Replace TERN with LSP

It has "slightly" more predictable future

.gitignore

@@ -10,3 +10,4 @@ eshell/history
 tramp
 url/*
 transient/*
+.lsp-session-*

10themes.el

@@ -20,7 +20,7 @@
 (if (display-graphic-p)
     (progn
       (sml/apply-theme 'respectful)
-      (enable-theme 'base16-zenburn))
+      (enable-theme 'base16-mocha))
   (progn
     (enable-theme 'manoj-dark)))
 

20web.el

@@ -2,13 +2,13 @@
 (add-to-list 'auto-mode-alist '("\\.js\\'" . js2-mode))
 (add-to-list 'auto-mode-alist '("\\.json\\'" . js2-mode))
 
-;; Tern is used for completion
+;; Language Server Protocol is used for completion
-(add-hook 'js2-mode-hook 'tern-mode)
+(add-hook 'js2-mode-hook 'lsp)
 
 (defun activate-js2-mode ()
   "Company list override."
   (add-to-list (make-local-variable 'company-backends)
-               '(company-tern company-yasnippet)))
+               '(company-yasnippet company-lsp)))
 
 (add-hook 'js2-mode-hook 'activate-js2-mode)
 

init.el

@@ -40,6 +40,8 @@
                      flycheck ;; Compilation framework
                      visual-regexp ;; Regexp replacement with preview in
                      ;; current buffer.
+
+                     ;; Language server protocol
                      lsp-mode
                      company-lsp
                      lsp-ui
@@ -77,8 +79,6 @@
                      web-mode
                      company-web
                      js2-mode
-                     tern
-                     company-tern
 
                      ;; Clojure
                      clojure-mode