Replace :xref-backend setting with :jump

Which takes :definitions, :references, :documentation and :xref-backend.
Each accepts a function that will jump to definitions, references, and
documentation respectively.

If a major-mode has an :xref-backend, you don't need :definitions or
:references.

modules/lang/emacs-lisp/config.el

@@ -7,6 +7,7 @@
   :config
   (set! :repl 'emacs-lisp-mode #'+emacs-lisp/repl)
   (set! :eval 'emacs-lisp-mode #'+emacs-lisp-eval)
+  (set! :jump 'emacs-lisp-mode :documentation #'describe-symbol)
   (set! :rotate 'emacs-lisp-mode
         :symbols '(("t" "nil")
                    ("let" "let*")

modules/lang/javascript/config.el

@@ -11,6 +11,10 @@
   (add-hook! 'js2-mode-hook
     #'(flycheck-mode highlight-indentation-mode rainbow-delimiters-mode))
 
+  (set! :repl 'js2-mode '+javascript/repl)
+  (set! :electric 'js2-mode :chars '(?\} ?\) ?.))
+  (set! :jump 'js2-mode :xref-backend #'xref-js2-xref-backend)
+
   ;; Conform switch-case indentation to editorconfig's config
   (set! :editorconfig :add '(js2-mode js2-basic-offset js-switch-indent-offset))
 
@@ -23,10 +27,6 @@
         (setq-local flycheck-javascript-eslint-executable eslint))))
   (add-hook 'flycheck-mode-hook #'+javascript|init-flycheck-elint)
 
-  (set! :repl 'js2-mode '+javascript/repl)
-  (set! :electric 'js2-mode :chars '(?\} ?\) ?.))
-  (set! :xref-backend 'js2-mode 'xref-js2-xref-backend)
-
   (sp-with-modes '(js2-mode rjsx-mode)
     (sp-local-pair "/* " " */" :post-handlers '(("| " "SPC"))))
 

modules/lang/typescript/config.el

@@ -26,10 +26,7 @@
       (flycheck-mode +1)
       (eldoc-mode +1)))
   (add-hook! (typescript-mode web-mode) #'+typescript|tide-setup)
-
-  (map! :map typescript-mode-map
-        :m "gd" #'tide-jump-to-definition
-        :localleader
+  (map! :localleader
         :m "fh" #'tide-documentation-at-point))
 
 
@@ -37,6 +34,11 @@
   :after typescript-mode
   :config
   (set! :company-backend 'typescript-mode '(company-tide))
+  (set! :jump 'typescript-mode
+    :definition #'tide-jump-to-definition
+    :references #'tide-references
+    :documentation #'tide-documentation-at-point)
+
   (setq tide-format-options
         '(:insertSpaceAfterFunctionKeywordForAnonymousFunctions t
           :placeOpenBraceOnNewLineForFunctions nil))