fix: allow reading rawLeaves in MFS (#4282)

If you write to an MFS directory with `rawLeaves: true`, it'll error out when doing a read saying `Error: /example-0/example.txt was not a file`.

This accounts for that case by handling the `raw` type the same as a file.

Co-authored-by: Mauve Signweaver <RangerMauve@mauve.moe>
Co-authored-by: Alex Potsides <alex@achingbrain.net>

packages/interface-ipfs-core/src/files/read.js

@@ -112,6 +112,15 @@ export function testRead (factory, options) {
       expect(testFileData).to.eql(fixtures.smallFile.data)
     })
 
+    it('should be able to read rawLeaves files', async () => {
+      const { cid } = await ipfs.add(fixtures.smallFile.data, {
+        rawLeaves: true
+      })
+      await ipfs.files.cp(`/ipfs/${cid}`, '/raw-leaves.txt')
+      const testFileData = uint8ArrayConcat(await all(ipfs.files.read('/raw-leaves.txt')))
+      expect(testFileData).to.eql(fixtures.smallFile.data)
+    })
+
     describe('with sharding', () => {
       /** @type {import('ipfs-core-types').IPFS} */
       let ipfs

packages/ipfs-core/src/components/files/read.js

@@ -39,8 +39,8 @@ export function createRead (context) {
         const mfsPath = await toMfsPath(context, path, options)
         const result = await exporter(mfsPath.mfsPath, context.repo.blocks)
 
-        if (result.type !== 'file') {
-          throw errCode(new Error(`${path} was not a file`), 'ERR_NOT_FILE')
+        if (result.type !== 'file' && result.type !== 'raw') {
+          throw errCode(new Error(`${path} was not a file or raw bytes`), 'ERR_NOT_FILE')
         }
 
         if (!result.content) {