From d09b94a5db363adb09eda3593a081bcdee639381 Mon Sep 17 00:00:00 2001
From: Iuri Matias <iuri.matias@gmail.com>
Date: Wed, 17 Jan 2018 15:29:34 -0500
Subject: [PATCH] refactor pipeline to remove duplicated code

---
 lib/pipeline/pipeline.js | 172 ++++++++++++++-------------------------
 1 file changed, 59 insertions(+), 113 deletions(-)

diff --git a/lib/pipeline/pipeline.js b/lib/pipeline/pipeline.js
index 11d7c9a1..950ed89a 100644
--- a/lib/pipeline/pipeline.js
+++ b/lib/pipeline/pipeline.js
@@ -55,26 +55,7 @@ class Pipeline {
               async.waterfall([
 
                 function findImports(next) {
-                  webpack({
-                    entry: utils.joinPath(fs.dappPath(), file.filename),
-                    output: {
-                      libraryTarget: 'umd',
-                      path: utils.joinPath(fs.dappPath(), '.embark'),
-                      filename: file.filename
-                    },
-                    resolve: {
-                      alias: importsList,
-                      modules: [
-                        fs.embarkPath('node_modules'),
-                        utils.joinPath(fs.dappPath(), 'node_modules')
-                      ]
-                    },
-                    externals: function(context, request, callback) {
-                      callback();
-                    }
-                  }).run((_err, _stats) => {
-                    next();
-                  });
+                  self.webpackRun(file.filename, {}, false, importsList, next);
                 },
 
                 function changeCwd(next) {
@@ -84,20 +65,7 @@ class Pipeline {
                 },
 
                 function findImportsPhase2(next) {
-                  webpack({
-                    entry: utils.joinPath(fs.dappPath(), file.filename),
-                    output: {
-                      libraryTarget: 'umd',
-                      path: utils.joinPath(fs.dappPath(), '.embark'),
-                      filename: file.filename
-                    },
-                    resolve: {
-                      alias: importsList,
-                      modules: [
-                        fs.embarkPath('node_modules'),
-                        utils.joinPath(fs.dappPath(), 'node_modules')
-                      ]
-                    },
+                  self.webpackRun(file.filename, {
                     externals: function(context, request, callback) {
                       if (request === utils.joinPath(fs.dappPath(), file.filename)) {
                         callback();
@@ -111,89 +79,12 @@ class Pipeline {
                         }
                         callback(null, "amd " + Math.random());
                       }
-                    },
-                    module: {
-                      rules: [
-                        {
-                          test: /\.css$/,
-                          use: [{loader: "style-loader"}, {loader: "css-loader"}]
-                        },
-                        {
-                          test: /\.scss$/,
-                          use: [{loader: "style-loader"}, {loader: "css-loader"}]
-                        },
-                        {
-                          test: /\.(png|woff|woff2|eot|ttf|svg)$/,
-                          loader: 'url-loader?limit=100000'
-                        },
-                        {
-                          test: /\.js$/,
-                          loader: "babel-loader",
-                          exclude: /(node_modules|bower_components)/,
-                          options: {
-                            presets: ['es2016', 'es2017', 'react'],
-                            plugins: ["babel-plugin-webpack-aliases"]
-                          }
-                        }
-                      ]
                     }
-                  }).run((_err, _stats) => {
-                    next();
-                  });
-
+                  }, true, importsList, next);
                 },
 
                 function runWebpack(next) {
-                  webpack({
-                    entry: utils.joinPath(fs.dappPath(), file.filename),
-                    output: {
-                      libraryTarget: 'umd',
-                      path: utils.joinPath(fs.dappPath(), '.embark'),
-                      filename: file.filename
-                    },
-                    resolve: {
-                      alias: importsList,
-                      modules: [
-                        fs.embarkPath('node_modules'),
-                        utils.joinPath(fs.dappPath(), 'node_modules')
-                      ]
-                    },
-                    externals: function(context, request, callback) {
-                      if (request === "Embark/contracts/all") {
-                        return callback(null, fs.readFileSync(utils.joinPath(fs.dappPath(), '.embark', 'embark.js')));
-                        // should be .toString() ?
-                      }
-                      callback();
-                    },
-                    module: {
-                      rules: [
-                        {
-                          test: /\.css$/,
-                          use: [{loader: "style-loader"}, {loader: "css-loader"}]
-                        },
-                        {
-                          test: /\.scss$/,
-                          use: [{loader: "style-loader"}, {loader: "css-loader"}]
-                        },
-                        {
-                          test: /\.(png|woff|woff2|eot|ttf|svg)$/,
-                          loader: 'url-loader?limit=100000'
-                        },
-                        {
-                          test: /\.js$/,
-                          loader: "babel-loader",
-                          exclude: /(node_modules|bower_components)/,
-                          options: {
-                            presets: ['es2016', 'es2017', 'react'],
-                            plugins: ["babel-plugin-webpack-aliases"]
-                          }
-                        }
-                      ]
-                    }
-                  }).run((_err, _stats) => {
-                    next();
-                  });
-
+                  self.webpackRun(file.filename, {}, true, importsList, next);
                 },
 
                 function changeCwdBack(next) {
@@ -261,6 +152,61 @@ class Pipeline {
   });
   }
 
+  webpackRun(filename, options, includeModules, importsList, callback) {
+    let defaultOptions = {
+      entry: utils.joinPath(fs.dappPath(), filename),
+      output: {
+        libraryTarget: 'umd',
+        path: utils.joinPath(fs.dappPath(), '.embark'),
+        filename: filename
+      },
+      resolve: {
+        alias: importsList,
+        modules: [
+          fs.embarkPath('node_modules'),
+          utils.joinPath(fs.dappPath(), 'node_modules')
+        ]
+      },
+      externals: function(context, request, callback) {
+        callback();
+      }
+    };
+
+    let webpackOptions =  utils.recursiveMerge(defaultOptions, options);
+
+    if (includeModules) {
+      webpackOptions.module = {
+        rules: [
+          {
+            test: /\.css$/,
+            use: [{loader: "style-loader"}, {loader: "css-loader"}]
+          },
+          {
+            test: /\.scss$/,
+            use: [{loader: "style-loader"}, {loader: "css-loader"}]
+          },
+          {
+            test: /\.(png|woff|woff2|eot|ttf|svg)$/,
+            loader: 'url-loader?limit=100000'
+          },
+          {
+            test: /\.js$/,
+            loader: "babel-loader",
+            exclude: /(node_modules|bower_components)/,
+            options: {
+              presets: ['es2016', 'es2017', 'react'],
+              plugins: ["babel-plugin-webpack-aliases"]
+            }
+          }
+        ]
+      };
+    }
+
+    webpack(webpackOptions).run((_err, _stats) => {
+      callback();
+    });
+  }
+
   buildContracts(contractsJSON) {
     fs.mkdirpSync(utils.joinPath(fs.dappPath(), this.buildDir, 'contracts'));