2016-10-05 17:04:57 +02:00
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!function(global, factory) {
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'object' == typeof exports && 'undefined' != typeof module ? factory(exports) : 'function' == typeof define && define.amd ? define([ 'exports' ], factory) : factory(global.preact = global.preact || {});
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}(this, function(exports) {
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function VNode(nodeName, attributes, children) {
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this.nodeName = nodeName;
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this.attributes = attributes;
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this.children = children;
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this.key = attributes && attributes.key;
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}
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function h(nodeName, attributes) {
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var children, lastSimple, child, simple, i;
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for (i = arguments.length; i-- > 2; ) stack.push(arguments[i]);
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if (attributes && attributes.children) {
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if (!stack.length) stack.push(attributes.children);
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delete attributes.children;
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}
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while (stack.length) if ((child = stack.pop()) instanceof Array) for (i = child.length; i--; ) stack.push(child[i]); else if (null != child && child !== !1) {
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if ('number' == typeof child || child === !0) child = String(child);
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simple = 'string' == typeof child;
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if (simple && lastSimple) children[children.length - 1] += child; else {
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if (children) children.push(child); else children = [ child ];
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lastSimple = simple;
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}
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}
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var p = new VNode(nodeName, attributes || void 0, children);
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if (options.vnode) options.vnode(p);
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return p;
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}
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function extend(obj, props) {
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if (props) for (var i in props) obj[i] = props[i];
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return obj;
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}
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function clone(obj) {
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return extend({}, obj);
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}
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function delve(obj, key) {
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for (var p = key.split('.'), i = 0; i < p.length && obj; i++) obj = obj[p[i]];
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return obj;
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}
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function isFunction(obj) {
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return 'function' == typeof obj;
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}
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function isString(obj) {
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return 'string' == typeof obj;
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}
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function hashToClassName(c) {
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var str = '';
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for (var prop in c) if (c[prop]) {
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if (str) str += ' ';
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str += prop;
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}
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return str;
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}
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function cloneElement(vnode, props) {
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return h(vnode.nodeName, extend(clone(vnode.attributes), props), arguments.length > 2 ? [].slice.call(arguments, 2) : vnode.children);
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}
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function createLinkedState(component, key, eventPath) {
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var path = key.split('.'), p0 = path[0];
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return function(e) {
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var _component$setState;
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var i, t = e && e.currentTarget || this, s = component.state, obj = s, v = isString(eventPath) ? delve(e, eventPath) : t.nodeName ? (t.nodeName + t.type).match(/^input(che|rad)/i) ? t.checked : t.value : e;
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if (path.length > 1) {
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for (i = 0; i < path.length - 1; i++) obj = obj[path[i]] || (obj[path[i]] = {});
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obj[path[i]] = v;
