diff --git a/README.md b/README.md
index 81f87bf..310a0cb 100644
--- a/README.md
+++ b/README.md
@@ -184,7 +184,7 @@ npm 包与 docker 镜像的对比，优点：
 
 	- extractVendor
 
-		控制是否抽取固定依赖（vendor），要求传入一个入口文件名（`entry`），该 entry 的内容将会被认为是固定依赖，被抽取到单独的文件中，而不会重复出现在每个 entry 的结果文件里。一方面它可以更精确地实现抽取公共内容的效果，另外一方面，在 vendor entry 内容不变的情况下，结果文件本身的 hash 不会改变，可以更充分地利用浏览器缓存。典型的 vendor entry 的内容形如：
+		控制抽取固定依赖（vendor）的行为，要求传入一个入口文件名（`entry`）以启用；该 entry 的内容将会被认为是固定依赖，被抽取到单独的文件中，而不会重复出现在每个 entry 的结果文件里。一方面它可以更精确地实现抽取公共内容的效果，另外一方面，在 vendor entry 内容不变的情况下，结果文件本身的 hash 不会改变，可以更充分地利用浏览器缓存。典型的 vendor entry 的内容形如：
 
 		```javascript
 		import 'react'
@@ -194,7 +194,11 @@ npm 包与 docker 镜像的对比，优点：
 
 	- compressImage
 
-		是否压缩图片(png, jpe?g, gif)
+		是否压缩图片(png, jpe?g, gif)，`true` 启用，`false` 禁用
+
+	- transformDeps
+
+		是否对第三方依赖包（node_modules 中的内容）的 Javascript 内容进行转换（builder 默认会跳过对依赖包 Javascript 内容的转换，以提升构建效率）。这里传入 `true` 表示全部进行转换，`false` 则全部不转换；也可以传入包名列表来指定需要转换的第三方依赖包，如传入 `[ "react", "mobx" ]`，表示仅对包 react 与包 mobx 的 Javascript 内容进行转换
 
 * test
 
diff --git a/lib/utils/build-conf.js b/lib/utils/build-conf.js
index d8103e3..b1a0f79 100644
--- a/lib/utils/build-conf.js
+++ b/lib/utils/build-conf.js
@@ -12,20 +12,25 @@ const paths = require('./paths')
 const logger = require('./logger')
 
 /**
- * The complete Triforce, or one or more components of the Triforce.
  * @typedef {object} Engines
  * @property {string} builder - required builder version range
  */
 
 /**
- * The complete Triforce, or one or more components of the Triforce.
  * @typedef {object} TestConfig
  * @property {string[]} setupFiles - files to run before each test
  * @property {object} moduleNameMapper - map for modules, like https://facebook.github.io/jest/docs/en/configuration.html#modulenamemapper-object-string-string
  */
 
 /**
- * The complete Triforce, or one or more components of the Triforce.
+ * @typedef {object} Optimization
+ * @property {boolean} extractCommon 是否抽取 entries 间的公共内容到单独的文件中
+ * @property {string} extractVendor 抽取固定依赖行为
+ * @property {boolean} compressImage 是否压缩图片
+ * @property {boolean|string[]} transformDeps 是否对第三方依赖包的 Javascript 内容进行转换
+ */
+
+/**
  * @typedef {object} BuildConfig
  * @property {string} extends - target config to extend
  * @property {string} publicUrl
@@ -38,9 +43,10 @@ const logger = require('./logger')
  * @property {string[]} transformIncludes - 构建时需要被包含进来（被 transformer 处理）的第三方内容
  * @property {object} envVariables - 注入到代码中的环境变量
  * @property {object} isomorphicTools - ssr 相关的 webpack-isomorphic-tools config
- * @property {object} optimization
+ * @property {Optimization} optimization
  * @property {object} devProxy
  * @property {object} deploy
+ * @property {object} targets
  * @property {TestConfig} test
  * @property {Engines} engines
  */
diff --git a/lib/webpack-config/addons/add-transform.js b/lib/webpack-config/addons/add-transform.js
index d8f0120..fd02cc6 100644
--- a/lib/webpack-config/addons/add-transform.js
+++ b/lib/webpack-config/addons/add-transform.js
@@ -36,10 +36,16 @@ const makeBabelPlugin = plugin => (
   : [adaptBabelPluginName(plugin[0]), ...plugin.slice(1)]
 )
 
-// 修改 babel-loader 的配置以适配 webpack2 (enable tree-shaking，由 webpack 来做 module 格式的转换)
-// 添加 preset-env 的 targets
-// 找到 env 这个 preset，添加 { "modules": false, targets }
-// 注意后续可能要修改这边逻辑，考虑会对 import / export 进行转换的不一定只有 env 这个 preset
+/**
+ * @desc 修改 babel-loader 的配置以适配 webpack2 (enable tree-shaking，由 webpack 来做 module 格式的转换)
+ * 添加 preset-env 的 targets
+ * 找到 env 这个 preset，添加 { "modules": false, targets }
+ * 注意后续可能要修改这边逻辑，考虑会对 import / export 进行转换的不一定只有 env 这个 preset
+ * @param  {object} options babel options
+ * @param  {object} targets babel env targets: https://babeljs.io/docs/en/babel-preset-env#targets
+ * @return {object}
+ * TODO: 检查现在 webpack4 是不是还需要 modules: false 的逻辑
+ */
 const makeBabelLoaderOptions = (options, targets) => {
   if (!options) {
     return options
