feat(parser): add function to display AST statistics and fix Clippy…

… warnings (#7)

README.md

@@ -1,9 +1,9 @@
 <img src="https://github.com/ash-project/igniter/blob/main/logos/igniter-logo-small.png?raw=true#gh-light-mode-only" alt="Logo Light" width="250">
 <img src="https://github.com/ash-project/igniter/blob/main/logos/igniter-logo-small.png?raw=true#gh-dark-mode-only" alt="Logo Dark" width="250">
 
-[![CI](https://github.com/ash-project/igniter/actions/workflows/elixir.yml/badge.svg)](https://github.com/ash-project/igniter/actions/workflows/elixir.yml)
-[![Hex version badge](https://img.shields.io/hexpm/v/igniter.svg)](https://hex.pm/packages/igniter)
-[![Hexdocs badge](https://img.shields.io/badge/docs-hexdocs-purple)](https://hexdocs.pm/igniter)
+[![CI](https://github.com/ash-project/igniter_js/actions/workflows/elixir.yml/badge.svg)](https://github.com/ash-project/igniter_js/actions/workflows/elixir.yml)
+[![Hex version badge](https://img.shields.io/hexpm/v/igniter.svg)](https://hex.pm/packages/igniter_js)
+[![Hexdocs badge](https://img.shields.io/badge/docs-hexdocs-purple)](https://hexdocs.pm/igniter_js)
 
 # IgniterJs
 

lib/igniter_js/native.ex

@@ -40,5 +40,7 @@ defmodule IgniterJs.Native do
 
   def remove_objects_of_hooks_from_ast_nif(_file_content, _object_names), do: error()
 
+  def statistics_from_ast_nif(_file_content), do: error()
+
   defp error, do: :erlang.nif_error(:nif_not_loaded)
 end

lib/igniter_js/parsers/javascript/parser.ex

@@ -184,4 +184,38 @@ defmodule IgniterJs.Parsers.Javascript.Parser do
       type
     )
   end
+
+  @doc """
+  Retrieve statistical information about the JavaScript source code, such as the number of
+  functions, classes, debugger statements, imports, try-catch blocks, and throw statements.
+
+  This function accepts either the content of the JavaScript file or the path to the file,
+  and returns a tuple with the status, function atom, and the extracted data as a map.
+
+  ## Examples
+
+  ```elixir
+  alias IgniterJs.Parsers.Javascript.Parser
+
+  # Analyze a JavaScript source file by providing its content
+  Parser.statistics(js_content)
+
+  # Analyze a JavaScript source file by providing its file path
+  Parser.statistics("/path/to/file.js", :path)
+  ```
+  """
+  def statistics(file_path_or_content, type \\ :content) do
+    {status, fn_atom, {_, data}} =
+      call_nif_fn(
+        file_path_or_content,
+        __ENV__.function,
+        fn file_content ->
+          Native.statistics_from_ast_nif(file_content)
+        end,
+        type
+      )
+
+    converted = if is_map(data), do: Map.drop(data, [:__struct__]), else: data
+    {status, fn_atom, converted}
+  end
 end