Changed onTick and onComplete to be asynchronous.

Change-log:
[NEW] Async keyword for onTick function
[NEW] Async keyword for onComplete function
[UPDATE] README.md
[UPDATE] dependency versions

README.md

@@ -25,12 +25,12 @@ module.exports = class Hello extends BaseCron {
     }
 
     //override
-    onTick() {
+    async onTick() {
         console.log('Hello from cron job.');
     }
 
     //override
-    onComplete() {
+    async onComplete() {
         console.log('Finished.');
     }
 
@@ -51,11 +51,20 @@ hello.start();
 
 - start - starts the cron job
 - stop - stops the cron job
-- onTick - function which will be trigger on each tick
-- onComplete - function which will be triggerd when the job is stopped
+- *async* onTick - function which will be trigger on each tick
+- *async* onComplete - function which will be triggerd when the job is stopped
 - isCronRunning - checks if the cron job is running
 - getCronInstance - will return you an instance of *CronJob* from wrapped *[cron](https://www.npmjs.com/package/cron)* npm package
 
+# Cron Ranges
+
+- Seconds: 0-59
+- Minutes: 0-59
+- Hours: 0-23
+- Day of Month: 1-31
+- Months: 0-11 (Jan-Dec)
+- Day of Week: 0-6 (Sun-Sat)
+
 # [Contribution](https://github.com/nemanjapetrovic/cron-es6/blob/master/CONTRIBUTING.md)
 
 Feel free to contribute by forking this repository, making some changes, and submitting pull requests. For any questions or advice place an issue on this repository.

examples/hello.example.js

@@ -3,24 +3,34 @@
  */
 const BaseCron = require('../index');
 
+async function fooAsync() {
+    console.log('hello from async func');
+}
+
 let counter = 0;
 class Hello extends BaseCron {
 
     constructor() {
         super('Hello', '* * * * * *');
     }
 
-    onTick() {
-        console.log('***Hello from cron job.');
+    async onTick() {
+        console.log('Next tick:');
+
+        try {
+            await fooAsync();
+        } catch (err) {
+            console.log(err);
+        }
 
         counter++;
         if (counter === 3) {
             this.stop();
         }
     }
 
-    onComplete() {
-        console.log(`Complete successful: ${counter}`);
+    async onComplete() {
+        console.log(`------------\nComplete successful: ${counter}`);
         console.log(`is cron running: ${hello.isCronRunning()}`);
     }
 
@@ -29,4 +39,4 @@ class Hello extends BaseCron {
 let hello = new Hello();
 console.log('starting cron');
 hello.start();
-console.log(`is cron running: ${hello.isCronRunning()}`);
+console.log(`is cron running: ${hello.isCronRunning()}\n------------`);

index.js

@@ -5,7 +5,7 @@ const cron = require('cron').CronJob;
  *
  * @class BaseCron
  */
-module.exports = class BaseCron {
+class BaseCron {
 
     /**
      * Creates an instance of BaseCron.
@@ -51,7 +51,7 @@ module.exports = class BaseCron {
      * @public
      * @memberof BaseCron
      */
-    onTick() {
+    async onTick() {
         throw new Error('ERR_METHOD_NOT_IMPLEMENTED');
     }
 
@@ -61,7 +61,7 @@ module.exports = class BaseCron {
      * @public
      * @memberof BaseCron
      */
-    onComplete() {
+    async onComplete() {
         throw new Error('ERR_METHOD_NOT_IMPLEMENTED');
     }
 
@@ -85,4 +85,6 @@ module.exports = class BaseCron {
         return this._cronJob.running;
     }
 
-};
+};
+
+module.exports = BaseCron;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cron-es6",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "ES6 (ECMAScript 2015) node cron wrapper around https://www.npmjs.com/package/cron npm package.",
   "main": "index.js",
   "author": "Nemanja Petrovic <nempet@protonmail.com>",
@@ -19,7 +19,7 @@
     "node-cron-es6"
   ],
   "dependencies": {
-    "cron": "^1.4.1"
+    "cron": "^1.5.0"
   },
   "bugs": {
     "url": "https://github.com/nemanjapetrovic/cron-es6/issues",