Extract processOpts to be an argument

src/bin.ts

@@ -36,6 +36,7 @@ run(
     outputFilePath: output,
     optimizeSpeed,
     verbose,
+    processOpts: { stdio: ['inherit', 'ignore', 'inherit'] },
   },
   console.log.bind(console),
 ).catch((e) => {

src/index.ts

@@ -3,10 +3,17 @@ import * as Run from './run';
 export async function run(options: {
   inputFilePath: string | undefined,
   outputFilePath: string | null,
-  optimizeSpeed: boolean
+  optimizeSpeed: boolean,
+  processOpts: {
+    stdio: [string, string, string],
+  } | null,
 }) {
   return Run.run(
-    { ...options, verbose: false },
+    {
+      ...options,
+      verbose: false,
+      processOpts: options.processOpts || { stdio: ['inherit', 'ignore', 'inherit'] },
+    },
     () => { }
   );
 }

src/run.ts

@@ -15,6 +15,7 @@ export async function run(
     outputFilePath: string | null,
     optimizeSpeed: boolean,
     verbose: boolean,
+    processOpts: { stdio: [string, string, string] },
   },
   log: (message?: any, ...optionalParams: any[]) => void
 ) {