An issue for a problem, which came up in this issue: #1211 (comment)

Here is my project: intersect.zip

@DanTup Yes, at least sort of.

I wanted to start the watch task as soon as I open VS Code. So I did the following:

1. STRG + SHIFT + P
2. Typed: "Tasks Configure Task" ENTER
3. Selected, the Task I wanted to configure
4. Modified generated task.json to the following (only added "runOptions"):

Now there is a warning:

Incorrect type. Expected "object".

And when I restart Visual Studio I get an error notification and following output:

Error: The pub task detection didn't contribute a task for the following configuration:
{
"type": "pub",
"command": "watch",
"problemMatcher": [
"dart-pub-build_runner"
],
"runOptions": {
"runOn": "folderOpen"
}
}
The task will be ignored.

Similar to this one:
dart-lang/build#1025 (comment)

Any idea?