add new methods to get paypal session id (#243)

* add new methods for paypal session id

* type error in tests

---------

Co-authored-by: Ravi Shekhar <[email protected]>

Author: ravishekhar

src/globalSession.js

@@ -1,5 +1,6 @@
 /* @flow */
 
+// These methods should be cleaned up in favor of paypalSession
 import { getStorage, type Storage } from "@krakenjs/belter/src";
 import { ZalgoPromise } from "@krakenjs/zalgo-promise/src";
 

src/paypalSession.js

@@ -0,0 +1,19 @@
+/* @flow */
+
+import { getStorage, type Storage } from "@krakenjs/belter/src";
+
+const STORAGE_LIFETIME_1_HOUR = 60 * 60 * 1000;
+export function getPayPalSessionStorage(): Storage {
+  return getStorage({
+    name: "paypal",
+    lifetime: STORAGE_LIFETIME_1_HOUR,
+  });
+}
+
+export function getPayPalStorageID(): string {
+  return getPayPalSessionStorage().getID();
+}
+
+export function getPayPalSessionID(): string {
+  return getPayPalSessionStorage().getSessionID();
+}

src/paypalSession.test.js

@@ -0,0 +1,52 @@
+/* @flow */
+import { afterEach, describe, it, vi } from "vitest";
+import { memoize } from "@krakenjs/belter/src";
+
+import {
+  getPayPalSessionID,
+  getPayPalSessionStorage,
+  getPayPalStorageID,
+} from "./paypalSession";
+
+describe("payaplSession cases", () => {
+  afterEach(() => {
+    vi.clearAllMocks();
+    memoize.clear();
+  });
+
+  it("should getStorageState", () => {
+    const result = getPayPalSessionStorage();
+
+    if (typeof result.getID() !== "string") {
+      throw new TypeError(`should get storage state object instance`);
+    }
+  });
+
+  it("should getPayPalSessionID", () => {
+    const id = getPayPalSessionID();
+
+    if (typeof id !== "string") {
+      throw new TypeError(
+        `should get the session id, but got ${JSON.stringify(id)}`
+      );
+    }
+
+    if (!id.startsWith("uid_")) {
+      throw new TypeError(`session id should start with uid_ but got ${id}`);
+    }
+  });
+
+  it("should getPayPalStorageID", () => {
+    const id = getPayPalStorageID();
+
+    if (typeof id !== "string") {
+      throw new TypeError(
+        `should get the storage id, but got ${JSON.stringify(id)}`
+      );
+    }
+
+    if (!id.startsWith("uid_")) {
+      throw new TypeError(`storage id should start with uid_ but got ${id}`);
+    }
+  });
+});