Remove custom fallback handling for index.html, it is no longer necessary

Author: n4bb12

lib/fastify-static.ts

@@ -1,60 +1,18 @@
-import { FastifyInstance } from "fastify"
 import fastifyStatic from "@fastify/static"
-import globby from "globby"
+import { FastifyInstance } from "fastify"
 import path from "path"
 
-import { Config, StaticFallbacks } from "./types"
-
-//
-// Unfortunately I couldn't make fastify-static add a fallback to /path/index.html when /path is requested.
-// Therefore this collects those fallbacks once on startup.
-//
-function collectFallbacks(staticDir: string) {
-  const files = globby.sync("", { cwd: staticDir, onlyFiles: true })
-
-  const fallbacks = files.reduce((result, filename) => {
-    if (!filename.includes("/")) {
-      return result
-    }
-    if (!filename.endsWith(".html") && !filename.endsWith(".htm")) {
-      return result
-    }
-
-    const directory = path.dirname(filename)
-    const url = "/" + directory
-
-    if (result[url]) {
-      return result
-    }
-
-    if (!result[directory]) {
-      const fallbackDir = path.resolve(staticDir, directory)
-      result["/" + directory] = fallbackDir
-    }
-
-    return result
-  }, {} as StaticFallbacks)
-
-  return fallbacks
-}
+import { Config } from "./types"
 
 //
 // https://github.com/fastify/fastify-static#fastify-static
 //
 export function registerServeStatic(server: FastifyInstance, config: Config) {
-  const fallbacks = collectFallbacks(config.staticDir)
-
-  server.setNotFoundHandler(async (req, res) => {
-    const fallbackDir = fallbacks[req.url]
-    if (fallbackDir) {
-      res.sendFile("index.html", fallbackDir)
-    } else {
-      res.sendFile("index.html", config.staticDir)
-    }
-  })
-
   server.register(fastifyStatic, {
     root: path.resolve(config.staticDir),
-    extensions: ["html", "htm"],
+  })
+
+  server.setNotFoundHandler(function (request, reply) {
+    reply.sendFile("index.html")
   })
 }

package.json

@@ -31,7 +31,6 @@
     "@fastify/static": "^6.11.2",
     "axios": "^1.5.0",
     "fastify": "^4.23.2",
-    "globby": "^11.1.0",
     "nanoid": "^3.3.6",
     "ow": "^0.26.0"
   },