508 lines
18 KiB
JavaScript
508 lines
18 KiB
JavaScript
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(function (global, factory) {
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typeof exports === "object" && typeof module !== "undefined"
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? (module.exports = factory())
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: typeof define === "function" && define.amd
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? define(factory)
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: ((global = global || self), (global.morphdom = factory()));
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})(this, function () {
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"use strict";
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var DOCUMENT_FRAGMENT_NODE = 11;
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function morphAttrs(fromNode, toNode) {
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var toNodeAttrs = toNode.attributes;
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var attr;
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var attrName;
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var attrNamespaceURI;
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var attrValue;
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var fromValue;
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if (
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toNode.nodeType === DOCUMENT_FRAGMENT_NODE ||
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fromNode.nodeType === DOCUMENT_FRAGMENT_NODE
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) {
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return;
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}
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for (var i = toNodeAttrs.length - 1; i >= 0; i--) {
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attr = toNodeAttrs[i];
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attrName = attr.name;
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attrNamespaceURI = attr.namespaceURI;
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attrValue = attr.value;
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if (attrNamespaceURI) {
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attrName = attr.localName || attrName;
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fromValue = fromNode.getAttributeNS(attrNamespaceURI, attrName);
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if (fromValue !== attrValue) {
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if (attr.prefix === "xmlns") {
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attrName = attr.name;
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}
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fromNode.setAttributeNS(attrNamespaceURI, attrName, attrValue);
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}
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} else {
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fromValue = fromNode.getAttribute(attrName);
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if (fromValue !== attrValue) {
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fromNode.setAttribute(attrName, attrValue);
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}
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}
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}
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var fromNodeAttrs = fromNode.attributes;
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for (var d = fromNodeAttrs.length - 1; d >= 0; d--) {
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attr = fromNodeAttrs[d];
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attrName = attr.name;
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attrNamespaceURI = attr.namespaceURI;
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if (attrNamespaceURI) {
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attrName = attr.localName || attrName;
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if (!toNode.hasAttributeNS(attrNamespaceURI, attrName)) {
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fromNode.removeAttributeNS(attrNamespaceURI, attrName);
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}
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} else {
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if (!toNode.hasAttribute(attrName)) {
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fromNode.removeAttribute(attrName);
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}
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}
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}
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}
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var range;
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var NS_XHTML = "http://www.w3.org/1999/xhtml";
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var doc = typeof document === "undefined" ? undefined : document;
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var HAS_TEMPLATE_SUPPORT = !!doc && "content" in doc.createElement("template");
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var HAS_RANGE_SUPPORT =
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!!doc && doc.createRange && "createContextualFragment" in doc.createRange();
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function createFragmentFromTemplate(str) {
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var template = doc.createElement("template");
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template.innerHTML = str;
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return template.content.childNodes[0];
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}
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function createFragmentFromRange(str) {
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if (!range) {
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range = doc.createRange();
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range.selectNode(doc.body);
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}
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var fragment = range.createContextualFragment(str);
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return fragment.childNodes[0];
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}
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function createFragmentFromWrap(str) {
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var fragment = doc.createElement("body");
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fragment.innerHTML = str;
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return fragment.childNodes[0];
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}
