Fix some type issues

packages/snaps-browserify-plugin/src/types/vendor/readable-stream.d.ts

@@ -0,0 +1,10 @@
+// eslint-disable-next-line import/unambiguous
+declare module 'readable-stream' {
+  export type {
+    DuplexOptions,
+    Readable,
+    Writable,
+    TransformCallback,
+  } from 'stream';
+  export { Transform, Duplex, pipeline } from 'stream';
+}

packages/snaps-controllers/src/snaps/location/npm.ts

@@ -201,7 +201,7 @@ export class NpmLocation implements SnapLocation {
           `${canonicalBase}/${this.meta.packageName}/`,
           this.files,
         ),
-        (error) => {
+        (error: unknown) => {
           error ? reject(error) : resolve();
         },
       );

packages/snaps-controllers/src/types/vendor/readable-stream.d.ts

@@ -1,5 +1,10 @@
 // eslint-disable-next-line import/unambiguous
 declare module 'readable-stream' {
-  export type { TransformCallback } from 'stream';
+  export type {
+    DuplexOptions,
+    Readable,
+    Writable,
+    TransformCallback,
+  } from 'stream';
   export { Duplex, pipeline } from 'stream';
 }

packages/snaps-execution-environments/src/types/vendor/readable-stream.d.ts

@@ -1,5 +1,10 @@
 // eslint-disable-next-line import/unambiguous
 declare module 'readable-stream' {
-  export type { DuplexOptions, Readable, TransformCallback } from 'stream';
+  export type {
+    DuplexOptions,
+    Readable,
+    Writable,
+    TransformCallback,
+  } from 'stream';
   export { Duplex, pipeline } from 'stream';
 }

packages/snaps-simulator/src/features/simulation/sagas.ts

@@ -183,7 +183,7 @@ export function* initSaga({ payload }: PayloadAction<string>) {
       const mux = setupMultiplex(rpcStream, 'snapStream');
       const stream = mux.createStream('metamask-provider');
       const providerStream = createEngineStream({ engine });
-      pipeline(stream, providerStream, stream, (error) => {
+      pipeline(stream, providerStream, stream, (error: unknown) => {
         if (error) {
           logError(`Provider stream failure.`, error);
         }