lib: use primordial

replace spread operator with priordial

Author: hotpineapple

lib/child_process.js

@@ -157,8 +157,12 @@ function fork(modulePath, args = [], options) {
     }
   }
 
-  args = [...execArgv, modulePath, ...args];
+  const newArgs = ArrayPrototypeSlice(execArgv);
+  ArrayPrototypePush(newArgs, modulePath);
 
+  ArrayPrototypePushApply(newArgs, args);
+
+  args = newArgs;
   if (typeof options.stdio === 'string') {
     options.stdio = stdioStringToArray(options.stdio, 'ipc');
   } else if (!ArrayIsArray(options.stdio)) {
@@ -648,7 +652,8 @@ function normalizeSpawnArguments(file, args, options) {
         'DEP0190');
       emittedDEP0190Already = true;
     }
-    const command = ArrayPrototypeJoin([file, ...args], ' ');
+
+    const command = args.length > 0 ?  `${file} ${ArrayPrototypeJoin(args, ' ')}` : file;
     // Set the shell, switches, and commands.
     if (process.platform === 'win32') {
       if (typeof options.shell === 'string')