coze_demo/socket/node_modules/pillarjs/dist/index.js

(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
	typeof define === 'function' && define.amd ? define(factory) :
	(global.Pillar = factory());
}(this, (function () { 'use strict';

/** Virtual DOM Node */
function VNode() {}

/** Global options
 *	@public
 *	@namespace options {Object}
 */
var options = {

	/** If `true`, `prop` changes trigger synchronous component updates.
  *	@name syncComponentUpdates
  *	@type Boolean
  *	@default true
  */
	//syncComponentUpdates: true,

	/** Processes all created VNodes.
  *	@param {VNode} vnode	A newly-created VNode to normalize/process
  */
	//vnode(vnode) { }

	/** Hook invoked after a component is mounted. */
	// afterMount(component) { }

	/** Hook invoked after the DOM is updated with a component's latest render. */
	// afterUpdate(component) { }

	/** Hook invoked immediately before a component is unmounted. */
	// beforeUnmount(component) { }
};

var stack = [];

var EMPTY_CHILDREN = [];

/** JSX/hyperscript reviver
*	Benchmarks: https://esbench.com/bench/57ee8f8e330ab09900a1a1a0
 *	@see http://jasonformat.com/wtf-is-jsx
 *	@public
 */
function h(nodeName, attributes) {
	var children = EMPTY_CHILDREN,
	    lastSimple,
	    child,
	    simple,
	    i;
	for (i = arguments.length; i-- > 2;) {
		stack.push(arguments[i]);
	}
	if (attributes && attributes.children != null) {
		if (!stack.length) stack.push(attributes.children);
		delete attributes.children;
	}
	while (stack.length) {
		if ((child = stack.pop()) && child.pop !== undefined) {
			for (i = child.length; i--;) {
				stack.push(child[i]);
			}
		} else {
			if (typeof child === 'boolean') child = null;

			if (simple = typeof nodeName !== 'function') {
				if (child == null) child = '';else if (typeof child === 'number') child = String(child);else if (typeof child !== 'string') simple = false;
			}

			if (simple && lastSimple) {
				children[children.length - 1] += child;
			} else if (children === EMPTY_CHILDREN) {
				children = [child];
			} else {
				children.push(child);
			}

			lastSimple = simple;
		}
	}

	var p = new VNode();
	p.nodeName = nodeName;
	p.children = children;
	p.attributes = attributes == null ? undefined : attributes;
	p.key = attributes == null ? undefined : attributes.key;

	// if a "vnode hook" is defined, pass every created VNode to it
	if (options.vnode !== undefined) options.vnode(p);

	return p;
}

/** Copy own-properties from `props` onto `obj`.
 *	@returns obj
 *	@private
 */
function extend(obj, props) {
  for (var i in props) {
    obj[i] = props[i];
  }return obj;
}

/** Call a function asynchronously, as soon as possible.
 *	@param {Function} callback
 */
var defer = typeof Promise == 'function' ? Promise.resolve().then.bind(Promise.resolve()) : setTimeout;

function cloneElement(vnode, props) {
	return h(vnode.nodeName, extend(extend({}, vnode.attributes), props), arguments.length > 2 ? [].slice.call(arguments, 2) : vnode.children);
}

// DOM properties that should NOT have "px" added when numeric
var IS_NON_DIMENSIONAL = /acit|ex(?:s|g|n|p|$)|rph|ows|mnc|ntw|ine[ch]|zoo|^ord/i;

/** Managed queue of dirty components to be re-rendered */

var items = [];

function enqueueRender(component) {
	if (!component._dirty && (component._dirty = true) && items.push(component) == 1) {
		(options.debounceRendering || defer)(rerender);
	}
}

function rerender() {
	var p,
	    list = items;
	items = [];
	while (p = list.pop()) {
		if (p._dirty) renderComponent(p);
	}
}

/** Check if two nodes are equivalent.
 *	@param {Element} node
 *	@param {VNode} vnode
 *	@private
 */
function isSameNodeType(node, vnode, hydrating) {
	if (typeof vnode === 'string' || typeof vnode === 'number') {
		return node.splitText !== undefined;
	}
	if (typeof vnode.nodeName === 'string') {
		return !node._componentConstructor && isNamedNode(node, vnode.nodeName);
	}
	return hydrating || node._componentConstructor === vnode.nodeName;
}

/** Check if an Element has a given normalized name.
*	@param {Element} node
*	@param {String} nodeName
 */
function isNamedNode(node, nodeName) {
	return node.normalizedNodeName === nodeName || node.nodeName.toLowerCase() === nodeName.toLowerCase();
}

/**
 * Reconstruct Component-style `props` from a VNode.
 * Ensures default/fallback values from `defaultProps`:
 * Own-properties of `defaultProps` not present in `vnode.attributes` are added.
 * @param {VNode} vnode
 * @returns {Object} props
 */
function getNodeProps(vnode) {
	var props = extend({}, vnode.attributes);
	props.children = vnode.children;

	var defaultProps = vnode.nodeName.defaultProps;
	if (defaultProps !== undefined) {
		for (var i in defaultProps) {
			if (props[i] === undefined) {
				props[i] = defaultProps[i];
			}
		}
	}

	return props;
}

/** Create an element with the given nodeName.
 *	@param {String} nodeName
 *	@param {Boolean} [isSvg=false]	If `true`, creates an element within the SVG namespace.
 *	@returns {Element} node
 */
function createNode(nodeName, isSvg) {
	var node = isSvg ? document.createElementNS('http://www.w3.org/2000/svg', nodeName) : document.createElement(nodeName);
	node.normalizedNodeName = nodeName;
	return node;
}

/** Remove a child node from its parent if attached.
 *	@param {Element} node		The node to remove
 */
function removeNode(node) {
	var parentNode = node.parentNode;
	if (parentNode) parentNode.removeChild(node);
}

/** Set a named attribute on the given Node, with special behavior for some names and event handlers.
 *	If `value` is `null`, the attribute/handler will be removed.
 *	@param {Element} node	An element to mutate
 *	@param {string} name	The name/key to set, such as an event or attribute name
 *	@param {any} old	The last value that was set for this name/node pair
 *	@param {any} value	An attribute value, such as a function to be used as an event handler
 *	@param {Boolean} isSvg	Are we currently diffing inside an svg?
 *	@private
 */
function setAccessor(node, name, old, value, isSvg) {
	if (name === 'className') name = 'class';

