"g u" key binding for Emacs

doom/config.el

@@ -121,3 +121,7 @@
   (define-key company-active-map (kbd "<return>") nil)
   (define-key company-active-map (kbd "RET") nil)
   (define-key company-active-map (kbd "C-SPC") #'company-complete-selection))
+
+;; "g u" in normal mode finds references, using LSP if available
+(map! :n "g u" #'xref-find-references)
+(map! :mode lsp-mode :n "g u" #'lsp-ui-peek-find-references)

doom/init.el

@@ -80,7 +80,7 @@
        (eval +overlay)     ; run code, run (also, repls)
        ;;gist              ; interacting with github gists
        lookup              ; navigate your code and its documentation
-       lsp
+       (lsp +peek)
        ;;macos             ; MacOS-specific commands
        magit             ; a git porcelain for Emacs
        ;;make              ; run make tasks from Emacs