snabbdom/dist/snabbdom-patch.js

(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.snabbdom = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
"use strict";
var vnode_1 = require("./vnode");
var is = require("./is");
function addNS(data, children, sel) {
    data.ns = 'http://www.w3.org/2000/svg';
    if (sel !== 'foreignObject' && children !== undefined) {
        for (var i = 0; i < children.length; ++i) {
            var childData = children[i].data;
            if (childData !== undefined) {
                addNS(childData, children[i].children, children[i].sel);
            }
        }
    }
}
function h(sel, b, c) {
    var data = {}, children, text, i;
    if (c !== undefined) {
        data = b;
        if (is.array(c)) {
            children = c;
        }
        else if (is.primitive(c)) {
            text = c;
        }
        else if (c && c.sel) {
            children = [c];
        }
    }
    else if (b !== undefined) {
        if (is.array(b)) {
            children = b;
        }
        else if (is.primitive(b)) {
            text = b;
        }
        else if (b && b.sel) {
            children = [b];
        }
        else {
            data = b;
        }
    }
    if (is.array(children)) {
        for (i = 0; i < children.length; ++i) {
            if (is.primitive(children[i]))
                children[i] = vnode_1.vnode(undefined, undefined, undefined, children[i]);
        }
    }
    if (sel[0] === 's' && sel[1] === 'v' && sel[2] === 'g' &&
        (sel.length === 3 || sel[3] === '.' || sel[3] === '#')) {
        addNS(data, children, sel);
    }
    return vnode_1.vnode(sel, data, children, text, undefined);
}
exports.h = h;
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = h;

},{"./is":3,"./vnode":12}],2:[function(require,module,exports){
"use strict";
function createElement(tagName) {
    return document.createElement(tagName);
}
function createElementNS(namespaceURI, qualifiedName) {
    return document.createElementNS(namespaceURI, qualifiedName);
}
function createTextNode(text) {
    return document.createTextNode(text);
}
function createComment(text) {
    return document.createComment(text);
}
function insertBefore(parentNode, newNode, referenceNode) {
    parentNode.insertBefore(newNode, referenceNode);
}
function removeChild(node, child) {
    node.removeChild(child);
}
function appendChild(node, child) {
    node.appendChild(child);
}
function parentNode(node) {
    return node.parentNode;
}
function nextSibling(node) {
    return node.nextSibling;
}
function tagName(elm) {
    return elm.tagName;
}
function setTextContent(node, text) {
    node.textContent = text;
}
function getTextContent(node) {
    return node.textContent;
}
function isElement(node) {
    return node.nodeType === 1;
}
function isText(node) {
    return node.nodeType === 3;
}
function isComment(node) {
    return node.nodeType === 8;
}
exports.htmlDomApi = {
    createElement: createElement,
    createElementNS: createElementNS,
    createTextNode: createTextNode,
    createComment: createComment,
    insertBefore: insertBefore,
    removeChild: removeChild,
    appendChild: appendChild,
    parentNode: parentNode,
    nextSibling: nextSibling,
    tagName: tagName,
    setTextContent: setTextContent,
    getTextContent: getTextContent,
    isElement: isElement,
    isText: isText,
    isComment: isComment,
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = exports.htmlDomApi;

},{}],3:[function(require,module,exports){
"use strict";
exports.array = Array.isArray;
function primitive(s) {
    return typeof s === 'string' || typeof s === 'number';
}
exports.primitive = primitive;

