refactor: replace deprecated util._extend with Object.assign

constants.js

@@ -109,4 +109,4 @@ var csts = {
 
 };
 
-module.exports = util._extend(csts, path_structure);
+module.exports = Object.assign(csts, path_structure);

lib/API.js

@@ -81,7 +81,7 @@ class API {
     if (opts.pm2_home) {
       // Override default conf file
       this.pm2_home = opts.pm2_home;
-      conf = util._extend(conf, path_structure(this.pm2_home));
+      conf = Object.assign(conf, path_structure(this.pm2_home));
     }
     else if (opts.independent == true && conf.IS_WINDOWS === false) {
       // Create an unique pm2 instance
@@ -93,7 +93,7 @@ class API {
       // It will go as in proc
       if (typeof(opts.daemon_mode) == 'undefined')
         this.daemon_mode = false;
-      conf = util._extend(conf, path_structure(this.pm2_home));
+      conf = Object.assign(conf, path_structure(this.pm2_home));
     }
 
     this._conf = conf;
@@ -876,7 +876,7 @@ class API {
         resolved_paths.env['PM2_HOME'] = that.pm2_home;
 
         var additional_env = Modularizer.getAdditionalConf(resolved_paths.name);
-        util._extend(resolved_paths.env, additional_env);
+        Object.assign(resolved_paths.env, additional_env);
 
         // Is KM linked?
         resolved_paths.km_link = that.gl_is_km_linked;
@@ -1072,7 +1072,7 @@ class API {
         // Notice: if people use the same name in different apps,
         //         duplicated envs will be overrode by the last one
         var env = envs.reduce(function(e1, e2){
-          return util._extend(e1, e2);
+          return Object.assign(e1, e2);
         });
 
         // When we are processing JSON, allow to keep the new env by default
@@ -1147,7 +1147,7 @@ class API {
         resolved_paths.env['PM2_HOME'] = that.pm2_home;
 
         var additional_env = Modularizer.getAdditionalConf(resolved_paths.name);
-        util._extend(resolved_paths.env, additional_env);
+        Object.assign(resolved_paths.env, additional_env);
 
         resolved_paths.env = Common.mergeEnvironmentVariables(resolved_paths, opts.env, deployConf);
 
@@ -1368,7 +1368,7 @@ class API {
             if (conf.PM2_PROGRAMMATIC == true)
               new_env = Common.safeExtend({}, process.env);
             else
-              new_env = util._extend({}, process.env);
+              new_env = Object.assign({}, process.env);
 
             Object.keys(envs).forEach(function(k) {
               new_env[k] = envs[k];
@@ -1510,7 +1510,7 @@ class API {
          * if yes load configuration variables and merge with the current environment
          */
           var additional_env = Modularizer.getAdditionalConf(process_name);
-          util._extend(envs, additional_env);
+          Object.assign(envs, additional_env);
           return processIds(ids, cb);
         }
 
@@ -1529,7 +1529,7 @@ class API {
            * if yes load configuration variables and merge with the current environment
            */
           var ns_additional_env = Modularizer.getAdditionalConf(process_name);
-          util._extend(envs, ns_additional_env);
+          Object.assign(envs, ns_additional_env);
           return processIds(ns_process_ids, cb);
         });
       });

lib/Client.js

@@ -257,9 +257,9 @@ Client.prototype.launchDaemon = function(opts, cb) {
     detached   : true,
     cwd        : that.conf.cwd || process.cwd(),
     windowsHide: true,
-    env        : util._extend({
-      'SILENT'      : that.conf.DEBUG ? !that.conf.DEBUG : true,
-      'PM2_HOME'   : that.pm2_home
+    env        : Object.assign({
+      'SILENT'    : that.conf.DEBUG ? !that.conf.DEBUG : true,
+      'PM2_HOME'  : that.pm2_home
     }, process.env),
     stdio      : ['ipc', out, err]
   });

lib/Common.js

@@ -208,7 +208,7 @@ Common.prepareAppConf = function(opts, app) {
   app.env = [
     {}, (app.filter_env && app.filter_env.length > 0) ? filterEnv(process.env) : env, app.env || {}
   ].reduce(function(e1, e2){
-    return util._extend(e1, e2);
+    return Object.assign(e1, e2);
   });
 
   app.pm_cwd = cwd;
@@ -593,19 +593,19 @@ Common.mergeEnvironmentVariables = function(app_env, env_name, deploy_conf) {
   /**
    * Extra configuration update
    */
-  util._extend(new_conf, app)
+  Object.assign(new_conf, app);
 
   if (env_name) {
     // First merge variables from deploy.production.env object as least priority.
     if (deploy_conf && deploy_conf[env_name] && deploy_conf[env_name]['env']) {
-      util._extend(new_conf.env, deploy_conf[env_name]['env']);
+      Object.assign(new_conf.env, deploy_conf[env_name]['env']);
     }
 
-    util._extend(new_conf.env, app.env);
+    Object.assign(new_conf.env, app.env);
 
     // Then, last and highest priority, merge the app.env_production object.
     if ('env_' + env_name in app) {
-      util._extend(new_conf.env, app['env_' + env_name]);
+      Object.assign(new_conf.env, app['env_' + env_name]);
     }
     else {
       Common.printOut(cst.PREFIX_MSG_WARNING + chalk.bold('Environment [%s] is not defined in process file'), env_name);
@@ -618,8 +618,8 @@ Common.mergeEnvironmentVariables = function(app_env, env_name, deploy_conf) {
     current_conf: {}
   }
 
-  util._extend(res, new_conf.env)
-  util._extend(res.current_conf, new_conf)
+  Object.assign(res, new_conf.env);
+  Object.assign(res.current_conf, new_conf);
 
   // #2541 force resolution of node interpreter
   if (app.exec_interpreter &&

lib/Daemon.js

@@ -426,7 +426,7 @@ Daemon.prototype.startLogic = function() {
     if (!msg.process || !God.clusters_db[msg.process.pm_id])
       return console.error('AXM MONITOR Unknown id %s', msg.process.pm_id);
 
-    util._extend(God.clusters_db[msg.process.pm_id].pm2_env.axm_monitor, Utility.clone(msg.data));
+    Object.assign(God.clusters_db[msg.process.pm_id].pm2_env.axm_monitor, Utility.clone(msg.data));
     msg = null;
   });
 

lib/Watcher.js

@@ -42,7 +42,7 @@ module.exports = function ClusterMode(God) {
     };
 
     if (pm2_env.watch_options) {
-      watch_options = util._extend(watch_options, pm2_env.watch_options);
+      watch_options = Object.assign(watch_options, pm2_env.watch_options);
     }
 
     log('Watch opts', watch_options);

lib/tools/Config.js

@@ -81,7 +81,7 @@ Config.filterOptions = function(cmd) {
  */
 Config.validateJSON = function(json){
   // clone config
-  var conf = util._extend({}, json),
+  var conf = Object.assign({}, json),
       res = {};
   this._errors = [];