[PM-11350] Use shared expiration year normalization util function (#10735)

* use shared expiration year normalization util function

* use shared exp year normalization in web and desktop client

* handle cases where input has leading zeroes

* add utils tests

* handle cases where input is all zeroes

libs/common/src/vault/utils.spec.ts

@@ -0,0 +1,74 @@
+import { normalizeExpiryYearFormat } from "@bitwarden/common/vault/utils";
+
+function getExpiryYearValueFormats(currentCentury: string) {
+  return [
+    [-12, `${currentCentury}12`],
+    [0, `${currentCentury}00`],
+    [2043, "2043"], // valid year with a length of four should be taken directly
+    [24, `${currentCentury}24`],
+    [3054, "3054"], // valid year with a length of four should be taken directly
+    [31423524543, `${currentCentury}43`],
+    [4, `${currentCentury}04`],
+    [null, null],
+    [undefined, null],
+    ["-12", `${currentCentury}12`],
+    ["", null],
+    ["0", `${currentCentury}00`],
+    ["00", `${currentCentury}00`],
+    ["000", `${currentCentury}00`],
+    ["0000", `${currentCentury}00`],
+    ["00000", `${currentCentury}00`],
+    ["0234234", `${currentCentury}34`],
+    ["04", `${currentCentury}04`],
+    ["2043", "2043"], // valid year with a length of four should be taken directly
+    ["24", `${currentCentury}24`],
+    ["3054", "3054"], // valid year with a length of four should be taken directly
+    ["31423524543", `${currentCentury}43`],
+    ["4", `${currentCentury}04`],
+    ["aaaa", null],
+    ["adgshsfhjsdrtyhsrth", null],
+    ["agdredg42grg35grrr. ea3534@#^145345ag$%^  -_#$rdg ", `${currentCentury}45`],
+  ];
+}
+
+describe("normalizeExpiryYearFormat", () => {
+  const currentCentury = `${new Date().getFullYear()}`.slice(0, 2);
+
+  const expiryYearValueFormats = getExpiryYearValueFormats(currentCentury);
+
+  expiryYearValueFormats.forEach(([inputValue, expectedValue]) => {
+    it(`should return '${expectedValue}' when '${inputValue}' is passed`, () => {
+      const formattedValue = normalizeExpiryYearFormat(inputValue);
+
+      expect(formattedValue).toEqual(expectedValue);
+    });
+  });
+
+  describe("in the year 3107", () => {
+    const theDistantFuture = new Date(Date.UTC(3107, 1, 1));
+    jest.spyOn(Date, "now").mockReturnValue(theDistantFuture.valueOf());
+
+    beforeAll(() => {
+      jest.useFakeTimers({ advanceTimers: true });
+      jest.setSystemTime(theDistantFuture);
+    });
+
+    afterAll(() => {
+      jest.useRealTimers();
+    });
+
+    const currentCentury = `${new Date(Date.now()).getFullYear()}`.slice(0, 2);
+    expect(currentCentury).toBe("31");
+
+    const expiryYearValueFormats = getExpiryYearValueFormats(currentCentury);
+
+    expiryYearValueFormats.forEach(([inputValue, expectedValue]) => {
+      it(`should return '${expectedValue}' when '${inputValue}' is passed`, () => {
+        const formattedValue = normalizeExpiryYearFormat(inputValue);
+
+        expect(formattedValue).toEqual(expectedValue);
+      });
+    });
+    jest.clearAllTimers();
+  });
+});