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v = s[p0];
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}
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component.setState((_component$setState = {}, _component$setState[p0] = v, _component$setState));
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};
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}
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function enqueueRender(component) {
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if (!component._dirty && (component._dirty = !0) && 1 == items.push(component)) (options.debounceRendering || defer)(rerender);
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}
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function rerender() {
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var p, list = items;
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items = [];
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while (p = list.pop()) if (p._dirty) renderComponent(p);
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}
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function isFunctionalComponent(vnode) {
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var nodeName = vnode && vnode.nodeName;
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return nodeName && isFunction(nodeName) && !(nodeName.prototype && nodeName.prototype.render);
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}
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function buildFunctionalComponent(vnode, context) {
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return vnode.nodeName(getNodeProps(vnode), context || EMPTY);
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}
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function isSameNodeType(node, vnode) {
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if (isString(vnode)) return node instanceof Text;
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if (isString(vnode.nodeName)) return isNamedNode(node, vnode.nodeName);
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if (isFunction(vnode.nodeName)) return node._componentConstructor === vnode.nodeName || isFunctionalComponent(vnode); else ;
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}
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function isNamedNode(node, nodeName) {
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return node.normalizedNodeName === nodeName || toLowerCase(node.nodeName) === toLowerCase(nodeName);
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}
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function getNodeProps(vnode) {
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var defaultProps = vnode.nodeName.defaultProps, props = clone(vnode.attributes);
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if (defaultProps) for (var i in defaultProps) if (void 0 === props[i]) props[i] = defaultProps[i];
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if (vnode.children) props.children = vnode.children;
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return props;
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}
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function removeNode(node) {
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var p = node.parentNode;
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if (p) p.removeChild(node);
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}
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function setAccessor(node, name, value, old, isSvg) {
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node[ATTR_KEY][name] = value;
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if ('className' === name) name = 'class';
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if ('class' === name && value && 'object' == typeof value) value = hashToClassName(value);
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if ('key' === name || 'children' === name || 'innerHTML' === name) ; else if ('class' === name && !isSvg) node.className = value || ''; else if ('style' === name) {
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if (!value || isString(value) || isString(old)) node.style.cssText = value || '';
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if (value && 'object' == typeof value) {
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if (!isString(old)) for (var i in old) if (!(i in value)) node.style[i] = '';
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for (var i in value) node.style[i] = 'number' == typeof value[i] && !NON_DIMENSION_PROPS[i] ? value[i] + 'px' : value[i];
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}
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} else if ('dangerouslySetInnerHTML' === name) {
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if (value) node.innerHTML = value.__html;
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} else if ('o' == name[0] && 'n' == name[1]) {
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var l = node._listeners || (node._listeners = {});
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name = toLowerCase(name.substring(2));
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if (value) {
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if (!l[name]) node.addEventListener(name, eventProxy, !!NON_BUBBLING_EVENTS[name]);
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} else if (l[name]) node.removeEventListener(name, eventProxy, !!NON_BUBBLING_EVENTS[name]);
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l[name] = value;
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} else if ('list' !== name && 'type' !== name && !isSvg && name in node) {
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setProperty(node, name, null == value ? '' : value);