},{}],4:[function(require,module,exports){
"use strict";
var NamespaceURIs = {
    "xlink": "http://www.w3.org/1999/xlink"
};
var booleanAttrs = ["allowfullscreen", "async", "autofocus", "autoplay", "checked", "compact", "controls", "declare",
    "default", "defaultchecked", "defaultmuted", "defaultselected", "defer", "disabled", "draggable",
    "enabled", "formnovalidate", "hidden", "indeterminate", "inert", "ismap", "itemscope", "loop", "multiple",
    "muted", "nohref", "noresize", "noshade", "novalidate", "nowrap", "open", "pauseonexit", "readonly",
    "required", "reversed", "scoped", "seamless", "selected", "sortable", "spellcheck", "translate",
    "truespeed", "typemustmatch", "visible"];
var booleanAttrsDict = Object.create(null);
for (var i = 0, len = booleanAttrs.length; i < len; i++) {
    booleanAttrsDict[booleanAttrs[i]] = true;
}
function updateAttrs(oldVnode, vnode) {
    var key, cur, old, elm = vnode.elm, oldAttrs = oldVnode.data.attrs, attrs = vnode.data.attrs, namespaceSplit;
    if (!oldAttrs && !attrs)
        return;
    if (oldAttrs === attrs)
        return;
    oldAttrs = oldAttrs || {};
    attrs = attrs || {};
    // update modified attributes, add new attributes
    for (key in attrs) {
        cur = attrs[key];
        old = oldAttrs[key];
        if (old !== cur) {
            if (!cur && booleanAttrsDict[key])
                elm.removeAttribute(key);
            else {
                namespaceSplit = key.split(":");
                if (namespaceSplit.length > 1 && NamespaceURIs.hasOwnProperty(namespaceSplit[0]))
                    elm.setAttributeNS(NamespaceURIs[namespaceSplit[0]], key, cur);
                else
                    elm.setAttribute(key, cur);
            }
        }
    }
    //remove removed attributes
    // use `in` operator since the previous `for` iteration uses it (.i.e. add even attributes with undefined value)
    // the other option is to remove all attributes with value == undefined
    for (key in oldAttrs) {
        if (!(key in attrs)) {
            elm.removeAttribute(key);
        }
    }
}
exports.attributesModule = { create: updateAttrs, update: updateAttrs };
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = exports.attributesModule;

},{}],5:[function(require,module,exports){
"use strict";
function updateClass(oldVnode, vnode) {
    var cur, name, elm = vnode.elm, oldClass = oldVnode.data.class, klass = vnode.data.class;
    if (!oldClass && !klass)
        return;
    if (oldClass === klass)
        return;
    oldClass = oldClass || {};
    klass = klass || {};
    for (name in oldClass) {
        if (!klass[name]) {
            elm.classList.remove(name);
        }
    }
    for (name in klass) {
        cur = klass[name];
        if (cur !== oldClass[name]) {
            elm.classList[cur ? 'add' : 'remove'](name);
        }
    }
}
exports.classModule = { create: updateClass, update: updateClass };
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = exports.classModule;

