Railsã¨ã³ã¸ãã¢ãReactãå§ãã¦SSRã¨Reduxã¨TypeScriptãå°å ¥ããã¾ã§
Railsã¨ã³ã¸ãã¢ãReactãå§ãã¦SSRã¨Reduxãå°å ¥ããã¾ã§
Roppongi.rb #3 "Rails x Frontend-Tech"
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- github.com/gfx
- BitJourneyã§Kibelaãéçº
- Speee, Inc. ã§æè¡é¡§åããã¦ã
- Reactã¯ç¾è·ã§åãã¦è§¦ã£ãï¼2016å¹´8æ~ï¼
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- å°ããå°å
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- â React MicroContainer
- â React Redux + (?: Redux Think | Redux Saga | Redux XXX ... )+
ç¾ç¶ç¢ºèª 2017å¹´ã»å¤
- Rails x React (+jQuery) ã¨ããæ§æã¯å¤åãªã
- Rails㯠v4.2.x (v5.0移è¡ã®ããã®ãã©ã³ãã¯ä½æ¥ä¸ï¼
- Hypernovaã§SSR: Server Side Renderingãå°å ¥ããï¼2016å¹´12æï¼
- React Reduxãå°å ¥ããï¼2017å¹´4æï¼
- TypeScriptãå°å ¥ããï¼2017å¹´5æï¼
æéãé¡ã£ã¦2016å¹´ã»å¤
- ã¯ããã¦Reactã触ã
- ãã©ãã¤ã ã®éãã«æ¸æã
- ã¤ãã³ãããªãã³ vs 宣è¨å
- Reactçãªç¶æ 管çã«æ £ããã¨ãããã
å°æãã¤ã³ã: ã¤ãã³ãããªãã³ vs 宣è¨å
ãã¨ãã°ãã¯ãªãã¯ãã¦dropdownãéããã¨ããå®çªã®UIãã¿ã¼ã³ã
ã¤ãã³ãããªãã³ççºæ³
- è¦ç´ Aãã¯ãªãã¯
-
onClick
ã¤ãã³ããã³ãã©ãèµ·å - ã¤ãã³ããã³ãã©ã§Dropdown componentãéãï¼ãã¨ãã° classã«
is-dropdown-open
ã追å ãããªã©ãã¦ï¼ - main loopã®æ¬¡ã®tickã®dropdownã®viewãéã
ããããã³ã¼ãã«ãªã:
class DropdownContainer extends React.Component {
onDropdownClick() {
// ãclickããããdropdownãéããã¨ããã¤ãã³ãããªãã³çãªçºæ³
this.dropdown.setOpen(true);
}
render() {
return <Dropdown
ref={(dropdown) => this.dropdown = dropdown}
onClick={() => this.onDropdownClick()}>
...
</Dropdown>;
}
}
宣è¨çããã°ã©ãã³ã°ã®çºæ³
- è¦ç´ Aãã¯ãªãã¯
-
onClick
ã¤ãã³ããã³ãã©ãèµ·å setState({ isDropdownOpen: true })
- main loopã®æ¬¡ã®tickã§
React.Component#render()
ãå®è¡ -
<Dropdown isOpen={this.state..isDropdownOpen}
/>` ã®ç¶æ ãå¤ããdropdownã®viewãéã
class DropdownContainer extends React.Component {
// constructorã¯çç¥
onDropdownClick() {
// ãclickããããdropdownã®ç¶æ
ãå¤ãããã¨ãã宣è¨çãªçºæ³
this.setState({ isDropdownOpen: true })
}
render() {
return <Dropdown
isOpen={this.state.isDropdownOpen}
onClick={() => this.onDropdownClick()}>
...
</Dropdown>;
}
}
- ãã®è¾ºã¯ã©ã¡ããããã¨ãããã®ã§ã¯ãªãææ³ã®éã
- ãã ããReactã¯å¾è
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2016å¹´ã»å¬
- ããã¾ã§ã¯å®å ¨ã«React componentãåçã«ãã¤ã³ããã¦ãã
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$(() => $(".react-componet").each((_, elem) => ReactDOM.render(...)))