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function toElement(str) {
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str = str.trim();
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if (HAS_TEMPLATE_SUPPORT) {
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return createFragmentFromTemplate(str);
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} else if (HAS_RANGE_SUPPORT) {
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return createFragmentFromRange(str);
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}
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return createFragmentFromWrap(str);
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}
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function compareNodeNames(fromEl, toEl) {
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var fromNodeName = fromEl.nodeName;
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var toNodeName = toEl.nodeName;
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var fromCodeStart, toCodeStart;
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if (fromNodeName === toNodeName) {
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return true;
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}
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fromCodeStart = fromNodeName.charCodeAt(0);
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toCodeStart = toNodeName.charCodeAt(0);
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if (fromCodeStart <= 90 && toCodeStart >= 97) {
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return fromNodeName === toNodeName.toUpperCase();
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} else if (toCodeStart <= 90 && fromCodeStart >= 97) {
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return toNodeName === fromNodeName.toUpperCase();
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} else {
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return false;
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}
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}
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function createElementNS(name, namespaceURI) {
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return !namespaceURI || namespaceURI === NS_XHTML
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? doc.createElement(name)
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: doc.createElementNS(namespaceURI, name);
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}
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function moveChildren(fromEl, toEl) {
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var curChild = fromEl.firstChild;
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while (curChild) {
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var nextChild = curChild.nextSibling;
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toEl.appendChild(curChild);
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curChild = nextChild;
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}
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return toEl;
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}
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function syncBooleanAttrProp(fromEl, toEl, name) {
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if (fromEl[name] !== toEl[name]) {
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fromEl[name] = toEl[name];
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if (fromEl[name]) {
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fromEl.setAttribute(name, "");
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} else {
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fromEl.removeAttribute(name);
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}
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}
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}
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var specialElHandlers = {
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OPTION: function (fromEl, toEl) {
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var parentNode = fromEl.parentNode;
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if (parentNode) {
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var parentName = parentNode.nodeName.toUpperCase();
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if (parentName === "OPTGROUP") {
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parentNode = parentNode.parentNode;
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parentName = parentNode && parentNode.nodeName.toUpperCase();
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}
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if (parentName === "SELECT" && !parentNode.hasAttribute("multiple")) {
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if (fromEl.hasAttribute("selected") && !toEl.selected) {
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fromEl.setAttribute("selected", "selected");
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fromEl.removeAttribute("selected");
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}
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parentNode.selectedIndex = -1;
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}
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}
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syncBooleanAttrProp(fromEl, toEl, "selected");
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},
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INPUT: function (fromEl, toEl) {
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syncBooleanAttrProp(fromEl, toEl, "checked");
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syncBooleanAttrProp(fromEl, toEl, "disabled");
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if (fromEl.value !== toEl.value) {
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fromEl.value = toEl.value;
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}
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if (!toEl.hasAttribute("value")) {
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fromEl.removeAttribute("value");
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}
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},
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TEXTAREA: function (fromEl, toEl) {
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var newValue = toEl.value;
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if (fromEl.value !== newValue) {
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fromEl.value = newValue;
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}
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var firstChild = fromEl.firstChild;
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if (firstChild) {
