fix: allow UInt8Array in pathToFilename

This seems reasonable, considering memfs supports the browser,
and users are more likely to have instances of Uint8Array there.

src/__tests__/volume.test.ts

@@ -387,7 +387,7 @@ describe('volume', () => {
           throw Error('This should not throw');
         } catch (err) {
           expect(err).toBeInstanceOf(TypeError);
-          expect(err.message).toBe('path must be a string or Buffer');
+          expect(err.message).toBe('path must be a string, Buffer, or Uint8Array');
         }
       });
       it('Invalid flags correct error code', () => {
@@ -451,7 +451,7 @@ describe('volume', () => {
           throw Error('This should not throw');
         } catch (err) {
           expect(err).toBeInstanceOf(TypeError);
-          expect(err.message).toBe('path must be a string or Buffer');
+          expect(err.message).toBe('path must be a string, Buffer, or Uint8Array');
           done();
         }
       });

src/__tests__/volume/__snapshots__/renameSync.test.ts.snap

@@ -1,7 +1,7 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`renameSync(fromPath, toPath) Throws if path is of wrong type 1`] = `"path must be a string or Buffer"`;
+exports[`renameSync(fromPath, toPath) Throws if path is of wrong type 1`] = `"path must be a string, Buffer, or Uint8Array"`;
 
-exports[`renameSync(fromPath, toPath) Throws on no params 1`] = `"path must be a string or Buffer"`;
+exports[`renameSync(fromPath, toPath) Throws on no params 1`] = `"path must be a string, Buffer, or Uint8Array"`;
 
-exports[`renameSync(fromPath, toPath) Throws on only one param 1`] = `"path must be a string or Buffer"`;
+exports[`renameSync(fromPath, toPath) Throws on only one param 1`] = `"path must be a string, Buffer, or Uint8Array"`;

src/node/constants.ts

@@ -8,7 +8,7 @@ export const enum MODE {
 }
 
 export const ERRSTR = {
-  PATH_STR: 'path must be a string or Buffer',
+  PATH_STR: 'path must be a string, Buffer, or Uint8Array',
   // FD:             'file descriptor must be a unsigned 32-bit integer',
   FD: 'fd must be a file descriptor',
   MODE_INT: 'mode must be an int',

src/node/util.ts

@@ -72,6 +72,9 @@ function getPathFromURLPosix(url): string {
 }
 
 export function pathToFilename(path: misc.PathLike): string {
+  if (path instanceof Uint8Array) {
+    path = bufferFrom(path);
+  }
   if (typeof path !== 'string' && !Buffer.isBuffer(path)) {
     try {
       if (!(path instanceof require('url').URL)) throw new TypeError(ERRSTR.PATH_STR);