fix(striker-ui-api): consolidate system calls into shell module

striker-ui-api/src/lib/mkfifo.ts

@@ -1,18 +0,0 @@
-import { spawnSync } from 'child_process';
-
-import SERVER_PATHS from './consts/SERVER_PATHS';
-
-export const mkfifo = (...args: string[]) => {
-  const { error, stderr } = spawnSync(SERVER_PATHS.usr.bin.mkfifo.self, args, {
-    encoding: 'utf-8',
-    timeout: 3000,
-  });
-
-  if (error) {
-    throw error;
-  }
-
-  if (stderr) {
-    throw new Error(stderr);
-  }
-};

striker-ui-api/src/lib/shell.ts

@@ -0,0 +1,28 @@
+import { spawnSync } from 'child_process';
+
+import SERVER_PATHS from './consts/SERVER_PATHS';
+
+const systemCall = (
+  ...[command, args = [], options = {}]: Parameters<typeof spawnSync>
+) => {
+  const { error, stderr, stdout } = spawnSync(command, args, {
+    ...options,
+    encoding: 'utf-8',
+  });
+
+  if (error) {
+    throw error;
+  }
+
+  if (stderr) {
+    throw new Error(stderr);
+  }
+
+  return stdout;
+};
+
+export const mkfifo = (...args: string[]) =>
+  systemCall(SERVER_PATHS.usr.bin.mkfifo.self, args);
+
+export const rm = (...args: string[]) =>
+  systemCall(SERVER_PATHS.usr.bin.rm.self, args);