	if (name === 'key') {
		// ignore
	} else if (name === 'ref') {
		if (old) old(null);
		if (value) value(node);
	} else if (name === 'class' && !isSvg) {
		node.className = value || '';
	} else if (name === 'style') {
		if (!value || typeof value === 'string' || typeof old === 'string') {
			node.style.cssText = value || '';
		}
		if (value && typeof value === 'object') {
			if (typeof old !== 'string') {
				for (var i in old) {
					if (!(i in value)) node.style[i] = '';
				}
			}
			for (var i in value) {
				node.style[i] = typeof value[i] === 'number' && IS_NON_DIMENSIONAL.test(i) === false ? value[i] + 'px' : value[i];
			}
		}
	} else if (name === 'dangerouslySetInnerHTML') {
		if (value) node.innerHTML = value.__html || '';
	} else if (name[0] == 'o' && name[1] == 'n') {
		var useCapture = name !== (name = name.replace(/Capture$/, ''));
		name = name.toLowerCase().substring(2);
		if (value) {
			if (!old) node.addEventListener(name, eventProxy, useCapture);
		} else {
			node.removeEventListener(name, eventProxy, useCapture);
		}
		(node._listeners || (node._listeners = {}))[name] = value;
	} else if (name !== 'list' && name !== 'type' && !isSvg && name in node) {
		setProperty(node, name, value == null ? '' : value);
		if (value == null || value === false) node.removeAttribute(name);
	} else {
		var ns = isSvg && name !== (name = name.replace(/^xlink\:?/, ''));
		if (value == null || value === false) {
			if (ns) node.removeAttributeNS('http://www.w3.org/1999/xlink', name.toLowerCase());else node.removeAttribute(name);
		} else if (typeof value !== 'function') {
			if (ns) node.setAttributeNS('http://www.w3.org/1999/xlink', name.toLowerCase(), value);else node.setAttribute(name, value);
		}
	}
}

/** Attempt to set a DOM property to the given value.
 *	IE & FF throw for certain property-value combinations.
 */
function setProperty(node, name, value) {
	try {
		node[name] = value;
	} catch (e) {}
}

/** Proxy an event to hooked event handlers
 *	@private
 */
function eventProxy(e) {
	return this._listeners[e.type](options.event && options.event(e) || e);
}

/** Queue of components that have been mounted and are awaiting componentDidMount */
var mounts = [];

/** Diff recursion count, used to track the end of the diff cycle. */
var diffLevel = 0;

/** Global flag indicating if the diff is currently within an SVG */
var isSvgMode = false;

/** Global flag indicating if the diff is performing hydration */
var hydrating = false;

/** Invoke queued componentDidMount lifecycle methods */
function flushMounts() {
	var c;
	while (c = mounts.pop()) {
		if (options.afterMount) options.afterMount(c);
		if (c.componentDidMount) c.componentDidMount();
	}
}

/** Apply differences in a given vnode (and it's deep children) to a real DOM Node.
 *	@param {Element} [dom=null]		A DOM node to mutate into the shape of the `vnode`
 *	@param {VNode} vnode			A VNode (with descendants forming a tree) representing the desired DOM structure
 *	@returns {Element} dom			The created/mutated element
 *	@private
 */
function diff(dom, vnode, context, mountAll, parent, componentRoot) {
	// diffLevel having been 0 here indicates initial entry into the diff (not a subdiff)
	if (!diffLevel++) {
		// when first starting the diff, check if we're diffing an SVG or within an SVG
		isSvgMode = parent != null && parent.ownerSVGElement !== undefined;

		// hydration is indicated by the existing element to be diffed not having a prop cache
		hydrating = dom != null && !('__preactattr_' in dom);
	}

	var ret = idiff(dom, vnode, context, mountAll, componentRoot);

	// append the element if its a new parent
	if (parent && ret.parentNode !== parent) parent.appendChild(ret);

	// diffLevel being reduced to 0 means we're exiting the diff
	if (! --diffLevel) {
		hydrating = false;
		// invoke queued componentDidMount lifecycle methods
		if (!componentRoot) flushMounts();
	}

	return ret;
}

/** Internals of `diff()`, separated to allow bypassing diffLevel / mount flushing. */
function idiff(dom, vnode, context, mountAll, componentRoot) {
	var out = dom,
	    prevSvgMode = isSvgMode;

	// empty values (null, undefined, booleans) render as empty Text nodes
	if (vnode == null || typeof vnode === 'boolean') vnode = '';

	// Fast case: Strings & Numbers create/update Text nodes.
	if (typeof vnode === 'string' || typeof vnode === 'number') {

		// update if it's already a Text node:
		if (dom && dom.splitText !== undefined && dom.parentNode && (!dom._component || componentRoot)) {
			/* istanbul ignore if */ /* Browser quirk that can't be covered: https://github.com/developit/preact/commit/fd4f21f5c45dfd75151bd27b4c217d8003aa5eb9 */
			if (dom.nodeValue != vnode) {
				dom.nodeValue = vnode;
			}
		} else {
			// it wasn't a Text node: replace it with one and recycle the old Element
			out = document.createTextNode(vnode);
			if (dom) {
				if (dom.parentNode) dom.parentNode.replaceChild(out, dom);
				recollectNodeTree(dom, true);
			}
		}

		out['__preactattr_'] = true;

		return out;
	}

	// If the VNode represents a Component, perform a component diff:
	var vnodeName = vnode.nodeName;
	if (typeof vnodeName === 'function') {
		return buildComponentFromVNode(dom, vnode, context, mountAll);
	}

	// Tracks entering and exiting SVG namespace when descending through the tree.
	isSvgMode = vnodeName === 'svg' ? true : vnodeName === 'foreignObject' ? false : isSvgMode;

	// If there's no existing element or it's the wrong type, create a new one:
	vnodeName = String(vnodeName);
	if (!dom || !isNamedNode(dom, vnodeName)) {
		out = createNode(vnodeName, isSvgMode);

		if (dom) {
			// move children into the replacement node
			while (dom.firstChild) {
				out.appendChild(dom.firstChild);
			} // if the previous Element was mounted into the DOM, replace it inline
			if (dom.parentNode) dom.parentNode.replaceChild(out, dom);

			// recycle the old element (skips non-Element node types)
			recollectNodeTree(dom, true);
		}
	}

	var fc = out.firstChild,
	    props = out['__preactattr_'],
	    vchildren = vnode.children;

	if (props == null) {
		props = out['__preactattr_'] = {};
		for (var a = out.attributes, i = a.length; i--;) {
			props[a[i].name] = a[i].value;
		}
	}

	// Optimization: fast-path for elements containing a single TextNode:
	if (!hydrating && vchildren && vchildren.length === 1 && typeof vchildren[0] === 'string' && fc != null && fc.splitText !== undefined && fc.nextSibling == null) {
		if (fc.nodeValue != vchildren[0]) {
			fc.nodeValue = vchildren[0];
		}
	}
	// otherwise, if there are existing or new children, diff them:
	else if (vchildren && vchildren.length || fc != null) {
			innerDiffNode(out, vchildren, context, mountAll, hydrating || props.dangerouslySetInnerHTML != null);
		}

	// Apply attributes/props from VNode to the DOM Element:
	diffAttributes(out, vnode.attributes, props);

	// restore previous SVG mode: (in case we're exiting an SVG namespace)
	isSvgMode = prevSvgMode;

	return out;
}

/** Apply child and attribute changes between a VNode and a DOM Node to the DOM.
 *	@param {Element} dom			Element whose children should be compared & mutated
 *	@param {Array} vchildren		Array of VNodes to compare to `dom.childNodes`
 *	@param {Object} context			Implicitly descendant context object (from most recent `getChildContext()`)
 *	@param {Boolean} mountAll
 *	@param {Boolean} isHydrating	If `true`, consumes externally created elements similar to hydration
 */
function innerDiffNode(dom, vchildren, context, mountAll, isHydrating) {
	var originalChildren = dom.childNodes,
	    children = [],
	    keyed = {},
	    keyedLen = 0,
	    min = 0,
	    len = originalChildren.length,
	    childrenLen = 0,
	    vlen = vchildren ? vchildren.length : 0,
	    j,
	    c,
	    f,
	    vchild,
	    child;

	// Build up a map of keyed children and an Array of unkeyed children:
	if (len !== 0) {
		for (var i = 0; i < len; i++) {
			var _child = originalChildren[i],
			    props = _child['__preactattr_'],
			    key = vlen && props ? _child._component ? _child._component.__key : props.key : null;
			if (key != null) {
				keyedLen++;
				keyed[key] = _child;
			} else if (props || (_child.splitText !== undefined ? isHydrating ? _child.nodeValue.trim() : true : isHydrating)) {
				children[childrenLen++] = _child;
			}
		}
	}

	if (vlen !== 0) {
		for (var i = 0; i < vlen; i++) {
			vchild = vchildren[i];
			child = null;

			// attempt to find a node based on key matching
			var key = vchild.key;
			if (key != null) {
				if (keyedLen && keyed[key] !== undefined) {
					child = keyed[key];
					keyed[key] = undefined;
					keyedLen--;
				}
			}
			// attempt to pluck a node of the same type from the existing children
			else if (!child && min < childrenLen) {
					for (j = min; j < childrenLen; j++) {
						if (children[j] !== undefined && isSameNodeType(c = children[j], vchild, isHydrating)) {
							child = c;
							children[j] = undefined;
							if (j === childrenLen - 1) childrenLen--;
							if (j === min) min++;
							break;
						}
					}
				}

			// morph the matched/found/created DOM child to match vchild (deep)
			child = idiff(child, vchild, context, mountAll);

			f = originalChildren[i];
			if (child && child !== dom && child !== f) {
				if (f == null) {
					dom.appendChild(child);
				} else if (child === f.nextSibling) {
					removeNode(f);
				} else {
					dom.insertBefore(child, f);
				}
			}
		}
	}

	// remove unused keyed children:
	if (keyedLen) {
		for (var i in keyed) {
			if (keyed[i] !== undefined) recollectNodeTree(keyed[i], false);
		}
	}

	// remove orphaned unkeyed children:
	while (min <= childrenLen) {
		if ((child = children[childrenLen--]) !== undefined) recollectNodeTree(child, false);
	}
}

/** Recursively recycle (or just unmount) a node and its descendants.
 *	@param {Node} node						DOM node to start unmount/removal from
 *	@param {Boolean} [unmountOnly=false]	If `true`, only triggers unmount lifecycle, skips removal
 */
function recollectNodeTree(node, unmountOnly) {
	var component = node._component;
	if (component) {
		// if node is owned by a Component, unmount that component (ends up recursing back here)
		unmountComponent(component);
	} else {
		// If the node's VNode had a ref function, invoke it with null here.
		// (this is part of the React spec, and smart for unsetting references)
		if (node['__preactattr_'] != null && node['__preactattr_'].ref) node['__preactattr_'].ref(null);

		if (unmountOnly === false || node['__preactattr_'] == null) {
			removeNode(node);
		}

		removeChildren(node);
	}
}

/** Recollect/unmount all children.
 *	- we use .lastChild here because it causes less reflow than .firstChild
 *	- it's also cheaper than accessing the .childNodes Live NodeList
 */
function removeChildren(node) {
	node = node.lastChild;
	while (node) {
		var next = node.previousSibling;
		recollectNodeTree(node, true);
		node = next;
	}
}

/** Apply differences in attributes from a VNode to the given DOM Element.
 *	@param {Element} dom		Element with attributes to diff `attrs` against
 *	@param {Object} attrs		The desired end-state key-value attribute pairs
 *	@param {Object} old			Current/previous attributes (from previous VNode or element's prop cache)
 */
function diffAttributes(dom, attrs, old) {
	var name;

	// remove attributes no longer present on the vnode by setting them to undefined
	for (name in old) {
		if (!(attrs && attrs[name] != null) && old[name] != null) {
			setAccessor(dom, name, old[name], old[name] = undefined, isSvgMode);
		}
	}

	// add new & update changed attributes
	for (name in attrs) {
		if (name !== 'children' && name !== 'innerHTML' && (!(name in old) || attrs[name] !== (name === 'value' || name === 'checked' ? dom[name] : old[name]))) {
			setAccessor(dom, name, old[name], old[name] = attrs[name], isSvgMode);
		}
	}
}

/** Retains a pool of Components for re-use, keyed on component name.
 *	Note: since component names are not unique or even necessarily available, these are primarily a form of sharding.
 *	@private
 */
var components = {};

/** Reclaim a component for later re-use by the recycler. */
function collectComponent(component) {
	var name = component.constructor.name;
	(components[name] || (components[name] = [])).push(component);
}

/** Create a component. Normalizes differences between PFC's and classful Components. */
function createComponent(Ctor, props, context) {
	var list = components[Ctor.name],
	    inst;

	if (Ctor.prototype && Ctor.prototype.render) {
		inst = new Ctor(props, context);
		Component.call(inst, props, context);
	} else {
		inst = new Component(props, context);
		inst.constructor = Ctor;
		inst.render = doRender;
	}

	if (list) {
		for (var i = list.length; i--;) {
			if (list[i].constructor === Ctor) {
				inst.nextBase = list[i].nextBase;
				list.splice(i, 1);
				break;
			}
		}
	}
	return inst;
}

/** The `.render()` method for a PFC backing instance. */
function doRender(props, state, context) {
	return this.constructor(props, context);
}

/** Set a component's `props` (generally derived from JSX attributes).
 *	@param {Object} props
 *	@param {Object} [opts]
 *	@param {boolean} [opts.renderSync=false]	If `true` and {@link options.syncComponentUpdates} is `true`, triggers synchronous rendering.
 *	@param {boolean} [opts.render=true]			If `false`, no render will be triggered.
 */
function setComponentProps(component, props, opts, context, mountAll) {
	if (component._disable) return;
	component._disable = true;

	if (component.__ref = props.ref) delete props.ref;
	if (component.__key = props.key) delete props.key;

	if (!component.base || mountAll) {
		if (component.componentWillMount) component.componentWillMount();
	} 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 = false;

	if (opts !== 0) {
		if (opts === 1 || options.syncComponentUpdates !== false || !component.base) {
			renderComponent(component, 1, mountAll);
		} else {
			enqueueRender(component);
		}
	}

	if (component.__ref) component.__ref(component);
}

/** Render a Component, triggering necessary lifecycle events and taking High-Order Components into account.
 *	@param {Component} component
 *	@param {Object} [opts]
 *	@param {boolean} [opts.build=false]		If `true`, component will build and store a DOM node if not already associated with one.
 *	@private
 */
function renderComponent(component, opts, mountAll, isChild) {
	if (component._disable) return;

	var 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,
	    skip = false,
	    rendered,
	    inst,
	    cbase;

	// if updating
	if (isUpdate) {
		component.props = previousProps;
		component.state = previousState;
		component.context = previousContext;
		if (opts !== 2 && component.shouldComponentUpdate && component.shouldComponentUpdate(props, state, context) === false) {
			skip = true;
		} 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 = false;

	if (!skip) {
		rendered = component.render(props, state, context);