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if (null == value || value === !1) node.removeAttribute(name);
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} else {
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var ns = isSvg && name.match(/^xlink\:?(.+)/);
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if (null == value || value === !1) if (ns) node.removeAttributeNS('http://www.w3.org/1999/xlink', toLowerCase(ns[1])); else node.removeAttribute(name); else if ('object' != typeof value && !isFunction(value)) if (ns) node.setAttributeNS('http://www.w3.org/1999/xlink', toLowerCase(ns[1]), value); else node.setAttribute(name, value);
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}
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}
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function setProperty(node, name, value) {
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try {
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node[name] = value;
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} catch (e) {}
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}
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function eventProxy(e) {
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return this._listeners[e.type](options.event && options.event(e) || e);
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}
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function collectNode(node) {
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removeNode(node);
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if (node instanceof Element) {
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node._component = node._componentConstructor = null;
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var _name = node.normalizedNodeName || toLowerCase(node.nodeName);
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(nodes[_name] || (nodes[_name] = [])).push(node);
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}
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}
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function createNode(nodeName, isSvg) {
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var name = toLowerCase(nodeName), node = nodes[name] && nodes[name].pop() || (isSvg ? document.createElementNS('http://www.w3.org/2000/svg', nodeName) : document.createElement(nodeName));
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node.normalizedNodeName = name;
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return node;
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}
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function flushMounts() {
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var c;
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while (c = mounts.pop()) if (c.componentDidMount) c.componentDidMount();
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}
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function diff(dom, vnode, context, mountAll, parent, componentRoot) {
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if (!diffLevel++) isSvgMode = parent instanceof SVGElement;
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var ret = idiff(dom, vnode, context, mountAll);
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if (parent && ret.parentNode !== parent) parent.appendChild(ret);
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if (!--diffLevel && !componentRoot) flushMounts();
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return ret;
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}
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function idiff(dom, vnode, context, mountAll) {
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var originalAttributes = vnode && vnode.attributes;
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while (isFunctionalComponent(vnode)) vnode = buildFunctionalComponent(vnode, context);
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if (null == vnode) vnode = '';
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if (isString(vnode)) {
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if (dom) {
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if (dom instanceof Text && dom.parentNode) {
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dom.nodeValue = vnode;
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return dom;
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}
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recollectNodeTree(dom);
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}
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return document.createTextNode(vnode);
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}
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if (isFunction(vnode.nodeName)) return buildComponentFromVNode(dom, vnode, context, mountAll);
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var out = dom, nodeName = vnode.nodeName, prevSvgMode = isSvgMode;
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if (!isString(nodeName)) nodeName = String(nodeName);
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isSvgMode = 'svg' === nodeName ? !0 : 'foreignObject' === nodeName ? !1 : isSvgMode;
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if (!dom) out = createNode(nodeName, isSvgMode); else if (!isNamedNode(dom, nodeName)) {
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out = createNode(nodeName, isSvgMode);
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while (dom.firstChild) out.appendChild(dom.firstChild);
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recollectNodeTree(dom);
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}
