What methods can be used to broaden configuration variables within VSCode using an extension?

I attempted to develop an extension for vscode that requires reading the pasteImage.parth variable from the ./vscode/settings.json file

{
  "pasteImage.path": "${workspaceRoot}/assets/images"
}

In my attempt to retrieve the variable using 

vscode.workspace.getConfiguration()
function, I used the following code:

let folderPathFromConfig = vscode.workspace.getConfiguration('pasteImage')['path'];

However, it returned ${workspaceRoot}/assets/images instead of resolving ${workspaceRoot} to the actual path of the workspace root. How can I achieve this?

Appreciate any guidance on this matter!

javascriptvisual-studio-code

Answer №1

To implement this feature, you will need to customize the AbstractVariableResolverService in a similar manner as done in the debug host.

Unfortunately, importing these functionalities within your extension is not possible.

The actual implementation can be easily understood, but it raises questions about the rationale behind certain decisions.

IProcessEnvironment simply serves as an interface for the built-in process.env property.

In my own extensions, I have addressed this issue like shown here.

Answer №2

As outlined in the Visual Studio Code API documentation, you have the option to:

let mainWorkspace = vscode.workspace.workspaceFolders[0];

This allows you to access the root WorkspaceFolder. To obtain the absolute path of a WorkspaceFolder, simply utilize its Uri:

let mainWorkspacePath = mainWorkspace.uri.path;

Next, you can replace the "${mainWorkspace}" substring within folderPathFromConfig. In summary:

let folderPathFromConfig = vscode.workspace.getConfiguration('pasteImage')['path'];

if (vscode.workspace.workspaceFolders !== undefined) { // will be undefined if no folder is currently open
    let mainWorkspace = vscode.workspace.workspaceFolders[0];
    folderPathFromConfig = folderPathFromConfig.replace('${mainWorkspace}', mainWorkspace.uri.path);
}

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