		// context to pass to the child, can be updated via (grand-)parent component
		if (component.getChildContext) {
			context = extend(extend({}, context), component.getChildContext());
		}

		var childComponent = rendered && rendered.nodeName,
		    toUnmount,
		    base;

		if (typeof childComponent === 'function') {
			// set up high order component link

			var childProps = getNodeProps(rendered);
			inst = initialChildComponent;

			if (inst && inst.constructor === childComponent && childProps.key == inst.__key) {
				setComponentProps(inst, childProps, 1, context, false);
			} else {
				toUnmount = inst;

				component._component = inst = createComponent(childComponent, childProps, context);
				inst.nextBase = inst.nextBase || nextBase;
				inst._parentComponent = component;
				setComponentProps(inst, childProps, 0, context, false);
				renderComponent(inst, 1, mountAll, true);
			}

			base = inst.base;
		} else {
			cbase = initialBase;

			// destroy high order component link
			toUnmount = initialChildComponent;
			if (toUnmount) {
				cbase = component._component = null;
			}

			if (initialBase || opts === 1) {
				if (cbase) cbase._component = null;
				base = diff(cbase, rendered, context, mountAll || !isUpdate, initialBase && initialBase.parentNode, true);
			}
		}

		if (initialBase && base !== initialBase && inst !== initialChildComponent) {
			var baseParent = initialBase.parentNode;
			if (baseParent && base !== baseParent) {
				baseParent.replaceChild(base, initialBase);

				if (!toUnmount) {
					initialBase._component = null;
					recollectNodeTree(initialBase, false);
				}
			}
		}

		if (toUnmount) {
			unmountComponent(toUnmount);
		}

		component.base = base;
		if (base && !isChild) {
			var componentRef = component,
			    t = component;
			while (t = t._parentComponent) {
				(componentRef = t).base = base;
			}
			base._component = componentRef;
			base._componentConstructor = componentRef.constructor;
		}
	}

	if (!isUpdate || mountAll) {
		mounts.unshift(component);
	} else if (!skip) {
		// Ensure that pending componentDidMount() hooks of child components
		// are called before the componentDidUpdate() hook in the parent.
		// Note: disabled as it causes duplicate hooks, see https://github.com/developit/preact/issues/750
		// flushMounts();

		if (component.componentDidUpdate) {
			component.componentDidUpdate(previousProps, previousState, previousContext);
		}
		if (options.afterUpdate) options.afterUpdate(component);
	}

	if (component._renderCallbacks != null) {
		while (component._renderCallbacks.length) {
			component._renderCallbacks.pop().call(component);
		}
	}

	if (!diffLevel && !isChild) flushMounts();
}

/** Apply the Component referenced by a VNode to the DOM.
 *	@param {Element} dom	The DOM node to mutate
 *	@param {VNode} vnode	A Component-referencing VNode
 *	@returns {Element} dom	The created/mutated element
 *	@private
 */
function buildComponentFromVNode(dom, vnode, context, mountAll) {
	var c = dom && dom._component,
	    originalComponent = c,
	    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 (originalComponent && !isDirectOwner) {
			unmountComponent(originalComponent);
			dom = oldDom = null;
		}

		c = createComponent(vnode.nodeName, props, context);
		if (dom && !c.nextBase) {
			c.nextBase = dom;
			// passing dom/oldDom as nextBase will recycle it if unused, so bypass recycling on L229:
			oldDom = null;
		}
		setComponentProps(c, props, 1, context, mountAll);
		dom = c.base;

		if (oldDom && dom !== oldDom) {
			oldDom._component = null;
			recollectNodeTree(oldDom, false);
		}
	}

	return dom;
}

/** Remove a component from the DOM and recycle it.
 *	@param {Component} component	The Component instance to unmount
 *	@private
 */
function unmountComponent(component) {
	if (options.beforeUnmount) options.beforeUnmount(component);

	var base = component.base;

	component._disable = true;

	if (component.componentWillUnmount) component.componentWillUnmount();

	component.base = null;

	// recursively tear down & recollect high-order component children:
	var inner = component._component;
	if (inner) {
		unmountComponent(inner);
	} else if (base) {
		if (base['__preactattr_'] && base['__preactattr_'].ref) base['__preactattr_'].ref(null);

		component.nextBase = base;

		removeNode(base);
		collectComponent(component);

		removeChildren(base);
	}

	if (component.__ref) component.__ref(null);
}

/** Base Component class.
 *	Provides `setState()` and `forceUpdate()`, which trigger rendering.
 *	@public
 *
 *	@example
 *	class MyFoo extends Component {
 *		render(props, state) {
 *			return <div />;
 *		}
 *	}
 */
function Component(props, context) {
	this._dirty = true;

	/** @public
  *	@type {object}
  */
	this.context = context;

	/** @public
  *	@type {object}
  */
	this.props = props;

	/** @public
  *	@type {object}
  */
	this.state = this.state || {};
}

extend(Component.prototype, {

	/** Returns a `boolean` indicating if the component should re-render when receiving the given `props` and `state`.
  *	@param {object} nextProps
  *	@param {object} nextState
  *	@param {object} nextContext
  *	@returns {Boolean} should the component re-render
  *	@name shouldComponentUpdate
  *	@function
  */

	/** Update component state by copying properties from `state` to `this.state`.
  *	@param {object} state		A hash of state properties to update with new values
  *	@param {function} callback	A function to be called once component state is updated
  */
	setState: function setState(state, callback) {
		var s = this.state;
		if (!this.prevState) this.prevState = extend({}, s);
		extend(s, typeof state === 'function' ? state(s, this.props) : state);
		if (callback) (this._renderCallbacks = this._renderCallbacks || []).push(callback);
		enqueueRender(this);
	},


	/** Immediately perform a synchronous re-render of the component.
  *	@param {function} callback		A function to be called after component is re-rendered.
  *	@private
  */
	forceUpdate: function forceUpdate(callback) {
		if (callback) (this._renderCallbacks = this._renderCallbacks || []).push(callback);
		renderComponent(this, 2);
	},


	/** Accepts `props` and `state`, and returns a new Virtual DOM tree to build.
  *	Virtual DOM is generally constructed via [JSX](http://jasonformat.com/wtf-is-jsx).
  *	@param {object} props		Props (eg: JSX attributes) received from parent element/component
  *	@param {object} state		The component's current state
  *	@param {object} context		Context object (if a parent component has provided context)
  *	@returns VNode
  */
	render: function render() {}
});

/** Render JSX into a `parent` Element.
 *	@param {VNode} vnode		A (JSX) VNode to render
 *	@param {Element} parent		DOM element to render into
 *	@param {Element} [merge]	Attempt to re-use an existing DOM tree rooted at `merge`
 *	@public
 *
 *	@example
 *	// render a div into <body>:
 *	render(<div id="hello">hello!</div>, document.body);
 *
 *	@example
 *	// render a "Thing" component into #foo:
 *	const Thing = ({ name }) => <span>{ name }</span>;
 *	render(<Thing name="one" />, document.querySelector('#foo'));
 */
function render(vnode, parent, merge) {
  return diff(merge, vnode, {}, false, parent, false);
}

var preact = {
	h: h,
	createElement: h,
	cloneElement: cloneElement,
	Component: Component,
	render: render,
	rerender: rerender,
	options: options
};





var preact_esm = Object.freeze({
	h: h,
	createElement: h,
	cloneElement: cloneElement,
	Component: Component,
	render: render,
	rerender: rerender,
	options: options,
	default: preact
});

