Try babel

package.json

@@ -75,6 +75,8 @@
   },
   "devDependencies": {
     "async": "^2.3.0",
+    "babel-core": "^6.24.1",
+    "babel-loader": "^6.4.1",
     "babel-preset-env": "^1.4.0",
     "browserify": "~14.3.0",
     "clone": "^2.1.1",
@@ -114,7 +116,7 @@
     "hogan.js": "^3.0.2",
     "jasmine": "2.5.3",
     "jasmine-es6": "0.4.0",
-    "jison": "zaach/jison",
+    "jison": "^0.4.17",
     "jsdom": "^9.12.0",
     "jshint": "^2.9.4",
     "jshint-stylish": "^2.2.1",

webpack.config.base.js

@@ -11,6 +11,25 @@ export const webConfig = () => {
     output: {
       path: path.join(__dirname, './dist/'),
       filename: '[name].js'
+    },
+    module: {
+      rules: [
+        {
+          test: /\.js$/,
+          use: {
+            loader: 'babel-loader',
+            options: {
+              presets: [
+                ['env', {
+                  'targets': {
+                    'browsers': ['last 3 versions']
+                  }
+                }]
+              ]
+            }
+          }
+        }
+      ]
     }
   }
 }
@@ -26,6 +45,25 @@ export const nodeConfig = () => {
       path: path.join(__dirname, './dist/'),
       filename: '[name].js',
       libraryTarget: 'commonjs2'
+    },
+    module: {
+      rules: [
+        {
+          test: /\.js$/,
+          use: {
+            loader: 'babel-loader',
+            options: {
+              presets: [
+                ['env', {
+                  'targets': {
+                    'node': 4.2
+                  }
+                }]
+              ]
+            }
+          }
+        }
+      ]
     }
   }
 }

yarn.lock

@@ -579,6 +579,15 @@ babel-helpers@^6.24.1:
     babel-runtime "^6.22.0"
     babel-template "^6.24.1"
 
+babel-loader@^6.4.1:
+  version "6.4.1"
+  resolved "https://registry.yarnpkg.com/babel-loader/-/babel-loader-6.4.1.tgz#0b34112d5b0748a8dcdbf51acf6f9bd42d50b8ca"
+  dependencies:
+    find-cache-dir "^0.1.1"
+    loader-utils "^0.2.16"
+    mkdirp "^0.5.1"
+    object-assign "^4.0.1"
+
 babel-messages@^6.23.0:
   version "6.23.0"
   resolved "https://registry.yarnpkg.com/babel-messages/-/babel-messages-6.23.0.tgz#f3cdf4703858035b2a2951c6ec5edf6c62f2630e"
@@ -1843,6 +1852,10 @@ commondir@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/commondir/-/commondir-0.0.1.tgz#89f00fdcd51b519c578733fec563e6a6da7f5be2"
 
+commondir@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/commondir/-/commondir-1.0.1.tgz#ddd800da0c66127393cca5950ea968a3aaf1253b"
+
 component-bind@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/component-bind/-/component-bind-1.0.0.tgz#00c608ab7dcd93897c0009651b1d3a8e1e73bbd1"
@@ -3190,6 +3203,14 @@ finalhandler@~1.0.0:
     statuses "~1.3.1"
     unpipe "~1.0.0"
 
+find-cache-dir@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-0.1.1.tgz#c8defae57c8a52a8a784f9e31c57c742e993a0b9"
+  dependencies:
+    commondir "^1.0.1"
+    mkdirp "^0.5.1"
+    pkg-dir "^1.0.0"
+
 find-index@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/find-index/-/find-index-0.1.1.tgz#675d358b2ca3892d795a1ab47232f8b6e2e0dde4"
@@ -4751,20 +4772,7 @@ jison-lex@0.3.x:
     lex-parser "0.1.x"
     nomnom "1.5.2"
 
-jison@zaach/jison:
+jison@^0.4.17, jison@~0.4.15:
-  version "0.4.17"
-  resolved "https://codeload.github.com/zaach/jison/tar.gz/7653842e5120510b0b77484ac90d6c569cf146fd"
-  dependencies:
-    JSONSelect "0.4.0"
-    cjson "0.3.0"
-    ebnf-parser "0.1.10"
-    escodegen "1.3.x"
-    esprima "1.1.x"
-    jison-lex "0.3.x"
-    lex-parser "~0.1.3"
-    nomnom "1.5.2"
-
-jison@~0.4.15:
   version "0.4.17"
   resolved "https://registry.yarnpkg.com/jison/-/jison-0.4.17.tgz#bc12d46c5845e6fee89ccf35bd2a8cc73eba17f3"
   dependencies: