Minify JS build with terser

script/serve-docs

@@ -7,17 +7,20 @@ bundle exec jekyll serve "$@" &
 
 bundle exec ruby <<RUBY &
   require "listen"
-  dir = "$root/target/release"
-  puts "Watching #{dir}"
-  listener = Listen.to(dir, only: /^tree-sitter\.(js|wasm)$/, wait_for_delay: 3.0) do
-    puts "WASM files updated. Copying to docs folder..."
-    system(
-      "cp",
-      "$root/target/release/tree-sitter.js",
-      "$root/target/release/tree-sitter.wasm",
-      "$root/docs/assets/js/"
-    )
+
+  def copy_wasm_files
+    `cp $root/target/release/*.{js,wasm} $root/docs/assets/js/`
   end
+
+  puts "Copying WASM files to docs folder..."
+  copy_wasm_files
+
+  puts "Watching release directory"
+  listener = Listen.to("$root/target/release", only: /^tree-sitter\.(js|wasm)$/, wait_for_delay: 2) do
+    puts "WASM files updated. Copying new files to docs folder..."
+    copy_wasm_files
+  end
+
   listener.start
   sleep
 RUBY