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var oldValue = firstChild.nodeValue;
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if (oldValue == newValue || (!newValue && oldValue == fromEl.placeholder)) {
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return;
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}
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firstChild.nodeValue = newValue;
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}
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},
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SELECT: function (fromEl, toEl) {
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if (!toEl.hasAttribute("multiple")) {
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var selectedIndex = -1;
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var i = 0;
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var curChild = fromEl.firstChild;
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var optgroup;
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var nodeName;
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while (curChild) {
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nodeName = curChild.nodeName && curChild.nodeName.toUpperCase();
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if (nodeName === "OPTGROUP") {
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optgroup = curChild;
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curChild = optgroup.firstChild;
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} else {
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if (nodeName === "OPTION") {
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if (curChild.hasAttribute("selected")) {
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selectedIndex = i;
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break;
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}
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i++;
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}
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curChild = curChild.nextSibling;
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if (!curChild && optgroup) {
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curChild = optgroup.nextSibling;
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optgroup = null;
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}
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}
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}
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fromEl.selectedIndex = selectedIndex;
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}
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},
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};
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var ELEMENT_NODE = 1;
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var DOCUMENT_FRAGMENT_NODE$1 = 11;
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var TEXT_NODE = 3;
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var COMMENT_NODE = 8;
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function noop() {}
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function defaultGetNodeKey(node) {
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if (node) {
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return (node.getAttribute && node.getAttribute("id")) || node.id;
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}
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}
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function morphdomFactory(morphAttrs) {
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return function morphdom(fromNode, toNode, options) {
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if (!options) {
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options = {};
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}
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if (typeof toNode === "string") {
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if (
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fromNode.nodeName === "#document" ||
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fromNode.nodeName === "HTML" ||
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fromNode.nodeName === "BODY"
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) {
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var toNodeHtml = toNode;
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toNode = doc.createElement("html");
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toNode.innerHTML = toNodeHtml;
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} else {
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toNode = toElement(toNode);
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}
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} else if (toNode.nodeType === DOCUMENT_FRAGMENT_NODE$1) {
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toNode = toNode.firstElementChild;
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}
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var getNodeKey = options.getNodeKey || defaultGetNodeKey;
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var onBeforeNodeAdded = options.onBeforeNodeAdded || noop;
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var onNodeAdded = options.onNodeAdded || noop;
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var onBeforeElUpdated = options.onBeforeElUpdated || noop;
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var onElUpdated = options.onElUpdated || noop;
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var onBeforeNodeDiscarded = options.onBeforeNodeDiscarded || noop;
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var onNodeDiscarded = options.onNodeDiscarded || noop;
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var onBeforeElChildrenUpdated = options.onBeforeElChildrenUpdated || noop;
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var skipFromChildren = options.skipFromChildren || noop;
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var addChild =
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options.addChild ||
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function (parent, child) {
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return parent.appendChild(child);
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};
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var childrenOnly = options.childrenOnly === true;
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var fromNodesLookup = Object.create(null);
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var keyedRemovalList = [];
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function addKeyedRemoval(key) {
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keyedRemovalList.push(key);
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}
