style: order watch shutdown helpers top down

Author: bcomnes

lib/watch/index.js

@@ -27,6 +27,29 @@ const watch = function (args, ignoreWatch, verboseWatch, followWatch) {
     process.removeListener('uncaughtException', onUncaughtException)
   }
 
+  function shutdown (signal) {
+    if (stopping) return stopping
+    allStop = true
+    const childrenClosed = Array.from(liveChildren, closeChild)
+    stopping = finishShutdown(signal, childrenClosed)
+    return stopping
+  }
+
+  async function finishShutdown (signal, childrenClosed) {
+    const results = await Promise.allSettled([
+      closeWatcher(),
+      ...childrenClosed
+    ])
+    removeListeners()
+    const failure = results.find(result => result.status === 'rejected')
+    if (failure) {
+      console.error(failure.reason)
+      process.exitCode = 1
+    } else {
+      process.exitCode = signal === 'SIGINT' ? 130 : 143
+    }
+  }
+
   async function closeWatcher () {
     await watcher.close()
   }
@@ -49,29 +72,6 @@ const watch = function (args, ignoreWatch, verboseWatch, followWatch) {
       }
     })
   }
-
-  async function finishShutdown (signal, childrenClosed) {
-    const results = await Promise.allSettled([
-      closeWatcher(),
-      ...childrenClosed
-    ])
-    removeListeners()
-    const failure = results.find(result => result.status === 'rejected')
-    if (failure) {
-      console.error(failure.reason)
-      process.exitCode = 1
-    } else {
-      process.exitCode = signal === 'SIGINT' ? 130 : 143
-    }
-  }
-
-  function shutdown (signal) {
-    if (stopping) return stopping
-    allStop = true
-    const childrenClosed = Array.from(liveChildren, closeChild)
-    stopping = finishShutdown(signal, childrenClosed)
-    return stopping
-  }
   const onSigint = () => { shutdown('SIGINT') }
   const onSigterm = () => { shutdown('SIGTERM') }
   const stop = (watcher = null, err = null) => {