Remove old patch

ISLE/emscripten/libwasmfs_fetch.js.patch

@@ -1,128 +0,0 @@
-diff --git a/src/lib/libwasmfs_fetch.js b/src/lib/libwasmfs_fetch.js
-index e8c9f7e21..caf1971d2 100644
---- a/src/lib/libwasmfs_fetch.js
-+++ b/src/lib/libwasmfs_fetch.js
-@@ -38,36 +38,7 @@ addToLibrary({
-       var chunkSize = __wasmfs_fetch_get_chunk_size(file);
-       offset ??= 0;
-       len ??= chunkSize;
--      // In which chunk does the seeked range start?  E.g., 5-14 with chunksize 8 will start in chunk 0.
--      if (!(file in wasmFS$JSMemoryRanges)) {
--        var fileInfo = await fetch(url, {method:'HEAD', headers:{'Range': 'bytes=0-'}});
--        if (fileInfo.ok &&
--            fileInfo.headers.has('Content-Length') &&
--            fileInfo.headers.get('Accept-Ranges') == 'bytes' &&
--            (parseInt(fileInfo.headers.get('Content-Length'), 10) > chunkSize*2)) {
--          var size = parseInt(fileInfo.headers.get('Content-Length'), 10);
--          wasmFS$JSMemoryRanges[file] = {
--            size,
--            chunks: [],
--            chunkSize: chunkSize
--          };
--          len = Math.min(len, size-offset);
--        } else {
--          // may as well/forced to download the whole file
--          var wholeFileReq = await fetch(url);
--          if (!wholeFileReq.ok) {
--            throw wholeFileReq;
--          }
--          var wholeFileData = new Uint8Array(await wholeFileReq.arrayBuffer());
--          var text = new TextDecoder().decode(wholeFileData);
--          wasmFS$JSMemoryRanges[file] = {
--            size: wholeFileData.byteLength,
--            chunks: [wholeFileData],
--            chunkSize: wholeFileData.byteLength
--          };
--          return Promise.resolve();
--        }
--      }
-+
-       var firstChunk = (offset / chunkSize) | 0;
-       // In which chunk does the seeked range end?  E.g., 5-14 with chunksize 8 will end in chunk 1, as will 5-16 (since byte 16 isn't requested).
-       // This will always give us a chunk >= firstChunk since len > 0.
-@@ -76,7 +47,7 @@ addToLibrary({
-       var i;
-       // Do we have all the chunks already?  If so, we don't need to do any fetches.
-       for (i = firstChunk; i <= lastChunk; i++) {
--        if (!wasmFS$JSMemoryRanges[file].chunks[i]) {
-+        if (!(file in wasmFS$JSMemoryRanges) || !wasmFS$JSMemoryRanges[file].chunks[i]) {
-           allPresent = false;
-           break;
-         }
-@@ -90,16 +61,37 @@ addToLibrary({
-       // one request for all the chunks we need, rather than one
-       // request per chunk.
-       var start = firstChunk * chunkSize;
-+
-+      // Out of bounds. No request necessary.
-+      if ((file in wasmFS$JSMemoryRanges) && start >= wasmFS$JSMemoryRanges[file].size) {
-+        return Promise.resolve();
-+      }
-+
-       // We must fetch *up to* the last byte of the last chunk.
-       var end = (lastChunk+1) * chunkSize;
--      var response = await fetch(url, {headers:{'Range': `bytes=${start}-${end-1}`}});
-+      var response = await fetch(url, {headers:{'Range': `bytes=${start}-${end-1}`, 'Accept-Language': wasmFS$language}});
-       if (!response.ok) {
-         throw response;
-       }
--      var bytes = await response['bytes']();
-+
-+      const buffer = await response.arrayBuffer();
-+      const bytes = new Uint8Array(buffer);
-+      if (!(file in wasmFS$JSMemoryRanges)) {
-+        var size = Math.max(
-+          parseInt(response.headers.get('Content-Range').split('/')[1], 10),
-+          bytes.length
-+        );
-+        wasmFS$JSMemoryRanges[file] = {
-+          size,
-+          chunks: [],
-+          chunkSize: chunkSize
-+        };
-+      }
-+
-       for (i = firstChunk; i <= lastChunk; i++) {
-         wasmFS$JSMemoryRanges[file].chunks[i] = bytes.slice(i*chunkSize-start,(i+1)*chunkSize-start);
-       }
-+
-       return Promise.resolve();
-     }
- 
-@@ -156,14 +148,31 @@ addToLibrary({
-         return readLength;
-       },
-       getSize: async (file) => {
--        try {
--          await getFileRange(file, 0, 0);
--        } catch (failedResponse) {
--          return 0;
-+        if (!(file in wasmFS$JSMemoryRanges)) {
-+          try {
-+            await getFileRange(file, undefined, undefined);
-+          } catch (failedResponse) {
-+            return 0;
-+          }
-         }
-         return wasmFS$JSMemoryRanges[file].size;
-       },
-     };
-+ 
-+    wasmFS$language = await (async () => {
-+      try {
-+        const fileHandle = await (await navigator.storage.getDirectory()).getFileHandle('isle.ini');
-+        const content = await (await fileHandle.getFile()).text();
-+        const match = content.match(/^Language\s*=\s*(.*)/m);
-+    
-+        if (match && match[1]) {
-+          return match[1].trim();
-+        }
-+      } catch (e) {
-+        console.warn("Could not read 'isle.ini' or 'Language' key not found. Falling back to 'en'.", e);
-+      }
-+  
-+      return 'en';
-+    })();
-   },
--
- });