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function walkDiscardedChildNodes(node, skipKeyedNodes) {
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if (node.nodeType === ELEMENT_NODE) {
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var curChild = node.firstChild;
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while (curChild) {
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var key = undefined;
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if (skipKeyedNodes && (key = getNodeKey(curChild))) {
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addKeyedRemoval(key);
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} else {
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onNodeDiscarded(curChild);
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if (curChild.firstChild) {
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walkDiscardedChildNodes(curChild, skipKeyedNodes);
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}
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}
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curChild = curChild.nextSibling;
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}
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}
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}
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function removeNode(node, parentNode, skipKeyedNodes) {
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if (onBeforeNodeDiscarded(node) === false) {
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return;
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}
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if (parentNode) {
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parentNode.removeChild(node);
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}
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onNodeDiscarded(node);
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walkDiscardedChildNodes(node, skipKeyedNodes);
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}
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function indexTree(node) {
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if (node.nodeType === ELEMENT_NODE || node.nodeType === DOCUMENT_FRAGMENT_NODE$1) {
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var curChild = node.firstChild;
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while (curChild) {
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var key = getNodeKey(curChild);
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if (key) {
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fromNodesLookup[key] = curChild;
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}
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indexTree(curChild);
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curChild = curChild.nextSibling;
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}
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}
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}
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indexTree(fromNode);
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function handleNodeAdded(el) {
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onNodeAdded(el);
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var curChild = el.firstChild;
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while (curChild) {
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var nextSibling = curChild.nextSibling;
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var key = getNodeKey(curChild);
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if (key) {
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var unmatchedFromEl = fromNodesLookup[key];
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if (unmatchedFromEl && compareNodeNames(curChild, unmatchedFromEl)) {
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curChild.parentNode.replaceChild(unmatchedFromEl, curChild);
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morphEl(unmatchedFromEl, curChild);
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} else {
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handleNodeAdded(curChild);
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}
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} else {
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handleNodeAdded(curChild);
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}
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curChild = nextSibling;
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}
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}
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function cleanupFromEl(fromEl, curFromNodeChild, curFromNodeKey) {
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while (curFromNodeChild) {
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var fromNextSibling = curFromNodeChild.nextSibling;
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if ((curFromNodeKey = getNodeKey(curFromNodeChild))) {
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addKeyedRemoval(curFromNodeKey);
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} else {
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removeNode(curFromNodeChild, fromEl, true);
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}
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curFromNodeChild = fromNextSibling;
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}
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}
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function morphEl(fromEl, toEl, childrenOnly) {
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var toElKey = getNodeKey(toEl);
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if (toElKey) {
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delete fromNodesLookup[toElKey];
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}
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if (!childrenOnly) {
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if (onBeforeElUpdated(fromEl, toEl) === false) {
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return;
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}
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morphAttrs(fromEl, toEl);
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onElUpdated(fromEl);
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if (onBeforeElChildrenUpdated(fromEl, toEl) === false) {
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return;
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}
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}
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if (fromEl.nodeName !== "TEXTAREA") {
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morphChildren(fromEl, toEl);
