Merge pull request #25 from getjerry/depeng/fix_duplicate_pathpatterns

fix(): duplicate cloudfront behavior path patterns

Author: weiwensangsang

packages/serverless-components/aws-cloudfront/lib/index.js

@@ -280,10 +280,17 @@ const updateCloudFrontDistribution = async (cf, s3, distributionId, inputs) => {
   });
 
   if (CacheBehaviors) {
+    // path patterns that is updated in input
+    const pathPatterns = CacheBehaviors.Items.map(
+      (behavior) => behavior.PathPattern
+    );
+
     const existingCacheBehaviors = params.DistributionConfig.CacheBehaviors
       ? params.DistributionConfig.CacheBehaviors.Items.filter(
           (behavior) => !inputOriginIds.includes(behavior.TargetOriginId)
         )
+          // Cloudfront is not allow duplicate path patterns now
+          .filter((behavior) => !pathPatterns.includes(behavior.PathPattern))
       : [];
     const inputCacheBehaviours = CacheBehaviors.Items.concat(
       existingCacheBehaviors