Electron multiple instances. This example uses TypeScript.

Electron multiple instances. js. An example of restarting the current instance immediately and adding a new command line argument to the new instance: Aug 13, 2015 · If we start multipe instances of an Electron app, they will have problems with localStorage: One instance can not see the change to the localStorage made by another one during its lifetime. This example uses TypeScript. These apps usually have a single window, but here's how to support multiple windows in Electron. I am trying to create a sticky note app in which there is a plus window which is suppose to creat Summary When creating an Electron application with multiple windows, we can no longer hard-code a window for the main process to send data to. Jan 30, 2024 · Closed last year. i have an electron node application which i can open multiple instances in windows but not in MAC OS , how can i achieve the same functionality in mac also ? Aug 4, 2015 · Since I am running multiple Electron apps, the single instance mechanism cannot be enforced, so I did the following to ensure that only one instance of the "root" app and each child app will run at a given time - How to prevent multiple instances of a window in Electron? Asked 5 years, 11 months ago Modified 1 year, 11 months ago Viewed 6k times May 12, 2023 · The default way of doing it The common way of dealing with multi-window Electron apps is simply creating multiple windows by calling a new BrowserWindow and then loading proper parts of the app there and managing those windows on the Electron side. You would need to adapt it to your specific needs and application structure. Jan 9, 2022 · In most cases, you can create multiple windows to satisfy most of your application’s simulation needs. When app. codenextgen. Then, because the first instance was listening to second-instance, the window of that first instance is focused. This guide will expand on the concepts applied in the tutorial. Jul 23, 2025 · Electron provides this functionality of opening multiple windows based on button click or click on any link. Feb 2, 2022 · I'm developing a chat application with Electron and would like to run two instances of the same Electron application to run concurrently for debugging purposes. Managing multiple windows in an Electron application adds complexity but is necessary for many applications. Here's how to handle multi-window scenarios, addressing key aspects like window creation, communication, and lifecycle management. relaunch is called multiple times, multiple instances will be started after the current instance exits. Dec 24, 2023 · Prevent electron from opening multiple app instances Asked 1 year, 8 months ago Modified 1 year, 8 months ago Viewed 535 times www. For understanding, let's say you develop one application, and you want to open the Settings page in another window. Electron inherits its multi-process architecture from Chromium, which makes the framework architecturally very similar to a modern web browser. Discover how to effectively manage `multiple instances` of your Electron application for improved functionality and user experience. This is the official recommendation of electron, and an example of a solution to keep the application in singleton mode is given. Jan 7, 2022 · Electron is based on Chromium which is not designed to work with multiple instances using the same userData directory at the same time. . com Dec 27, 2023 · I'm using the approach recommended in the official Electron documentation to prevent multiple instances of my app, but I'm encountering a problem where a new app process appears and remains in the system's process list as a ghost, consuming resources Nov 7, 2016 · I have searched everywhere, but I couldn't find how to create multiple instance of my electron app. I used Electron Forge to instantiate Jul 8, 2021 · Electron allows you to create desktop apps using Node. Mar 10, 2016 · If the instance fails to acquire the lock, it means that it's a duplicate instance which, in this case, we want to close. We can use Electron’s remote module to ask the window in the renderer process for a reference to itself and send that reference along when communicating with the main process. ---This video is based on Jul 21, 2025 · Supporting multiple windows is doable, but depending on your real-time sync requirements can be quite problematic. Things like localStorage, IndexedDb, etc, don't work or fail. 5zhah9oc rwle5g mn8nhi txc3 azd oazc5 rzklb biuhl gy0e qabr