How to start debugging session without launch.json?

[aspizu]

I'm developing a debugging extension for my programming language. I don't want users to need to create a .vscode/launch.json file. I would like the debugging session to start immediately on hitting F5.

I can manually trigger the debugging session by:

await vscode.debug.startDebugging(undefined, {
    name: "my-debug",
    type: "my-debug",
    request: "launch",
})

It seems like this is supported as discussed in microsoft/vscode#285, but the provided example links are rotten. I couldn't find the commits which have the examples.

The "startSessionCommand" property is not documented? (Intellisense does not show up for that property in the package.json file)

I tried implementing startSessionCommand based on ramya-rao-a/vscode-go@e7c8273. But that did not work at all.

[tamuratak]

startSessionCommand is deprecated. See microsoft/vscode#33791 and https://code.visualstudio.com/updates/v1_17

You can refer to https://github.com/microsoft/vscode-mock-debug:

This is a starter sample for developing VS Code debug adapters.