/**
 * Copyright (c) 2013-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 */

/**
 * Use invariant() to assert state which your program assumes to be true.
 *
 * Provide sprintf-style format (only %s is supported) and arguments
 * to provide information about what broke and what you were
 * expecting.
 *
 * The invariant message will be stripped in production, but the invariant
 * will remain to ensure logic does not differ in production.
 */

var validateFormat = function validateFormat(format) {};

{
  validateFormat = function validateFormat(format) {
    if (format === undefined) {
      throw new Error('invariant requires an error message argument');
    }
  };
}

function invariant(condition, format, a, b, c, d, e, f) {
  validateFormat(format);

  if (!condition) {
    var error;
    if (format === undefined) {
      error = new Error('Minified exception occurred; use the non-minified dev environment ' + 'for the full error message and additional helpful warnings.');
    } else {
      var args = [a, b, c, d, e, f];
      var argIndex = 0;
      error = new Error(format.replace(/%s/g, function () {
        return args[argIndex++];
      }));
      error.name = 'Invariant Violation';
    }

    error.framesToPop = 1; // we don't care about invariant's own frame
    throw error;
  }
}

var invariant_1 = invariant;

var commonjsGlobal = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};





function createCommonjsModule(fn, module) {
	return module = { exports: {} }, fn(module, module.exports), module.exports;
}

var require$$0 = ( preact_esm && preact ) || preact_esm;

var preactMarkup = createCommonjsModule(function (module, exports) {
(function (global, factory) {
  module.exports = factory(require$$0);
}(commonjsGlobal, function (preact) { var parserDoc = void 0;

  function parseMarkup(markup, type) {
  	var doc = void 0,
  	    mime = type === 'html' ? 'text/html' : 'application/xml',
  	    parserError = void 0,
  	    wrappedMarkup = void 0,
  	    tag = void 0;

  	if (type === 'html') {
  		tag = 'body';
  		wrappedMarkup = '<!DOCTYPE html>\n<html><body>' + markup + '</body></html>';
  	} else {
  		tag = 'xml';
  		wrappedMarkup = '<?xml version="1.0" encoding="UTF-8"?>\n<xml>' + markup + '</xml>';
  	}

  	try {
  		doc = new DOMParser().parseFromString(wrappedMarkup, mime);
  	} catch (err) {
  		parserError = err;
  	}

  	if (!doc && type === 'html') {
  		doc = parserDoc || (parserDoc = buildParserFrame());
  		doc.open();
  		doc.write(wrappedMarkup);
  		doc.close();
  	}

  	if (!doc) return;

  	var out = doc.getElementsByTagName(tag)[0],
  	    fc = out.firstChild;

  	if (markup && !fc) {
  		out.error = 'Document parse failed.';
  	}

  	if (fc && String(fc.nodeName).toLowerCase() === 'parsererror') {
  		fc.removeChild(fc.firstChild);
  		fc.removeChild(fc.lastChild);
  		out.error = fc.textContent || fc.nodeValue || parserError || 'Unknown error';

  		out.removeChild(fc);
  	}

  	return out;
  }

  function buildParserFrame() {
  	if (document.implementation && document.implementation.createHTMLDocument) {
  		return document.implementation.createHTMLDocument('');
  	}
  	var frame = document.createElement('iframe');
  	frame.style.cssText = 'position:absolute; left:0; top:-999em; width:1px; height:1px; overflow:hidden;';
  	frame.setAttribute('sandbox', 'allow-forms');
  	document.body.appendChild(frame);
  	return frame.contentWindow.document;
  }

  var EMPTY_OBJ$1 = {};

  function toVdom(node, visitor, h, options) {
  	walk.visitor = visitor;
  	walk.h = h;
  	walk.options = options || EMPTY_OBJ$1;
  	return walk(node);
  }

  function walk(n, index, arr) {
  	if (n.nodeType === 3) {
  		var text = 'textContent' in n ? n.textContent : n.nodeValue || '';

  		if (walk.options.trim !== false) {
  			var isFirstOrLast = index === 0 || index === arr.length - 1;

  			if (text.match(/^[\s\n]+$/g) && walk.options.trim !== 'all') {
  				text = ' ';
  			} else {
  				text = text.replace(/(^[\s\n]+|[\s\n]+$)/g, walk.options.trim === 'all' || isFirstOrLast ? '' : ' ');
  			}

  			if ((!text || text === ' ') && arr.length > 1 && isFirstOrLast) return null;
  		}
  		return text;
  	}
  	if (n.nodeType !== 1) return null;
  	var nodeName = String(n.nodeName).toLowerCase();

  	if (nodeName === 'script' && !walk.options.allowScripts) return null;

  	var out = walk.h(nodeName, getProps(n.attributes), walkChildren(n.childNodes));
  	if (walk.visitor) walk.visitor(out);
  	return out;
  }

  function getProps(attrs) {
  	var len = attrs && attrs.length;
  	if (!len) return null;
  	var props = {};
  	for (var i = 0; i < len; i++) {
  		var _attrs$i = attrs[i];
  		var name = _attrs$i.name;
  		var value = _attrs$i.value;

  		if (value === '') value = true;
  		if (name.substring(0, 2) === 'on' && walk.options.allowEvents) {
  			value = new Function(value);
  		}
  		props[name] = value;
  	}
  	return props;
  }

  function walkChildren(children) {
  	var c = children && Array.prototype.map.call(children, walk).filter(exists);
  	return c && c.length ? c : null;
  }

  var exists = function (x) {
  	return x;
  };

  var EMPTY_OBJ = {};

  function markupToVdom(markup, type, reviver, map, options) {
  	var dom = parseMarkup(markup, type);

  	if (dom && dom.error) {
  		throw new Error(dom.error);
  	}

  	var body = dom && dom.body || dom;
  	visitor.map = map || EMPTY_OBJ;
  	var vdom = body && toVdom(body, visitor, reviver, options);
  	visitor.map = null;

  	return vdom && vdom.children || null;
  }

  function toCamelCase(name) {
  	return name.replace(/-(.)/g, function (match, letter) {
  		return letter.toUpperCase();
  	});
  }

  function visitor(node) {
  	var name = node.nodeName.toLowerCase(),
  	    map = visitor.map;
  	if (map && map.hasOwnProperty(name)) {
  		node.nodeName = map[name];
  		node.attributes = Object.keys(node.attributes || {}).reduce(function (attrs, attrName) {
  			attrs[toCamelCase(attrName)] = node.attributes[attrName];
  			return attrs;
  		}, {});
  	} else {
  		node.nodeName = name.replace(/[^a-z0-9-]/i, '');
  	}
  }

  var classCallCheck = function (instance, Constructor) {
    if (!(instance instanceof Constructor)) {
      throw new TypeError("Cannot call a class as a function");
    }
  };

  var inherits = function (subClass, superClass) {
    if (typeof superClass !== "function" && superClass !== null) {
      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
    }

    subClass.prototype = Object.create(superClass && superClass.prototype, {
      constructor: {
        value: subClass,
        enumerable: false,
        writable: true,
        configurable: true
      }
    });
    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
  };

  var objectWithoutProperties = function (obj, keys) {
    var target = {};

    for (var i in obj) {
      if (keys.indexOf(i) >= 0) continue;
      if (!Object.prototype.hasOwnProperty.call(obj, i)) continue;
      target[i] = obj[i];
    }

    return target;
  };

  var possibleConstructorReturn = function (self, call) {
    if (!self) {
      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
    }

    return call && (typeof call === "object" || typeof call === "function") ? call : self;
  };

  var customReviver = void 0;

  var Markup = function (_Component) {
  	inherits(Markup, _Component);

  	function Markup() {
  		classCallCheck(this, Markup);
  		return possibleConstructorReturn(this, _Component.apply(this, arguments));
  	}