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if (vnode.children && 1 === vnode.children.length && 'string' == typeof vnode.children[0] && 1 === out.childNodes.length && out.firstChild instanceof Text) out.firstChild.nodeValue = vnode.children[0]; else if (vnode.children || out.firstChild) innerDiffNode(out, vnode.children, context, mountAll);
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var props = out[ATTR_KEY];
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if (!props) {
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out[ATTR_KEY] = props = {};
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for (var a = out.attributes, i = a.length; i--; ) props[a[i].name] = a[i].value;
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}
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diffAttributes(out, vnode.attributes, props);
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if (originalAttributes && 'function' == typeof originalAttributes.ref) (props.ref = originalAttributes.ref)(out);
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isSvgMode = prevSvgMode;
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return out;
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}
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function innerDiffNode(dom, vchildren, context, mountAll) {
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var j, c, vchild, child, originalChildren = dom.childNodes, children = [], keyed = {}, keyedLen = 0, min = 0, len = originalChildren.length, childrenLen = 0, vlen = vchildren && vchildren.length;
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if (len) for (var i = 0; i < len; i++) {
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var _child = originalChildren[i], key = vlen ? (c = _child._component) ? c.__key : (c = _child[ATTR_KEY]) ? c.key : null : null;
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if (key || 0 === key) {
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keyedLen++;
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keyed[key] = _child;
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} else children[childrenLen++] = _child;
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}
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if (vlen) for (var i = 0; i < vlen; i++) {
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vchild = vchildren[i];
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child = null;
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var key = vchild.key;
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if (null != key) {
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if (keyedLen && key in keyed) {
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child = keyed[key];
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keyed[key] = void 0;
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keyedLen--;
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}
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} else if (!child && min < childrenLen) {
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for (j = min; j < childrenLen; j++) {
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c = children[j];
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if (c && isSameNodeType(c, vchild)) {
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child = c;
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children[j] = void 0;
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if (j === childrenLen - 1) childrenLen--;
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if (j === min) min++;
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break;
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}
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}
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if (!child && min < childrenLen && isFunction(vchild.nodeName) && mountAll) {
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child = children[min];
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children[min++] = void 0;
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}
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}
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child = idiff(child, vchild, context, mountAll);
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if (child && child !== dom && child !== originalChildren[i]) dom.insertBefore(child, originalChildren[i] || null);
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}
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if (keyedLen) for (var i in keyed) if (keyed[i]) recollectNodeTree(keyed[i]);
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if (min < childrenLen) removeOrphanedChildren(children);
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}
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function removeOrphanedChildren(children, unmountOnly) {
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for (var i = children.length; i--; ) if (children[i]) recollectNodeTree(children[i], unmountOnly);
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}
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function recollectNodeTree(node, unmountOnly) {
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var component = node._component;
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if (component) unmountComponent(component, !unmountOnly); else {
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if (node[ATTR_KEY] && node[ATTR_KEY].ref) node[ATTR_KEY].ref(null);
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if (!unmountOnly) collectNode(node);
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if (node.childNodes && node.childNodes.length) removeOrphanedChildren(node.childNodes, unmountOnly);
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}
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}
