add cdk and create skeleton stack for mobile purchases

cdk/.gitignore

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+*.js
+!jest.config.js
+!jest.setup.js
+!.eslintrc.js
+*.d.ts
+node_modules
+dist
+
+# CDK asset staging directory
+.cdk.staging
+cdk.out

cdk/README.md

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+# Infrastructure
+
+This directory defines the components to be deployed to AWS.
+
+See [`package.json`](./package.json) for a list of available scripts.

cdk/bin/cdk.ts

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+import "source-map-support/register";
+import { GuRoot } from "@guardian/cdk/lib/constructs/root";
+import { MobilePurchases } from "../lib/mobile-purchases";
+
+const app = new GuRoot();
+new MobilePurchases(app, "MobilePurchases-euwest-1-CODE", { stack: "mobile", stage: "CODE", env: { region: "eu-west-1" } });
+new MobilePurchases(app, "MobilePurchases-euwest-1-PROD", { stack: "mobile", stage: "PROD", env: { region: "eu-west-1" } });

cdk/cdk.json

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+{
+  "app": "npx ts-node bin/cdk.ts",
+  "context": {
+    "aws-cdk:enableDiffNoFail": "true",
+    "@aws-cdk/core:stackRelativeExports": "true"
+  }
+}

cdk/jest.setup.js

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+jest.mock("@guardian/cdk/lib/constants/tracking-tag");

cdk/lib/__snapshots__/mobile-purchases.test.ts.snap

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+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`The MobilePurchases stack matches the snapshot 1`] = `
+{
+  "Metadata": {
+    "gu:cdk:constructs": [],
+    "gu:cdk:version": "TEST",
+  },
+}
+`;

cdk/lib/mobile-purchases.test.ts

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+import { App } from "aws-cdk-lib";
+import { Template } from "aws-cdk-lib/assertions";
+import { MobilePurchases } from "./mobile-purchases";
+
+describe("The MobilePurchases stack", () => {
+  it("matches the snapshot", () => {
+    const app = new App();
+    const stack = new MobilePurchases(app, "MobilePurchases", { stack: "mobile", stage: "TEST" });
+    const template = Template.fromStack(stack);
+    expect(template.toJSON()).toMatchSnapshot();
+  });
+});

cdk/lib/mobile-purchases.ts

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+import type { GuStackProps } from "@guardian/cdk/lib/constructs/core";
+import { GuStack } from "@guardian/cdk/lib/constructs/core";
+import type { App } from "aws-cdk-lib";
+
+export class MobilePurchases extends GuStack {
+  constructor(scope: App, id: string, props: GuStackProps) {
+    super(scope, id, props);
+  }
+}

cdk/package.json

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+{
+  "name": "cdk",
+  "version": "0.0.0",
+  "private": true,
+  "scripts": {
+    "build": "tsc",
+    "test": "jest",
+    "test-update": "jest -u",
+    "format": "prettier --write \"{lib,bin}/**/*.ts\"",
+    "lint": "eslint lib/** bin/** --ext .ts --no-error-on-unmatched-pattern",
+    "synth": "cdk synth --path-metadata false --version-reporting false",
+    "diff": "cdk diff --path-metadata false --version-reporting false"
+  },
+  "devDependencies": {
+    "@guardian/cdk": "54.1.0",
+    "@guardian/eslint-config-typescript": "8.0.0",
+    "@guardian/prettier": "5.0.0",
+    "@guardian/tsconfig": "^0.2.0",
+    "@types/jest": "^29.5.12",
+    "@types/node": "20.11.20",
+    "aws-cdk": "2.127.0",
+    "aws-cdk-lib": "2.127.0",
+    "constructs": "10.3.0",
+    "eslint": "^8.56.0",
+    "jest": "^29.7.0",
+    "prettier": "^3.2.5",
+    "source-map-support": "^0.5.20",
+    "ts-jest": "^29.1.2",
+    "ts-node": "^10.9.2",
+    "typescript": "5.1.6"
+  },
+  "prettier": "@guardian/prettier",
+  "jest": {
+    "testMatch": [
+      "<rootDir>/lib/**/*.test.ts"
+    ],
+    "transform": {
+      "^.+\\.tsx?$": "ts-jest"
+    },
+    "setupFilesAfterEnv": [
+      "./jest.setup.js"
+    ]
+  },
+  "eslintConfig": {
+    "root": true,
+    "env": {
+      "node": true,
+      "jest": true
+    },
+    "extends": [
+      "@guardian/eslint-config-typescript"
+    ],
+    "parserOptions": {
+      "ecmaVersion": 2020,
+      "sourceType": "module"
+    },
+    "plugins": [
+      "@typescript-eslint"
+    ],
+    "rules": {
+      "@typescript-eslint/no-inferrable-types": 0,
+      "import/no-namespace": 2
+    },
+    "ignorePatterns": [
+      "**/*.js",
+      "node_modules",
+      "cdk.out",
+      ".eslintrc.js",
+      "jest.config.js"
+    ]
+  }
+}

cdk/tsconfig.json

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+{
+  "extends": "@guardian/tsconfig/tsconfig.json",
+  "compilerOptions": {
+    "module": "CommonJS"
+  },
+  "include": ["lib/**/*", "bin/**/*"],
+  "exclude": [
+    "node_modules",
+    "cdk.out",
+    "lib/**/__snapshots__/**"
+  ]
+}