Only view the directories or files you care about. VSCode Marketplace Link

1. add directories or files' full path to the .vscode/simple-explorer.json
2. reload the extension
3. the directories or files will be shown in SIMPLE EXPLORER activity bar

1. you can right click on directories or files, to add (添加到 Simeple Explorer) or remove (从 Simple Explorer 移除) item from list.
2. reload the extension to make it work.

I added some console.log for debugging purposes, you can click Help => Toggle Developer Tools in the VSCode. you will see something like this:

the log means, the config is /Users/songjp/fe/mime/learn-lerna/node_modules/babel-core,The file that is currently being looped is /Users/songjp/fe/mime/learn-lerna/package.json, so /Users/songjp/fe/mime/learn-lerna/package.json wont be shown.