@sentry/nextjs/build/esm/client/routing/parameterization.js

Official Sentry SDK for Next.js

import { GLOBAL_OBJ, debug } from '@sentry/core';
import { DEBUG_BUILD } from '../../common/debug-build.js';

const globalWithInjectedManifest = GLOBAL_OBJ;
let cachedManifest = null;
let cachedManifestString = void 0;
const compiledRegexCache = /* @__PURE__ */ new Map();
const routeResultCache = /* @__PURE__ */ new Map();
const globalWithInjectedBasePath = GLOBAL_OBJ;
function stripTrailingSlash(pathname) {
  return pathname.length > 1 && pathname.endsWith("/") ? pathname.slice(0, -1) : pathname;
}
function stripBasePath(pathname) {
  const basePath = process.env._sentryBasePath ?? globalWithInjectedBasePath._sentryBasePath;
  return basePath && (pathname === basePath || pathname.startsWith(`${basePath}/`)) ? pathname.slice(basePath.length) || "/" : pathname;
}
const SEGMENT_STATIC = 0;
const SEGMENT_DYNAMIC = 1;
const SEGMENT_END = 2;
const SEGMENT_CATCH_ALL = 3;
const SEGMENT_OPTIONAL_CATCH_ALL = 4;
function getSegmentSpecificity(segment) {
  if (segment === void 0) {
    return SEGMENT_END;
  }
  if (!segment.startsWith(":")) {
    return SEGMENT_STATIC;
  }
  const paramName = segment.substring(1);
  if (paramName.endsWith("*?")) {
    return SEGMENT_OPTIONAL_CATCH_ALL;
  }
  if (paramName.endsWith("*")) {
    return SEGMENT_CATCH_ALL;
  }
  return SEGMENT_DYNAMIC;
}
function compareRouteSpecificity(routePathA, routePathB) {
  const segmentsA = routePathA.split("/").filter(Boolean);
  const segmentsB = routePathB.split("/").filter(Boolean);
  const comparedSegmentCount = Math.min(segmentsA.length, segmentsB.length) + 1;
  for (let i = 0; i < comparedSegmentCount; i++) {
    const difference = getSegmentSpecificity(segmentsA[i]) - getSegmentSpecificity(segmentsB[i]);
    if (difference !== 0) {
      return difference;
    }
  }
  return 0;
}
function getCompiledRegex(regexString) {
  if (compiledRegexCache.has(regexString)) {
    return compiledRegexCache.get(regexString) ?? null;
  }
  try {
    const regex = new RegExp(regexString);
    compiledRegexCache.set(regexString, regex);
    return regex;
  } catch (error) {
    DEBUG_BUILD && debug.warn("Could not compile regex", { regexString, error });
    return null;
  }
}
function getManifest() {
  if (!globalWithInjectedManifest?._sentryRouteManifest || typeof globalWithInjectedManifest._sentryRouteManifest !== "string") {
    return null;
  }
  const currentManifestString = globalWithInjectedManifest._sentryRouteManifest;
  if (cachedManifest && cachedManifestString === currentManifestString) {
    return cachedManifest;
  }
  compiledRegexCache.clear();
  routeResultCache.clear();
  let manifest = {
    staticRoutes: [],
    dynamicRoutes: []
  };
  try {
    manifest = JSON.parse(currentManifestString);
    if (!Array.isArray(manifest.staticRoutes) || !Array.isArray(manifest.dynamicRoutes)) {
      return null;
    }
    cachedManifest = manifest;
    cachedManifestString = currentManifestString;
    return manifest;
  } catch {
    DEBUG_BUILD && debug.warn("Could not extract route manifest");
    return null;
  }
}
function findMatchingRoutes(route, staticRoutes, dynamicRoutes) {
  const matches = [];
  if (staticRoutes.some((r) => r.path === route)) {
    return [route];
  }
  for (const dynamicRoute of dynamicRoutes) {
    if (dynamicRoute.regex) {
      const regex = getCompiledRegex(dynamicRoute.regex);
      if (regex?.test(route)) {
        matches.push(dynamicRoute.path);
      }
    }
  }
  if (!route.startsWith("/:")) {
    for (const dynamicRoute of dynamicRoutes) {
      if (dynamicRoute.hasOptionalPrefix && dynamicRoute.regex) {
        const routeWithPrefix = route === "/" ? "/SENTRY_OPTIONAL_PREFIX" : `/SENTRY_OPTIONAL_PREFIX${route}`;
        const regex = getCompiledRegex(dynamicRoute.regex);
        if (regex?.test(routeWithPrefix)) {
          matches.push(dynamicRoute.path);
        }
      }
    }
  }
  return matches;
}
const maybeParameterizeRoute = (route) => {
  const manifest = getManifest();
  if (!manifest) {
    return void 0;
  }
  const normalizedRoute = route.length > 1 && route.endsWith("/") ? route.slice(0, -1) : route;
  if (routeResultCache.has(normalizedRoute)) {
    return routeResultCache.get(normalizedRoute);
  }
  const { staticRoutes, dynamicRoutes } = manifest;
  if (!Array.isArray(staticRoutes) || !Array.isArray(dynamicRoutes)) {
    return void 0;
  }
  const matches = findMatchingRoutes(normalizedRoute, staticRoutes, dynamicRoutes);
  const result = matches.sort(compareRouteSpecificity)[0];
  routeResultCache.set(normalizedRoute, result);
  return result;
};

export { getManifest, maybeParameterizeRoute, stripBasePath, stripTrailingSlash };
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