Add PATH_PREFIX variable

src/index.ts

@@ -2,7 +2,8 @@ import parseRange from "range-parser";
 
 interface Env {
   R2_BUCKET: R2Bucket,
-  CACHE_CONTROL?: string
+  CACHE_CONTROL?: string,
+  PATH_PREFIX?: string
 }
 
 type ParsedRange = { offset: number, length: number } | { suffix: number };
@@ -42,7 +43,7 @@ export default {
 
     if (!response || !response.ok) {
       console.warn("Cache miss");
-      const path = decodeURIComponent(url.pathname.substring(1));
+      const path = (env.PATH_PREFIX || "") + decodeURIComponent(url.pathname.substring(1));
 
       let file: R2Object | R2ObjectBody | null | undefined;
 

wrangler.toml

@@ -8,8 +8,10 @@ workers_dev = true
 [vars]
 # The `cache-control` header: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control. Optional, the `cache-control` header is omitted if unset.
 CACHE_CONTROL = "max-age=86400"
+# The string to prepend to each file path. Optional, nothing is prepended to the path if unset.
+PATH_PREFIX = ""
 
 [[r2_buckets]]
 binding = "R2_BUCKET"
 bucket_name = "kot"         # Set this to your R2 bucket name. Required
-preview_bucket_name = "kot" # Set this to your preview R2 bucket name. Can be equal to bucket_name. Optional
+preview_bucket_name = "kot" # Set this to your preview R2 bucket name. Can be equal to bucket_name. Optional