Sublime Text 3 - Auto-close tags in JSX and TSX - Include this in your .sublime-keymap

Default (OSX).sublime-keymap

[
  { "keys": ["/"], "command": "close_tag", "args": { "insert_slash": true }, "context":
    [
      { "key": "selector", "operator": "equal", "operand": "(text.html, text.xml, meta.jsx.js, meta.jsx.children.tsx) - string - comment", "match_all": true },
      { "key": "preceding_text", "operator": "regex_match", "operand": ".*<$", "match_all": true },
      { "key": "setting.auto_close_tags" }
    ]
  }
]

@Saggitarie It is 4 years old and I’ve long since left sublime behind in favor of vscode. Best of luck though!