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React components in a page
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/blogs/42/#comment_123
ï¼ãåä½ããªããªã£ãããã¼ã¸ãéãã段éã§ã¯DOMè¦ç´ ãåå¨ããªãã®ã§ãã¢ã³ã«ã¼ãªã³ã¯ãåããªãã®ã¯å½ç¶- React componentã¸ã®ç½®ãæãã¯å¿ è¦ããã£ã¦ãã£ããã¨ãªã®ã§ãrevertã¯åããªãé¸æã ã£ã
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SSR: Server Side Rendering
- åºç¾©ã«ã¯ãµã¼ãã¼ãµã¤ãã§ãã³ãã¬ã¼ãã¨ã³ã¸ã³ã使ã£ã¦HTMLãçæãããã¨
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React.render(reactElement, domContainerNode)
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課é¡: Railsããã©ããã£ã¦JavaScriptã®ã³ã¼ããå®è¡ããã
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therubyracer
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ãªã©ã®embedded JavaScript engineã§å®è¡ãã - nodejsãåçºã®ã³ãã³ãã¨ãã¦å®è¡ãã
- nodejs serverãç«ã¦ã¦IPCã§çµæãåãåã
Embedded JavaScript engineã§å®è¡ãã
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nodejsã®åçºã®ã³ãã³ãã¨ãã¦å®è¡ãã
- ãªã¼ãã¼ããããé常ã«å¤§ãã
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node -e 'require("react"); require("react-dom")'
ã ã㧠150ms ãããããã - æçµçã«ã¯ããã©ã¼ãã³ã¹ã¸ã®å½±é¿ãæ¸å¿µãã¦è«¦ãã
- ãã¨ãã°
- NodeJSã«ã¯source-mapsãééçã«ä½¿ãã©ã¤ãã©ãªãããã®ã§ãããã°ã¯ãããªã«é£ããã¯ãªãã¨æãããï¼æªæ¤è¨¼ï¼
nodejs serverãç«ã¦ã¦IPCã§å®è¡ãã
- ãªã¼ãã¼ãããã¯å°ãããã³ã³ãã¤ã«çµæï¼ï¼JITãããã³ã¼ãï¼ãæ´»ããããã
- ãã¼ã¢ã³ããã»ã¹ã®éç¨ãããé¢å
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- ãã®ææ³ãæ¡ç¨ãã¦ãã airbnb/hypernova ãæ¡ç¨ãããã¨ã«ãã
Hypernova
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- 3ã¤ã®ã³ã³ãã¼ãã³ããããªã
- hypernova - nodejs製ã®HTTPãµã¼ãï¼hypernovaãµã¼ãï¼
- hypernova-react - hypernovaãµã¼ãç¨ã®JavaScriptç¨ã©ã¤ãã©ãªï¼server, client両ç¨ï¼
- hypernova-ruby - hypernovaãµã¼ãã¨é£æºããããã®ruby gemï¼*-rubyã¨ãããã®ã®Railså°ç¨ï¼
- Railsç¨view helperã®
render_react_component()
ã§ä¸æ¦__hypernova_render_token[id]__
ã¨ããæååãè¿ããaround helperã®æå¾ã«ã¾ã¨ãã¦hypernovaãµã¼ãã«ãªã¯ã¨ã¹ãã㦠å ç¨ã®tokenãæ£å¼ãªçµæã¨ããã¨ããæ¯ãèãï¼ãããã¢ã¼ãï¼- ãªã¯ã¨ã¹ãã1度ã§æ¸ãã®ã§ãªã¼ãã¼ãããã¯å°ãªãããfragment cacheã使ããªããªãã®ãæ¬ ç¹
Hypernovaã®æ§æ
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ãã¦ãã
- éç¨ãã·ã³ãã«ã§æ¸ãã®ã§ãã
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- ããã»ã¹ã¯pm2ã§ç®¡çãã¦ãã
- ããã¨ãããã©ãããå¤ãã®ã§ããã¯æ¨ã¦ãã
Hypernovaãã®ä»
- æ £ããã°ãããã°ã¯ããã»ã©å¤§å¤ã§ã¯ãªãããSSRããã®åé¡ãæ·±å»ãªãã®ã¯ã»ã¨ãã©ãªã
- React componentã¯nodejsã§ãå®è¡ã§ããªããã°ãªããªãã®ã§ãUniversal JSãæèããããã«ãªã£ã
- éUniversal JSãªã³ã¼ãã¯
componentDidMount()
ã§èµ·åããããã«
- éUniversal JSãªã³ã¼ãã¯
