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Brian Vaughn
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{ | ||
"parser": "babel-eslint", | ||
"extends": [ | ||
"standard", | ||
"standard-react" | ||
], | ||
"env": { | ||
"es6": true | ||
}, | ||
"plugins": [ | ||
"react" | ||
], | ||
"parserOptions": { | ||
"sourceType": "module", | ||
"allowImportExportEverywhere": true | ||
}, | ||
"rules": { | ||
// don't force es6 functions to include space before paren | ||
"space-before-function-paren": 0, | ||
|
||
// allow specifying true explicitly for boolean props | ||
"react/jsx-boolean-value": 0, | ||
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// allow imports mixed with non-import statements at top of file | ||
"import/first": 0 | ||
} | ||
"extends": ["react-app", "plugin:prettier/recommended"] | ||
} |
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.App { | ||
height: 100%; | ||
padding: 1rem; | ||
} | ||
|
||
.Block { | ||
display: flex; | ||
flex-direction: column; | ||
} | ||
.BlockHeader { | ||
font-weight: bold; | ||
margin: 1rem 0; | ||
} | ||
.BlockBody { | ||
display: flex; | ||
flex-direction: row; | ||
align-items: flex-start; | ||
flex-wrap: wrap; | ||
} | ||
.BlockDemo { | ||
margin-bottom: 0.5rem; | ||
margin-right: 0.5rem; | ||
} | ||
.BlockCode { | ||
margin-bottom: 0.5rem; | ||
border: 1px solid #ddd; | ||
} | ||
|
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.CodeMirror { | ||
height: auto; | ||
background-color: #f7f7f7; | ||
} | ||
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.ScrollToLabel { | ||
font-weight: bold; | ||
margin-right: 1rem; | ||
} | ||
|
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.List { | ||
border: 1px solid #ddd; | ||
} | ||
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.ListItemEven, | ||
.ListItemOdd { | ||
display: flex; | ||
align-items: center; | ||
justify-content: center; | ||
} | ||
.ListItemOdd { | ||
background-color: #f7f7f7; | ||
} | ||
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.ListItemRernCount { | ||
color: #ccc; | ||
margin-left: 0.5rem; | ||
} |
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@@ -1,13 +1,273 @@ | ||
import React, { Component } from 'react' | ||
import React, { Component } from "react"; | ||
import { | ||
FixedSizeGrid as Grid, | ||
FixedSizeList as List | ||
} from "react-virtualized-v10"; | ||
import CodeMirror from "react-codemirror"; | ||
import "codemirror/mode/javascript/javascript"; | ||
import "codemirror/mode/jsx/jsx"; | ||
import "codemirror/lib/codemirror.css"; | ||
import "codemirror/theme/dracula.css"; | ||
import "./App.css"; | ||
|
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import ExampleComponent from 'react-virtualized' | ||
const DEFAULT_GRID_PROPS = { | ||
className: "List", | ||
columnCount: 1000, | ||
columnWidth: 100, | ||
height: 150, | ||
rowCount: 1000, | ||
rowHeight: 35, | ||
width: 300 | ||
}; | ||
|
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export default class App extends Component { | ||
render () { | ||
const DEFAULT_LIST_PROPS = { | ||
cellSize: 35, | ||
className: "List", | ||
count: 1000, | ||
height: 150, | ||
width: 300, | ||
children: props => <ListCell {...props} /> | ||
}; | ||
|
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export default class App extends Component<void, void> { | ||
grid = React.createRef(); | ||
horizontalList = React.createRef(); | ||
scrollingList = React.createRef(); | ||
verticalList = React.createRef(); | ||
|
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render() { | ||
return ( | ||
<div> | ||
<ExampleComponent text='Modern React component module' /> | ||
<div className="App"> | ||
<div> | ||
<label className="ScrollToLabel">Scroll to:</label> | ||
<button onClick={this.scrollToStart500}>500 (start)</button> | ||
<button onClick={this.scrollToEnd200}>200 (end)</button> | ||
<button onClick={this.scrollToCenter300}>300 (center)</button> | ||
<button onClick={this.scrollToAuto400}>400 (auto)</button> | ||
</div> | ||
|
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<div className="Block"> | ||
<div className="BlockHeader"> | ||
Vertical <code>List</code> | ||
</div> | ||
<div className="BlockBody"> | ||
<div className="BlockDemo"> | ||
<List {...DEFAULT_LIST_PROPS} ref={this.verticalList} /> | ||
</div> | ||
<div className="BlockCode"> | ||
<CodeMirror | ||
options={{ mode: "jsx" }} | ||
value={`<List | ||
cellSize={35} | ||
count={1000} | ||
height={150} | ||
width="100%" | ||
> | ||
{({ key, index, style }) => ( | ||
<div key={key} style={style}> | ||
{/* Render item at index ... */} | ||
</div> | ||
)} | ||
</List>`} | ||
/> | ||
</div> | ||
</div> | ||
</div> | ||
|
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<div className="Block"> | ||
<div className="BlockHeader"> | ||
Horizontal <code>List</code> | ||
</div> | ||
<div className="BlockBody"> | ||
<div className="BlockDemo"> | ||
<List | ||
{...DEFAULT_LIST_PROPS} | ||
cellSize={100} | ||
direction="horizontal" | ||
ref={this.horizontalList} | ||
/> | ||
</div> | ||
<div className="BlockCode"> | ||
<CodeMirror | ||
options={{ mode: "jsx" }} | ||
value={`<List | ||
