Add doc string to semVerToken

asgerf · erik-krogh · asgerf · commit 4e2b990d1471 · 2020-10-06T11:13:04.000+01:00
Co-authored-by: Erik Krogh Kristensen &lt;erik-krogh@github.com&gt;
diff --git a/javascript/extractor/src/com/semmle/js/dependencies/DependencyResolver.java b/javascript/extractor/src/com/semmle/js/dependencies/DependencyResolver.java
@@ -57,7 +57,8 @@ private void addConstraint(Constraint constraint) {
         }
     }
 
-    private static final Pattern semVerToken = Pattern.compile("[~^<>=|&-]+|\\d+(?:\\.[\\dx]+)+(?:-[\\w.-]*)?");
+    // Matches either a version ("2.1.x" / "3.0", etc..), or a version constraint operator ("<", "||", "~", etc...). 
+    private static final Pattern semVerToken = Pattern.compile("\\d+(?:\\.[\\dx]+)+(?:-[\\w.-]*)?|[~^<>=|&-]+");
 
     /**
      * Returns the first version number mentioned in the given constraints, excluding upper bounds such as `< 2.0.0`,

Original file line number	Diff line number	Diff line change
`@@ -57,7 +57,8 @@ private void addConstraint(Constraint constraint) {`
`57`	`57`	`}`
`58`	`58`	`}`
`59`	`59`
`60`		`- private static final Pattern semVerToken = Pattern.compile("[~^<>=\|&-]+\|\\d+(?:\\.[\\dx]+)+(?:-[\\w.-]*)?");`
	`60`	`+ // Matches either a version ("2.1.x" / "3.0", etc..), or a version constraint operator ("<", "\|\|", "~", etc...).`
	`61`	`+ private static final Pattern semVerToken = Pattern.compile("\\d+(?:\\.[\\dx]+)+(?:-[\\w.-]*)?\|[~^<>=\|&-]+");`
`61`	`62`
`62`	`63`	`/**`
`63`	`64`	* Returns the first version number mentioned in the given constraints, excluding upper bounds such as `< 2.0.0`,