Fixed match regex to support negative numbers (#96)

Fixes #70.
vercel · Nov 29, 2017 · f0bc0a2 · f0bc0a2
1 parent a2caead
commit f0bc0a2
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/index.js b/index.js
@@ -50,7 +50,7 @@ function parse(str) {
   if (str.length > 100) {
     return;
   }
-  var match = /^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(
+  var match = /^((?:\d+)?\-?\d?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(
     str
   );
   if (!match) {

diff --git a/tests.js b/tests.js
@@ -64,6 +64,12 @@ describe('ms(string)', function() {
   it('should work with numbers starting with .', function() {
     expect(ms('.5ms')).to.be(0.5);
   });
+
+  it('should work with numbers starting with -', function() {
+    expect(ms('-5')).to.be(-5);
+    expect(ms('-.5ms')).to.be(-0.5);
+    expect(ms('-0.5ms')).to.be(-0.5);
+  });
 });
 
 // long strings