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2 changes: 1 addition & 1 deletion docs/main-concepts.cn.md
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[English](./main-concepts.md) | 简体中文
[English](./main-concepts.md) | 简体中文 | [한국어](./main-concepts.kr.md)

## Omi 文档

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327 changes: 327 additions & 0 deletions docs/main-concepts.kr.md
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[English](./main-concepts.md) | [简体中文](./main-concepts.cn.md) | 한국어

## Omi Docs

- [Omi Docs](#omi-docs)
- [My First Element](#my-first-element)
- [Props](#props)
- [Event](#event)
- [Custom Event](#custom-event)
- [CSS](#css)
- [Ref](#ref)
- [Store](#store)
- [Slot](#slot)
- [SSR](#ssr)

### My First Element

```js
import { WeElement, tag, render } from 'omi'

@tag('my-first-element')
class MyFirstElement extends WeElement {
render() {
return (
<h1>Hello, world!</h1>
)
}
}

render(<my-first-element></my-first-element>, 'body')
```

HTML 개발자 도구에서 렌더링 구조를 확인하세요:

![fe](../assets/first-element.jpg)

또한, 당신은 다음과 같이 다른 커스텀 엘리먼트(element)에서 `my-first-element`를 사용할 수 있습니다. :

```js
import { WeElement, tag, render } from 'omi'
import './my-first-element'

@tag('other-element')
class OtherElement extends WeElement {
render() {
return (
<div>
<my-first-element></my-first-element>
</div>
)
}
}
```

### Props

```js
import { WeElement, tag, render } from 'omi'

@tag('my-first-element')
class MyFirstElement extends WeElement {
render(props) {
return (
<h1>Hello, {props.name}!</h1>
)
}
}

render(<my-first-element name="world"></my-first-element>, 'body')
```

당신은 또한 props를 통해 모든 유형의 데이터를 전송할 수 있습니다 :

```js
import { WeElement, tag, render } from 'omi'

@tag('my-first-element')
class MyFirstElement extends WeElement {
render(props) {
return (
<h1>Hello, {props.myObj.name}!</h1>
)
}
}

render(<my-first-element my-obj={{ name: 'world' }}></my-first-element>, 'body')
```
`my-obj`는 camel-case로 myObj에 매핑됩니다.

### Event

```js
class MyFirstElement extends WeElement {
onClick = (evt) => {
alert('Hello Omi!')
}

render() {
return (
<h1 onClick={this.onClick}>Hello, world!</h1>
)
}
}
```

### Custom Event

```js
@tag('my-first-element')
class MyFirstElement extends WeElement {
onClick = (evt) => {
this.fire('myevent', { name: 'abc' })
}

render(props) {
return (
<h1 onClick={this.onClick}>Hello, world!</h1>
)
}
}

render(<my-first-element onMyEvent={(evt) => { alert(evt.detail.name) }}></my-first-element>, 'body')
```

`this.fire` 로 커스텀 이벤트를 실행할 수 있고, `evt.detail` 로 데이터를 가져올 수 있습니다.

### CSS

```js
@tag('my-first-element')
class MyFirstElement extends WeElement {
css() {
return `h1 { color: red; }`
}

render(props) {
return (
<h1>Hello, world!</h1>
)
}
}

render(<my-first-element onMyEvent={(evt) => { alert(evt.detail.name) }}></my-first-element>, 'body')
```

당신은 CSS를 동적으로 생성되게 할 수 있습니다:

```js
css() {
return `h1 { color: ${Math.random() > 0.5 ? "red" : "blue"}; }`
}
```

당신은 또한 webpack의 [to-string-loader](https://www.npmjs.com/package/to-string-loader)을 사용하여 CSS, less와 sass를 다른 파일에 따로 작성할 수 있습니다:

```js
{
test: /[\\|\/]_[\S]*\.scss$/,
use: [
'to-string-loader',
'css-loader',
'sass-loader'
]
}
```

그리고:

```js
import { tag, WeElement } from 'omi'
import style from '../style/_button.scss'

@tag('el-button', true)
class ElButton extends WeElement {

css() {
return style
}
...
...
```
### Ref
```js
@tag('my-first-element')
class MyFirstElement extends WeElement {
onClick = (evt) => {
console.log(this.h1)
}

render(props) {
return (
<div>
<h1 ref={e => { this.h1 = e }} onClick={this.onClick}>Hello, world!</h1>
</div>
)
}
}

render(<my-first-element></my-first-element>, 'body')
```
엘리먼트의 속성으로 `ref={e => { this.anyNameYouWant = e }}` 를 추가하면, `this.anyNameYouWant` 을 통해 받을 수 있습니다.
### Store
```js
import { WeElement, tag, render } from 'omi'

@tag('my-first-element')
class MyFirstElement extends WeElement {
//You must declare data here for view updating
static get data() {
return { name: null }
}

onClick = () => {
//auto update the view
this.store.data.name = 'abc'
}

render(props, data) {
//data === this.store.data when using store system
return (
<h1 onClick={this.onClick}>Hello, {data.name}!</h1>
)
}
}

const store = {
data: { name: 'Omi' }
}
render(<my-first-element name="world"></my-first-element>, 'body', store)
```
정적 데이터는 부분 뷰 업데이트를 위해 경로로 변환됩니다.:
```js
static get data() {
return {
a: null,
b: null,
c: { d: [] },
e: []
}
}

```
변환된 경:
```js
{
a: true,
b: true,
'c.d':true,
e: true
}
```
경로 변경 규칙 예시:
| proxy path | updatePath | Update |
| ---------- | ---------- | ------ |
| abc | abc | true |
| abc[1] | abc | true |
| abc.a | abc | true |
| abc | abc.a | false |
| abc | abc[1] | false |
| abc | abc[1].c | false |
| abc.b | abc.b | true |
If you hit one condition above, you can update it.
Summary is as long as updatePath or updatePath sub nodes are updated.
우리가 store 시스템이 중앙화 되었는지 확인할 수 있나요? 그렇다면 어떻게 다른 컴포넌트들을 중앙화 할까요? tag의 두번째 파라미터를 사용하세요:
```js
@tag('my-first-element', true)
```
Pure element! Store가 삽입되지 않을겁니다!
### Slot
웹 구성 요소 기술 집합의 HTML 요소 인 `<slot>` 은 별도의 DOM 트리를 만들고 함께 보여줄 수 있는 마크 업으로 당신이 웹 구성 요소를 채울 수 있게 해주는 placeholder입니다.
```jsx
import { tag, render, WeElement } from '../../src/omi'

@tag('hello-element')
class HelloElement extends WeElement {
render() {
return (
<div onClick={this.onClick}>
<p><slot name="my-text">My default text</slot></p>
</div>
)
}
}

@tag('my-app')
class MyApp extends WeElement {
render() {
return (
<div >
<hello-element>
<span slot="my-text">Let's have some different text!</span>
</hello-element>
</div>
)
}
}
render(<my-app></my-app>, 'body')
```
[→ Slot MDN](https://developer.mozilla.org/en-US/docs/Web/Web_Components/Using_templates_and_slots#Adding_flexibility_with_slots)
### SSR
Recommended class libraries:
* https://github.com/skatejs/skatejs/tree/master/packages/ssr
* https://www.youtube.com/watch?v=yT-EsESAmgA
2 changes: 1 addition & 1 deletion docs/main-concepts.md
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English | [简体中文](./main-concepts.cn.md)
English | [简体中文](./main-concepts.cn.md) | [한국어](./main-concepts.kr.md)

## Omi Docs

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