Fix JS searching and auto-save for ESLint

uno/modules/lang/js/+index.org

@@ -41,3 +41,14 @@ Define JavaScript language package.
                                     "&&")
       "Ligature symbols for JS."))
 #+END_SRC
+
+* Projectile
+
+#+BEGIN_SRC emacs-lisp
+  (use-package emacs
+    :after (uno-lang-js projectile)
+    :init
+    (add-to-list 'projectile-globally-ignored-directories ".yarn")
+    (add-to-list 'projectile-globally-ignored-files "package-lock.json")
+    (add-to-list 'projectile-globally-ignored-files "yarn.lock"))
+#+END_SRC

uno/modules/lang/js/lsp.org

@@ -8,6 +8,7 @@ Define JavaScript language LSP Integration package.
 #+BEGIN_SRC emacs-lisp
   (use-package emacs
     :after (uno-lang-js uno-dev-lsp projectile)
+    :if (executable-find "node")
     :config
     (provide 'uno-lang-js-lsp))
 #+END_SRC
@@ -17,6 +18,8 @@ Define JavaScript language LSP Integration package.
 #+BEGIN_SRC emacs-lisp
   (use-package emacs
     :after uno-lang-js-lsp
+    :custom
+    (lsp-eslint-auto-fix-on-save t)
     :init
     (require 'seq)
     (defun uno/lang/js/lsp ()
@@ -63,6 +66,12 @@ Define JavaScript language LSP Integration package.
         (cond
          ((file-exists-p (concat -root ".yarn/")) "yarn")
          ((file-exists-p (concat -root "node_modules/")) "npm"))))
+    ;; https://github.com/emacs-lsp/lsp-mode/issues/1842#issuecomment-942861229
+    (defun uno/lang/js/lsp/eslint-autofix ()
+      "Run lsp-eslint-apply-all-fixes before lsp--before-save."
+      (when lsp-eslint-auto-fix-on-save
+        (lsp-eslint-fix-all)))
+    (advice-add 'lsp--before-save :before #'uno/lang/js/lsp/eslint-autofix)
     (uno/add-useless-buffer "\\*eslint\\*")
     (uno/add-useless-buffer "\\*eslint::.*\\*"))
 #+END_SRC