feat: add new event before build

src/lib/core/engine.js

@@ -212,7 +212,7 @@ class Engine {
     this.registerModule('compiler', {plugins: this.plugins, disableOptimizations: options.disableOptimizations});
     this.registerModule('solidity', {ipc: this.ipc, useDashboard: this.useDashboard});
     this.registerModule('vyper');
-    this.registerModule('contracts_manager', {compileOnceOnly: options.compileOnceOnly});
+    this.registerModule('contracts_manager', {plugins: this.plugins, compileOnceOnly: options.compileOnceOnly});
   }
 
   deploymentService(options) {

src/lib/core/plugins.js

@@ -57,6 +57,10 @@ Plugins.prototype.loadInternalPlugin = function(pluginName, pluginConfig) {
   var plugin;
   try {
     plugin = require(pluginPath);
+    
+    if (plugin.default) {
+      plugin = plugin.default;
+    }
   } catch(_e) {
     pluginPath = fs.embarkPath('modules/' + pluginName);
     plugin = require(pluginPath);

src/lib/modules/contracts_manager/index.js

@@ -13,6 +13,7 @@ class ContractsManager {
     const self = this;
     this.logger = embark.logger;
     this.events = embark.events;
+    this.plugins = options.plugins;
 
     this.contracts = {};
     this.contractDependencies = {};
@@ -226,6 +227,11 @@ class ContractsManager {
 
     if(resetContracts) self.contracts = {};
     async.waterfall([
+      function beforeBuild(callback) {
+        self.plugins.emitAndRunActionsForEvent("build:beforeAll", () => {
+          callback();
+        });
+      },
       function loadContractFiles(callback) {
         self.events.request("config:contractsFiles", (contractsFiles) => {
           self.contractsFiles = contractsFiles;

src/test/contracts.js

@@ -114,6 +114,7 @@ describe('embark.Contracts', function() {
     };
 
     let contractsManager = new ContractsManager(embarkObj, {
+      plugins: plugins,
       contractDirectories: ['app/contracts']
     });
 
@@ -239,6 +240,7 @@ describe('embark.Contracts', function() {
     }
 
     let contractsManager = new ContractsManager(embarkObj, {
+      plugins: plugins,
       contractDirectories: ['app/contracts']
     });