Listener for new file created in workspace in vscode extension api

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I was looking through the vscode api, and I was wondering if there exists a type of listener event that sees that a file was created in the current workspace folder.

Thank you!

vscode-extensions visual-studio-code
1 Answers

You can use a FileSystemWatcher for this, for instance if you wanted to know about the creation of .txt files in the current workspace:

let folders = vscode.workspace.workspaceFolders;
if (folders) {
    let watcher = vscode.workspace.createFileSystemWatcher(
        new vscode.RelativePattern(folders[0], "*.txt"));
    watcher.onDidCreate(uri => console.log(`created ${uri}`));
}
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