src: use itty-router for routing requests

Closes #122

Signed-off-by: flakey5 <[email protected]>

package.json

@@ -23,16 +23,17 @@
     "eslint-config-prettier": "^9.0.0",
     "eslint-plugin-prettier": "^5.0.0",
     "glob": "^10.3.10",
+    "nodejs-latest-linker": "^1.7.0",
     "prettier": "^3.0.3",
     "terser": "^5.20.0",
     "tsx": "^4.7.2",
     "typescript": "^5.2.2",
-    "wrangler": "^3.22.1",
-    "nodejs-latest-linker": "^1.7.0"
+    "wrangler": "^3.22.1"
   },
   "dependencies": {
     "@aws-sdk/client-s3": "^3.423.0",
     "handlebars": "^4.7.8",
+    "itty-router": "^5.0.17",
     "toucan-js": "^3.3.1",
     "zod": "^3.22.3"
   }

src/constants/cache.ts

@@ -1,5 +1,3 @@
-export const CACHE = caches.default;
-
 export const CACHE_HEADERS = {
   success: 'public, max-age=3600, s-maxage=14400',
   failure: 'private, no-cache, no-store, max-age=0, must-revalidate',

src/constants/r2Prefixes.ts

@@ -7,14 +7,6 @@ import map from './redirectLinks.json' assert { type: 'json' };
 
 export const REDIRECT_MAP = new Map(map as [string, string][]);
 
-export const DIST_PATH_PREFIX = 'nodejs/release';
-
-export const DOWNLOAD_PATH_PREFIX = 'nodejs';
-
-export const DOCS_PATH_PREFIX = 'nodejs/docs';
-
-export const API_PATH_PREFIX = `${REDIRECT_MAP.get('nodejs/docs/latest')}/api`;
-
 export const VIRTUAL_DIRS: Record<string, Set<string>> = {
   'docs/': new Set(
     [...REDIRECT_MAP]
@@ -23,16 +15,3 @@ export const VIRTUAL_DIRS: Record<string, Set<string>> = {
       .map(([key]) => key.substring('nodejs/docs/'.length) + '/')
   ),
 };
-
-export const URL_TO_BUCKET_PATH_MAP: Record<string, (path: string) => string> =
-  {
-    dist: (path): string =>
-      DIST_PATH_PREFIX + (path.substring('/dist'.length) || '/'),
-    download: (path): string =>
-      DOWNLOAD_PATH_PREFIX + (path.substring('/download'.length) || '/'),
-    docs: (path): string =>
-      DOCS_PATH_PREFIX + (path.substring('/docs'.length) || '/'),
-    api: (path): string =>
-      API_PATH_PREFIX + (path.substring('/api'.length) || '/'),
-    metrics: (path): string => path.substring(1), // substring to cut off the /
-  };

src/env.ts

@@ -24,32 +24,10 @@ export interface Env {
    * Bucket name
    */
   BUCKET_NAME: string;
-  /**
-   * Directory listing toggle
-   *  on - Enabled for all paths
-   *  restricted - Directory listing enabled only for paths we want to be listed
-   *  off - No directory
-   * In prod, this should *always* be restricted
-   */
-  DIRECTORY_LISTING: 'on' | 'restricted' | 'off';
-  /**
-   * Api key for /_cf/cache-purge. If undefined, the endpoint is disabled.
-   */
-  CACHE_PURGE_API_KEY?: string;
   /**
    * Sentry DSN, used for error monitoring
    * If missing, Sentry isn't used
    */
   SENTRY_DSN?: string;
-  /**
-   * If true and all retries to R2 fail, we will rewrite the request to
-   *  https://direct.nodejs.org
-   */
-  USE_FALLBACK_WHEN_R2_FAILS: boolean;
-  /**
-   * Host for the www/Digital Ocean/origin server
-   */
-  FALLBACK_HOST: string;
-
   ORIGIN_HOST: string;
 }