o.capture = capture); o.value = value; return; } } this.addEventListener(typename.type, listener, capture); o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture}; if (!on) this.__on = [o]; else on.push(o); }; } function selection_on(typename, value, capture) { var typenames = parseTypenames(typename + ""), i, n = typenames.length, t; if (arguments.length < 2) { var on = this.node().__on; if (on) for (var j = 0, m = on.length, o; j < m; ++j) { for (i = 0, o = on[j]; i < n; ++i) { if ((t = typenames[i]).type === o.type && t.name === o.name) { return o.value; } } } return; } on = value ? onAdd : onRemove; if (capture == null) capture = false; for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture)); return this; } function customEvent(event1, listener, that, args) { var event0 = exports.event; event1.sourceEvent = exports.event; exports.event = event1; try { return listener.apply(that, args); } finally { exports.event = event0; } } function dispatchEvent(node, type, params) { var window = defaultView(node), event = window.CustomEvent; if (typeof event === "function") { event = new event(type, params); } else { event = window.document.createEvent("Event"); if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; else event.initEvent(type, false, false); } node.dispatchEvent(event); } function dispatchConstant(type, params) { return function() { return dispatchEvent(this, type, params); }; } function dispatchFunction(type, params) { return function() { return dispatchEvent(this, type, params.apply(this, arguments)); }; } function selection_dispatch(type, params) { return this.each((typeof params === "function" ? dispatchFunction : dispatchConstant)(type, params)); } var root = [null]; function Selection(groups, parents) { this._groups = groups; this._parents = parents; } function selection() { return new Selection([[document.documentElement]], root); } Selection.prototype = selection.prototype = { constructor: Selection, select: selection_select, selectAll: selection_selectAll, filter: selection_filter, data: selection_data, enter: selection_enter, exit: selection_exit, merge: selection_merge, order: selection_order, sort: selection_sort, call: selection_call, nodes: selection_nodes, node: selection_node, size: selection_size, empty: selection_empty, each: selection_each, attr: selection_attr, style: selection_style, property: selection_property, classed: selection_classed, text: selection_text, html: selection_html, raise: selection_raise, lower: selection_lower, append: selection_append, insert: selection_insert, remove: selection_remove, clone: selection_clone, datum: selection_datum, on: selection_on, dispatch: selection_dispatch }; function select(selector) { return typeof selector === "string" ? new Selection([[document.querySelector(selector)]], [document.documentElement]) : new Selection([[selector]], root); } function create(name) { return select(creator(name).call(document.documentElement)); } var nextId = 0; function local() { return new Local; } function Local() { this._ = "@" + (++nextId).toString(36); } Local.prototype = local.prototype = { constructor: Local, get: function(node) { var id = this._; while (!(id in node)) if (!(node = node.parentNode)) return; return node[id]; }, set: function(node, value) { return node[this._] = value; }, remove: function(node) { return this._ in node && delete node[this._]; }, toString: function() { return this._; } }; function sourceEvent() { var current = exports.event, source; while (source = current.sourceEvent) current = source; return current; } function point(node, event) { var svg = node.ownerSVGElement || node; if (svg.createSVGPoint) { var point = svg.createSVGPoint(); point.x = event.clientX, point.y = event.clientY; point = point.matrixTransform(node.getScreenCTM().inverse()); return [point.x, point.y]; } var rect = node.getBoundingClientRect(); return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; } function mouse(node) { var event = sourceEvent(); if (event.changedTouches) event = event.changedTouches[0]; return point(node, event); } function selectAll(selector) { return typeof selector === "string" ? new Selection([document.querySelectorAll(selector)], [document.documentElement]) : new Selection([selector == null ? [] : selector], root); } function touch(node, touches, identifier) { if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches; for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) { if ((touch = touches[i]).identifier === identifier) { return point(node, touch); } } return null; } function touches(node, touches) { if (touches == null) touches = sourceEvent().touches; for (var i = 0, n = touches ? touches.length : 0, points = new Array(n); i < n; ++i) { points[i] = point(node, touches[i]); } return points; } exports.create = create; exports.creator = creator; exports.local = local; exports.matcher = matcher$1; exports.mouse = mouse; exports.namespace = namespace; exports.namespaces = namespaces; exports.clientPoint = point; exports.select = select; exports.selectAll = selectAll; exports.selection = selection; exports.selector = selector; exports.selectorAll = selectorAll; exports.style = styleValue; exports.touch = touch; exports.touches = touches; exports.window = defaultView; exports.customEvent = customEvent; Object.defineProperty(exports, '__esModule', { value: true }); })));