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@jamiebuilds
Last active June 14, 2023 17:10
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Save Dialog
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<!-- https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP -->
<meta http-equiv="Content-Security-Policy" content="default-src 'self'; script-src 'self'">
<title>Hello World!</title>
</head>
<body>
<h1>Hello World!</h1>
We are using Node.js <span id="node-version"></span>,
Chromium <span id="chrome-version"></span>,
and Electron <span id="electron-version"></span>.
<!-- You can also require other files to run in this process -->
<script src="./renderer.js"></script>
</body>
</html>
// Modules to control application life and create native browser window
const { app, dialog, BrowserWindow } = require('electron')
const path = require('path')
const fs = require('fs/promises')
const pathCompleteExtname = require('path-complete-extname')
async function createWindow() {
// Create the browser window.
const mainWindow = new BrowserWindow({
width: 800,
height: 600,
webPreferences: {
preload: path.join(__dirname, 'preload.js')
}
})
// and load the index.html of the app.
mainWindow.loadFile('index.html')
// Open the DevTools.
// mainWindow.webContents.openDevTools()
const defaultPath = "file.html.md"
const defaultExt = pathCompleteExtname(defaultPath)
const defaultBase = path.basename(defaultPath, defaultExt)
console.log({ defaultExt, defaultBase })
const extension = defaultExt.replace(/^\./, "")
const { canceled, filePath: selectedFilePath } = await dialog.showSaveDialog({
defaultPath: defaultBase,
filters: [{ name: `${defaultExt}`, extensions: [extension] }]
})
if (canceled) {
return
}
const finalDirname = path.dirname(selectedFilePath)
const finalBasename = path.basename(selectedFilePath, defaultExt)
const selectedExtname = pathCompleteExtname(selectedFilePath)
const finalExtname = selectedExtname === "" ? defaultExt : selectedExtname
const finalFilePath = path.join(finalDirname, finalBasename + finalExtname)
console.log({
selectedFilePath,
defaultExt,
finalDirname,
finalBasename,
selectedExtname,
finalExtname,
})
await fs.writeFile(finalFilePath, `updated: ${new Date().toISOString()}`)
}
// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.whenReady().then(async () => {
await createWindow()
app.on('activate', async function () {
// On macOS it's common to re-create a window in the app when the
// dock icon is clicked and there are no other windows open.
if (BrowserWindow.getAllWindows().length === 0) {
await createWindow()
}
})
})
// Quit when all windows are closed, except on macOS. There, it's common
// for applications and their menu bar to stay active until the user quits
// explicitly with Cmd + Q.
app.on('window-all-closed', function () {
if (process.platform !== 'darwin') app.quit()
})
// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and require them here.
{
"name": "dangerous-hill-rain-7reyd",
"productName": "dangerous-hill-rain-7reyd",
"description": "My Electron application description",
"keywords": [],
"main": "./main.js",
"version": "1.0.0",
"author": "Jamie",
"scripts": {
"start": "electron ."
},
"dependencies": {
"path-complete-extname": "1.0.0"
},
"devDependencies": {
"electron": "25.0.1"
}
}
/**
* The preload script runs before. It has access to web APIs
* as well as Electron's renderer process modules and some
* polyfilled Node.js functions.
*
* https://www.electronjs.org/docs/latest/tutorial/sandbox
*/
window.addEventListener('DOMContentLoaded', () => {
const replaceText = (selector, text) => {
const element = document.getElementById(selector)
if (element) element.innerText = text
}
for (const type of ['chrome', 'node', 'electron']) {
replaceText(`${type}-version`, process.versions[type])
}
})
/**
* This file is loaded via the <script> tag in the index.html file and will
* be executed in the renderer process for that window. No Node.js APIs are
* available in this process because `nodeIntegration` is turned off and
* `contextIsolation` is turned on. Use the contextBridge API in `preload.js`
* to expose Node.js functionality from the main process.
*/
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