Obtain the source code of Electron applications

Electron app decompiling

# Open terminal and install asar node module globally

$ npm install -g asar

# Go into the app’s directory, in our case it’s Slack

$ cd /Applications/Slack.app/Contents/Resources

# Create a directory to paste the content of app

$ mkdir example-sourcecode

# Unpack the app.asar file in the above directory using asar

$ asar extract app.asar example-sourcecode 

# Boom cd into it and see the source code of the app