This extension will list all function/method names in a code file in CSV using vscode's built-in symbol processing capabilities.
Usage:
Get function/method names of one specific file:
Select a file to retrieve function names for
Run commands: ctrl + shift + p -> List Function Names
Get function/method names of a folder
Right click a folder and select List All Function Names in Folder to get a combined output of all of the files in that folder.