Add support for working with typescript

modules/languages/siren-typescript.el

@@ -0,0 +1,68 @@
+;;; siren-typescript.el --- jimeh's Emacs Siren: typescript-mode configuration.
+
+;;; Commentary:
+
+;; Basic configuration for typescript-mode.
+
+;;; Code:
+
+(require 'siren-company)
+(require 'siren-folding)
+(require 'siren-flycheck)
+(require 'siren-highlight-indentation)
+(require 'siren-prettier-js)
+(require 'siren-web-mode)
+
+(use-package typescript-mode
+  :hook
+  (typescript-mode . siren-typescript-mode-setup)
+
+  :init
+
+  (defun siren-typescript-mode-setup ()
+    (let ((width 2))
+      (setq typescript-indent-level width
+            indent-level width
+            tab-width width))
+
+    (company-mode +1)
+    (subword-mode +1)
+    (hs-minor-mode 1)
+    (highlight-indentation-current-column-mode)
+    (hideshowvis-enable)
+
+    (let ((map typescript-mode-map))
+      (define-key map (kbd "C-j") 'newline-and-indent)
+      (define-key map (kbd "C-c C-h") 'siren-toggle-hiding))))
+
+(use-package tide
+  :hook
+  ;; (before-save . tide-format-before-save)
+  (typescript-mode . siren-tide-mode-setup)
+  (web-mode . siren-tide-web-mode-setup)
+
+  :init
+  (add-to-list 'auto-mode-alist '("\\.tsx\\'" . web-mode))
+  (eval-after-load 'flycheck
+    '(progn
+       (flycheck-add-mode 'typescript-tslint 'web-mode)))
+
+  (defun siren-tide-web-mode-setup ()
+    (when (string-equal "tsx" (file-name-extension buffer-file-name))
+      (siren-tide-mode-setup)))
+
+  (defun siren-tide-mode-setup ()
+    (interactive)
+    (tide-setup)
+
+    (setq flycheck-check-syntax-automatically '(save mode-enabled)
+          company-tooltip-align-annotations t)
+
+    (prettier-js-mode +1)
+    (flycheck-mode +1)
+    (eldoc-mode +1)
+    (tide-hl-identifier-mode +1)
+    (company-mode +1)))
+
+(provide 'siren-typescript)
+;;; siren-typescript.el ends here