klz-cables.com/.pnpm-store/v10/files/51/b84a76229be5d8d2a4aef6ecc2cc380c48cd29e8e6b237652605c1076bba5e96b8a0fb57ac2f7e533f15edcce7b20076a13890bc91e9d82ddbbb1b8305b3d9

import { WINDOW } from '@sentry/browser';
import { addNonEnumerableProperty, debug, isThenable } from '@sentry/core';
import { DEBUG_BUILD } from '../debug-build.js';
import { getActiveRootSpan, getNavigationContext } from './utils.js';

/**
 * Captures location at invocation time. Prefers navigation context over window.location
 * since window.location hasn't updated yet when async handlers are invoked.
 *
 * When inside a patchRoutesOnNavigation call, uses the captured targetPath. If targetPath
 * is undefined (patchRoutesOnNavigation can be invoked without a path argument), returns
 * null rather than falling back to WINDOW.location which could be stale/wrong after the
 * user navigated away during async loading. Returning null causes the span name update
 * to be skipped, which is safer than using incorrect location data.
 */
function captureCurrentLocation() {
  const navContext = getNavigationContext();

  if (navContext) {
    if (navContext.targetPath) {
      return {
        pathname: navContext.targetPath,
        search: '',
        hash: '',
        state: null,
        key: 'default',
      };
    }
    // Don't fall back to potentially stale WINDOW.location
    return null;
  }

  if (typeof WINDOW !== 'undefined') {
    try {
      const windowLocation = WINDOW.location;
      if (windowLocation) {
        return {
          pathname: windowLocation.pathname,
          search: windowLocation.search || '',
          hash: windowLocation.hash || '',
          state: null,
          key: 'default',
        };
      }
    } catch {
      DEBUG_BUILD && debug.warn('[React Router] Could not access window.location');
    }
  }
  return null;
}

/**
 * Captures the active span at invocation time. Prefers navigation context span
 * to ensure we update the correct span even if another navigation starts.
 */
function captureActiveSpan() {
  const navContext = getNavigationContext();
  if (navContext) {
    return navContext.span;
  }
  return getActiveRootSpan();
}

/**
 * Creates a proxy wrapper for an async handler function.
 * Captures both the location and the active span at invocation time to ensure
 * the correct span is updated when the handler resolves.
 */
function createAsyncHandlerProxy(
  originalFunction,
  route,
  handlerKey,
  processResolvedRoutes

,
) {
  const proxy = new Proxy(originalFunction, {
    apply(target, thisArg, argArray) {
      const locationAtInvocation = captureCurrentLocation();
      const spanAtInvocation = captureActiveSpan();
      const result = target.apply(thisArg, argArray);
      handleAsyncHandlerResult(
        result,
        route,
        handlerKey,
        processResolvedRoutes,
        locationAtInvocation,
        spanAtInvocation,
      );
      return result;
    },
  });

  addNonEnumerableProperty(proxy, '__sentry_proxied__', true);

  return proxy;
}

/**
 * Handles the result of an async handler function call.
 * Passes the captured span through to ensure the correct span is updated.
 */
function handleAsyncHandlerResult(
  result,
  route,
  handlerKey,
  processResolvedRoutes

,
  currentLocation,
  capturedSpan,
) {
  if (isThenable(result)) {
    (result )
      .then((resolvedRoutes) => {
        if (Array.isArray(resolvedRoutes)) {
          processResolvedRoutes(resolvedRoutes, route, currentLocation ?? undefined, capturedSpan);
        }
      })
      .catch((e) => {
        DEBUG_BUILD && debug.warn(`Error resolving async handler '${handlerKey}' for route`, route, e);
      });
  } else if (Array.isArray(result)) {
    processResolvedRoutes(result, route, currentLocation ?? undefined, capturedSpan);
  }
}

/**
 * Recursively checks a route for async handlers and sets up Proxies to add discovered child routes to allRoutes when called.
 */
function checkRouteForAsyncHandler(
  route,
  processResolvedRoutes

,
) {
  // Set up proxies for any functions in the route's handle
  if (route.handle && typeof route.handle === 'object') {
    for (const key of Object.keys(route.handle)) {
      const maybeFn = route.handle[key];
      if (typeof maybeFn === 'function' && !(maybeFn ).__sentry_proxied__) {
        route.handle[key] = createAsyncHandlerProxy(maybeFn, route, key, processResolvedRoutes);
      }
    }
  }

  // Recursively check child routes
  if (Array.isArray(route.children)) {
    for (const child of route.children) {
      checkRouteForAsyncHandler(child, processResolvedRoutes);
    }
  }
}

export { checkRouteForAsyncHandler, createAsyncHandlerProxy, handleAsyncHandlerResult };
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