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function diffAttributes(dom, attrs, old) {
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for (var _name in old) if (!(attrs && _name in attrs) && null != old[_name]) setAccessor(dom, _name, null, old[_name], isSvgMode);
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if (attrs) for (var _name2 in attrs) if (!(_name2 in old) || attrs[_name2] !== ('value' === _name2 || 'checked' === _name2 ? dom[_name2] : old[_name2])) setAccessor(dom, _name2, attrs[_name2], old[_name2], isSvgMode);
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}
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function collectComponent(component) {
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var name = component.constructor.name, list = components[name];
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if (list) list.push(component); else components[name] = [ component ];
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}
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function createComponent(Ctor, props, context) {
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var inst = new Ctor(props, context), list = components[Ctor.name];
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Component.call(inst, props, context);
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if (list) for (var i = list.length; i--; ) if (list[i].constructor === Ctor) {
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inst.nextBase = list[i].nextBase;
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list.splice(i, 1);
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break;
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}
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return inst;
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}
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function setComponentProps(component, props, opts, context, mountAll) {
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if (!component._disable) {
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component._disable = !0;
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if (component.__ref = props.ref) delete props.ref;
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if (component.__key = props.key) delete props.key;
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if (!component.base || mountAll) {
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if (component.componentWillMount) component.componentWillMount();
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} else if (component.componentWillReceiveProps) component.componentWillReceiveProps(props, context);
|
|
|
|
|
if (context && context !== component.context) {
|
|
|
|
|
if (!component.prevContext) component.prevContext = component.context;
|
|
|
|
|
component.context = context;
|
|
|
|
|
}
|
|
|
|
|
if (!component.prevProps) component.prevProps = component.props;
|
|
|
|
|
component.props = props;
|
|
|
|
|
component._disable = !1;
|
|
|
|
|
if (0 !== opts) if (1 === opts || options.syncComponentUpdates !== !1 || !component.base) renderComponent(component, 1, mountAll); else enqueueRender(component);
|
|
|
|
|
if (component.__ref) component.__ref(component);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
function renderComponent(component, opts, mountAll, isChild) {
|
|
|
|
|
if (!component._disable) {
|
|
|
|
|
var skip, rendered, inst, cbase, props = component.props, state = component.state, context = component.context, previousProps = component.prevProps || props, previousState = component.prevState || state, previousContext = component.prevContext || context, isUpdate = component.base, nextBase = component.nextBase, initialBase = isUpdate || nextBase, initialChildComponent = component._component;
|
|
|
|
|
if (isUpdate) {
|
|
|
|
|
component.props = previousProps;
|
|
|
|
|
component.state = previousState;
|
|
|
|
|
component.context = previousContext;
|
|
|
|
|
if (2 !== opts && component.shouldComponentUpdate && component.shouldComponentUpdate(props, state, context) === !1) skip = !0; else if (component.componentWillUpdate) component.componentWillUpdate(props, state, context);
|
|
|
|
|
component.props = props;
|
|
|
|
|
component.state = state;
|
|
|
|
|
component.context = context;
|
|
|
|
|
}
|
|
|
|
|
component.prevProps = component.prevState = component.prevContext = component.nextBase = null;
|
|
|
|
|
component._dirty = !1;
|
|
|
|
|
if (!skip) {
|
|
|
|
|
if (component.render) rendered = component.render(props, state, context);
|
|
|
|
|
if (component.getChildContext) context = extend(clone(context), component.getChildContext());
|
|
|
|
|
while (isFunctionalComponent(rendered)) rendered = buildFunctionalComponent(rendered, context);
|
|
|
|
|
var toUnmount, base, childComponent = rendered && rendered.nodeName;
|
|
|
|
|
if (isFunction(childComponent)) {
|
|
|
|
|
inst = initialChildComponent;
|
|
|
|
|
var childProps = getNodeProps(rendered);
|
|
|
|
|
if (inst && inst.constructor === childComponent) setComponentProps(inst, childProps, 1, context); else {
|
|
|
|
|
toUnmount = inst;
|
|
|
|
|
inst = createComponent(childComponent, childProps, context);
|
|
|
|
|
inst.nextBase = inst.nextBase || nextBase;
|
|
|
|
|
inst._parentComponent = component;
|
|
|
|
|
component._component = inst;
|
|
|
|
|
setComponentProps(inst, childProps, 0, context);
|
|
|
|
|
renderComponent(inst, 1, mountAll, !0);
|
|
|
|
|
}
|
|
|
|
|
base = inst.base;
|
|
|
|
|
} else {
|
|
|
|
|
cbase = initialBase;
|
|
|
|
|
toUnmount = initialChildComponent;
|
|
|
|
|
if (toUnmount) cbase = component._component = null;
|
|
|
|
|
if (initialBase || 1 === opts) {
|
|
|
|
|
if (cbase) cbase._component = null;
|
|
|
|
|