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} else {
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specialElHandlers.TEXTAREA(fromEl, toEl);
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}
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}
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function morphChildren(fromEl, toEl) {
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var skipFrom = skipFromChildren(fromEl, toEl);
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var curToNodeChild = toEl.firstChild;
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var curFromNodeChild = fromEl.firstChild;
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var curToNodeKey;
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var curFromNodeKey;
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var fromNextSibling;
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var toNextSibling;
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var matchingFromEl;
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outer: while (curToNodeChild) {
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toNextSibling = curToNodeChild.nextSibling;
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curToNodeKey = getNodeKey(curToNodeChild);
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while (!skipFrom && curFromNodeChild) {
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fromNextSibling = curFromNodeChild.nextSibling;
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if (curToNodeChild.isSameNode && curToNodeChild.isSameNode(curFromNodeChild)) {
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curToNodeChild = toNextSibling;
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curFromNodeChild = fromNextSibling;
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continue outer;
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}
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curFromNodeKey = getNodeKey(curFromNodeChild);
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||
|
|
var curFromNodeType = curFromNodeChild.nodeType;
|
||
|
|
var isCompatible = undefined;
|
||
|
|
if (curFromNodeType === curToNodeChild.nodeType) {
|
||
|
|
if (curFromNodeType === ELEMENT_NODE) {
|
||
|
|
if (curToNodeKey) {
|
||
|
|
if (curToNodeKey !== curFromNodeKey) {
|
||
|
|
if ((matchingFromEl = fromNodesLookup[curToNodeKey])) {
|
||
|
|
if (fromNextSibling === matchingFromEl) {
|
||
|
|
isCompatible = false;
|
||
|
|
} else {
|
||
|
|
fromEl.insertBefore(matchingFromEl, curFromNodeChild);
|
||
|
|
if (curFromNodeKey) {
|
||
|
|
addKeyedRemoval(curFromNodeKey);
|
||
|
|
} else {
|
||
|
|
removeNode(curFromNodeChild, fromEl, true);
|
||
|
|
}
|
||
|
|
curFromNodeChild = matchingFromEl;
|
||
|
|
curFromNodeKey = getNodeKey(curFromNodeChild);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
isCompatible = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else if (curFromNodeKey) {
|
||
|
|
isCompatible = false;
|
||
|
|
}
|
||
|
|
isCompatible =
|
||
|
|
isCompatible !== false && compareNodeNames(curFromNodeChild, curToNodeChild);
|
||
|
|
if (isCompatible) {
|
||
|
|
morphEl(curFromNodeChild, curToNodeChild);
|
||
|
|
}
|
||
|
|
} else if (curFromNodeType === TEXT_NODE || curFromNodeType == COMMENT_NODE) {
|
||
|
|
isCompatible = true;
|
||
|
|
if (curFromNodeChild.nodeValue !== curToNodeChild.nodeValue) {
|
||
|
|
curFromNodeChild.nodeValue = curToNodeChild.nodeValue;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (isCompatible) {
|
||
|
|
curToNodeChild = toNextSibling;
|
||
|
|
curFromNodeChild = fromNextSibling;
|
||
|
|
continue outer;
|
||
|
|
}
|
||
|
|
if (curFromNodeKey) {
|
||
|
|
addKeyedRemoval(curFromNodeKey);
|
||
|
|
} else {
|
||
|
|
removeNode(curFromNodeChild, fromEl, true);
|
||
|
|
}
|
||
|
|
curFromNodeChild = fromNextSibling;
|
||
|
|
}
|
||
|
|
if (
|
||
|
|
curToNodeKey &&
|
||
|
|
(matchingFromEl = fromNodesLookup[curToNodeKey]) &&
|
||
|
|
compareNodeNames(matchingFromEl, curToNodeChild)
|
||
|
|
) {
|
||
|
|
if (!skipFrom) {
|
||
|
|
addChild(fromEl, matchingFromEl);
|
||
|
|
}
|
||
|
|
morphEl(matchingFromEl, curToNodeChild);
|
||
|
|
} else {
|
||
|
|
var onBeforeNodeAddedResult = onBeforeNodeAdded(curToNodeChild);
|
||
|
|
if (onBeforeNodeAddedResult !== false) {
|
||
|
|
if (onBeforeNodeAddedResult) {
|
||
|
|
curToNodeChild = onBeforeNodeAddedResult;
|
||
|
|
}
|
||
|
|
if (curToNodeChild.actualize) {
|
||
|
|
curToNodeChild = curToNodeChild.actualize(fromEl.ownerDocument || doc);
|
||
|
|
}
|
||
|
|
addChild(fromEl, curToNodeChild);
|
||
|
|
handleNodeAdded(curToNodeChild);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
curToNodeChild = toNextSibling;
|
||
|
|
curFromNodeChild = fromNextSibling;
|
||
|
|
}
|
||
|
|
cleanupFromEl(fromEl, curFromNodeChild, curFromNodeKey);
|
||
|
|
var specialElHandler = specialElHandlers[fromEl.nodeName];
|
||
|
|
if (specialElHandler) {
|
||
|
|
specialElHandler(fromEl, toEl);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
var morphedNode = fromNode;
|
||
|
|
var morphedNodeType = morphedNode.nodeType;
|
||
|
|
var toNodeType = toNode.nodeType;
|
||
|
|
if (!childrenOnly) {
|
||
|
|
if (morphedNodeType === ELEMENT_NODE) {
|
||
|
|
if (toNodeType === ELEMENT_NODE) {
|
||
|
|
if (!compareNodeNames(fromNode, toNode)) {
|
||
|
|
onNodeDiscarded(fromNode);
|
||
|
|
morphedNode = moveChildren(
|
||
|
|
fromNode,
|
||
|
|
createElementNS(toNode.nodeName, toNode.namespaceURI),
|
||
|
|
);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
morphedNode = toNode;
|
||
|
|
}
|
||
|
|
} else if (morphedNodeType === TEXT_NODE || morphedNodeType === COMMENT_NODE) {
|
||
|
|
if (toNodeType === morphedNodeType) {
|
||
|
|
if (morphedNode.nodeValue !== toNode.nodeValue) {
|
||
|
|
morphedNode.nodeValue = toNode.nodeValue;
|
||
|
|
}
|
||
|
|
return morphedNode;
|
||
|
|
} else {
|
||
|
|
morphedNode = toNode;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (morphedNode === toNode) {
|
||
|
|
onNodeDiscarded(fromNode);
|
||
|
|
} else {
|
||
|
|
if (toNode.isSameNode && toNode.isSameNode(morphedNode)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
morphEl(morphedNode, toNode, childrenOnly);
|
||
|
|
if (keyedRemovalList) {
|
||
|
|
for (var i = 0, len = keyedRemovalList.length; i < len; i++) {
|
||
|
|
var elToRemove = fromNodesLookup[keyedRemovalList[i]];
|
||
|
|
if (elToRemove) {
|
||
|
|
removeNode(elToRemove, elToRemove.parentNode, false);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!childrenOnly && morphedNode !== fromNode && fromNode.parentNode) {
|
||
|
|
if (morphedNode.actualize) {
|
||
|
|
morphedNode = morphedNode.actualize(fromNode.ownerDocument || doc);
|
||
|
|
}
|
||
|
|
fromNode.parentNode.replaceChild(morphedNode, fromNode);
|
||
|
|
}
|
||
|
|
return morphedNode;
|
||
|
|
};
|
||
|
|
}
|
||
|
|
var morphdom = morphdomFactory(morphAttrs);
|
||
|
|
return morphdom;
|
||
|
|
});
|