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@tusharmath
Last active September 2, 2016 17:21
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RWC - preact
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>ESNextbin Sketch</title>
<!-- put additional styles and scripts here -->
</head>
<body>
<!-- put markup and other contents here -->
<x-counter></x-counter>
</body>
</html>
// write ES2015 code and import modules from npm
// and then press "Execute" to run your program
import rwc from 'rwc'
import { render } from 'preact'
import { createElement as h } from 'preact-hyperscript'
function preactPatcher (shadowRoot) {
let __vNode
return function (vNode) {
__vNode =render(vNode, shadowRoot, __vNode)
}
}
const CounterComponent = {
init () {
return {count: 0}
},
update (state, {type, params}) {
const {count} = state
switch(type) {
case 'INC': return {count: count + 1}
case 'DEC': return {count: count - 1}
default: return state
}
},
view ({count}, d) {
return h('div', [
h('h1', [count]),
h('button',{onclick: d('INC')}, ['INCREMENT']),
h('button',{onclick: d('DEC')}, ['DECREMENT']),
])
}
}
// create prototype object
const proto = rwc.createWCProto(preactPatcher, CounterComponent)
// create an HTMLElement instance
const html = Object.create(HTMLElement.prototype)
// extend html element with the created prototype
const prototype = Object.assign(html, proto)
document.registerElement('x-counter', {prototype})
{
"name": "esnextbin-sketch",
"dependencies": {
"rwc": "1.0.2",
"preact": "5.7.0",
"preact-hyperscript": "0.7.0",
"babel-runtime": "6.11.6"
},
"version": "0.0.0"
}
'use strict';
var _extends2 = require('babel-runtime/helpers/extends');
var _extends3 = _interopRequireDefault(_extends2);
var _create = require('babel-runtime/core-js/object/create');
var _create2 = _interopRequireDefault(_create);
var _rwc = require('rwc');
var _rwc2 = _interopRequireDefault(_rwc);
var _preact = require('preact');
var _preactHyperscript = require('preact-hyperscript');
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function preactPatcher(shadowRoot) {
var __vNode = void 0;
return function (vNode) {
__vNode = (0, _preact.render)(vNode, shadowRoot, __vNode);
};
} // write ES2015 code and import modules from npm
// and then press "Execute" to run your program
var CounterComponent = {
init: function init() {
return { count: 0 };
},
update: function update(state, _ref) {
var type = _ref.type;
var params = _ref.params;
var count = state.count;
switch (type) {
case 'INC':
return { count: count + 1 };
case 'DEC':
return { count: count - 1 };
default:
return state;
}
},
view: function view(_ref2, d) {
var count = _ref2.count;
return (0, _preactHyperscript.createElement)('div', [(0, _preactHyperscript.createElement)('h1', [count]), (0, _preactHyperscript.createElement)('button', { onclick: d('INC') }, ['INCREMENT']), (0, _preactHyperscript.createElement)('button', { onclick: d('DEC') }, ['DECREMENT'])]);
}
};
// create prototype object
var proto = _rwc2.default.createWCProto(preactPatcher, CounterComponent);
// create an HTMLElement instance
var html = (0, _create2.default)(HTMLElement.prototype);
// extend html element with the created prototype
var prototype = (0, _extends3.default)(html, proto);
document.registerElement('x-counter', { prototype: prototype });
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