watch Command - watch files/dirs and rerun task on change

lib/FileWatcher.js

@@ -1,6 +1,11 @@
 const chokidar = require('chokidar')
 const logger = require('./logger')
 
+Array.prototype.asyncForEach = async function(callback) { // eslint-disable-line
+  for (let index = 0; index < this.length; index++) {
+    await callback(this[index], index, this)
+  }
+}
 class FileWatcher {
   constructor() {
     this.runner = []
@@ -19,13 +24,19 @@ class FileWatcher {
 
     this.watcher[0]
       .on('add', path =>
-        this.getTaskNames(path).forEach(taskName => runner.runFile(taskName))
+        this.getTaskNames(path).forEach(async taskName => {
+          await runner.runFile(taskName)
+        })
       )
       .on('change', path =>
-        this.getTaskNames(path).forEach(taskName => runner.runFile(taskName))
+        this.getTaskNames(path).forEach(async taskName => {
+          await runner.runFile(taskName)
+        })
       )
       .on('unlink', path =>
-        this.getTaskNames(path).forEach(taskName => runner.runFile(taskName))
+        this.getTaskNames(path).forEach(async taskName => {
+          await runner.runFile(taskName)
+        })
       )
       .on('error', error => logger.log(`Watcher error: ${error}`))
   }