refactor: replace uuid with node's crypto module

package.json

@@ -28,9 +28,6 @@
   "bugs": {
     "url": "https://github.com/merencia/node-cron/issues"
   },
-  "dependencies": {
-    "uuid": "8.3.2"
-  },
   "devDependencies": {
     "chai": "^4.2.0",
     "eslint": "^5.7.0",

src/background-scheduled-task/index.js

@@ -1,7 +1,7 @@
 const EventEmitter = require('events');
 const path = require('path');
 const { fork } = require('child_process');
-const uuid = require('uuid');
+const { randomUUID } = require('crypto');
 
 const daemonPath = `${__dirname}/daemon.js`;
 
@@ -17,7 +17,7 @@ class BackgroundScheduledTask extends EventEmitter {
         this.cronExpression = cronExpression;
         this.taskPath = taskPath;
         this.options = options;
-        this.options.name = this.options.name || uuid.v4();
+        this.options.name = this.options.name || randomUUID();
 
         if(options.scheduled){
             this.start();

src/scheduled-task.js

@@ -3,7 +3,7 @@
 const EventEmitter = require('events');
 const Task = require('./task');
 const Scheduler = require('./scheduler');
-const uuid = require('uuid');
+const { randomUUID } = require('crypto');
 
 class ScheduledTask extends EventEmitter {
     constructor(cronExpression, func, options) {
@@ -16,7 +16,7 @@ class ScheduledTask extends EventEmitter {
         }
 
         this.options = options;
-        this.options.name = this.options.name || uuid.v4();
+        this.options.name = this.options.name || randomUUID();
 
         this._task = new Task(func);
         this._scheduler = new Scheduler(cronExpression, options.timezone, options.recoverMissedExecutions);

src/storage.js

@@ -1,3 +1,5 @@
+const { randomUUID } = require('crypto');
+
 module.exports = (() => {
     if(!global.scheduledTasks){
         global.scheduledTasks = new Map();
@@ -6,9 +8,8 @@ module.exports = (() => {
     return {
         save: (task) => {
             if(!task.options){
-                const uuid = require('uuid');
                 task.options = {};
-                task.options.name = uuid.v4();
+                task.options.name = randomUUID();
             }
             global.scheduledTasks.set(task.options.name, task);
         },