Merge branch 'jamestthompson3-develop' into develop

* jamestthompson3-develop:
  lang/javascript: remove mention of tern in README
  lang/javascript: remove company-tide package (doesn't exist)
  lang/javascript: conform to naming conventions; refactor tide config
  [*] Removes tern in favor of tide, adds node modules to path to execute things like flow, prettier, etc

modules/lang/javascript/README.org

@@ -2,7 +2,7 @@
 
 This module adds Javascript support.
 
-+ Code completion (tern)
++ Code completion (tide)
 + REPL support (nodejs-repl)
 + Refactoring commands (js2-refactor)
 + Syntax checking (flycheck)
@@ -11,11 +11,10 @@ This module adds Javascript support.
 + Jump-to-definitions and references support (xref)
 
 * Table of Contents :TOC:
-- [[#install][Install]]
-  - [[#node--npm][Node & NPM]]
-  - [[#dependencies][Dependencies]]
-- [[#appendix][Appendix]]
-  - [[#commands][Commands]]
+- [[Install][Install]]
+  - [[Node & NPM][Node & NPM]]
+- [[Appendix][Appendix]]
+  - [[Commands][Commands]]
 
 * Install
 ** Node & NPM
@@ -31,13 +30,6 @@ brew install node
 sudo pacman --needed --noconfirm -S nodejs npm
 #+END_SRC
 
-** Dependencies
-This module optionally requires ~tern~ for code completion.
-
-#+BEGIN_SRC sh
-npm -g install tern
-#+END_SRC
-
 * Appendix
 ** Commands
 | command                          | key / ex command | description                                                |

modules/lang/javascript/autoload.el

@@ -74,3 +74,19 @@ Run this for any buffer you want to skewer."
       (if skewer-css-mode (skewer-css-mode -1))
       (if skewer-html-mode (skewer-html-mode -1)))))
 
+;;;###autoload
+(defun +javascript|add-node-modules-path ()
+  "Search the current buffer's parent directories for `node_modules/.bin`.
+If it's found, then add it to the `exec-path'."
+  (interactive)
+  (if-let* ((root (locate-dominating-file
+                   (or (buffer-file-name) default-directory)
+                   "node_modules"))
+            (path (expand-file-name "node_modules/.bin/" root)))
+      (progn
+        (make-local-variable 'exec-path)
+        (cl-pushnew path exec-path :test #'string=)
+        (when doom-debug-mode
+          (message "Added %s to exec-path" path)))
+    (when doom-debug-mode
+      (message "node_modules not found in %s" root))))

modules/lang/javascript/config.el

@@ -11,7 +11,8 @@
         js2-mode-show-parse-errors nil
         js2-mode-show-strict-warnings nil)
 
-  (add-hook! 'js2-mode-hook #'(flycheck-mode rainbow-delimiters-mode))
+  (add-hook! 'js2-mode-hook
+    #'(flycheck-mode rainbow-delimiters-mode +javascript|add-node-modules-path))
 
   (set! :repl 'js2-mode #'+javascript/repl)
   (set! :electric 'js2-mode :chars '(?\} ?\) ?.))
@@ -45,6 +46,17 @@
         :n  "S" #'+javascript/skewer-this-buffer))
 
 
+(def-package! tide
+  :hook (js2-mode . tide-setup)
+  :config
+  (set! :company 'js2-mode 'company-tide)
+  (set! :lookup 'js2-mode
+    :definition #'tide-jump-to-definition
+    :references #'tide-references
+    :documentation #'tide-documentation-at-point)
+  (add-hook! 'tide-mode-hook #'(eldoc-mode tide-hl-identifier-mode)))
+
+
 ;; A find-{definition,references} backend for js2-mode. NOTE The xref API is
 ;; unstable and may break with an Emacs update.
 (def-package! xref-js2
@@ -95,20 +107,6 @@
       ("Reformat buffer (eslint_d)"      :exec eslintd-fix :region nil :when (fboundp 'eslintd-fix)))
     :prompt "Refactor: "))
 
-
-(def-package! tern
-  :hook (js2-mode . tern-mode)
-  :config
-  (advice-add #'tern-project-dir :override #'doom-project-root))
-
-
-(def-package! company-tern
-  :when (featurep! :completion company)
-  :after tern
-  :config
-  (set! :company-backend 'js2-mode '(company-tern)))
-
-
 (def-package! rjsx-mode
   :commands rjsx-mode
   :mode "\\.jsx$"
@@ -132,6 +130,8 @@
         "<" nil
         "C-d" nil)
   (add-hook! rjsx-mode
+
+    #'(flycheck-mode set-up-tide-mode add-node-modules-path rainbow-delimiters-mode)
     ;; jshint doesn't really know how to deal with jsx
     (push 'javascript-jshint flycheck-disabled-checkers)))
 

modules/lang/javascript/packages.el

@@ -8,14 +8,11 @@
 (package! js2-refactor)
 (package! rjsx-mode)
 (package! nodejs-repl)
-(package! tern)
 (package! web-beautify)
+(package! tide)
 (package! skewer-mode)
 (package! eslintd-fix)
 
-(when (featurep! :completion company)
-  (package! company-tern))
-
 (when (featurep! :feature lookup)
   (package! xref-js2))