base = diff(cbase, rendered, context, mountAll || !isUpdate, initialBase && initialBase.parentNode, !0);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (initialBase && base !== initialBase && inst !== initialChildComponent) {
|
|
|
|
|
var baseParent = initialBase.parentNode;
|
|
|
|
|
if (baseParent && base !== baseParent) baseParent.replaceChild(base, initialBase);
|
|
|
|
|
if (!cbase && !toUnmount && component._parentComponent) {
|
|
|
|
|
initialBase._component = null;
|
|
|
|
|
recollectNodeTree(initialBase);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (toUnmount) unmountComponent(toUnmount, base !== initialBase);
|
|
|
|
|
component.base = base;
|
|
|
|
|
if (base && !isChild) {
|
|
|
|
|
var componentRef = component, t = component;
|
|
|
|
|
while (t = t._parentComponent) componentRef = t;
|
|
|
|
|
base._component = componentRef;
|
|
|
|
|
base._componentConstructor = componentRef.constructor;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (!isUpdate || mountAll) mounts.unshift(component); else if (!skip && component.componentDidUpdate) component.componentDidUpdate(previousProps, previousState, previousContext);
|
|
|
|
|
var fn, cb = component._renderCallbacks;
|
|
|
|
|
if (cb) while (fn = cb.pop()) fn.call(component);
|
|
|
|
|
if (!diffLevel && !isChild) flushMounts();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
function buildComponentFromVNode(dom, vnode, context, mountAll) {
|
|
|
|
|
var c = dom && dom._component, oldDom = dom, isDirectOwner = c && dom._componentConstructor === vnode.nodeName, isOwner = isDirectOwner, props = getNodeProps(vnode);
|
|
|
|
|
while (c && !isOwner && (c = c._parentComponent)) isOwner = c.constructor === vnode.nodeName;
|
|
|
|
|
if (c && isOwner && (!mountAll || c._component)) {
|
|
|
|
|
setComponentProps(c, props, 3, context, mountAll);
|
|
|
|
|
dom = c.base;
|
|
|
|
|
} else {
|
|
|
|
|
if (c && !isDirectOwner) {
|
|
|
|
|
unmountComponent(c, !0);
|
|
|
|
|
dom = oldDom = null;
|
|
|
|
|
}
|
|
|
|
|
c = createComponent(vnode.nodeName, props, context);
|
|
|
|
|
if (dom && !c.nextBase) c.nextBase = dom;
|
|
|
|
|
setComponentProps(c, props, 1, context, mountAll);
|
|
|
|
|
dom = c.base;
|
|
|
|
|
if (oldDom && dom !== oldDom) {
|
|
|
|
|
oldDom._component = null;
|
|
|
|
|
recollectNodeTree(oldDom);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return dom;
|
|
|
|
|
}
|
|
|
|
|
function unmountComponent(component, remove) {
|
|
|
|
|
var base = component.base;
|
|
|
|
|
component._disable = !0;
|
|
|
|
|
if (component.componentWillUnmount) component.componentWillUnmount();
|
|
|
|
|
component.base = null;
|
|
|
|
|
var inner = component._component;
|
|
|
|
|
if (inner) unmountComponent(inner, remove); else if (base) {
|
|
|
|
|
if (base[ATTR_KEY] && base[ATTR_KEY].ref) base[ATTR_KEY].ref(null);
|
|
|
|
|
component.nextBase = base;
|
|
|
|
|
if (remove) {
|
|
|
|
|
removeNode(base);
|
|
|
|
|
collectComponent(component);
|
|
|
|
|
}
|
|
|
|
|
removeOrphanedChildren(base.childNodes, !remove);
|
|
|
|
|
}
|
|
|
|
|
if (component.__ref) component.__ref(null);
|
|
|
|
|
if (component.componentDidUnmount) component.componentDidUnmount();
|
|
|
|
|
}
|
|
|
|
|
function Component(props, context) {
|
|
|
|
|
this._dirty = !0;
|
|
|
|
|
this.context = context;
|
|
|
|
|
this.props = props;
|
|
|
|
|
if (!this.state) this.state = {};
|
|
|
|
|
}
|
|
|
|
|
function render(vnode, parent, merge) {
|
|
|
|
|
return diff(merge, vnode, {}, !1, parent);
|
|
|
|
|
}
|
|
|
|
|
var options = {};
|
|
|
|
|
var stack = [];
|
|
|
|
|
var lcCache = {};
|
|
|
|
|
var toLowerCase = function(s) {
|
|
|
|
|
return lcCache[s] || (lcCache[s] = s.toLowerCase());
|
|
|
|
|
};
|
|
|
|
|
var resolved = 'undefined' != typeof Promise && Promise.resolve();
|
|
|
|
|
var defer = resolved ? function(f) {
|
|
|
|
|
resolved.then(f);
|
|
|
|
|
} : setTimeout;
|
|
|
|
|
var EMPTY = {};
|
|
|
|
|
var ATTR_KEY = 'undefined' != typeof Symbol ? Symbol.for('preactattr') : '__preactattr_';
|
|
|
|
|
var NON_DIMENSION_PROPS = {
|
|
|
|
|
boxFlex: 1,
|
|
|
|
|
boxFlexGroup: 1,
|
|
|
|
|
columnCount: 1,
|
|
|
|
|
fillOpacity: 1,
|
|
|
|
|
flex: 1,
|
|
|
|
|
flexGrow: 1,
|
|
|
|
|
flexPositive: 1,
|
|
|
|
|
flexShrink: 1,
|
|
|
|
|
flexNegative: 1,
|
|
|
|
|
fontWeight: 1,
|
|
|
|
|
lineClamp: 1,
|
|
|
|
|
lineHeight: 1,
|
|
|
|
|
opacity: 1,
|
|
|
|
|
order: 1,
|
|
|
|
|
orphans: 1,
|
|
|
|
|
strokeOpacity: 1,
|
|
|
|
|
widows: 1,
|
|
|
|
|
zIndex: 1,
|
|
|
|
|
zoom: 1
|
|
|
|
|
};
|
|
|
|
|
var NON_BUBBLING_EVENTS = {
|
|
|
|
|
blur: 1,
|
|
|
|
|
error: 1,
|
|
|
|
|
focus: 1,
|
|
|
|
|
load: 1,
|
|
|
|
|
resize: 1,
|
|
|
|
|
scroll: 1
|
|
|
|
|
};
|
|
|
|
|
var items = [];
|
|
|
|
|
var nodes = {};
|
|
|
|
|
var mounts = [];
|
|
|
|
|
var diffLevel = 0;
|
|
|
|
|
var isSvgMode = !1;
|
|
|
|
|
var components = {};
|
|
|
|
|
extend(Component.prototype, {
|
|
|
|
|
linkState: function(key, eventPath) {
|
|
|
|
|
var c = this._linkedStates || (this._linkedStates = {});
|
|
|
|
|
return c[key + eventPath] || (c[key + eventPath] = createLinkedState(this, key, eventPath));
|
|
|
|
|
},
|
|
|
|
|
setState: function(state, callback) {
|
|
|
|
|
var s = this.state;
|
|
|
|
|
if (!this.prevState) this.prevState = clone(s);
|
|
|
|
|
extend(s, isFunction(state) ? state(s, this.props) : state);
|
|
|
|
|
if (callback) (this._renderCallbacks = this._renderCallbacks || []).push(callback);
|
|
|
|
|
enqueueRender(this);
|
|
|
|
|
},
|
|
|
|
|
forceUpdate: function() {
|
|
|
|
|
renderComponent(this, 2);
|
|
|
|
|
},
|
|
|
|
|
render: function() {}
|
|
|
|
|
});
|
|
|
|
|
exports.h = h;
|
2016-10-05 17:38:02 +02:00
|
|
|
exports.createElement = h;
|
2016-10-05 17:04:57 +02:00
|
|
|
exports.cloneElement = cloneElement;
|
|
|
|
|
exports.Component = Component;
|
|
|
|
|
exports.render = render;
|
|
|
|
|
exports.rerender = rerender;
|
|
|
|
|
exports.options = options;
|
|
|
|
|
});
|
|
|
|
|
//# sourceMappingURL=preact.js.map
|
