Add support for caret (^)

semver-utils.js

@@ -8,7 +8,7 @@
   //               | |                    |                                        |optional build prefixed by '+'
   var reSemver = /^v?((\d+)\.(\d+)\.(\d+))(?:-([\dA-Za-z\-]+(?:\.[\dA-Za-z\-]+)*))?(?:\+([\dA-Za-z\-]+(?:\.[\dA-Za-z\-]+)*))?$/
     //, reSemverRange = /\s*((\|\||\-)|(([<>~]?=?)\s*(v)?([0-9]+)(\.(x|[0-9]+))?(\.(x|[0-9]+))?(([\-+])([a-zA-Z0-9\.]+))?))\s*/g
-    , reSemverRange = /\s*((\|\||\-)|(([<>~]?=?)\s*(v)?([0-9]+)(\.(x|\*|[0-9]+))?(\.(x|\*|[0-9]+))?(([\-+])([a-zA-Z0-9\.]+))?))\s*/g
+    , reSemverRange = /\s*((\|\||\-)|(([<>~^]?=?)\s*(v)?([0-9]+)(\.(x|\*|[0-9]+))?(\.(x|\*|[0-9]+))?(([\-+])([a-zA-Z0-9\.]+))?))\s*/g
     ;
 
   // Returns a new object with all of the undefined properties removed from the given object
@@ -22,7 +22,6 @@
     return o;
   }
 
-
   function stringifySemver(obj) {
     var str = ''
       ;
@@ -123,11 +122,7 @@
       ;
  
 
-    while (true) {
-      m = reSemverRange.exec(str);
-      if (!m) {
-        break;
-      }
+    while (m = reSemverRange.exec(str)) {
       obj = {
           semver: m[3]
         , operator: m[4] || m[2]

test/spec.js

@@ -88,6 +88,16 @@ describe('parseRange', function() {
     }]);
   });
 
+  it('should parse caret', function() {
+    deepOwnEqual(semverutils.parseRange('^1.0.0'), [{
+      semver: '^1.0.0',
+      operator: '^',
+      major: '1',
+      minor: '0',
+      patch: '0'
+    }]);
+  });
+
   it('should parse tilde and v- prefix', function() {
     deepOwnEqual(semverutils.parseRange('~v1.0.0'), [{
       semver: '~v1.0.0',