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node_modules/@sentry-internal/tracing/cjs/browser/web-vitals/lib/observe.js

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+Object.defineProperty(exports, '__esModule', { value: true });
+
+/**
+ * Takes a performance entry type and a callback function, and creates a
+ * `PerformanceObserver` instance that will observe the specified entry type
+ * with buffering enabled and call the callback _for each entry_.
+ *
+ * This function also feature-detects entry support and wraps the logic in a
+ * try/catch to avoid errors in unsupporting browsers.
+ */
+const observe = (
+  type,
+  callback,
+  opts,
+) => {
+  try {
+    if (PerformanceObserver.supportedEntryTypes.includes(type)) {
+      const po = new PerformanceObserver(list => {
+        callback(list.getEntries() );
+      });
+      po.observe(
+        Object.assign(
+          {
+            type,
+            buffered: true,
+          },
+          opts || {},
+        ) ,
+      );
+      return po;
+    }
+  } catch (e) {
+    // Do nothing.
+  }
+  return;
+};
+
+exports.observe = observe;
+//# sourceMappingURL=observe.js.map