fix: multiple spaces after tags (#3)

* fix: multiple spaces after tags

* fix: allow multiple spaces

Author: gas1cent

sample-data/BasicSample.sol

@@ -11,7 +11,7 @@ contract BasicSample {
   /**
    * @notice External function that returns a bool
    * @dev A dev comment
-   * @param _magicNumber A parameter description
+   * @param  _magicNumber A parameter description
    * @param _name Another parameter description
    * @return _isMagic Some return data
    */
@@ -42,7 +42,7 @@ contract BasicSample {
    * @notice External function that returns a bool
    * @dev A dev comment
    * @param _magicNumber A parameter description
-   * @param _name Another parameter description
+   * @param    _name Another parameter description
    * @return _isMagic Some return data
    * @return Test test
    */

src/parser.ts

@@ -27,13 +27,13 @@ export function parseNodeNatspec(node: SolcContractNode): Natspec {
                     result.inheritdoc = { content: tagMatch[2] };
                 }
             } else if (tagName === 'param' || tagName === 'return') {
-                const tagMatch = line.match(/^\s*@(\w+) (\w+) (.*)$/);
+                const tagMatch = line.match(/^\s*@(\w+) *(\w+) (.*)$/);
                 if (tagMatch) {
                     currentTag = { name: tagMatch[2], content: tagMatch[3].trim() };
                     result[tagName === 'param' ? 'params' : 'returns'].push(currentTag);
                 }
             } else {
-                const tagMatch = line.match(/^\s*@(\w+) (.*)$/);
+                const tagMatch = line.match(/^\s*@(\w+) *(.*)$/);
                 if (tagMatch) {
                     currentTag = { name: tagName, content: tagMatch[2] };
                     result.tags.push(currentTag);