},{}],6:[function(require,module,exports){
"use strict";
function invokeHandler(handler, vnode, event) {
    if (typeof handler === "function") {
        // call function handler
        handler.call(vnode, event, vnode);
    }
    else if (typeof handler === "object") {
        // call handler with arguments
        if (typeof handler[0] === "function") {
            // special case for single argument for performance
            if (handler.length === 2) {
                handler[0].call(vnode, handler[1], event, vnode);
            }
            else {
                var args = handler.slice(1);
                args.push(event);
                args.push(vnode);
                handler[0].apply(vnode, args);
            }
        }
        else {
            // call multiple handlers
            for (var i = 0; i < handler.length; i++) {
                invokeHandler(handler[i]);
            }
        }
    }
}
function handleEvent(event, vnode) {
    var name = event.type, on = vnode.data.on;
    // call event handler(s) if exists
    if (on && on[name]) {
        invokeHandler(on[name], vnode, event);
    }
}
function createListener() {
    return function handler(event) {
        handleEvent(event, handler.vnode);
    };
}
function updateEventListeners(oldVnode, vnode) {
    var oldOn = oldVnode.data.on, oldListener = oldVnode.listener, oldElm = oldVnode.elm, on = vnode && vnode.data.on, elm = (vnode && vnode.elm), name;
    // optimization for reused immutable handlers
    if (oldOn === on) {
        return;
    }
    // remove existing listeners which no longer used
    if (oldOn && oldListener) {
        // if element changed or deleted we remove all existing listeners unconditionally
        if (!on) {
            for (name in oldOn) {
                // remove listener if element was changed or existing listeners removed
                oldElm.removeEventListener(name, oldListener, false);
            }
        }
        else {
            for (name in oldOn) {
                // remove listener if existing listener removed
                if (!on[name]) {
                    oldElm.removeEventListener(name, oldListener, false);
                }
            }
        }
    }
    // add new listeners which has not already attached
    if (on) {
        // reuse existing listener or create new
        var listener = vnode.listener = oldVnode.listener || createListener();
        // update vnode for listener
        listener.vnode = vnode;
        // if element changed or added we add all needed listeners unconditionally
        if (!oldOn) {
            for (name in on) {
                // add listener if element was changed or new listeners added
                elm.addEventListener(name, listener, false);
            }
        }
        else {
            for (name in on) {
                // add listener if new listener added
                if (!oldOn[name]) {
                    elm.addEventListener(name, listener, false);
                }
            }
        }
    }
}
exports.eventListenersModule = {
    create: updateEventListeners,
    update: updateEventListeners,
    destroy: updateEventListeners
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = exports.eventListenersModule;

},{}],7:[function(require,module,exports){
"use strict";
function updateProps(oldVnode, vnode) {
    var key, cur, old, elm = vnode.elm, oldProps = oldVnode.data.props, props = vnode.data.props;
    if (!oldProps && !props)
        return;
    if (oldProps === props)
        return;
    oldProps = oldProps || {};
    props = props || {};
    for (key in oldProps) {
        if (!props[key]) {
            delete elm[key];
        }
    }
    for (key in props) {
        cur = props[key];
        old = oldProps[key];
        if (old !== cur && (key !== 'value' || elm[key] !== cur)) {
            elm[key] = cur;
        }
    }
}
exports.propsModule = { create: updateProps, update: updateProps };
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = exports.propsModule;

},{}],8:[function(require,module,exports){
"use strict";
var raf = (typeof window !== 'undefined' && window.requestAnimationFrame) || setTimeout;
var nextFrame = function (fn) { raf(function () { raf(fn); }); };
function setNextFrame(obj, prop, val) {
    nextFrame(function () { obj[prop] = val; });
}
function updateStyle(oldVnode, vnode) {
    var cur, name, elm = vnode.elm, oldStyle = oldVnode.data.style, style = vnode.data.style;
    if (!oldStyle && !style)
        return;
    if (oldStyle === style)
        return;
    oldStyle = oldStyle || {};
    style = style || {};
    var oldHasDel = 'delayed' in oldStyle;
    for (name in oldStyle) {
        if (!style[name]) {
            if (name[0] === '-' && name[1] === '-') {
                elm.style.removeProperty(name);
            }
            else {
                elm.style[name] = '';
            }
        }
    }
    for (name in style) {
        cur = style[name];
        if (name === 'delayed') {
            for (name in style.delayed) {
                cur = style.delayed[name];
                if (!oldHasDel || cur !== oldStyle.delayed[name]) {
                    setNextFrame(elm.style, name, cur);
                }
            }
        }
        else if (name !== 'remove' && cur !== oldStyle[name]) {
            if (name[0] === '-' && name[1] === '-') {
                elm.style.setProperty(name, cur);
            }
            else {
                elm.style[name] = cur;
            }
        }
    }
}
function applyDestroyStyle(vnode) {
    var style, name, elm = vnode.elm, s = vnode.data.style;
    if (!s || !(style = s.destroy))
        return;
    for (name in style) {
        elm.style[name] = style[name];
    }
}
function applyRemoveStyle(vnode, rm) {
    var s = vnode.data.style;
    if (!s || !s.remove) {
        rm();
        return;
    }
    var name, elm = vnode.elm, i = 0, compStyle, style = s.remove, amount = 0, applied = [];
    for (name in style) {
        applied.push(name);
        elm.style[name] = style[name];
    }
    compStyle = getComputedStyle(elm);
    var props = compStyle['transition-property'].split(', ');
    for (; i < props.length; ++i) {
        if (applied.indexOf(props[i]) !== -1)
            amount++;
    }
    elm.addEventListener('transitionend', function (ev) {
        if (ev.target === elm)
            --amount;
        if (amount === 0)
            rm();
    });
}
exports.styleModule = {
    create: updateStyle,
    update: updateStyle,
    destroy: applyDestroyStyle,
    remove: applyRemoveStyle
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = exports.styleModule;

