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November 25, 2017 15:14
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hyperapp-transpiled.js
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define(["require", "exports"], function (require, exports) { | |
"use strict"; | |
Object.defineProperty(exports, "__esModule", { value: true }); | |
function app(props, container) { | |
var lock; | |
var root = (container = container || document.body).children[0]; | |
var node = vnode(root, [].map); | |
var lifecycle = []; | |
var appState = props.state || {}; | |
var appActions = {}; | |
repaint(init(appState, appActions, props.actions, [])); | |
return appActions; | |
function vnode(element, map) { | |
return (element && | |
h(element.tagName.toLowerCase(), {}, map.call(element.childNodes, function (element) { | |
return element.nodeType === 3 | |
? element.nodeValue | |
: vnode(element, map); | |
}))); | |
} | |
function set(to, from) { | |
for (var i in from) { | |
to[i] = from[i]; | |
} | |
return to; | |
} | |
function merge(to, from) { | |
return set(set({}, to), from); | |
} | |
function setDeep(path, value, from) { | |
var to = {}; | |
return 0 === path.length | |
? value | |
: ((to[path[0]] = | |
1 < path.length | |
? setDeep(path.slice(1), value, from[path[0]]) | |
: value), | |
merge(from, to)); | |
} | |
function get(path, from) { | |
for (var i = 0; i < path.length; i++) { | |
from = from[path[i]]; | |
} | |
return from; | |
} | |
function isFunction(any) { | |
return "function" === typeof any; | |
} | |
function init(state, actions, from, path) { | |
for (var key in from) { | |
isFunction(from[key]) | |
? (function (key, action) { | |
actions[key] = function (data) { | |
state = get(path, appState); | |
if (isFunction((data = action(data))) && | |
isFunction((data = data(state)))) { | |
data = data(actions); | |
} | |
if (data && data !== state && !data.then) { | |
repaint((appState = setDeep(path, merge(state, data), appState))); | |
} | |
return data; | |
}; | |
})(key, from[key]) | |
: init(state[key] || (state[key] = {}), (actions[key] = {}), from[key], path.concat(key)); | |
} | |
} | |
function getKey(node) { | |
if (node && node.props) { | |
return node.props.key; | |
} | |
} | |
function setElementProp(element, name, value, oldValue) { | |
if (name === "key") { | |
} | |
else if (name === "style") { | |
for (var i in merge(oldValue, (value = value || {}))) { | |
element.style[i] = null == value[i] ? "" : value[i]; | |
} | |
} | |
else { | |
try { | |
element[name] = null == value ? "" : value; | |
} | |
catch (_) { } | |
if (!isFunction(value)) { | |
if (null == value || false === value) { | |
element.removeAttribute(name); | |
} | |
else { | |
element.setAttribute(name, value); | |
} | |
} | |
} | |
} | |
function createElement(node, isSVG) { | |
if (typeof node === "string") { | |
return document.createTextNode(node); | |
} | |
else { | |
var element_1 = (isSVG = isSVG || node.type === "svg") | |
? document.createElementNS("http://www.w3.org/2000/svg", node.type) | |
: document.createElement(node.type); | |
if (node.props.oncreate) { | |
lifecycle.push(function () { | |
return node.props.oncreate(element_1); | |
}); | |
} | |
for (var i = 0; i < node.children.length; i++) { | |
element_1.appendChild(createElement(node.children[i], isSVG)); | |
} | |
for (var j in node.props) { | |
setElementProp(element_1, j, node.props[j]); | |
} | |
return element_1; | |
} | |
} | |
function updateElement(element, oldProps, props) { | |
for (var i in merge(oldProps, props)) { | |
var value = props[i]; | |
var oldValue = i === "value" || i === "checked" ? element[i] : oldProps[i]; | |
if (value !== oldValue) { | |
setElementProp(element, i, value, oldValue); | |
} | |
} | |
if (props.onupdate) { | |
lifecycle.push(function () { | |
return props.onupdate(element, oldProps); | |
}); | |
} | |
} | |
