Add support for typescript

rc/extra/typescript.kak

@@ -0,0 +1,38 @@
+
+# requires rc/base/javascript.kak
+
+# Detection
+# ‾‾‾‾‾‾‾‾‾
+
+hook global BufCreate .*[.](ts)x? %{
+    set buffer filetype typescript
+}
+
+# Highlighters
+# ‾‾‾‾‾‾‾‾‾‾‾‾
+
+add-highlighter -group / group typescript
+add-highlighter -group /typescript ref javascript
+
+add-highlighter -group /typescript regex \b(array|boolean|date|number|object|regexp|string|symbol)\b 0:type
+
+# Keywords grabbed from https://github.com/Microsoft/TypeScript/issues/2536
+add-highlighter -group /typescript regex \b(enum|as|implements|interface|package|private|protected|public|static|constructor|declare|get|module|set|type|from|of)\b 0:keyword
+
+# Initialization
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+hook -group typescript-highlight global WinSetOption filetype=typescript %{ add-highlighter ref typescript }
+
+hook global WinSetOption filetype=javascript %{
+    hook window InsertEnd  .* -group typescript-hooks  javascript-filter-around-selections
+    hook window InsertChar .* -group typescript-indent javascript-indent-on-char
+    hook window InsertChar \n -group typescript-indent javascript-indent-on-new-line
+}
+
+hook -group typescript-highlight global WinSetOption filetype=(?!typescript).* %{ remove-highlighter typescript }
+
+hook global WinSetOption filetype=(?!typescript).* %{
+    remove-hooks window typescript-indent
+    remove-hooks window typescript-hooks
+}