- Universal JSé¨åã¯global stateï¼ã°ãã¼ãã«å¤æ°ï¼ã«æ±ºãã¦ä¾åãã¦ã¯ãããªã
- localeãredux storeãªã©ãglobalã§ãããããªãã®ã§ããã¡
- ã¤ã¾ãUniversal JSé¨å㯠ã¹ãã¼ãã¬ã¹ ã«ããå¿ è¦ããã
2017å¹´ã»æ¥
åé¡: è¤éãªé層ããã¤componentã®ç¶æ 管çã大å¤ã«ãªã£ã¦ãã
- MicroContainerã®æ§é ã®åé¡ã¨æãã¦flux frameworkãåæ¤è¨ãããã¨ã«ãã
- React Redux ãå°å ¥ãã
MiroContainer (from dex1t's slide):
- 親ãåã®ç¶æ ãæã¤ã®ã¯ãã
- 親ãå«ã®ç¶æ
ãæã¤ããã«ãªãã¨ã¤ãã
- 親ãç´æ¥é¢ä¸ããªãå«ã«ã¤ãã¦ç¥èããã£ã¦ãªãã¨ãããªããªã
- 親ã¯å«ã®æ§é ãã¾ã£ããç¥ããªãã®ã«ï¼
React Redux
- Reduxã ã¨storeãã°ãã¼ãã«ã«ãªãã®ã§ããããã®componentã対å¿ããstoreã¨ããã¨ãããã ãã«ãªã
- ã¤ã¾ã container in container ã«ã«ãªã
container ã¨action creator & reducerãå®è£ ãã ducks ãstateã®ç®¡çãè¡ã - ãã®ã¸ãã¯ããã¤ãæµåãããããã
- ã¤ã¾ã container in container ã«ã«ãªã
- redux-devtools-extension ã§ã¤ãã³ãã®çºè¡ã¨redux stateã®æ´æ°ã観å¯ã§ãã
React Reduxã®å°è±¡
- See Also: React Reduxãã¡ã¼ã¹ãã¤ã³ãã¬ãã·ã§ã³ by gfx
- React componentã¯Reduxã®åå¨ãã¾ã£ããæèããªãã¦æ¸ãã®ã¯ãã
- ç¹ã«React MicroContainerã¨æ¯è¼ããã¨ãã«é¡èãªç¹å¾´
- containerã®è¨è¨ã¯ããããã
- ç¹ã« root container has many child containers ã¿ããã«ãªãã¨â¦
Root Container has many Child Containers
- ãã¨ãã°Kibelaã®å·¦ãµã¤ããã¼ã®baord list:
â ActionButtonã¨ããã³ã³ãã¼ãã³ããã¯ãªãã¯ããã¨dropdownãéã
â ãååãå¤æ´ãããã§ã¢ã¼ãã«ãéã
// ç°¡ç¥åããã¨ããããæ§é
<BoardList>
<BoardEntry name="Infra" id={1}>
<ActionButtonContainer id={1}>
<BoardUpdateModal id={1} .../>
<BoardDeleteModal id={1} .../>
</ActionButtonContainer>
<BoardEntry>
<BoardEntry name="WIP" id={2}>
<ActionButtonContainer id={2}>
<BoardUpdateModal id={2} .../>
<BoardDeleteModal id={2} .../>
</ActionButtonContainer>
<BoardEntry>
</BoardList>
-
ActionButtonContainer ã沢山ããâ¦
-
redux storeã¯global stateãªã®ã§ããã¨ãã°boardã®renameã®ããã®stateãã©ããã£ã¦è¡¨ç¾ããï¼
-
Array<BoardEntryState>
ã¿ãããªã³ã¬ã¯ã·ã§ã³ -
focusedBoard
ã¿ãããªãç¾å¨ãã©ã¼ã«ã¹ã®ããbaordãã¨ããstateãä½ããããã«å¿ è¦ãªæ å ±ãããã
-
-
ä»åã¯(2) ã® focused entiy ã«ãããã¨ããã®ãä¸åº¦ã«éãã¢ã¼ãã«ã¯ä¸ã¤ãããªãããããã®ã»ããèãããã¨ãå°ãªããã ãã
function mapStateToProps({ a }, ownProps) {
const boardId = ownProps.boardId;
const isFocused = boardId === a.boardId;
return {
boardId,
// ç¾å¨ãã©ã¼ã«ã¹ã®ããã¨ãã以å¤ã¯èªåçã«falseããã以å¤ã«ã¤ãã¦ç¶æ
ã管çãã
isDropdownOpen: isFocused ? a.isDropdownOpen : false,
isBoardUpdateModalOpen: isFocused ? a.isBoardUpdateModalOpen : false,
isBoardDeleteModalOpen: isFocused ? a.isBoardDeleteModalOpen :false,
};
}
Redux x Hypernova
- Reduxã®stateã¯ã°ãã¼ãã«
- Hypernovaã¯ã¹ãã¼ãã¬ã¹
ããâ¦global stateã®æ§åãâ¦ï¼
Redux global state x stateless Hypernova ã¨ããåé¡
- å ¬å¼ããã¥ã¡ã³ããã: Server Rendering · Redux
