rescript.js: use a switch statement

Author: cknitt

cli/rescript.js

@@ -14,24 +14,25 @@ try {
     const subcommand = args[firstPositionalArgIndex];
     const subcommandWithArgs = args.slice(firstPositionalArgIndex);
 
-    if (
-      subcommand === "build" ||
-      subcommand === "watch" ||
-      subcommand === "clean" ||
-      subcommand === "compiler-args" ||
-      subcommand === "format"
-    ) {
-      child_process.execFileSync(
-        rescript_exe,
-        [...subcommandWithArgs, "--bsc-path", bsc_exe],
-        {
+    switch (subcommand) {
+      case "build":
+      case "watch":
+      case "clean":
+      case "compiler-args":
+      case "format":
+        child_process.execFileSync(
+          rescript_exe,
+          [...subcommandWithArgs, "--bsc-path", bsc_exe],
+          {
+            stdio: "inherit",
+          },
+        );
+        break;
+      default:
+        child_process.execFileSync(rescript_exe, [...args], {
           stdio: "inherit",
-        },
-      );
-    } else {
-      child_process.execFileSync(rescript_exe, [...args], {
-        stdio: "inherit",
-      });
+        });
+        break;
     }
   } else {
     // no subcommand means build subcommand