feat: add integ-runner and rosetta support (#17)

This PR adds default support for integ-runner and rosetta for construct
libraries. I've been making these changes individually for some repos
(see https://github.com/cdklabs/cdk-stacksets), but we should be
controlling it centrally.

closes https://github.com/cdklabs/cdk-ops/issues/2438

src/cdk.ts

@@ -1,6 +1,8 @@
 import { awscdk, typescript } from 'projen';
 import { Stability } from 'projen/lib/cdk';
+import { IntegRunner } from './integ-runner';
 import { Private } from './private';
+import { Rosetta } from './rosetta';
 
 export interface CdkConstructLibraryOptions extends awscdk.AwsCdkConstructLibraryOptions {
   /**
@@ -52,6 +54,9 @@ export class CdkConstructLibrary extends awscdk.AwsCdkConstructLibrary {
     });
 
     this.private = options.private ?? true;
+    new Rosetta(this);
+    new IntegRunner(this);
+
 
     if (this.private) {
       new Private(this);

src/integ-runner.ts

@@ -0,0 +1,29 @@
+import { Component, DependencyType } from 'projen';
+import { TypeScriptProject } from 'projen/lib/typescript';
+
+/**
+ * This component adds support for using `integ-runner` and `integ-tests`
+ * in a construct library.
+ */
+export class IntegRunner extends Component {
+  constructor(project: TypeScriptProject) {
+    super(project);
+
+    project.deps.addDependency('@aws-cdk/integ-runner@^2.45.0', DependencyType.DEVENV);
+    project.deps.addDependency('@aws-cdk/integ-tests-alpha@^2.45.0-alpha.0', DependencyType.DEVENV);
+
+    const integSnapshotTask = project.addTask('integ', {
+      description: 'Run integration snapshot tests',
+      receiveArgs: true,
+      exec: 'yarn integ-runner --language typescript',
+    });
+
+    project.addTask('integ:update', {
+      description: 'Run and update integration snapshot tests',
+      exec: 'yarn integ-runner --language typescript --update-on-failed',
+      receiveArgs: true,
+    });
+
+    project.testTask.spawn(integSnapshotTask);
+  }
+}

src/rosetta.ts

@@ -0,0 +1,41 @@
+import { Component, TextFile } from 'projen';
+import { TypeScriptProject } from 'projen/lib/typescript';
+
+/**
+ * The Rosetta component adds builtin rosetta support
+ * for a construct library. Since ConstructHub will run
+ * rosetta for real, this just adds a check to the build to
+ * ensure that rosetta will run successfully
+ */
+export class Rosetta extends Component {
+  constructor(project: TypeScriptProject) {
+    super(project);
+
+    const rosettaTask = project.addTask('rosetta:extract', {
+      description: 'Test rosetta extract',
+      exec: 'yarn --silent jsii-rosetta extract --strict',
+    });
+    project.postCompileTask.spawn(rosettaTask);
+    project.addGitIgnore('.jsii.tabl.json');
+
+    new TextFile(project, 'rosetta/default.ts-fixture', {
+      readonly: false,
+      lines: [
+        '// Fixture with packages imported, but nothing else',
+        "import { Construct } from 'constructs';",
+        'import {',
+        '  Stack,',
+        "} from 'aws-cdk-lib';",
+        '',
+        'class Fixture extends Stack {',
+        '  constructor(scope: Construct, id: string) {',
+        '    super(scope, id);',
+        '',
+        '    /// here',
+        '  }',
+        '}',
+      ],
+      marker: false,
+    });
+  }
+}