  	Markup.setReviver = function setReviver(h) {
  		customReviver = h;
  	};

  	Markup.prototype.shouldComponentUpdate = function shouldComponentUpdate(_ref) {
  		var wrap = _ref.wrap;
  		var type = _ref.type;
  		var markup = _ref.markup;

  		var p = this.props;
  		return wrap !== p.wrap || type !== p.type || markup !== p.markup;
  	};

  	Markup.prototype.setComponents = function setComponents(components) {
  		this.map = {};
  		if (components) {
  			for (var i in components) {
  				if (components.hasOwnProperty(i)) {
  					var name = i.replace(/([A-Z]+)([A-Z][a-z0-9])|([a-z0-9]+)([A-Z])/g, '$1$3-$2$4').toLowerCase();
  					this.map[name] = components[i];
  				}
  			}
  		}
  	};

  	Markup.prototype.render = function render(_ref2) {
  		var _ref2$wrap = _ref2.wrap;
  		var wrap = _ref2$wrap === undefined ? true : _ref2$wrap;
  		var type = _ref2.type;
  		var markup = _ref2.markup;
  		var components = _ref2.components;
  		var reviver = _ref2.reviver;
  		var onError = _ref2.onError;
  		var allowScripts = _ref2['allow-scripts'];
  		var allowEvents = _ref2['allow-events'];
  		var trim = _ref2.trim;
  		var props = objectWithoutProperties(_ref2, ['wrap', 'type', 'markup', 'components', 'reviver', 'onError', 'allow-scripts', 'allow-events', 'trim']);

  		var h = reviver || this.reviver || this.constructor.prototype.reviver || customReviver || preact.h,
  		    vdom = void 0;

  		this.setComponents(components);

  		var options = {
  			allowScripts: allowScripts,
  			allowEvents: allowEvents,
  			trim: trim
  		};

  		try {
  			vdom = markupToVdom(markup, type, h, this.map, options);
  		} catch (error) {
  			if (onError) {
  				onError({ error: error });
  			} else if (typeof console !== 'undefined' && console.error) {
  				console.error('preact-markup: ' + error);
  			}
  		}

  		if (wrap === false) return vdom && vdom[0] || null;

  		var c = props.hasOwnProperty('className') ? 'className' : 'class',
  		    cl = props[c];
  		if (!cl) props[c] = 'markup';else if (cl.splice) cl.splice(0, 0, 'markup');else if (typeof cl === 'string') props[c] += ' markup';else if (typeof cl === 'object') cl.markup = true;

  		return h('div', props, vdom || null);
  	};

  	return Markup;
  }(preact.Component);

  return Markup;

}));

});

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
  return typeof obj;
} : function (obj) {
  return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
};











var classCallCheck = function (instance, Constructor) {
  if (!(instance instanceof Constructor)) {
    throw new TypeError("Cannot call a class as a function");
  }
};

var createClass = function () {
  function defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
      var descriptor = props[i];
      descriptor.enumerable = descriptor.enumerable || false;
      descriptor.configurable = true;
      if ("value" in descriptor) descriptor.writable = true;
      Object.defineProperty(target, descriptor.key, descriptor);
    }
  }

  return function (Constructor, protoProps, staticProps) {
    if (protoProps) defineProperties(Constructor.prototype, protoProps);
    if (staticProps) defineProperties(Constructor, staticProps);
    return Constructor;
  };
}();







var _extends = Object.assign || function (target) {
  for (var i = 1; i < arguments.length; i++) {
    var source = arguments[i];

    for (var key in source) {
      if (Object.prototype.hasOwnProperty.call(source, key)) {
        target[key] = source[key];
      }
    }
  }

  return target;
};



var inherits = function (subClass, superClass) {
  if (typeof superClass !== "function" && superClass !== null) {
    throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
  }

  subClass.prototype = Object.create(superClass && superClass.prototype, {
    constructor: {
      value: subClass,
      enumerable: false,
      writable: true,
      configurable: true
    }
  });
  if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
};











var possibleConstructorReturn = function (self, call) {
  if (!self) {
    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
  }

  return call && (typeof call === "object" || typeof call === "function") ? call : self;
};

/**
 * Minimal implementation of Mustache templates
 * Taken from https://github.com/aishikaty/tiny-mustache
 */
/* eslint-disable */
function mustache(template, self, parent, invert) {
	var render = mustache;
	var output = '';
	var i = void 0;

	function get$$1(ctx, path) {
		path = path.pop ? path : path.split('.');
		ctx = ctx[path.shift()] || '';
		return 0 in path ? get$$1(ctx, path) : ctx;
	}

	self = Array.isArray(self) ? self : self ? [self] : [];
	self = invert ? 0 in self ? [] : [1] : self;

	for (i = 0; i < self.length; i++) {
		var childCode = '';
		var depth = 0;
		var inverted;
		var ctx = _typeof(self[i]) === 'object' ? self[i] : {};
		ctx = Object.assign({}, parent, ctx);
		ctx[''] = { '': self[i] };

		template.replace(/([\s\S]*?)({{((\/)|(\^)|#)(.*?)}}|$)/g, function (match, code, y, z, close, invert, name) {
			if (!depth) {
				output += code.replace(/{{{(.*?)}}}|{{(!?)(&?)(>?)(.*?)}}/g, function (match, raw, comment, isRaw, partial, name) {
					return raw ? get$$1(ctx, raw) : isRaw ? get$$1(ctx, name) : partial ? render(get$$1(ctx, name), ctx) : !comment ? new Option(get$$1(ctx, name)).innerHTML : '';
				});
				inverted = invert;
			} else {
				childCode += depth && !close || depth > 1 ? match : code;
			}
			if (close) {
				if (! --depth) {
					name = get$$1(ctx, name);
					if (/^f/.test(typeof name === 'undefined' ? 'undefined' : _typeof(name))) {
						output += name.call(ctx, childCode, function (template) {
							return render(template, ctx);
						});
					} else {
						output += render(childCode, name, ctx, inverted);
					}
					childCode = '';
				}
			} else {
				++depth;
			}
		});
	}
	return output;
}

// This is used for emptying VDOM
var Null = function Null() {
	return null;
};

