Add JavaScript bindings for Errata API (#1260)

Summary:
Pull Request resolved: https://github.com/facebook/yoga/pull/1260

Wire C ABI to embind to expose to JS

Reviewed By: yungsters

Differential Revision: D45297215

fbshipit-source-id: a13d60bc0ad82d7697564136f4d944e8f70db8ec

javascript/tests/YGErrataTest.test.js

@@ -0,0 +1,38 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+test("errata_all_contains_example_errata", () => {
+  const config = Yoga.Config.create();
+  config.setErrata(Yoga.ERRATA_ALL);
+
+  expect(config.getErrata()).toBe(Yoga.ERRATA_ALL);
+  expect(config.getErrata() & Yoga.ERRATA_STRETCH_FLEX_BASIS).not.toBe(0);
+
+  config.free();
+});
+
+test("errata_none_omits_example_errata", () => {
+  const config = Yoga.Config.create();
+  config.setErrata(Yoga.ERRATA_NONE);
+
+  expect(config.getErrata()).toBe(Yoga.ERRATA_NONE);
+  expect(config.getErrata() & Yoga.ERRATA_STRETCH_FLEX_BASIS).toBe(0);
+
+  config.free();
+});
+
+test("errata_is_settable", () => {
+  const config = Yoga.Config.create();
+
+  config.setErrata(Yoga.ERRATA_ALL);
+  expect(config.getErrata()).toBe(Yoga.ERRATA_ALL);
+
+  config.setErrata(Yoga.ERRATA_NONE);
+  expect(config.getErrata()).toBe(Yoga.ERRATA_NONE);
+
+  config.free();
+});