prism.js

(function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
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 (children !== undefined) {
        for (i = 0; i < children.length; ++i) {
            if (is.primitive(children[i]))
                children[i] = vnode_1.vnode(undefined, undefined, undefined, children[i], undefined);
        }
    }
    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;
;
exports.default = h;

},{"./is":3,"./vnode":12}],2:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
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,
};
exports.default = exports.htmlDomApi;

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

},{}],4:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var xlinkNS = 'http://www.w3.org/1999/xlink';
var xmlNS = 'http://www.w3.org/XML/1998/namespace';
var colonChar = 58;
var xChar = 120;
function updateAttrs(oldVnode, vnode) {
    var key, elm = vnode.elm, oldAttrs = oldVnode.data.attrs, attrs = vnode.data.attrs;
    if (!oldAttrs && !attrs)
        return;
    if (oldAttrs === attrs)
        return;
    oldAttrs = oldAttrs || {};
    attrs = attrs || {};
    // update modified attributes, add new attributes
    for (key in attrs) {
        var cur = attrs[key];
        var old = oldAttrs[key];
        if (old !== cur) {
            if (cur === true) {
                elm.setAttribute(key, "");
            }
            else if (cur === false) {
                elm.removeAttribute(key);
            }
            else {
                if (key.charCodeAt(0) !== xChar) {
                    elm.setAttribute(key, cur);
                }
                else if (key.charCodeAt(3) === colonChar) {
                    // Assume xml namespace
                    elm.setAttributeNS(xmlNS, key, cur);
                }
                else if (key.charCodeAt(5) === colonChar) {
                    // Assume xlink namespace
                    elm.setAttributeNS(xlinkNS, 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 };
exports.default = exports.attributesModule;

},{}],5:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
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 };
exports.default = exports.classModule;

},{}],6:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var CAPS_REGEX = /[A-Z]/g;
function updateDataset(oldVnode, vnode) {
    var elm = vnode.elm, oldDataset = oldVnode.data.dataset, dataset = vnode.data.dataset, key;
    if (!oldDataset && !dataset)
        return;
    if (oldDataset === dataset)
        return;
    oldDataset = oldDataset || {};
    dataset = dataset || {};
    var d = elm.dataset;
    for (key in oldDataset) {
        if (!dataset[key]) {
            if (d) {
                if (key in d) {
                    delete d[key];
                }
            }
            else {
                elm.removeAttribute('data-' + key.replace(CAPS_REGEX, '-$&').toLowerCase());
            }
        }
    }
    for (key in dataset) {
        if (oldDataset[key] !== dataset[key]) {
            if (d) {
                d[key] = dataset[key];
            }
            else {
                elm.setAttribute('data-' + key.replace(CAPS_REGEX, '-$&').toLowerCase(), dataset[key]);
            }
        }
    }
}
exports.datasetModule = { create: updateDataset, update: updateDataset };
exports.default = exports.datasetModule;

},{}],7:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
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], vnode, event);
            }
        }
    }
}
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
};
exports.default = exports.eventListenersModule;

},{}],8:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
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 };
exports.default = exports.propsModule;

},{}],9:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
// Bindig `requestAnimationFrame` like this fixes a bug in IE/Edge. See #360 and #409.
var raf = (typeof window !== 'undefined' && (window.requestAnimationFrame).bind(window)) || setTimeout;
var nextFrame = function (fn) { raf(function () { raf(fn); }); };
var reflowForced = false;
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' && style.delayed) {
            for (var name2 in style.delayed) {
                cur = style.delayed[name2];
                if (!oldHasDel || cur !== oldStyle.delayed[name2]) {
                    setNextFrame(elm.style, name2, 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;
    }
    if (!reflowForced) {
        getComputedStyle(document.body).transform;
        reflowForced = true;
    }
    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();
    });
}
function forceReflow() {
    reflowForced = false;
}
exports.styleModule = {
    pre: forceReflow,
    create: updateStyle,
    update: updateStyle,
    destroy: applyDestroyStyle,
    remove: applyRemoveStyle
};
exports.default = exports.styleModule;