},{}],9:[function(require,module,exports){
"use strict";
var snabbdom_1 = require("./snabbdom");
var attributes_1 = require("./modules/attributes"); // for setting attributes on DOM elements
var class_1 = require("./modules/class"); // makes it easy to toggle classes
var props_1 = require("./modules/props"); // for setting properties on DOM elements
var style_1 = require("./modules/style"); // handles styling on elements with support for animations
var eventlisteners_1 = require("./modules/eventlisteners"); // attaches event listeners
var h_1 = require("./h"); // helper function for creating vnodes
var patch = snabbdom_1.init([
    attributes_1.attributesModule,
    class_1.classModule,
    props_1.propsModule,
    style_1.styleModule,
    eventlisteners_1.eventListenersModule
]);
exports.snabbdomBundle = { patch: patch, h: h_1.h };
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = exports.snabbdomBundle;

},{"./h":1,"./modules/attributes":4,"./modules/class":5,"./modules/eventlisteners":6,"./modules/props":7,"./modules/style":8,"./snabbdom":10}],10:[function(require,module,exports){
"use strict";
var vnode_1 = require("./vnode");
var is = require("./is");
var htmldomapi_1 = require("./htmldomapi");
function isUndef(s) { return s === undefined; }
function isDef(s) { return s !== undefined; }
var emptyNode = vnode_1.default('', {}, [], undefined, undefined);
function sameVnode(vnode1, vnode2) {
    return vnode1.key === vnode2.key && vnode1.sel === vnode2.sel;
}
function isVnode(vnode) {
    return vnode.sel !== undefined;
}
function createKeyToOldIdx(children, beginIdx, endIdx) {
    var i, map = {}, key, ch;
    for (i = beginIdx; i <= endIdx; ++i) {
        ch = children[i];
        if (ch != null) {
            key = ch.key;
            if (key !== undefined)
                map[key] = i;
        }
    }
    return map;
}
var hooks = ['create', 'update', 'remove', 'destroy', 'pre', 'post'];
var h_1 = require("./h");
exports.h = h_1.h;
var thunk_1 = require("./thunk");
exports.thunk = thunk_1.thunk;
function init(modules, domApi) {
    var i, j, cbs = {};
    var api = domApi !== undefined ? domApi : htmldomapi_1.default;
    for (i = 0; i < hooks.length; ++i) {
        cbs[hooks[i]] = [];
        for (j = 0; j < modules.length; ++j) {
            var hook = modules[j][hooks[i]];
            if (hook !== undefined) {
                cbs[hooks[i]].push(hook);
            }
        }
    }
    function emptyNodeAt(elm) {
        var id = elm.id ? '#' + elm.id : '';
        var c = elm.className ? '.' + elm.className.split(' ').join('.') : '';
        return vnode_1.default(api.tagName(elm).toLowerCase() + id + c, {}, [], undefined, elm);
    }
    function createRmCb(childElm, listeners) {
        return function rmCb() {
            if (--listeners === 0) {
                var parent_1 = api.parentNode(childElm);
                api.removeChild(parent_1, childElm);
            }
        };
    }
    function createElm(vnode, insertedVnodeQueue) {
        var i, data = vnode.data;
        if (data !== undefined) {
            if (isDef(i = data.hook) && isDef(i = i.init)) {
                i(vnode);
                data = vnode.data;
            }
        }
        var children = vnode.children, sel = vnode.sel;
        if (sel === '!') {
            if (isUndef(vnode.text)) {
                vnode.text = '';
            }
            vnode.elm = api.createComment(vnode.text);
        }
        else if (sel !== undefined) {
            // Parse selector
            var hashIdx = sel.indexOf('#');
            var dotIdx = sel.indexOf('.', hashIdx);
            var hash = hashIdx > 0 ? hashIdx : sel.length;
            var dot = dotIdx > 0 ? dotIdx : sel.length;
            var tag = hashIdx !== -1 || dotIdx !== -1 ? sel.slice(0, Math.min(hash, dot)) : sel;
            var elm = vnode.elm = isDef(data) && isDef(i = data.ns) ? api.createElementNS(i, tag)
                : api.createElement(tag);
            if (hash < dot)
                elm.id = sel.slice(hash + 1, dot);
            if (dotIdx > 0)
                elm.className = sel.slice(dot + 1).replace(/\./g, ' ');
            if (is.array(children)) {
                for (i = 0; i < children.length; ++i) {
                    var ch = children[i];
                    if (ch != null) {
