fix: apply Managed- part of cache policy automatically

Author: H0R5E

README.md

@@ -84,7 +84,7 @@ features are as follows:
 export interface AWSAdapterProps {
   artifactPath?: string // Build output directory (default: build)
   autoDeploy?: boolean // Should automatically deploy in SvelteKit build step (default: false)
-  cachePolicy?: string // Cloudfront managed cache policy (default: 'Managed-CachingOptimized')
+  cachePolicy?: string // Cloudfront managed cache policy (default: 'CachingOptimized')
   defaultHeaders?: string[] // Default whitelist of headers for the SSR server. (default: ['Accept','Accept-Language','If-None-Match','Host','Origin','Referer','X-Forwarded-Host'])
   esbuildOptions?: any // Override or extend default esbuild options for the SSR server. Supports `external` (default `['node:*']`), `format` (default `cjs`), `target` (default `node18`), `banner` (default `{}`).
   extraHeaders?: string[] // Additional headers to add to whitelist. (default: [])

adapter.ts

@@ -32,7 +32,7 @@ export interface AWSAdapterProps {
 export function adapter({
   artifactPath = 'build',
   autoDeploy = false,
-  cachePolicy = 'Managed-CachingOptimized',
+  cachePolicy = 'CachingOptimized',
   defaultHeaders = [
     'Accept',
     'Accept-Language',
@@ -77,7 +77,7 @@ export function adapter({
 
         await serverStack.setAllConfig({
           'aws:region': { value: region },
-          cachePolicy: { value: cachePolicy },
+          cachePolicy: { value: `Managed-${cachePolicy}` },
           projectPath: { value: process.cwd() },
           serverPath: { value: server_directory },
           optionsPath: { value: options_directory },

tests/adapter.test.ts

@@ -93,6 +93,7 @@ describe('adapter.ts', () => {
     const awsAdapter = adapter.adapter({
       artifactPath: tmpDir,
       autoDeploy: true,
+      stackName: 'mock',
     })
     await awsAdapter.adapt(builder)