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main.ts
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main.ts
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import * as path from 'path';
import * as url from 'url';
import { app, BrowserWindow } from 'electron';
// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let win: BrowserWindow | null;
const mode = process.env.NODE_ENV;
function reloadOnChange(win: BrowserWindow) {
if (mode !== 'development') return { close: () => {} };
const watcher = require('chokidar').watch(path.join(__dirname, '**'), { ignoreInitial: true });
watcher.on('change', () => {
win.reload();
});
return watcher;
}
function launch() {
win = new BrowserWindow({
width: 800,
height: 600,
minWidth: 600,
backgroundColor: 'white',
titleBarStyle: 'hidden',
webPreferences: {
// Need `contextIslation` and `worldSafeExecuteJavaScript` both set
// to silence recent `webFrame.executeJavaScript` warnings.
contextIsolation: true,
worldSafeExecuteJavaScript: true
},
});
win.loadURL(
url.format({
pathname: path.join(__dirname, '../static/index.html'),
protocol: 'file:',
slashes: true
})
);
const watcher = reloadOnChange(win);
win.on('closed', function() {
win = null;
watcher.close();
});
}
// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.on('ready', launch);
// Quit when all windows are closed.
app.on('window-all-closed', function() {
// On OS X it is common for applications and their menu bar
// to stay active until the user quits explicitly with Cmd + Q
if (process.platform !== 'darwin') {
app.quit();
}
});
app.on('activate', function() {
// On OS X it's common to re-create a window in the app when the
// dock icon is clicked and there are no other windows open.
if (win === null) {
launch();
}
});