- "create a fresh, new Redux store instance on every request" ã¨ã®ãã¨
- Hypernovaã¯componentåä½ã§ããå¦çã§ããªãã®ã§ãcomponentãã¨ã«storeãçæãã¦ãã
- storeã®ã»ã¨ãã©ã¯ä½¿ããªãã®ã§ç¡é§ãå¤ã
- SPAåæã®è¨è¨ã ããã ãããªã£ã¦ããã¨æããã
2017å¹´ã»å¤
Reduxãå°å ¥ãããcontainerã¨ducksã¨componentããããã®ã大å¤ã«ãªã£ã¦ãã
- container, ducks, componentã®ãã¡ã¤ã«ãããããéãã¦çºããªããã³ã¼ãã£ã³ã°ããã®ã¯ã¤ãã
éçåä»ãaltJSã®å°å ¥
- éçåä»ãè¨èªã«ããã°ãè£å®ãå¼·åã«ãªãã®ã§è§£æ±ºãæå¾ ã§ãã
- æ¤è¨ã®çµæTypeScriptã®å°å ¥ã決å®
TypeScript vs flow
- ã©ã¡ãã JavaScript + éçåã·ã¹ãã ãªaltJS
- TypeScriptã®ãã£ããã³ãã¼ã¯ "JavaScript that scales"
- flowã®ãã£ããã³ãã¼ã¯ "A sttic type checker for JavaScript"
- ã©ã¡ããå°å
¥ãããã¯å¥½ã¿ã®å·®ããªã¨
- See Also: ãªãTypeScriptæ¨ããªã®ã by gfx
- Reactã®ã³ã¼ããã¼ã¹ã«flowãå°å ¥ããã¤ã¤ããã®ã§ãReactããããªãflowã®ã»ããæéã¯å°ãªããã
- ãã¨ãã¨ES201xã®ã³ã¼ãã§ããã°ç§»è¡ã³ã¹ãã¯å¤§å·®ãªã
- 移è¡ã³ã¹ãã¯flowã®ã»ããä½ãã¨ãããããããããTypeScriptã¯ã³ã³ãã¤ã«ãªãã·ã§ã³æ¬¡ç¬¬ã§ããªããããã§ããã®ã§ããã®ç¶æ ã§ããã°ã»ã¼åãã¨èãã¦ãã
TypeScriptã®å°å ¥
- ãã¹ããå«ãã¦ä¸æ°ã«ç½®ãæãã
- ä½æ¥èªä½ã¯ç´2é±éï¼èª¿æ»æéã¯é¤ãï¼
- æ£ããè¨å®ãã¡ã¤ã«ãä½ãã®ãä¸çªå¤§å¤
- babelã¯
babel-plugin-transform-remove-console
ã®ããã ãã«ä½¿ã£ã¦ãã- ãããwebpack pluginã§ããããã«ããã°babelã¸ã®ä¾åããªããã
- å·®åã¯æã£ãã»ã©å¤ããªãã£ã
- webpack ES modulesã¨äºææ§ã®ãªãimportè¨æ³
extends React.Component<any, any>
-
(<any>expr).hogehoge
ãªã©ã®ååããï¼æ°ã¯å°ãªãï¼
å ¸åçãªå·®åã®ä¾:
import * as PropTypes from 'prop-types';
import * as React from 'react';
-import Modal from 'react-modal';
-import classNames from 'classnames';
+import * as Modal from 'react-modal';
+import * as classNames from 'classnames';
import { FormattedMessage, intlShape } from 'react-intl';
import KibelaSymbol from '../shared/kibela_symbol';
-export default class BoardDeleteModal extends React.Component {
+export default class BoardDeleteModal extends React.Component<any, any> {
+ board: any;
+ defaultBoard: any;
+
static get propTypes() {
return {
intl: intlShape.isRequired,
- importæã®æ¸ãæã
-
React.Component<any, any>
ã®ããã«åãã©ã¡ã¼ã¿ã追å - ã¯ã©ã¹ã®ãã£ã¼ã«ãã追å ï¼èªæã§ãªããã®ã¯ä¸æ¦anyã§ï¼
TypeScriptææ
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- TypeScriptè¨èªï¼âåã·ã¹ãã ï¼èªä½ã¯å®æ度ãé«ã
- ã¨ã¯ãã
- â æ¸ ãæ£ããç¾ããåä»ãããã¦ãã°ã®ãªãä¸ç
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- tslintã®ã¯ãªãªãã£ãã¾ã eslintã»ã©ã§ã¯ãªã
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- åå®ç¾©ãã¡ã¤ã«ã®ãã¹ãã£ã³ã°ãªãã¸ããªã§ãããDefinitelyTyped ãã¨ããã®ã¯ãããâ¦
- åºæ¬çã«å質ã¯ãã©ãã©
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@types/react
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