refactor: Remove single-use functions

Author: Jan Krems

lib/_inspect.js

@@ -74,14 +74,6 @@ scripts               List application scripts that are currently loaded
 scripts(true)         List all scripts (including node-internals)
 `.trim();
 
-function throwUnexpectedError(error) {
-  process.nextTick(() => { throw error; });
-}
-
-function delay(ms) {
-  return new Promise((resolve) => setTimeout(resolve, ms));
-}
-
 const ProtocolClient = (function setupClient() {
   const kOpCodeText = 0x1;
   const kOpCodeClose = 0x8;
@@ -1356,7 +1348,7 @@ class NodeInspector {
         });
         this.paused = false;
       })
-      .then(null, throwUnexpectedError);
+      .then(null, (error) => process.nextTick(() => { throw error; }));
   }
 
   suspendReplWhile(fn) {
@@ -1370,7 +1362,7 @@ class NodeInspector {
       this.repl.rli.resume();
       this.repl.displayPrompt();
       this.stdin.resume();
-    }).then(null, throwUnexpectedError);
+    }).then(null, (error) => process.nextTick(() => { throw error; }));
   }
 
   killChild() {
@@ -1401,7 +1393,8 @@ class NodeInspector {
               this.stdout.write(' failed to connect, please retry\n');
               process.exit(1);
             }
-            return delay(500).then(() => attemptConnect());
+
+            return new Promise((resolve) => setTimeout(resolve, 500)).then(attemptConnect);
           });
       };