feat!: drop modules, general refactor and cleanup

runtime/queries/heex/injections.scm

@@ -0,0 +1,30 @@
+; directives are standalone tags like '<%= @x %>'
+;
+; partial_expression_values are elixir code that is part of an expression that
+; spans multiple directive nodes, so they must be combined. For example:
+;     <%= if true do %>
+;       <p>hello, tree-sitter!</p>
+;     <% end %>
+(directive
+  [
+    (partial_expression_value)
+    (ending_expression_value)
+  ] @injection.content
+  (#set! injection.language "elixir")
+  (#set! injection.include-children)
+  (#set! injection.combined))
+
+; Regular expression_values do not need to be combined
+((directive
+  (expression_value) @injection.content)
+  (#set! injection.language "elixir"))
+
+; expressions live within HTML tags, and do not need to be combined
+;     <link href={ Routes.static_path(..) } />
+(expression
+  (expression_value) @injection.content
+  (#set! injection.language "elixir"))
+
+; HEEx comments
+((comment) @injection.content
+  (#set! injection.language "comment"))