cellSize={35} | ||
count={1000} | ||
direction="horizontal" | ||
height={150} | ||
width={300} | ||
> | ||
{({ key, index, style }) => ( | ||
<div key={key} style={style}> | ||
{/* Render item at index ... */} | ||
</div> | ||
)} | ||
</List>`} | ||
/> | ||
</div> | ||
</div> | ||
</div> | ||
|
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<div className="Block"> | ||
<div className="BlockHeader"> | ||
<code>List</code> with <code>isScrolling</code> indicator | ||
</div> | ||
<div className="BlockBody"> | ||
<div className="BlockDemo"> | ||
<List | ||
{...DEFAULT_LIST_PROPS} | ||
useIsScrolling | ||
ref={this.scrollingList} | ||
/> | ||
</div> | ||
<div className="BlockCode"> | ||
<CodeMirror | ||
options={{ mode: "jsx" }} | ||
value={`<List | ||
cellSize={35} | ||
count={1000} | ||
useIsScrolling | ||
height={150} | ||
width="100%" | ||
> | ||
{({ key, index, isScrolling, style }) => ( | ||
<div key={key} style={style}> | ||
{/* Render item at index ... */} | ||
{isScrolling && ( | ||
{/* Render scrolling indicator ... */} | ||
)} | ||
</div> | ||
)} | ||
</List>`} | ||
/> | ||
</div> | ||
</div> | ||
</div> | ||
|
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<div className="Block"> | ||
<div className="BlockHeader"> | ||
<code>Grid</code> | ||
</div> | ||
<div className="BlockBody"> | ||
<div className="BlockDemo"> | ||
<Grid {...DEFAULT_GRID_PROPS} ref={this.grid}> | ||
{props => <GridCell {...props} />} | ||
</Grid> | ||
</div> | ||
<div className="BlockCode"> | ||
<CodeMirror | ||
options={{ mode: "jsx" }} | ||
value={`<Grid | ||
columnCount={1000} | ||
columnWidth={100} | ||
height={150} | ||
rowCount={1000} | ||
rowHeight={35} | ||
width={300} | ||
> | ||
{({ columnIndex, key, rowIndex, style }) => ( | ||
<div key={key} style={style}> | ||
{/* Render item at rowIndex and columnIndex ... */} | ||
</div> | ||
)} | ||
</Grid>`} | ||
/> | ||
</div> | ||
</div> | ||
</div> | ||
</div> | ||
) | ||
); | ||
} | ||
|
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scrollToStart500 = () => { | ||
this.grid.current.scrollToCell({ | ||
columnIndex: 500, | ||
rowIndex: 500, | ||
align: "start" | ||
}); | ||
this.horizontalList.current.scrollToRow(500, "start"); | ||
this.verticalList.current.scrollToRow(500, "start"); | ||
this.scrollingList.current.scrollToRow(500, "start"); | ||
}; | ||
|
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scrollToEnd200 = () => { | ||
this.grid.current.scrollToCell({ | ||
columnIndex: 200, | ||
rowIndex: 200, | ||
align: "end" | ||
}); | ||
this.horizontalList.current.scrollToRow(200, "end"); | ||
this.verticalList.current.scrollToRow(200, "end"); | ||
this.scrollingList.current.scrollToRow(200, "end"); | ||
}; | ||
|
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scrollToCenter300 = () => { | ||
this.grid.current.scrollToCell({ | ||
columnIndex: 300, | ||
rowIndex: 300, | ||
align: "center" | ||
}); | ||
this.horizontalList.current.scrollToRow(300, "center"); | ||
this.verticalList.current.scrollToRow(300, "center"); | ||
this.scrollingList.current.scrollToRow(300, "center"); | ||
}; | ||
|
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scrollToAuto400 = () => { | ||
this.grid.current.scrollToCell({ | ||
columnIndex: 400, | ||
rowIndex: 400, | ||
align: "auto" | ||
}); | ||
this.horizontalList.current.scrollToRow(400, "auto"); | ||
this.verticalList.current.scrollToRow(400, "auto"); | ||
this.scrollingList.current.scrollToRow(400, "auto"); | ||
}; | ||
} | ||
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class GridCell extends React.PureComponent { | ||
_renderCounter: number = 0; | ||
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render() { | ||
const { columnIndex, rowIndex, style } = this.props; | ||
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this._renderCounter++; | ||
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return ( | ||
<div | ||
className={ | ||
rowIndex % 2 | ||
? columnIndex % 2 | ||
? "ListItemOdd" | ||
: "ListItemEven" | ||
: columnIndex % 2 | ||
? "ListItemEven" | ||
: "ListItemOdd" | ||
} | ||
style={style} | ||
> | ||
<span> | ||
r:{rowIndex}, c:{columnIndex} | ||
</span> | ||
<small className="ListItemRernCount">[{this._renderCounter}]</small> | ||
</div> | ||
); | ||
} | ||
} | ||
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class ListCell extends React.PureComponent { | ||
_renderCounter: number = 0; | ||
|
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render() { | ||
const { index, isScrolling, style } = this.props; | ||
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this._renderCounter++; | ||
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return ( | ||
<div className={index % 2 ? "ListItemOdd" : "ListItemEven"} style={style}> | ||
<span>Cell {index}</span> | ||
<span>{isScrolling ? "(scrolling)" : ""}</span> | ||
<small className="ListItemRernCount">[{this._renderCounter}]</small> | ||
</div> | ||
); | ||
} | ||
} |
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|
@@ -2,4 +2,5 @@ body { | |
margin: 0; | ||
padding: 0; | ||
font-family: sans-serif; | ||
font-size: 11px; | ||
} |
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