Would you expand on tasks.json? Where would I learn more besides docs, are there any specific source files? Does it support passing variables like the current file? Would you mind sharing your tasks.json?

Edit: it looks like an issue about tasks.json presents some good examples: https://github.com/Microsoft/vscode/issues/981

Edit2: and here's the information about variables: https://code.visualstudio.com/docs/editor/tasks#_variable-su...