                        api.appendChild(elm, createElm(ch, insertedVnodeQueue));
                    }
                }
            }
            else if (is.primitive(vnode.text)) {
                api.appendChild(elm, api.createTextNode(vnode.text));
            }
            for (i = 0; i < cbs.create.length; ++i)
                cbs.create[i](emptyNode, vnode);
            i = vnode.data.hook; // Reuse variable
            if (isDef(i)) {
                if (i.create)
                    i.create(emptyNode, vnode);
                if (i.insert)
                    insertedVnodeQueue.push(vnode);
            }
        }
        else {
            vnode.elm = api.createTextNode(vnode.text);
        }
        return vnode.elm;
    }
    function addVnodes(parentElm, before, vnodes, startIdx, endIdx, insertedVnodeQueue) {
        for (; startIdx <= endIdx; ++startIdx) {
            var ch = vnodes[startIdx];
            if (ch != null) {
                api.insertBefore(parentElm, createElm(ch, insertedVnodeQueue), before);
            }
        }
    }
    function invokeDestroyHook(vnode) {
        var i, j, data = vnode.data;
        if (data !== undefined) {
            if (isDef(i = data.hook) && isDef(i = i.destroy))
                i(vnode);
            for (i = 0; i < cbs.destroy.length; ++i)
                cbs.destroy[i](vnode);
            if (vnode.children !== undefined) {
                for (j = 0; j < vnode.children.length; ++j) {
                    i = vnode.children[j];
                    if (i != null && typeof i !== "string") {
                        invokeDestroyHook(i);
                    }
                }
            }
        }
    }
    function removeVnodes(parentElm, vnodes, startIdx, endIdx) {
        for (; startIdx <= endIdx; ++startIdx) {
            var i_1 = void 0, listeners = void 0, rm = void 0, ch = vnodes[startIdx];
            if (ch != null) {
                if (isDef(ch.sel)) {
                    invokeDestroyHook(ch);
                    listeners = cbs.remove.length + 1;
                    rm = createRmCb(ch.elm, listeners);
                    for (i_1 = 0; i_1 < cbs.remove.length; ++i_1)
                        cbs.remove[i_1](ch, rm);
                    if (isDef(i_1 = ch.data) && isDef(i_1 = i_1.hook) && isDef(i_1 = i_1.remove)) {
                        i_1(ch, rm);
                    }
                    else {
                        rm();
                    }
                }
                else {
                    api.removeChild(parentElm, ch.elm);
                }
            }
        }
    }
    function updateChildren(parentElm, oldCh, newCh, insertedVnodeQueue) {
        var oldStartIdx = 0, newStartIdx = 0;
        var oldEndIdx = oldCh.length - 1;
        var oldStartVnode = oldCh[0];
        var oldEndVnode = oldCh[oldEndIdx];
        var newEndIdx = newCh.length - 1;
        var newStartVnode = newCh[0];
        var newEndVnode = newCh[newEndIdx];
        var oldKeyToIdx;
        var idxInOld;
        var elmToMove;
        var before;
        while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
            if (oldStartVnode == null) {
                oldStartVnode = oldCh[++oldStartIdx]; // Vnode might have been moved left
            }
            else if (oldEndVnode == null) {
                oldEndVnode = oldCh[--oldEndIdx];
            }
            else if (newStartVnode == null) {
                newStartVnode = newCh[++newStartIdx];
            }
            else if (newEndVnode == null) {
                newEndVnode = newCh[--newEndIdx];
            }
            else if (sameVnode(oldStartVnode, newStartVnode)) {
                patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue);
                oldStartVnode = oldCh[++oldStartIdx];
                newStartVnode = newCh[++newStartIdx];
            }
            else if (sameVnode(oldEndVnode, newEndVnode)) {
                patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue);
                oldEndVnode = oldCh[--oldEndIdx];
                newEndVnode = newCh[--newEndIdx];
            }
            else if (sameVnode(oldStartVnode, newEndVnode)) {
                patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue);
                api.insertBefore(parentElm, oldStartVnode.elm, api.nextSibling(oldEndVnode.elm));
                oldStartVnode = oldCh[++oldStartIdx];
