configurable http methods for default cache behavior

Author: danielcondemarin

README.md

@@ -52,6 +52,7 @@ distribution:
     enabled: true # optional
     defaults: # optional
       ttl: 15
+      allowedHttpMethods: ['HEAD', 'GET']
       lambda@edge: # added to cloudfront default cache behavior
         viewer-request: arn:aws:lambda:us-east-1:123:function:myFunc:version
     origins:

__tests__/__snapshots__/custom-url-origin.test.js.snap

@@ -24,9 +24,14 @@ Object {
         },
         "Items": Array [
           "HEAD",
+          "DELETE",
+          "POST",
           "GET",
+          "OPTIONS",
+          "PUT",
+          "PATCH",
         ],
-        "Quantity": 2,
+        "Quantity": 7,
       },
       "Compress": false,
       "DefaultTTL": 10,

__tests__/custom-url-origin.test.js

@@ -24,6 +24,7 @@ describe('Input origin as a custom url', () => {
   it('creates distribution with custom url origin and sets defaults', async () => {
     await component.default({
       defaults: {
+        allowedHttpMethods: ['HEAD', 'DELETE', 'POST', 'GET', 'OPTIONS', 'PUT', 'PATCH'],
         ttl: 10,
         'lambda@edge': {
           'origin-request': 'arn:aws:lambda:us-east-1:123:function:originRequestFunction'

lib/getDefaultCacheBehavior.js

@@ -1,6 +1,8 @@
 const addLambdaAtEdgeToCacheBehavior = require('./addLambdaAtEdgeToCacheBehavior')
 
 module.exports = (originId, defaults = {}) => {
+  const allowedMethods = defaults.allowedHttpMethods || ['HEAD', 'GET']
+
   const defaultCacheBehavior = {
     TargetOriginId: originId,
     ForwardedValues: {
@@ -25,8 +27,8 @@ module.exports = (originId, defaults = {}) => {
     ViewerProtocolPolicy: 'redirect-to-https',
     MinTTL: 0,
     AllowedMethods: {
-      Quantity: 2,
-      Items: ['HEAD', 'GET'],
+      Quantity: allowedMethods.length,
+      Items: allowedMethods,
       CachedMethods: {
         Quantity: 2,
         Items: ['HEAD', 'GET']