/* eslint-disable no-underscore-dangle */

var PillarBaseElement = function (_HTMLElement) {
	inherits(PillarBaseElement, _HTMLElement);

	function PillarBaseElement() {
		var _ref;

		var _temp, _this, _ret;

		classCallCheck(this, PillarBaseElement);

		for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
			args[_key] = arguments[_key];
		}

		return _ret = (_temp = (_this = possibleConstructorReturn(this, (_ref = PillarBaseElement.__proto__ || Object.getPrototypeOf(PillarBaseElement)).call.apply(_ref, [this].concat(args))), _this), _this.props = {
			flags: {}
		}, _temp), possibleConstructorReturn(_this, _ret);
	}

	createClass(PillarBaseElement, [{
		key: 'convertToVdom',


		/**
   * Convert to VDOM
   *
   * @description Converts given HTML node into a Virtual DOM node
   * @param {HTMLElement} element - Element to convert
   * @param {VNode} [node] - Virtual dom node
   * @returns {PillarConnectedComponent}
   * @memberof Pillar
   */
		value: function convertToVdom(element, node) {
			if (element.nodeType === 3) return element.nodeValue;
			if (element.nodeType !== 1) return null;

			var attributes = element.attributes,
			    childNodes = element.childNodes;

			var children = [];

			this.mapAttributesToProps(attributes);

			// If we're not using children as placeholder, go through child nodes and parse them too
			if (!this.props.flags.ignoreChildren) {
				for (var i = 0; i < childNodes.length; i += 1) {
					children[i] = this.convertToVdom(childNodes[i], null, true);
				}
			}

			// @REFACTOR? This feels dirty. If not using Shadow DOM,
			// existing children are appended to, instead of being overwritten by VDOM render.
			// This works fine, but we need to investigate for a better way to do it.
			if (!this.useShadow) {
				for (var _i = 0; _i < childNodes.length; _i += 1) {
					element.removeChild(childNodes[_i]);
				}
			}

			var ConnectedComponent = void 0;
			if (node) {
				ConnectedComponent = this.connectAttrsToProps(node);
			} else {
				ConnectedComponent = element.nodeName.toLowerCase();
			}

			var componentProps = node ? this.props : null;

			return h(
				ConnectedComponent,
				componentProps,
				children
			);
		}

		/**
   * Map attributes to props
   *
   * @description Goes through element's attributes and maps them to `this.props` and `this.flags`
   * @param {NamedNodeMap} attributes
   * @memberof PillarBaseElement
   */

	}, {
		key: 'mapAttributesToProps',
		value: function mapAttributesToProps(attributes) {
			for (var i = 0; i < attributes.length; i += 1) {
				invariant_1(attributes[i].name !== 'flags', 'Attribute "flags" is reserved');
				if (attributes[i].name.indexOf('p:') === -1) {
					// Map attributes to props
					var name = PillarBaseElement.dashToCamel(attributes[i].name);
					this.props[name] = attributes[i].value;
				} else {
					// Map flags separately
					var flagName = PillarBaseElement.dashToCamel(attributes[i].name.replace('p:', ''));
					this.props.flags[flagName] = attributes[i].value || true; // UIKit-style implicit boolean
				}
			}
		}

		// Fires when custom element creates

	}, {
		key: 'connectedCallback',
		value: function connectedCallback() {
			this.initialize();
		}

		// Fires when custom element is destroyed

	}, {
		key: 'disconnectedCallback',
		value: function disconnectedCallback() {
			render(h(Null, null), this.shadow || this, this.root);
		}

		/**
   * Initialize
   * @description Initialize Pillar web component
   * @memberof Pillar
   */

	}, {
		key: 'initialize',
		value: function initialize() {
			var _this2 = this;

			this.observer = new MutationObserver(function (mutations) {
				if (_this2.props.flags.protected) {
					// Lock external mutations
					invariant_1(false, 'Attempting to change attributes of protected component.');
					// @TODO Revert attributes?
				} else {
					var newProps = [];
					mutations.forEach(function (mutation) {
						var attributeName = mutation.attributeName;

						newProps.push({
							name: attributeName,
							value: _this2.attributes[attributeName] ? _this2.attributes[attributeName].value : null
						});
					});

					_this2.mapAttributesToProps(newProps);

					if (_this2.passPropsToVdom) {
						_this2.passPropsToVdom(_this2.props);
						if (_this2.__pillar__) {
							// Wait till it's for sure rendered, then pass it to dev tools
							setTimeout(function () {
								return _this2.hookToDevTools(_this2.__pillar__);
							}, 200);
						}
					}
				}
			});

			// Activate observer
			this.observer.observe(this, { attributes: true, attributeOldValue: true });

			if (this.useShadow) {
				invariant_1(this.useShadow === 'open' || this.useShadow === 'closed', 'Shadow DOM mode is expected to be "open" or "closed", but got %s', this.useShadow);
				this.shadow = this.attachShadow({ mode: this.useShadow });
			}

			var snapshot = void 0;
			try {
				snapshot = this.vdomComponent(this.props);
			} catch (e) {
				// VDOM component is a class, so moving on
			}

			if (this.vdomComponent.prototype.render || (typeof snapshot === 'undefined' ? 'undefined' : _typeof(snapshot)) === 'object') {
				this.renderComponent();
			} else if (typeof snapshot === 'string') {
				if (snapshot.charAt(0) === '#') {
					this.renderTemplate(snapshot.slice(1));
				} else {
					this.renderString();
				}
			} else {
				invariant_1(false, 'Component must return a JSX element, HTML string or template ID.');
			}
		}

		/**
   * Connect element attributes to props
   *
   * @description Creates a higher order component that makes element's attributes
   * 				available in wrapped component's 'this.props', allowing reacting
   * 				to their changes via 'componentWillReceiveProps'.
   * @param {PillarComponent} WrappedComponent
   * @returns {PillarConnectedComponent}
   * @memberof PillarBaseElement
   */

	}, {
		key: 'connectAttrsToProps',
		value: function connectAttrsToProps(WrappedComponent) {
			var element = this;

			// Higher order component to link props to the outside world
			return function (_Component) {
				inherits(PillarConnectedComponent, _Component);

				function PillarConnectedComponent() {
					classCallCheck(this, PillarConnectedComponent);

					var _this3 = possibleConstructorReturn(this, (PillarConnectedComponent.__proto__ || Object.getPrototypeOf(PillarConnectedComponent)).call(this));

					element.passPropsToVdom = _this3.reinsertProps.bind(_this3);
					return _this3;
				}

				/**
     * Reinsert props
     *
     * @description Updates props from attributes and triggers re-render of wrapped component
     * @param {object} attrProps
     */


				createClass(PillarConnectedComponent, [{
					key: 'reinsertProps',
					value: function reinsertProps(attrProps) {
						this.setState(_extends({}, this.state, {
							attrProps: attrProps
						}));
					}
				}, {
					key: 'render',
					value: function render$$1() {
						return h(WrappedComponent, _extends({}, this.props, this.state.attrProps));
					}
				}]);
				return PillarConnectedComponent;
			}(Component);
		}

		/**
   * DevTools Hook
   *
   * @description Hook created element to Pillar DevTools plugin if it exists
   * @memberof PillarBaseElement
   */

