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node_modules/@sentry-internal/tracing/esm/browser/web-vitals/lib/getNavigationEntry.js

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+import { WINDOW } from '../../types.js';
+
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+const getNavigationEntryFromPerformanceTiming = () => {
+  // eslint-disable-next-line deprecation/deprecation
+  const timing = WINDOW.performance.timing;
+  // eslint-disable-next-line deprecation/deprecation
+  const type = WINDOW.performance.navigation.type;
+
+  const navigationEntry = {
+    entryType: 'navigation',
+    startTime: 0,
+    type: type == 2 ? 'back_forward' : type === 1 ? 'reload' : 'navigate',
+  };
+
+  for (const key in timing) {
+    if (key !== 'navigationStart' && key !== 'toJSON') {
+      // eslint-disable-next-line deprecation/deprecation
+      navigationEntry[key] = Math.max((timing[key ] ) - timing.navigationStart, 0);
+    }
+  }
+  return navigationEntry ;
+};
+
+const getNavigationEntry = () => {
+  if (WINDOW.__WEB_VITALS_POLYFILL__) {
+    return (
+      WINDOW.performance &&
+      ((performance.getEntriesByType && performance.getEntriesByType('navigation')[0]) ||
+        getNavigationEntryFromPerformanceTiming())
+    );
+  } else {
+    return WINDOW.performance && performance.getEntriesByType && performance.getEntriesByType('navigation')[0];
+  }
+};
+
+export { getNavigationEntry };
+//# sourceMappingURL=getNavigationEntry.js.map