1 files changed, 33 insertions, 0 deletions
diff --git a/public/src/jestGlobalMocks.ts b/public/src/jestGlobalMocks.ts
new file mode 100644
index 0000000..e93276f
--- /dev/null
+++ b/public/src/jestGlobalMocks.ts
@@ -0,0 +1,33 @@
+global['CSS'] = null;
+
+const mock = () => {
+  let storage = {};
+  return {
+    getItem: key => (key in storage ? storage[key] : null),
+    setItem: (key, value) => (storage[key] = value || ''),
+    removeItem: key => delete storage[key],
+    clear: () => (storage = {})
+  };
+};
+
+Object.defineProperty(window, 'localStorage', { value: mock() });
+Object.defineProperty(window, 'sessionStorage', { value: mock() });
+Object.defineProperty(document, 'doctype', {
+  value: '<!DOCTYPE html>'
+});
+Object.defineProperty(window, 'getComputedStyle', {
+  value: () => {
+    return {
+      display: 'none',
+      appearance: ['-webkit-appearance']
+    };
+  }
+});
+Object.defineProperty(document.body.style, 'transform', {
+  value: () => {
+    return {
+      enumerable: true,
+      configurable: true
+    };
+  }
+});