@@ -87,7 +93,7 @@ const adaptLoader = ({ loader, options }) => {
   return loaderObj
 }
 
-const makeRule = (extension, context, ...loaderList) => {
+const makeRule = (extension, context, exclude, ...loaderList) => {
   const rule = {
     test: makeExtensionPattern(extension),
     use: loaderList.map(adaptLoader)
@@ -104,10 +110,10 @@ const makeRule = (extension, context, ...loaderList) => {
     rule.issuer = makeExtensionPattern(context)
   }
 
-  // 针对后缀为 js 的 transform，控制范围（不对依赖做转换）
-  if (extension === 'js') {
-    rule.exclude = /(node_modules)/
+  if (exclude != null) {
+    rule.exclude = exclude
   }
+
   return rule
 }
 
@@ -145,12 +151,24 @@ function makePostcssOptions({ autoprefixerOptions }) {
   }
 }
 
+/**
+ * @desc 构造处理 Javascript 内容时排除依赖用的正则
+ * @param  {boolean|string[]} transformDeps 是否排除依赖，或需要被处理（不应该被排除）的依赖包名
+ * @return {RegExp}
+ */
+function makeJsExcludePattern(transformDeps) {
+  if (Array.isArray(transformDeps)) {
+    return new RegExp(`node_modules/(?!(${transformDeps.join('|')})/).*`)
+  }
+  return transformDeps ? null : /node_modules\//
+}
+
 module.exports = (config, key, transform, buildConfig, post) => {
   if (!key || typeof key !== 'string') {
     throw new TypeError(`Invalid transform key: ${JSON.stringify(key)}`)
   }
 
-  const { targets } = buildConfig
+  const { targets, optimization } = buildConfig
   const [extension, context] = key.split('@')
 
   const isTesting = buildEnv.get() === buildEnv.test
@@ -171,6 +189,13 @@ module.exports = (config, key, transform, buildConfig, post) => {
     return config
   }
 
+  // 针对后缀为 js 的 transform，控制范围（不对依赖做转换）
+  const exclude = (
+    extension === 'js'
+    ? makeJsExcludePattern(optimization.transformDeps)
+    : null
+  )
+
   switch(transform.transformer) {
     case transforms.css:
     case transforms.less:
@@ -212,7 +237,7 @@ module.exports = (config, key, transform, buildConfig, post) => {
 
       config = update(config, {
         module: { rules: {
-          $push: [makeRule(extension, context, ...loaders)]
+          $push: [makeRule(extension, context, exclude, ...loaders)]
         } }
       })
       break
@@ -223,7 +248,7 @@ module.exports = (config, key, transform, buildConfig, post) => {
       config = addDefaultExtension(config, extension)
       config = update(config, {
         module: { rules: {
-          $push: [makeRule(extension, context, { loader: 'babel', options: babelLoaderOptions })]
+          $push: [makeRule(extension, context, exclude, { loader: 'babel', options: babelLoaderOptions })]
         } }
       })
       break
@@ -237,7 +262,7 @@ module.exports = (config, key, transform, buildConfig, post) => {
       config = addDefaultExtension(config, extension)
       config = update(config, {
         module: { rules: {
-          $push: [makeRule(extension, context, {
+          $push: [makeRule(extension, context, exclude, {
             loader: 'babel',
             options: makeBabelLoaderOptions(
               makeReactBabelOptions(transformConfig.babelOptions),
@@ -276,6 +301,7 @@ module.exports = (config, key, transform, buildConfig, post) => {
           $push: [makeRule(
             extension,
             context,
+            exclude,
             { loader: 'babel', options: makeBabelLoaderOptions(babelOptions, targets) },
             { loader: 'ts', options: tsLoaderOptions }
           )]
@@ -289,7 +315,7 @@ module.exports = (config, key, transform, buildConfig, post) => {
       config = addDefaultExtension(config, extension)
       config = update(config, {
         module: { rules: {
-          $push: [makeRule(extension, context, { loader: transform.transformer, options: transform.config })]
+          $push: [makeRule(extension, context, exclude, { loader: transform.transformer, options: transform.config })]
         } }
       })
       break
@@ -299,7 +325,7 @@ module.exports = (config, key, transform, buildConfig, post) => {
