Use the function reference in a custom name
You can define a custom name with the content as the function name. Then you can use it in a formula.
Use the function reference as the LAMBDA functions parameter
You can use the function name as the LAMBDA functions parameter where lambda functions are accepted.
Use the function reference in the LET name_value
You can define the name_value as a function reference, and then use it in the LET function
Reference the custom function
You can define the custom functions and use them for the above use cases.
import * as React from 'react';
import { createRoot } from 'react-dom/client';
import './styles.css';
import { AppFunc } from './app-func';
// import { App } from './app-class';
// 1. Functional Component sample
createRoot(document.getElementById('app')).render(<AppFunc />);
// 2. Class Component sample
// createRoot(document.getElementById('app')).render(<App />);
import * as React from 'react';
import GC from '@mescius/spread-sheets';
import '@mescius/spread-sheets-shapes';
import '@mescius/spread-sheets-charts';
import { SpreadSheets, Worksheet } from '@mescius/spread-sheets-react';
export function AppFunc() {
const initSpread = (spread) => {
var sd = data;
if (sd.length > 0) {
if (!spread) {
return;
}
spread.suspendPaint();
spread.fromJSON(sd[0]);
spread.calculate();
spread.resumePaint();
}
};
return <div class="sample-tutorial">
<div class="sample-spreadsheets">
<SpreadSheets workbookInitialized={initSpread}>
<Worksheet>
</Worksheet>
</SpreadSheets>
</div>
</div>;
}
import * as React from 'react';
import GC from '@mescius/spread-sheets';
import '@mescius/spread-sheets-shapes';
import '@mescius/spread-sheets-charts';
import { SpreadSheets, Worksheet } from '@mescius/spread-sheets-react';
const Component = React.Component;
export class App extends Component {
constructor(props) {
super(props);
}
render() {
return <div class="sample-tutorial">
<div class="sample-spreadsheets">
<SpreadSheets workbookInitialized={spread => this.initSpread(spread)}>
<Worksheet>
</Worksheet>
</SpreadSheets>
</div>
</div>;
}
initSpread(spread) {
var sd = data;
if (sd.length > 0) {
if (!spread) {
return;
}
spread.suspendPaint();
spread.fromJSON(sd[0]);
spread.calculate();
spread.resumePaint();
}
}
}
<!doctype html>
<html style="height:100%;font-size:14px;">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="stylesheet" type="text/css" href="$DEMOROOT$/en/react/node_modules/@mescius/spread-sheets/styles/gc.spread.sheets.excel2013white.css">
<!-- SystemJS -->
<script src="$DEMOROOT$/en/react/node_modules/systemjs/dist/system.src.js"></script>
<script src="$DEMOROOT$/spread/source/data/eta-lambda.js" type="text/javascript"></script>
<script src="systemjs.config.js"></script>
<script>
System.import('$DEMOROOT$/en/lib/react/license.js').then(function () {
System.import('./src/app');
});
</script>
</head>
<body>
<div id="app"></div>
</body>
</html>
.sample-tutorial {
position: relative;
height: 100%;
overflow: hidden;
}
.sample-spreadsheets {
width: 100%;
height: 100%;
overflow: hidden;
float: left;
}
body {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
#app {
height: 100%;
}
(function (global) {
System.config({
transpiler: 'plugin-babel',
babelOptions: {
es2015: true,
react: true
},
meta: {
'*.css': { loader: 'css' }
},
paths: {
// paths serve as alias
'npm:': 'node_modules/'
},
// map tells the System loader where to look for things
map: {
'@mescius/spread-sheets': 'npm:@mescius/spread-sheets/index.js',
'@mescius/spread-sheets-react': 'npm:@mescius/spread-sheets-react/index.js',
'@mescius/spread-sheets-shapes': 'npm:@mescius/spread-sheets-shapes/index.js',
'@mescius/spread-sheets-charts': 'npm:@mescius/spread-sheets-charts/index.js',
'@grapecity/jsob-test-dependency-package/react-components': 'npm:@grapecity/jsob-test-dependency-package/react-components/index.js',
'react': 'npm:react/cjs/react.production.js',
'react-dom': 'npm:react-dom/cjs/react-dom.production.js',
'react-dom/client': 'npm:react-dom/cjs/react-dom-client.production.js',
'scheduler': 'npm:scheduler/cjs/scheduler.production.js',
'css': 'npm:systemjs-plugin-css/css.js',
'plugin-babel': 'npm:systemjs-plugin-babel/plugin-babel.js',
'systemjs-babel-build':'npm:systemjs-plugin-babel/systemjs-babel-browser.js'
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
src: {
defaultExtension: 'jsx'
},
"node_modules": {
defaultExtension: 'js'
},
}
});
})(this);
