init

node_modules/@sentry/utils/esm/instrument/history.js

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+import { fill } from '../object.js';
+import '../debug-build.js';
+import '../logger.js';
+import { GLOBAL_OBJ } from '../worldwide.js';
+import { supportsHistory } from '../vendor/supportsHistory.js';
+import { addHandler, maybeInstrument, triggerHandlers } from './_handlers.js';
+
+const WINDOW = GLOBAL_OBJ ;
+
+let lastHref;
+
+/**
+ * Add an instrumentation handler for when a fetch request happens.
+ * The handler function is called once when the request starts and once when it ends,
+ * which can be identified by checking if it has an `endTimestamp`.
+ *
+ * Use at your own risk, this might break without changelog notice, only used internally.
+ * @hidden
+ */
+function addHistoryInstrumentationHandler(handler) {
+  const type = 'history';
+  addHandler(type, handler);
+  maybeInstrument(type, instrumentHistory);
+}
+
+function instrumentHistory() {
+  if (!supportsHistory()) {
+    return;
+  }
+
+  const oldOnPopState = WINDOW.onpopstate;
+  WINDOW.onpopstate = function ( ...args) {
+    const to = WINDOW.location.href;
+    // keep track of the current URL state, as we always receive only the updated state
+    const from = lastHref;
+    lastHref = to;
+    const handlerData = { from, to };
+    triggerHandlers('history', handlerData);
+    if (oldOnPopState) {
+      // Apparently this can throw in Firefox when incorrectly implemented plugin is installed.
+      // https://github.com/getsentry/sentry-javascript/issues/3344
+      // https://github.com/bugsnag/bugsnag-js/issues/469
+      try {
+        return oldOnPopState.apply(this, args);
+      } catch (_oO) {
+        // no-empty
+      }
+    }
+  };
+
+  function historyReplacementFunction(originalHistoryFunction) {
+    return function ( ...args) {
+      const url = args.length > 2 ? args[2] : undefined;
+      if (url) {
+        // coerce to string (this is what pushState does)
+        const from = lastHref;
+        const to = String(url);
+        // keep track of the current URL state, as we always receive only the updated state
+        lastHref = to;
+        const handlerData = { from, to };
+        triggerHandlers('history', handlerData);
+      }
+      return originalHistoryFunction.apply(this, args);
+    };
+  }
+
+  fill(WINDOW.history, 'pushState', historyReplacementFunction);
+  fill(WINDOW.history, 'replaceState', historyReplacementFunction);
+}
+
+export { addHistoryInstrumentationHandler };
+//# sourceMappingURL=history.js.map