Update dependency web-vitals to v2 (#10640)

* Update dependency web-vitals to v2

* Mock performance.getEntriesByName() in tests

* Only patch the method in window.performance if the object is already present

* Update tests/setup.js

Co-authored-by: William Durand <will+git@drnd.me>

* Throw an error if mocked method was already there for the future, and mock to return a list

Co-authored-by: Renovate Bot <bot@renovateapp.com>
Co-authored-by: Mathieu Pillard <mpillard@mozilla.com>
Co-authored-by: Mathieu Pillard <diox@users.noreply.github.com>
Co-authored-by: William Durand <will+git@drnd.me>

package.json

@@ -237,7 +237,7 @@
     "url-loader": "4.1.1",
     "utf8": "3.0.0",
     "uuid": "8.3.2",
-    "web-vitals": "1.1.2",
+    "web-vitals": "2.0.0",
     "webpack-isomorphic-tools": "4.0.0"
   },
   "devDependencies": {

tests/setup.js

@@ -88,6 +88,20 @@ global.fetch = (input) => {
   );
 };
 
+// web-vitals library needs window.performance with getEntriesByName()
+if (global.performance) {
+  if (global.performance.getEntriesByName) {
+    // If global.performance.getEntriesByName exists, that means we probably
+    // no longer need to mock it because it has been implemented in jsdom.
+    // throw an error so we can update the code.
+    throw new Error(
+      `Mocking of performance.getEntriesByName() seems to no longer be
+       necessary and should probably be removed`,
+    );
+  }
+  global.performance.getEntriesByName = jest.fn().mockReturnValue([]);
+}
+
 afterEach(() => {
   global.sinon.restore();
 });

yarn.lock

@@ -13232,10 +13232,10 @@ watchpack@^2.0.0:
     glob-to-regexp "^0.4.1"
     graceful-fs "^4.1.2"
 
-web-vitals@1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/web-vitals/-/web-vitals-1.1.2.tgz#06535308168986096239aa84716e68b4c6ae6d1c"
-  integrity sha512-PFMKIY+bRSXlMxVAQ+m2aw9c/ioUYfDgrYot0YUa+/xa0sakubWhSDyxAKwzymvXVdF4CZI71g06W+mqhzu6ig==
+web-vitals@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/web-vitals/-/web-vitals-2.0.0.tgz#7fcfb5fd2f439c2936822573cb4d5e8e4caaa22b"
+  integrity sha512-aCB1sYxt2eeBufybFRrDQNBg2cOcq2f6Q1He7T+qPHAwpodDXhAoWwBUavwppQQ4kfUcT5eIAfjPc9PdqAxPEw==
 
 webidl-conversions@^4.0.2:
   version "4.0.2"