       config = update(config, {
         module: { rules: {
           $push: [
-            makeRule(extension, context, {
+            makeRule(extension, context, exclude, {
               loader: 'file',
               options: { name: 'static/[name]-[hash].[ext]' }
             })
@@ -342,7 +368,7 @@ module.exports = (config, key, transform, buildConfig, post) => {
       config = update(config, {
         module: { rules: {
           $push: [
-            makeRule(extension, context, {
+            makeRule(extension, context, exclude, {
               loader: 'vue',
               options
             })
@@ -356,7 +382,7 @@ module.exports = (config, key, transform, buildConfig, post) => {
       config = update(config, {
         module: { rules: {
           $push: [
-            makeRule(extension, context, {
+            makeRule(extension, context, exclude, {
               loader: 'svg-sprite',
               options: {
                 // TODO:
@@ -375,7 +401,7 @@ module.exports = (config, key, transform, buildConfig, post) => {
     default: {
       config = update(config, {
         module: { rules: {
-          $push: [makeRule(extension, context, { loader: transform.transformer, options: transform.config })]
+          $push: [makeRule(extension, context, exclude, { loader: transform.transformer, options: transform.config })]
         } }
       })
     }
diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 6c489bc..fd523af 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -1,6 +1,6 @@
 {
   "name": "fec-builder",
-  "version": "1.13.0",
+  "version": "1.14.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index b10f460..6427994 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "fec-builder",
-  "version": "1.13.0",
+  "version": "1.14.0",
   "bin": {
     "fec-builder": "./bin/fec-builder"
   },
diff --git a/preset-configs/angular.json b/preset-configs/angular.json
index a0d23b1..878152e 100644
--- a/preset-configs/angular.json
+++ b/preset-configs/angular.json
@@ -17,7 +17,8 @@
           "@babel/plugin-syntax-import-meta",
           "@babel/plugin-proposal-class-properties",
           "@babel/plugin-proposal-json-strings"
-        ]
+        ],
+        "sourceType": "unambiguous"
       }
     },
     "html": "html"
diff --git a/preset-configs/default.json b/preset-configs/default.json
index 4dbd54f..341ee2f 100644
--- a/preset-configs/default.json
+++ b/preset-configs/default.json
@@ -30,7 +30,8 @@
           "@babel/plugin-syntax-import-meta",
           "@babel/plugin-proposal-class-properties",
           "@babel/plugin-proposal-json-strings"
-        ]
+        ],
+        "sourceType": "unambiguous"
       }
     },
     "css": "css",
@@ -67,7 +68,8 @@
   "optimization": {
     "extractCommon": true,
     "extractVendor": "",
-    "compressImage": false
+    "compressImage": false,
+    "transformDeps": false
   },
   "devProxy": {},
   "deploy": {
diff --git a/preset-configs/react.json b/preset-configs/react.json
index 2a2dc6e..7a8e075 100644
--- a/preset-configs/react.json
+++ b/preset-configs/react.json
@@ -16,7 +16,8 @@
             "@babel/plugin-syntax-import-meta",
             "@babel/plugin-proposal-class-properties",
             "@babel/plugin-proposal-json-strings"
-          ]
+          ],
+          "sourceType": "unambiguous"
         }
       }
     },
@@ -36,7 +37,8 @@
             "@babel/plugin-syntax-import-meta",
             "@babel/plugin-proposal-class-properties",
             "@babel/plugin-proposal-json-strings"
-          ]
+          ],
+          "sourceType": "unambiguous"
         }
       }
     },
diff --git a/samples b/samples
index d8b24b4..2e04c11 160000
--- a/samples
+++ b/samples
@@ -1 +1 @@
-Subproject commit d8b24b40a325113d2612872ca339929ba5213e9d
+Subproject commit 2e04c1117a232e89ae6c00051a68cfeb2413d370