                newEndVnode = newCh[--newEndIdx];
            }
            else if (sameVnode(oldEndVnode, newStartVnode)) {
                patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue);
                api.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);
                oldEndVnode = oldCh[--oldEndIdx];
                newStartVnode = newCh[++newStartIdx];
            }
            else {
                if (oldKeyToIdx === undefined) {
                    oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx);
                }
                idxInOld = oldKeyToIdx[newStartVnode.key];
                if (isUndef(idxInOld)) {
                    api.insertBefore(parentElm, createElm(newStartVnode, insertedVnodeQueue), oldStartVnode.elm);
                    newStartVnode = newCh[++newStartIdx];
                }
                else {
                    elmToMove = oldCh[idxInOld];
                    if (elmToMove.sel !== newStartVnode.sel) {
                        api.insertBefore(parentElm, createElm(newStartVnode, insertedVnodeQueue), oldStartVnode.elm);
                    }
                    else {
                        patchVnode(elmToMove, newStartVnode, insertedVnodeQueue);
                        oldCh[idxInOld] = undefined;
                        api.insertBefore(parentElm, elmToMove.elm, oldStartVnode.elm);
                    }
                    newStartVnode = newCh[++newStartIdx];
                }
            }
        }
        if (oldStartIdx > oldEndIdx) {
            before = newCh[newEndIdx + 1] == null ? null : newCh[newEndIdx + 1].elm;
            addVnodes(parentElm, before, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
        }
        else if (newStartIdx > newEndIdx) {
            removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx);
        }
    }
    function patchVnode(oldVnode, vnode, insertedVnodeQueue) {
        var i, hook;
        if (isDef(i = vnode.data) && isDef(hook = i.hook) && isDef(i = hook.prepatch)) {
            i(oldVnode, vnode);
        }
        var elm = vnode.elm = oldVnode.elm;
        var oldCh = oldVnode.children;
        var ch = vnode.children;
        if (oldVnode === vnode)
            return;
        if (vnode.data !== undefined) {
            for (i = 0; i < cbs.update.length; ++i)
                cbs.update[i](oldVnode, vnode);
            i = vnode.data.hook;
            if (isDef(i) && isDef(i = i.update))
                i(oldVnode, vnode);
        }
        if (isUndef(vnode.text)) {
            if (isDef(oldCh) && isDef(ch)) {
                if (oldCh !== ch)
                    updateChildren(elm, oldCh, ch, insertedVnodeQueue);
            }
            else if (isDef(ch)) {
                if (isDef(oldVnode.text))
                    api.setTextContent(elm, '');
                addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
            }
            else if (isDef(oldCh)) {
                removeVnodes(elm, oldCh, 0, oldCh.length - 1);
            }
            else if (isDef(oldVnode.text)) {
                api.setTextContent(elm, '');
            }
        }
        else if (oldVnode.text !== vnode.text) {
            api.setTextContent(elm, vnode.text);
        }
        if (isDef(hook) && isDef(i = hook.postpatch)) {
            i(oldVnode, vnode);
        }
    }
    return function patch(oldVnode, vnode) {
        var i, elm, parent;
        var insertedVnodeQueue = [];
        for (i = 0; i < cbs.pre.length; ++i)
            cbs.pre[i]();
        if (!isVnode(oldVnode)) {
            oldVnode = emptyNodeAt(oldVnode);
        }
        if (sameVnode(oldVnode, vnode)) {
            patchVnode(oldVnode, vnode, insertedVnodeQueue);
        }
        else {
            elm = oldVnode.elm;
            parent = api.parentNode(elm);
            createElm(vnode, insertedVnodeQueue);
            if (parent !== null) {
                api.insertBefore(parent, vnode.elm, api.nextSibling(elm));
                removeVnodes(parent, [oldVnode], 0, 0);
            }
        }
        for (i = 0; i < insertedVnodeQueue.length; ++i) {
            insertedVnodeQueue[i].data.hook.insert(insertedVnodeQueue[i]);
        }
        for (i = 0; i < cbs.post.length; ++i)
            cbs.post[i]();
        return vnode;
    };
}
exports.init = init;

