init commit

shared/logger/node_modules/@sentry-internal/tracing/esm/browser/router.js

@@ -0,0 +1,64 @@
+import { logger, browserPerformanceTimeOrigin, addInstrumentationHandler } from '@sentry/utils';
+import { WINDOW } from './types.js';
+
+/**
+ * Default function implementing pageload and navigation transactions
+ */
+function instrumentRoutingWithDefaults(
+  customStartTransaction,
+  startTransactionOnPageLoad = true,
+  startTransactionOnLocationChange = true,
+) {
+  if (!WINDOW || !WINDOW.location) {
+    (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.warn('Could not initialize routing instrumentation due to invalid location');
+    return;
+  }
+
+  let startingUrl = WINDOW.location.href;
+
+  let activeTransaction;
+  if (startTransactionOnPageLoad) {
+    activeTransaction = customStartTransaction({
+      name: WINDOW.location.pathname,
+      // pageload should always start at timeOrigin (and needs to be in s, not ms)
+      startTimestamp: browserPerformanceTimeOrigin ? browserPerformanceTimeOrigin / 1000 : undefined,
+      op: 'pageload',
+      metadata: { source: 'url' },
+    });
+  }
+
+  if (startTransactionOnLocationChange) {
+    addInstrumentationHandler('history', ({ to, from }) => {
+      /**
+       * This early return is there to account for some cases where a navigation transaction starts right after
+       * long-running pageload. We make sure that if `from` is undefined and a valid `startingURL` exists, we don't
+       * create an uneccessary navigation transaction.
+       *
+       * This was hard to duplicate, but this behavior stopped as soon as this fix was applied. This issue might also
+       * only be caused in certain development environments where the usage of a hot module reloader is causing
+       * errors.
+       */
+      if (from === undefined && startingUrl && startingUrl.indexOf(to) !== -1) {
+        startingUrl = undefined;
+        return;
+      }
+
+      if (from !== to) {
+        startingUrl = undefined;
+        if (activeTransaction) {
+          (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log(`[Tracing] Finishing current transaction with op: ${activeTransaction.op}`);
+          // If there's an open transaction on the scope, we need to finish it before creating an new one.
+          activeTransaction.finish();
+        }
+        activeTransaction = customStartTransaction({
+          name: WINDOW.location.pathname,
+          op: 'navigation',
+          metadata: { source: 'url' },
+        });
+      }
+    });
+  }
+}
+
+export { instrumentRoutingWithDefaults };
+//# sourceMappingURL=router.js.map