},{}],10:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
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.setAttribute('id', sel.slice(hash + 1, dot));
            if (dotIdx > 0)
                elm.setAttribute('class', sel.slice(dot + 1).replace(/\./g, ' '));
            for (i = 0; i < cbs.create.length; ++i)
                cbs.create[i](emptyNode, vnode);
            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));
            }
            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 || newStartIdx <= newEndIdx) {
            if (oldStartIdx > oldEndIdx) {
                before = newCh[newEndIdx + 1] == null ? null : newCh[newEndIdx + 1].elm;
                addVnodes(parentElm, before, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
            }
            else {
                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) {
            if (isDef(oldCh)) {
                removeVnodes(elm, oldCh, 0, oldCh.length - 1);
            }
            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";
Object.defineProperty(exports, "__esModule", { value: true });
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);
        return;
    }
    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
    });
};
exports.default = exports.thunk;

},{"./h":1}],12:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
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;
exports.default = vnode;

},{}],13:[function(require,module,exports){
var snabbdom = require('snabbdom');
var patch = snabbdom.init([
  require('snabbdom/modules/class').default,
  require('snabbdom/modules/attributes').default,
  require('snabbdom/modules/props').default,
  require('snabbdom/modules/style').default,
  require('snabbdom/modules/eventlisteners').default,
  require('snabbdom/modules/dataset').default
]);
snabbdom_h = require('snabbdom/h').default;

function stringifyEvent(e) {
  const obj = {};
  for (let k in e) {
    obj[k] = e[k];
  }
  return JSON.stringify(obj, (k, v) => {
    if (v instanceof Node) return 'Node';
    if (v instanceof Window) return 'Window';
    return v;
  }, ' ');
}

window.stringifyEvent = stringifyEvent;

function rubyVTreeToSnabbdom(rvtree) {
  if (rvtree.type === "text") { return rvtree.content; }

  let options = {};

  for (let key in rvtree) {
    if (key === "_children") { continue; }
    if (key === "_type") { continue; }
    if (key === "_class") { continue; }
    if (key === "onClick") { continue; }
    if (key === "onKeydown") { continue; }
    if (key === "onInput") { continue; }

    options[key] = rvtree[key];
  }

  if (options.on) {
    for (let key in options.on) {
      var handler = options.on[key];

      options.on[key] = function(event) {
        if (handler.prevent_default) {
          event.preventDefault();
        }

        if (handler.stop_propagation) {
          event.stopPropagation();
        }

        let args = [];

        for (let arg of handler.args) {
          if (arg.type === "constant") {
            args.push(arg.value);
          }

          if (arg.type === "event") {
            args.push(serializeEvent(event));
          }

          if (arg.type === "event_data") {
            args.push(event[arg.key]);
          }

          if (arg.type === "target_data") {
            args.push(event.target[arg.key]);
          }
        }

        var handlerWithArgs = Object.assign(
          {},
          handler,
          {args}
        );

        if (handlerWithArgs.type) {
          Module.ccall("dispatch", "void", ["string"], [JSON.stringify(handlerWithArgs)]);
        }
        render();
      }
    }
  }

  return snabbdom_h(
    rvtree._type + (rvtree._class || ""),
    options,
    (rvtree._children || []).map(rubyVTreeToSnabbdom)
  );
}

var currentContainer = document.getElementById('root');

function render() {
  const rvtree = JSON.parse(Module.ccall("render", "string", []));
  const vtree = rubyVTreeToSnabbdom(rvtree);

  patch(currentContainer, vtree);

  currentContainer = vtree;
}

window.render = render;

window.Module = {
  preRun: [],
  postRun: [ render ],
  print: function() {
    return function(e) {
      1 < arguments.length && (e = Array.prototype.slice.call(arguments).join(" ")), console.log(e)
    }
  }(),
  printErr: function(e) {
    1 < arguments.length && (e = Array.prototype.slice.call(arguments).join(" ")), console.error(e)
  },
  canvas: function() {}(),
  setStatus: function() {},
  totalDependencies: 0,
  monitorRunDependencies: function(e) {}
};


},{"snabbdom":10,"snabbdom/h":1,"snabbdom/modules/attributes":4,"snabbdom/modules/class":5,"snabbdom/modules/dataset":6,"snabbdom/modules/eventlisteners":7,"snabbdom/modules/props":8,"snabbdom/modules/style":9}]},{},[13]);