snabbdom
Version:
A virtual DOM library with focus on simplicity, modularity, powerful features and performance.
811 lines (799 loc) • 74.3 kB
JavaScript
(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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A;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;ACjTA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AC7CA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA","file":"generated.js","sourceRoot":"","sourcesContent":["(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})","\"use strict\";\nvar vnode_1 = require(\"./vnode\");\nvar is = require(\"./is\");\nfunction addNS(data, children, sel) {\n    data.ns = 'http://www.w3.org/2000/svg';\n    if (sel !== 'foreignObject' && children !== undefined) {\n        for (var i = 0; i < children.length; ++i) {\n            var childData = children[i].data;\n            if (childData !== undefined) {\n                addNS(childData, children[i].children, children[i].sel);\n            }\n        }\n    }\n}\nfunction h(sel, b, c) {\n    var data = {}, children, text, i;\n    if (c !== undefined) {\n        data = b;\n        if (is.array(c)) {\n            children = c;\n        }\n        else if (is.primitive(c)) {\n            text = c;\n        }\n        else if (c && c.sel) {\n            children = [c];\n        }\n    }\n    else if (b !== undefined) {\n        if (is.array(b)) {\n            children = b;\n        }\n        else if (is.primitive(b)) {\n            text = b;\n        }\n        else if (b && b.sel) {\n            children = [b];\n        }\n        else {\n            data = b;\n        }\n    }\n    if (is.array(children)) {\n        for (i = 0; i < children.length; ++i) {\n            if (is.primitive(children[i]))\n                children[i] = vnode_1.vnode(undefined, undefined, undefined, children[i]);\n        }\n    }\n    if (sel[0] === 's' && sel[1] === 'v' && sel[2] === 'g' &&\n        (sel.length === 3 || sel[3] === '.' || sel[3] === '#')) {\n        addNS(data, children, sel);\n    }\n    return vnode_1.vnode(sel, data, children, text, undefined);\n}\nexports.h = h;\n;\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.default = h;\n//# sourceMappingURL=h.js.map","\"use strict\";\nfunction createElement(tagName) {\n    return document.createElement(tagName);\n}\nfunction createElementNS(namespaceURI, qualifiedName) {\n    return document.createElementNS(namespaceURI, qualifiedName);\n}\nfunction createTextNode(text) {\n    return document.createTextNode(text);\n}\nfunction createComment(text) {\n    return document.createComment(text);\n}\nfunction insertBefore(parentNode, newNode, referenceNode) {\n    parentNode.insertBefore(newNode, referenceNode);\n}\nfunction removeChild(node, child) {\n    node.removeChild(child);\n}\nfunction appendChild(node, child) {\n    node.appendChild(child);\n}\nfunction parentNode(node) {\n    return node.parentNode;\n}\nfunction nextSibling(node) {\n    return node.nextSibling;\n}\nfunction tagName(elm) {\n    return elm.tagName;\n}\nfunction setTextContent(node, text) {\n    node.textContent = text;\n}\nfunction getTextContent(node) {\n    return node.textContent;\n}\nfunction isElement(node) {\n    return node.nodeType === 1;\n}\nfunction isText(node) {\n    return node.nodeType === 3;\n}\nfunction isComment(node) {\n    return node.nodeType === 8;\n}\nexports.htmlDomApi = {\n    createElement: createElement,\n    createElementNS: createElementNS,\n    createTextNode: createTextNode,\n    createComment: createComment,\n    insertBefore: insertBefore,\n    removeChild: removeChild,\n    appendChild: appendChild,\n    parentNode: parentNode,\n    nextSibling: nextSibling,\n    tagName: tagName,\n    setTextContent: setTextContent,\n    getTextContent: getTextContent,\n    isElement: isElement,\n    isText: isText,\n    isComment: isComment,\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.default = exports.htmlDomApi;\n//# sourceMappingURL=htmldomapi.js.map","\"use strict\";\nexports.array = Array.isArray;\nfunction primitive(s) {\n    return typeof s === 'string' || typeof s === 'number';\n}\nexports.primitive = primitive;\n//# sourceMappingURL=is.js.map","\"use strict\";\nvar NamespaceURIs = {\n    \"xlink\": \"http://www.w3.org/1999/xlink\"\n};\nvar booleanAttrs = [\"allowfullscreen\", \"async\", \"autofocus\", \"autoplay\", \"checked\", \"compact\", \"controls\", \"declare\",\n    \"default\", \"defaultchecked\", \"defaultmuted\", \"defaultselected\", \"defer\", \"disabled\", \"draggable\",\n    \"enabled\", \"formnovalidate\", \"hidden\", \"indeterminate\", \"inert\", \"ismap\", \"itemscope\", \"loop\", \"multiple\",\n    \"muted\", \"nohref\", \"noresize\", \"noshade\", \"novalidate\", \"nowrap\", \"open\", \"pauseonexit\", \"readonly\",\n    \"required\", \"reversed\", \"scoped\", \"seamless\", \"selected\", \"sortable\", \"spellcheck\", \"translate\",\n    \"truespeed\", \"typemustmatch\", \"visible\"];\nvar booleanAttrsDict = Object.create(null);\nfor (var i = 0, len = booleanAttrs.length; i < len; i++) {\n    booleanAttrsDict[booleanAttrs[i]] = true;\n}\nfunction updateAttrs(oldVnode, vnode) {\n    var key, cur, old, elm = vnode.elm, oldAttrs = oldVnode.data.attrs, attrs = vnode.data.attrs, namespaceSplit;\n    if (!oldAttrs && !attrs)\n        return;\n    if (oldAttrs === attrs)\n        return;\n    oldAttrs = oldAttrs || {};\n    attrs = attrs || {};\n    // update modified attributes, add new attributes\n    for (key in attrs) {\n        cur = attrs[key];\n        old = oldAttrs[key];\n        if (old !== cur) {\n            if (!cur && booleanAttrsDict[key])\n                elm.removeAttribute(key);\n            else {\n                namespaceSplit = key.split(\":\");\n                if (namespaceSplit.length > 1 && NamespaceURIs.hasOwnProperty(namespaceSplit[0]))\n                    elm.setAttributeNS(NamespaceURIs[namespaceSplit[0]], key, cur);\n                else\n                    elm.setAttribute(key, cur);\n            }\n        }\n    }\n    //remove removed attributes\n    // use `in` operator since the previous `for` iteration uses it (.i.e. add even attributes with undefined value)\n    // the other option is to remove all attributes with value == undefined\n    for (key in oldAttrs) {\n        if (!(key in attrs)) {\n            elm.removeAttribute(key);\n        }\n    }\n}\nexports.attributesModule = { create: updateAttrs, update: updateAttrs };\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.default = exports.attributesModule;\n//# sourceMappingURL=attributes.js.map","\"use strict\";\nfunction updateClass(oldVnode, vnode) {\n    var cur, name, elm = vnode.elm, oldClass = oldVnode.data.class, klass = vnode.data.class;\n    if (!oldClass && !klass)\n        return;\n    if (oldClass === klass)\n        return;\n    oldClass 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