init

node_modules/@sentry-internal/tracing/cjs/browser/backgroundtab.js

@@ -0,0 +1,41 @@
+Object.defineProperty(exports, '__esModule', { value: true });
+
+const core = require('@sentry/core');
+const utils = require('@sentry/utils');
+const debugBuild = require('../common/debug-build.js');
+const types = require('./types.js');
+
+/**
+ * Add a listener that cancels and finishes a transaction when the global
+ * document is hidden.
+ */
+function registerBackgroundTabDetection() {
+  if (types.WINDOW.document) {
+    types.WINDOW.document.addEventListener('visibilitychange', () => {
+      // eslint-disable-next-line deprecation/deprecation
+      const activeTransaction = core.getActiveTransaction() ;
+      if (types.WINDOW.document.hidden && activeTransaction) {
+        const statusType = 'cancelled';
+
+        const { op, status } = core.spanToJSON(activeTransaction);
+
+        debugBuild.DEBUG_BUILD &&
+          utils.logger.log(`[Tracing] Transaction: ${statusType} -> since tab moved to the background, op: ${op}`);
+        // We should not set status if it is already set, this prevent important statuses like
+        // error or data loss from being overwritten on transaction.
+        if (!status) {
+          activeTransaction.setStatus(statusType);
+        }
+        // TODO: Can we rewrite this to an attribute?
+        // eslint-disable-next-line deprecation/deprecation
+        activeTransaction.setTag('visibilitychange', 'document.hidden');
+        activeTransaction.end();
+      }
+    });
+  } else {
+    debugBuild.DEBUG_BUILD && utils.logger.warn('[Tracing] Could not set up background tab detection due to lack of global document');
+  }
+}
+
+exports.registerBackgroundTabDetection = registerBackgroundTabDetection;
+//# sourceMappingURL=backgroundtab.js.map