function removeElement(parent, element, props) { | |
function done() { | |
parent.removeChild(element); | |
} | |
if (props && props.onremove) { | |
props.onremove(element, done); | |
} | |
else { | |
done(); | |
} | |
} | |
function isVNode(vnode) { | |
return vnode.type != null; | |
} | |
function patch(parent, element, oldNode, node, isSVG, nextSibling) { | |
if (oldNode === node) { | |
} | |
else if (null == oldNode) { | |
element = parent.insertBefore(createElement(node, isSVG), element); | |
} | |
else if (isVNode(node) && isVNode(oldNode) && node.type === oldNode.type) { | |
updateElement(element, oldNode.props, node.props); | |
isSVG = isSVG || node.type === "svg"; | |
var len = node.children.length; | |
var oldLen = oldNode.children.length; | |
var oldKeyed = {}; | |
var oldElements = []; | |
var keyed = {}; | |
for (var i = 0; i < oldLen; i++) { | |
var oldElement = (oldElements[i] = element.childNodes[i]); | |
var oldChild = oldNode.children[i]; | |
var oldKey = getKey(oldChild); | |
if (null != oldKey) { | |
oldKeyed[oldKey] = [oldElement, oldChild]; | |
} | |
} | |
var i = 0; | |
var j = 0; | |
while (j < len) { | |
var oldElement = oldElements[i]; | |
var oldChild = oldNode.children[i]; | |
var newChild = node.children[j]; | |
var oldKey = getKey(oldChild); | |
if (keyed[oldKey]) { | |
i++; | |
continue; | |
} | |
var newKey = getKey(newChild); | |
var keyedNode = oldKeyed[newKey] || []; | |
if (null == newKey) { | |
if (null == oldKey) { | |
patch(element, oldElement, oldChild, newChild, isSVG); | |
j++; | |
} | |
i++; | |
} | |
else { | |
if (oldKey === newKey) { | |
patch(element, keyedNode[0], keyedNode[1], newChild, isSVG); | |
i++; | |
} | |
else if (keyedNode[0]) { | |
element.insertBefore(keyedNode[0], oldElement); | |
patch(element, keyedNode[0], keyedNode[1], newChild, isSVG); | |
} | |
else { | |
patch(element, oldElement, null, newChild, isSVG); | |
} | |
j++; | |
keyed[newKey] = newChild; | |
} | |
} | |
while (i < oldLen) { | |
var oldChild = oldNode.children[i]; | |
var oldKey = getKey(oldChild); | |
if (null == oldKey) { | |
removeElement(element, oldElements[i], oldChild.props); | |
} | |
i++; | |
} | |
for (var k in oldKeyed) { | |
var keyedNode = oldKeyed[k]; | |
var reusableNode = keyedNode[1]; | |
if (!keyed[reusableNode.props.key]) { | |
removeElement(element, keyedNode[0], reusableNode.props); | |
} | |
} | |
} | |
else if (element && node !== element.nodeValue) { | |
if (typeof node === "string" && typeof oldNode === "string") { | |
element.nodeValue = node; | |
} | |
else { | |
element = parent.insertBefore(createElement(node, isSVG), (nextSibling = element)); | |
removeElement(parent, nextSibling, oldNode.props); | |
} | |
} | |
return element; | |
} | |
function render(next) { | |
lock = !lock; | |
if (isFunction((next = props.view(appState, appActions)))) { | |
next = next(appActions); | |
} | |
if (!lock) { | |
root = patch(container, root, node, (node = next)); | |
} | |
while (next = lifecycle.pop()) | |
next(); | |
} | |
function repaint(unknown) { | |
if (props.view && !lock) { | |
setTimeout(render, (lock = !lock)); | |
} | |
} | |
} | |
exports.app = app; | |
function h(type, props, children) { | |
var node; | |
var stack = []; | |
children = []; | |
for (var i = arguments.length; i-- > 2;) { | |
stack.push(arguments[i]); | |
} | |
while (stack.length) { | |
if (Array.isArray((node = stack.pop()))) { | |
for (i = node.length; i--;) { | |
stack.push(node[i]); | |
} | |
} | |
else if (null == node || node === true || node === false) { | |
} | |
else { | |
children.push(typeof node === "number" ? (node = node + "") : node); | |
} | |
} | |
return typeof type === "string" | |
? { | |
type: type, | |
props: props || {}, | |
children: children | |
} | |
: type(props || {}, children); | |
} | |
exports.h = h; | |
}); |
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