chore(credential-provider-cognito-identity): export es modules (#882)

packages/credential-provider-cognito-identity/jest.config.js

@@ -1,5 +1,7 @@
 const base = require("../../jest.config.base.js");
 
 module.exports = {
-  ...base
+  ...base,
+  //only test cjs dist, avoid testing the package twice
+  testPathIgnorePatterns: ["/node_modules/", "/es/"]
 };

packages/credential-provider-cognito-identity/package.json

@@ -3,11 +3,15 @@
   "version": "1.0.0-alpha.14",
   "scripts": {
     "prepublishOnly": "tsc",
-    "pretest": "tsc -p tsconfig.test.json",
+    "pretest": "yarn build:cjs && yarn build:es",
+    "build:cjs": "tsc -p tsconfig.json",
+    "build:es": "tsc -p tsconfig.es.json",
     "test": "jest"
   },
-  "main": "./build/index.js",
-  "types": "./build/index.d.ts",
+  "main": "./dist/cjs/index.js",
+  "module": "./dist/es/index.js",
+  "types": "./dist/cjs/index.d.ts",
+  "sideEffects": false,
   "author": {
     "name": "AWS SDK for JavaScript Team",
     "url": "https://aws.amazon.com/javascript/"

packages/credential-provider-cognito-identity/src/IndexedDbStorage.ts

@@ -1,5 +1,4 @@
 import { Storage } from "./Storage";
-import { ProviderError } from "@aws-sdk/property-provider";
 
 const STORE_NAME = "IdentityIds";
 

packages/credential-provider-cognito-identity/src/fromCognitoIdentityPool.spec.ts

@@ -1,7 +1,6 @@
 import { fromCognitoIdentityPool } from "./fromCognitoIdentityPool";
 import { ProviderError } from "@aws-sdk/property-provider";
 import { GetIdCommand } from "@aws-sdk/client-cognito-identity";
-import { Storage } from "./Storage";
 
 jest.mock("./fromCognitoIdentity", () => {
   const promiseFunc = jest.fn().mockResolvedValue({

packages/credential-provider-cognito-identity/src/localStorage-inmemoryStorage.spec.ts

@@ -1,13 +1,29 @@
-/**
- * @jest-environment node
- */
-
-import { localStorage } from "./localStorage";
+import { localStorage as storage } from "./localStorage";
 import { InMemoryStorage } from "./InMemoryStorage";
 
 describe("localStorage", () => {
-  //use node run time in jest(default jsdom)
+  // set store and restore indexedDB and localStorage before and after the test
+  let indexDB: any = undefined;
+  let localStorage: any = undefined;
+  beforeEach(() => {
+    if (typeof self === "object") indexDB = self.indexedDB;
+    if (typeof window === "object") localStorage = window.localStorage;
+  });
+  afterEach(() => {
+    if (typeof self === "object") defineProperty(self, "indexedDB", indexDB);
+    if (typeof window === "object")
+      defineProperty(window, "localStorage", localStorage);
+  });
   it("should return an in-memory storage implementation when indexDB or localStorage is not available", () => {
-    expect(localStorage()).toBeInstanceOf(InMemoryStorage);
+    defineProperty(self, "indexedDB", null);
+    defineProperty(window, "localStorage", null);
+    expect(storage()).toBeInstanceOf(InMemoryStorage);
   });
 });
+
+const defineProperty = (object: any, name: string, value: any) => {
+  Object.defineProperty(object, name, {
+    value,
+    configurable: true
+  });
+};

packages/credential-provider-cognito-identity/tsconfig.es.json

@@ -0,0 +1,20 @@
+{
+  "extends": "./tsconfig",
+  "compilerOptions": {
+    "target": "es5",
+    "module": "esnext",
+    "moduleResolution": "node",
+    "declaration": false,
+    "declarationDir": null,
+    "downlevelIteration": true,
+    "lib": [
+      "dom",
+      "es5",
+      "es2015.promise",
+      "es2015.collection",
+      "es2015.iterable",
+      "es2015.symbol.wellknown"
+    ],
+    "outDir": "dist/es"
+  }
+}

packages/credential-provider-cognito-identity/tsconfig.json

@@ -1,23 +1,18 @@
 {
   "compilerOptions": {
-    "target": "es5",
+    "target": "es2017",
     "module": "commonjs",
     "declaration": true,
     "strict": true,
     "sourceMap": true,
     "downlevelIteration": true,
     "importHelpers": true,
     "noEmitHelpers": true,
-    "lib": [
-      "dom",
-      "es5",
-      "es2015.promise",
-      "es2015.collection",
-      "es2015.iterable",
-      "es2015.symbol.wellknown"
-    ],
+    "lib": ["dom"],
     "rootDir": "./src",
-    "outDir": "./build",
-    "incremental": true
+    "outDir": "dist/cjs",
+    "incremental": true,
+    "declarationDir": "./dist/cjs",
+    "noUnusedLocals": true
   }
 }