html 类を使用してHyperappを书いてみたref：https：//qiita.com/tom-u/items/5566fecf51fc30fff007
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<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
<script type="text/javascript" src="https://unpkg.com/hyperapp"></script>
<script>
const { app, h } = hyperapp
class Hyperclass {
constructor() {
this.state = {}
this.actions = {}
this.view = (state, actions) => h("h1", {}, "Hyperclass")
}
appendTo(container) {
return app(this.state, this.actions, this.view, container)
}
}
class Counter extends Hyperclass {
constructor(className='counter') {
super()
this.state = {
count: 0,
}
this.actions = {
up : by => s => ({ count: s.count+by }),
down: by => s => ({ count: s.count-by }),
}
this.view = (s,a) => h("div", {class:className}, [
h("h1", {}, s.count),
h("button", {onclick:()=>a.up(1)}, `+1`),
h("button", {onclick:()=>a.down(1)}, `-1`),
])
}
}
class TwinCounter extends Hyperclass {
constructor(className='twinCounter') {
super()
const c1 = new Counter()
const c2 = new Counter()
const twinActionButton = text => (s,a) =>
h("button", {onclick:()=>a.twinAction()}, text)
this.state = {
counter1: c1.state,
counter2: c2.state,
}
this.actions = {
counter1: c1.actions,
counter2: c2.actions,
twinAction: () => (s,a) => {
a.counter1.up(1)
a.counter2.down(1)
},
}
this.view = (s,a) => h("div", {class:className}, [
twinActionButton("twin action"),
c1.view(s.counter1,a.counter1),
c2.view(s.counter2,a.counter2),
])
}
}
const component = new TwinCounter()
const widget = component.appendTo(document.body)
for(let i=0; i<10000; i++) setTimeout(widget.twinAction, i)
</script>
</body>
</html>
import Hyperclass from './hyperclass.js'
class Counter extends Hyperclass {
constructor(classname='counter') {
this.classname = classname
this.count = 0
}
up(by) {
//this.count += by
return self => ({count: self.count + by})
}
down(by) {
//this.count -= by
return self => ({count: self.count - by})
}
view(self) {
return h("div", {class:self.classname}, [
h("h1", {}, self.count),
h("button", {onclick:()=>self.up(1)}, '+1'),
h("button", {onclick:()=>self.down(1)}, '-1'),
])
}
}
class TwinCounter extends Hyperclass {
constructor(classname='twincounter') {
this.classname = classname
this.counter1 = new Counter()
this.counter2 = new Counter()
}
twin() {
return self => {
self.counter1.up(1)
self.counter2.down(1)
}
}
view(self) {
return h("div", {class:self.classname}, [
h("button", {onclick:()=>self.twin()}, "twin action"),
self.counter1.view(self.counter1),
self.counter1.view(self.counter2),
])
}
}
new TwinCounter().appendTo(document.body)
<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
<script type="module">
import { h, app as mount} from 'https://unpkg.com/hyperapp?module'
class Hyperclass {
constructor() {
this.state = {}
this.actions = {}
this.view = (state, actions) => h("h1", {}, "Hyperclass")
}
appendTo(container) {
return mount(this.state, this.actions, this.view, container)
}
assign(namespace, component) {
this[namespace] = { view: component.view }
this.state[namespace] = component.state
this.actions[namespace] = component.actions
}
}
class Counter {
constructor(classname='counter') {
this.state = {
count: 0,
}
this.actions = {
up : (by) => (state, actions) => ({count: state.count+by}),
down: (by) => (state, actions) => ({count: state.count-by}),
}
this.view = (state, actions) => h("div", {class:classname}, [
h("h1", {}, state.count),
h("button", {onclick:()=>actions.up(1)}, '+1'),
h("button", {onclick:()=>actions.down(1)}, '-1'),
])
}
}
class TwinCounter extends Hyperclass {
constructor(cls='twinCounter') {
super()
this.assign('c1', new Counter())
this.assign('c2', new Counter())
Object.assign(this.actions, {
twin: _ => (s,a) => {
a.c1.up(1)
a.c2.down(1)
},
})
const tree = c => h("div",{class:cls},c)
const button = t => (s,a) => h("button",{onclick:a.twin},t)
const view1 = _ => (s,a) => this.c1.view(s.c1,a.c1)
const view2 = _ => (s,a) => this.c2.view(s.c2,a.c2)
this.view = (s,a) => tree([
button("twin action"),
view1(),
view2(),
])
}
}
const component = new TwinCounter()
const widget = component.appendTo(document.body)
for(let msec=0; msec<10000; msec++) setTimeout(widget.twin, msec)
</script>
</body>
</html>
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