	}, {
		key: 'hookToDevTools',
		value: function hookToDevTools(existingId) {
			if (window.__PILLAR_DEVTOOLS_HOOK__) {
				console.log('HOOK', existingId, this.__pillar__);
				var id = existingId || Math.random().toString(36).slice(2);

				window.__PILLAR_DEVTOOLS_HOOK__.elements[id] = {
					name: this.localName,
					props: this.props,
					useShadow: this.useShadow,
					innerHTML: this.useShadow ? this.shadow.innerHTML : this.innerHTML,
					outerHTML: this.useShadow ? this.shadow.outerHTML : this.outerHTML
				};

				if (!window.__PILLAR_DEVTOOLS_HOOK__.attached) {
					window.__PILLAR_DEVTOOLS_HOOK__.attached = true;
				}

				if (!existingId) {
					this.__pillar__ = id;
				} else {
					window.postMessage({ type: 'PILLAR_UPDATE' }, '*');
				}
			}
		}

		/**
   * Render component
   *
   * @description Render JSX component. NOTE: This method is only called once.
   * @memberof PillarBaseElement
   */

	}, {
		key: 'renderComponent',
		value: function renderComponent() {
			this.root = render(this.convertToVdom(this, this.vdomComponent), this.shadow || this, this.root);

			this.hookToDevTools();
		}

		/**
   * Render string
   *
   * @description Render contents of an HTML string. NOTE: This method is only called once.
   * @memberof PillarBaseElement
   */

	}, {
		key: 'renderString',
		value: function renderString() {
			var _this4 = this;

			this.mapAttributesToProps(this.attributes);
			this.innerHTML = null;
			this.root = render(h(preactMarkup, { markup: this.vdomComponent(this.props) }), this.shadow || this);
			this.passPropsToVdom = function (props) {
				render(h(preactMarkup, { markup: _this4.vdomComponent(props) }), _this4.shadow || _this4, _this4.root);
			};

			this.hookToDevTools();
		}

		/**
   * Render Template
   *
   *
   * @description Render template tag's content. NOTE: This method is only called once.
   * @param {any} id - ID of a template tag
   * @memberof PillarBaseElement
   */

	}, {
		key: 'renderTemplate',
		value: function renderTemplate(id) {
			var _this5 = this;

			// Get an HTML string for running through Mustache
			var template = document.getElementById(id).innerHTML;

			this.mapAttributesToProps(this.attributes);
			this.innerHTML = null;

			this.root = render(h(preactMarkup, { markup: mustache(template, this.props), 'allow-scripts': this.allowScripts }), this.shadow || this);

			this.passPropsToVdom = function (props) {
				render(h(preactMarkup, { markup: mustache(template, props), 'allow-scripts': _this5.allowScripts }), _this5.shadow || _this5, _this5.root);
			};

			this.hookToDevTools();
		}
	}], [{
		key: 'dashToCamel',

		/**
   * Dash to Camel case
   *
   * @description Convert dash-cased-string to camelCasedString
   * @static
   * @param {string} dash - string to convert
   * @returns {string}
   * @memberof Pillar
   */
		value: function dashToCamel(dash) {
			return dash.indexOf('-') < 0 ? dash : dash.toLowerCase().replace(/-[aA-zZ]/g, function (m) {
				return m[1].toUpperCase();
			});
		}

		/**
   * Camel to Dash case
   *
   * @description Convert camelCasedString to dash-cased-string
   * @static
   * @param {string} camel - string to convert
   * @returns {string}
   * @memberof Pillar
   */

	}, {
		key: 'camelToDash',
		value: function camelToDash(camel) {
			return camel.replace(/([A-Z])/g, '-$1').toLowerCase();
		}
	}]);
	return PillarBaseElement;
}(HTMLElement);

var Pillar = function (_Component) {
	inherits(Pillar, _Component);
	createClass(Pillar, null, [{
		key: 'register',

		/**
   * Register tag
   *
   * @description Register custom element as an HTML tag with the name specified
   * @static
   * @param {any} tagName - Name of an HTML tag to register
   * @param {Pillar} TargetComponent - Component to register as a tag
   * @memberof Pillar
   */
		value: function register(TargetComponent, tagName) {
			var elementOptions = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};

			if (typeof TargetComponent === 'string') {
				Pillar.invariant(tagName, 'When using a template tag, you need to explicitly define tag name to register');
			}
			var elementName = tagName || PillarBaseElement.camelToDash(TargetComponent.name).slice(1);

			Pillar.invariant(!window.customElements.get(elementName), 'Element "' + tagName + '" has already been defined. You can only define element once.');
			Pillar.invariant(TargetComponent, 'You need to pass the component to create element from.');

			// Define custom element
			window.customElements.define(elementName, Pillar.createElement(TargetComponent, elementOptions));
		}
	}, {
		key: 'createElement',
		value: function createElement(TargetComponent, elementOptions) {
			return function (_PillarBaseElement) {
				inherits(PillarElement, _PillarBaseElement);

				function PillarElement() {
					classCallCheck(this, PillarElement);

					var _this2 = possibleConstructorReturn(this, (PillarElement.__proto__ || Object.getPrototypeOf(PillarElement)).call(this));

					Object.assign(_this2, elementOptions); // Extend "this" with options
					Pillar.invariant(typeof TargetComponent === 'string' || typeof TargetComponent === 'function', 'Register method requires a component or template tag ID, but found unexpected %s', typeof TargetComponent === 'undefined' ? 'undefined' : _typeof(TargetComponent));
					if (typeof TargetComponent === 'string') {
						_this2.vdomComponent = function () {
							return TargetComponent;
						};
					} else {
						_this2.vdomComponent = TargetComponent;
					}
					return _this2;
				}

				return PillarElement;
			}(PillarBaseElement);
		}
	}]);

	function Pillar(props, state) {
		classCallCheck(this, Pillar);

		var _this = possibleConstructorReturn(this, (Pillar.__proto__ || Object.getPrototypeOf(Pillar)).call(this, props, state));

		_this.validateRender();

		_this.flags = _this.props ? _this.props.flags : {};
		if (_this.componentWillReceiveProps) {
			var originalHandler = _this.componentWillReceiveProps.bind(_this);
			_this.componentWillReceiveProps = function (nextProps, nextState) {
				_this.flags = nextProps.flags;
				originalHandler(nextProps, nextState);
			};
		} else {
			_this.componentWillReceiveProps = function (nextProps) {
				_this.flags = nextProps.flags;
			};
		}
		return _this;
	}

	/**
  * Validate render method
  * @description Makes sure there's only one render method and it's actually a method
  * @memberof Pillar
  */


	createClass(Pillar, [{
		key: 'validateRender',
		value: function validateRender() {
			Pillar.invariant(typeof this.render === 'function', 'render() is expected to be a function, but got a type "%s"', _typeof(this.render));
		}
	}]);
	return Pillar;
}(Component);

Pillar.invariant = invariant_1;
Pillar.h = h;


Pillar.register(function (_ref) {
	var text = _ref.text;
	return h(
		'h1',
		null,
		text
	);
}, 'custom-header');

return Pillar;

})));