fix: refactor isValidSemver to avoid Invalid Version errors

lib/util/semver.js

@@ -16,7 +16,6 @@ const {
   patch: getPatch,
   satisfies: matchesSemver,
   valid: isPinnedVersion,
-  validRange: isValidSemver,
 } = semver;
 
 const padRange = range => range + '.0'.repeat(3 - range.split('.').length);
@@ -28,6 +27,9 @@ const getMajor = input => {
 
 const isRange = input => isValidSemver(input) && !isPinnedVersion(input);
 
+// If this is left as an alias, inputs like "17.04.0" throw errors
+const isValidSemver = input => semver.validRange(input);
+
 module.exports = {
   getMajor,
   getMinor,

test/util/semver.spec.js

 const semver = require('../../lib/util/semver');
 
 describe('.isValidSemver(input)', () => {
+  it('should return null for irregular versions', () => {
+    expect(!!semver.isValidSemver('17.04.0')).toBe(false);
+  });
   it('should support simple semver', () => {
     expect(!!semver.isValidSemver('1.2.3')).toBe(true);
   });