Created
February 5, 2016 01:46
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var h = require('virtual-dom/h') | |
var diff = require('virtual-dom/diff') | |
var patch = require('virtual-dom/patch') | |
var createElement = require('virtual-dom/create-element') | |
var Delegator = require('dom-delegator') | |
var sendChange = require('value-event/change') | |
Delegator() | |
var state = main({ actions: {} }, update) | |
state.actions = Object.keys(state.actions).reduce(function (hash, fn) { | |
hash[fn] = Delegator.allocateHandle(state.actions[fn].bind(null, state)) | |
return hash | |
}, {}) | |
function header (state, update) { | |
state.name = state.name || '' | |
state.actions.handleNameChange = actions(update).handleNameChange | |
return state | |
function actions(update) { | |
return { | |
handleNameChange: function (state, data) { | |
state.name = data.name | |
update(state) | |
} | |
} | |
} | |
} | |
header.render = function (state) { | |
return h('header', [ | |
h('input', { | |
name: 'name', | |
value: state.name, | |
'ev-event': sendChange(state.actions.handleNameChange) | |
}), | |
h('h1', 'Hello' + (state.name ? ', ' + state.name : '')), | |
]) | |
} | |
function main(state, update) { | |
state = header(state, update) | |
return state | |
} | |
main.render = function (state) { | |
return h('main', [ | |
header.render(state) | |
]) | |
} | |
var tree = main.render(state) | |
var rootNode = createElement(tree) | |
document.body.appendChild(rootNode) | |
function update(state) { | |
var newTree = main.render(state) | |
var patches = diff(tree, newTree) | |
patch(rootNode, patches) | |
tree = newTree | |
} |
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