You can limit tabs with workbench.editor.limit.enabled setting without this extension.

• https://code.visualstudio.com/updates/v1_42#_limit-the-number-of-open-editors

Inspired by Atom's zentabs package.

This is very initial version. Lot of features in Atom's zentabs are not implemented.

NOTE In order to run this extension correctly you should set the following settings

"workbench.editor.enablePreviewFromQuickOpen": false,
"workbench.editor.enablePreview": false

• zentabs.maximumOpenedTabs

  • the maximum amount of tabs that will be keep open
  • Default: 3

• zentabs.applyLimitFor

  • apply the maximum amount of tabs for window|editorGroup
  • Default: window

• zentabs.switchWithCurrentTab

  • once limit of maximum tab is reached, switch the newly opened file with current active tab instead of the older one
  • Default: false