command-line.md

Class: CommandLine

Manipulate the command line arguments for your app that Chromium reads

Process: Main
This class is not exported from the 'electron' module. It is only available as a return value of other methods in the Electron API.

The following example shows how to check if the --disable-gpu flag is set.

const { app } = require('electron')
app.commandLine.hasSwitch('disable-gpu')

For more information on what kinds of flags and switches you can use, check out the Command Line Switches document.

Instance Methods

commandLine.appendSwitch(switch[, value])

• switch string - A command-line switch, without the leading --
• value string (optional) - A value for the given switch

Append a switch (with optional value) to Chromium's command line.

Note: This will not affect process.argv. The intended usage of this function is to control Chromium's behavior.

commandLine.appendArgument(value)

• value string - The argument to append to the command line

Append an argument to Chromium's command line. The argument will be quoted correctly. Switches will precede arguments regardless of appending order.

If you're appending an argument like --switch=value, consider using appendSwitch('switch', 'value') instead.

Note: This will not affect process.argv. The intended usage of this function is to control Chromium's behavior.

commandLine.hasSwitch(switch)

• switch string - A command-line switch

Returns boolean - Whether the command-line switch is present.

commandLine.getSwitchValue(switch)

• switch string - A command-line switch

Returns string - The command-line switch value.

Note: When the switch is not present or has no value, it returns empty string.

commandLine.removeSwitch(switch)

• switch string - A command-line switch

Removes the specified switch from Chromium's command line.

Note: This will not affect process.argv. The intended usage of this function is to control Chromium's behavior.