feat: Add tests for omit_redundant_param_types option for javascript,…

… add option description to readme.

README.md

@@ -279,12 +279,16 @@ being aliased, see [`g:doge_filetype_aliases`](#gdoge_filetype_aliases).
 ```vim
 let g:doge_javascript_settings = {
 \  'destructuring_props': 1,
+\  'omit_redundant_param_types': 0,
 \}
 ```
 
 - `destructuring_props`: Whether or not to generate `@param` tags for the
   destructured properties in a function expression.
 
+- `omit_redundant_param_types`: Whether or not to omit the `{Type}` part of
+  parameters, when the type is known (i.e. typescript).
+
 ### PHP
 
 ```vim

test/filetypes/javascript/functions.vader

@@ -373,6 +373,46 @@ Expect javascript (generated comments with a description, @param and @return tag
    */
   function foo({ a, b: str, c = 3, d: int = 5 }) {}
 
+# ==============================================================================
+# Test the 'omit_redundant_param_types' option
+# ==============================================================================
+Given javascript (functions with type information):
+  function foo(a, b: str, c = 3, d: int = 5):int {}
+
+  function foo(a, b: str, c = 3, d: int = 5):int {}
+
+
+Do (trigger doge):
+  :let g:doge_javascript_settings = {'omit_redundant_param_types': 1}\<CR>
+  :1\<CR>
+  \<C-d>
+  :let g:doge_javascript_settings = {'omit_redundant_param_types': 0}\<CR>
+  :13\<CR>
+  \<C-d>
+  :let g:doge_javascript_settings = {'omit_redundant_param_types': 1}\<CR>
+
+Expect javascript (generated comments with a description, @param and @return tags):
+  /**
+   * [TODO:description]
+   *
+   * @param {[TODO:type]} a - [TODO:description]
+   * @param {str} b - [TODO:description]
+   * @param {[TODO:type]} [c] - [TODO:description]
+   * @param {int} [d] - [TODO:description]
+   * @return {int} [TODO:description]
+   */
+  function foo(a, b: str, c = 3, d: int = 5):int {}
+
+  /**
+   * [TODO:description]
+   *
+   * @param {[TODO:type]} a - [TODO:description]
+   * @param b - [TODO:description]
+   * @param {[TODO:type]} [c] - [TODO:description]
+   * @param [d] - [TODO:description]
+   */
+  function foo(a, b: str, c = 3, d: int = 5):int {}
+
 # ==============================================================================
 # Function calls that should not generate documentation
 # ==============================================================================