feat(amplify): support performance mode in Branch

packages/@aws-cdk/aws-amplify/README.md

@@ -94,7 +94,9 @@ Add branches:
 
 ```ts
 const master = amplifyApp.addBranch('master'); // `id` will be used as repo branch name
-const dev = amplifyApp.addBranch('dev');
+const dev = amplifyApp.addBranch('dev', {
+ performanceMode: true, // optional, enables performance mode
+});
 dev.addEnvironment('STAGE', 'dev');
 ```
 

packages/@aws-cdk/aws-amplify/lib/branch.ts

@@ -114,6 +114,17 @@ export interface BranchOptions {
  * @default - no asset
  */
  readonly asset?: Asset
+
+ /**
+ * Enables performance mode for the branch.
+ *
+ * Performance mode optimizes for faster hosting performance by keeping content cached at the edge
+ * for a longer interval. When performance mode is enabled, hosting configuration or code changes
+ * can take up to 10 minutes to roll out.
+ *
+ * @default false
+ */
+ readonly performanceMode?: boolean;
 }
 
 /**
@@ -168,6 +179,7 @@ export class Branch extends Resource implements IBranch {
  environmentVariables: Lazy.any({ produce: () => renderEnvironmentVariables(this.environmentVariables) }, { omitEmptyArray: true }),
  pullRequestEnvironmentName: props.pullRequestEnvironmentName,
  stage: props.stage,
+ enablePerformanceMode: props.performanceMode,
  });
 
  this.arn = branch.attrArn;

packages/@aws-cdk/aws-amplify/test/branch.test.ts

@@ -162,3 +162,15 @@ test('with asset deployment', () => {
  },
  });
 });
+
+test('with performance mode', () => {
+ // WHEN
+ app.addBranch('dev', {
+ performanceMode: true,
+ });
+
+ // THEN
+ Template.fromStack(stack).hasResourceProperties('AWS::Amplify::Branch', {
+ EnablePerformanceMode: true,
+ });
+});