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main.js
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main.js
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const path = require("path");
const os = require("os");
const fs = require("fs");
const resizeImg = require('resize-img')
const { app, BrowserWindow, Menu, ipcMain, shell } = require("electron");
process.env.NODE_ENV = 'production';
const isDev = process.env.NODE_ENV !== 'production'
const isMac = process.platform === 'darwin';
let mainWindow;
// Create the main window
function createMainWindow() {
mainWindow = new BrowserWindow({
title: "Image Resizer",
width: isDev ? 1000 : 500,
height: 600,
webPreferences: {
contextIsolation: true,
nodeIntegration: true,
preload: path.join(__dirname, 'preload.js')
}
});
// Open devtools if in dev env
if (isDev) {
mainWindow.webContents.openDevTools();
}
mainWindow.loadFile(path.join(__dirname, './renderer/index.html'));
}
// Create about window
function createAboutWindow() {
const aboutWindow = new BrowserWindow({
title: "About Image Resizer",
width: 300,
height: 300
});
aboutWindow.loadFile(path.join(__dirname, './renderer/about.html'));
}
// App is ready
app.whenReady().then(() => {
createMainWindow();
// Implement menu
const mainMenu = Menu.buildFromTemplate(menu);
Menu.setApplicationMenu(mainMenu);
// Remove mainWindow from memory on close
mainWindow.on('closed', () => (mainWindow = null));
app.on('activate', () => {
if (BrowserWindow.getAllWindows().length === 0) {
createMainWindow()
}
})
});
// Meny template
const menu = [
...(isMac
? [
{
label: app.name,
submenu: [
{
label: 'About',
click: createAboutWindow
},
],
},
]
: []),
{
role: 'fileMenu'
},
...(!isMac
? [
{
label: 'Help',
submenu: [
{
label: 'About',
click: createAboutWindow
},
],
},
]
: [])
];
// Respond to ipcRenderer resize
ipcMain.on('image:resize', (e, options) => {
options.dest = path.join(os.homedir(), 'imageresizer')
resizeImage(options)
})
// Resize the image
async function resizeImage({ imgPath, width, height, dest }) {
try {
const newPath = await resizeImg(fs.readFileSync(imgPath), {
width: +width,
height: +height
})
// Create filename
const filename = path.basename(imgPath)
// Create dest folder if not exists
if (!fs.existsSync(dest)) {
fs.mkdirSync(dest);
}
// Write file to dest folder
fs.writeFileSync(path.join(dest, filename), newPath);
// Send success message to renderer
mainWindow.webContents.send('image:done')
// Open dest folder after file write
shell.openPath(dest);
} catch (error) {
console.log(error)
}
}
app.on('window-all-closed', () => {
if (!isMac) {
app.quit()
}
});