fix multiple issues with multiple file writes

Author: iurimatias

lib/contracts/code_generator.js

@@ -28,64 +28,63 @@ class CodeGenerator {
     let self = this;
 
     // deprecated events; to remove in embark 2.7.0
-    this.events.setCommandHandler('abi-vanila', function(cb) {
+    this.events.setCommandHandlerOnce('abi-vanila', function(cb) {
       let vanillaABI = self.generateABI({useEmbarkJS: false});
       let contractsJSON = self.generateContractsJSON();
 
       cb(vanillaABI, contractsJSON);
     });
 
-    this.events.setCommandHandler('abi', function(cb) {
+    this.events.setCommandHandlerOnce('abi', function(cb) {
       let embarkJSABI = self.generateABI({useEmbarkJS: true});
       let contractsJSON = self.generateContractsJSON();
 
       cb(embarkJSABI, contractsJSON);
     });
 
-    this.events.setCommandHandler('abi-contracts-vanila', function(cb) {
+    this.events.setCommandHandlerOnce('abi-contracts-vanila', function(cb) {
       let vanillaContractsABI = self.generateContracts(false, true, false);
       let contractsJSON = self.generateContractsJSON();
 
       cb(vanillaContractsABI, contractsJSON);
     });
 
-    this.events.setCommandHandler('abi-vanila-deployment', function(cb) {
+    this.events.setCommandHandlerOnce('abi-vanila-deployment', function(cb) {
       let vanillaABI = self.generateABI({useEmbarkJS: false, deployment: true});
       let contractsJSON = self.generateContractsJSON();
 
       cb(vanillaABI, contractsJSON);
     });
 
     // new events
-    this.events.setCommandHandler('code-vanila', function(cb) {
+    this.events.setCommandHandlerOnce('code-vanila', function(cb) {
       let vanillaABI = self.generateABI({useEmbarkJS: false});
       let contractsJSON = self.generateContractsJSON();
 
       cb(vanillaABI, contractsJSON);
     });
 
-    this.events.setCommandHandler('code', function(cb) {
+    this.events.setCommandHandlerOnce('code', function(cb) {
       let embarkJSABI = self.generateABI({useEmbarkJS: true});
       let contractsJSON = self.generateContractsJSON();
 
       cb(embarkJSABI, contractsJSON);
     });
 
-    this.events.setCommandHandler('code-contracts-vanila', function(cb) {
+    this.events.setCommandHandlerOnce('code-contracts-vanila', function(cb) {
       let vanillaContractsABI = self.generateContracts(false, true, false);
       let contractsJSON = self.generateContractsJSON();
 
       cb(vanillaContractsABI, contractsJSON);
     });
 
-    this.events.setCommandHandler('code-vanila-deployment', function(cb) {
+    this.events.setCommandHandlerOnce('code-vanila-deployment', function(cb) {
       let vanillaABI = self.generateABI({useEmbarkJS: false, deployment: true});
       let contractsJSON = self.generateContractsJSON();
 
       cb(vanillaABI, contractsJSON);
     });
 
-
   }
 
   generateProvider(isDeployment) {
@@ -222,8 +221,6 @@ class CodeGenerator {
       result += Templates.exec_when_env_loaded({block: block});
     }
 
-    console.log(result);
-
     return result;
   }
 

lib/core/events.js

@@ -42,4 +42,11 @@ EventEmitter.prototype.setCommandHandler = function(requestName, cb) {
   });
 };
 
+EventEmitter.prototype.setCommandHandlerOnce = function(requestName, cb) {
+  log("setting command handler for: ", requestName);
+  return this.once('request:' + requestName, function(_cb) {
+    cb.call(this, _cb);
+  });
+};
+
 module.exports = EventEmitter;