add missing file

Author: matthargett

packages/react-native-node-api-modules/scripts/platform-utils.ts

@@ -0,0 +1,65 @@
+import { execFileSync, spawnSync } from "node:child_process";
+import { platform } from "node:os";
+
+/**
+ * Get the platform-specific executable name
+ */
+export function getExecutableName(command: string): string {
+  if (platform() === "win32" && !command.endsWith(".exe")) {
+    return `${command}.exe`;
+  }
+  return command;
+}
+
+/**
+ * Find executable in PATH
+ */
+export function findExecutable(command: string): string | null {
+  const execName = getExecutableName(command);
+  
+  if (platform() === "win32") {
+    try {
+      const result = execFileSync("where", [execName], { encoding: "utf-8" });
+      return result.trim().split("\n")[0];
+    } catch {
+      return null;
+    }
+  } else {
+    try {
+      const result = execFileSync("which", [execName], { encoding: "utf-8" });
+      return result.trim();
+    } catch {
+      return null;
+    }
+  }
+}
+
+/**
+ * Execute command with cross-platform support
+ */
+export function execFileSyncCrossPlatform(
+  command: string,
+  args: string[],
+  options?: Parameters<typeof execFileSync>[2]
+): ReturnType<typeof execFileSync> {
+  const executable = findExecutable(command);
+  if (!executable) {
+    throw new Error(`Command '${command}' not found in PATH`);
+  }
+  return execFileSync(executable, args, options);
+}
+
+/**
+ * Spawn command with cross-platform support
+ */
+export function spawnSyncCrossPlatform(
+  command: string,
+  args: string[],
+  options?: Parameters<typeof spawnSync>[2]
+) {
+  const executable = findExecutable(command);
+  if (!executable) {
+    throw new Error(`Command '${command}' not found in PATH`);
+  }
+  return spawnSync(executable, args, options);
+}