},{"./h":1,"./htmldomapi":2,"./is":3,"./thunk":11,"./vnode":12}],11:[function(require,module,exports){
"use strict";
var h_1 = require("./h");
function copyToThunk(vnode, thunk) {
    thunk.elm = vnode.elm;
    vnode.data.fn = thunk.data.fn;
    vnode.data.args = thunk.data.args;
    thunk.data = vnode.data;
    thunk.children = vnode.children;
    thunk.text = vnode.text;
    thunk.elm = vnode.elm;
}
function init(thunk) {
    var cur = thunk.data;
    var vnode = cur.fn.apply(undefined, cur.args);
    copyToThunk(vnode, thunk);
}
function prepatch(oldVnode, thunk) {
    var i, old = oldVnode.data, cur = thunk.data;
    var oldArgs = old.args, args = cur.args;
    if (old.fn !== cur.fn || oldArgs.length !== args.length) {
        copyToThunk(cur.fn.apply(undefined, args), thunk);
    }
    for (i = 0; i < args.length; ++i) {
        if (oldArgs[i] !== args[i]) {
            copyToThunk(cur.fn.apply(undefined, args), thunk);
            return;
        }
    }
    copyToThunk(oldVnode, thunk);
}
exports.thunk = function thunk(sel, key, fn, args) {
    if (args === undefined) {
        args = fn;
        fn = key;
        key = undefined;
    }
    return h_1.h(sel, {
        key: key,
        hook: { init: init, prepatch: prepatch },
        fn: fn,
        args: args
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = exports.thunk;

},{"./h":1}],12:[function(require,module,exports){
"use strict";
function vnode(sel, data, children, text, elm) {
    var key = data === undefined ? undefined : data.key;
    return { sel: sel, data: data, children: children,
        text: text, elm: elm, key: key };
}
exports.vnode = vnode;
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = vnode;

},{}]},{},[9])(9)
});
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