Added babel polyfill and babel-eslint

.babelrc

@@ -0,0 +1,18 @@
+{
+  "presets": [
+    ["@babel/env", {
+      "modules": false,
+      "targets": {
+        "browsers": "> 1%",
+        "uglify": true
+      },
+      "useBuiltIns": true
+    }]
+  ],
+
+  "plugins": [
+    // "@babel/syntax-dynamic-import",
+    // "@babel/plugin-proposal-object-rest-spread",
+    // "@babel/plugin-proposal-class-properties"
+  ]
+}

.eslintrc

@@ -1,5 +1,6 @@
 {
   "extends": "eslint:recommended",
+  "parser": "babel-eslint",
   "env": {
     "browser": true,
     "node": true,

package.json

@@ -13,7 +13,9 @@
     "@babel/core": "^7.3.4",
     "@babel/preset-env": "^7.3.4",
     "autoprefixer": "^9.4.10",
+    "babel-eslint": "^10.0.1",
     "babel-loader": "^8.0.5",
+    "babel-polyfill": "^6.26.0",
     "css-loader": "^2.1.0",
     "cssnano": "^4.1.10",
     "eslint": "^5.15.1",
@@ -31,4 +33,4 @@
     "webpack-cli": "^3.2.3"
   },
   "dependencies": {}
-}
+}

source/javascripts/site.js

@@ -1 +1,5 @@
+// Uncomment if using ES2016 and running into
+// issues
+// require("@babel/polyfill");
+
 console.log('Hello From Site.js!')

yarn.lock

@@ -213,7 +213,7 @@
     esutils "^2.0.2"
     js-tokens "^4.0.0"
 
-"@babel/parser@^7.2.2", "@babel/parser@^7.3.4":
+"@babel/parser@^7.0.0", "@babel/parser@^7.2.2", "@babel/parser@^7.3.4":
   version "7.3.4"
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.3.4.tgz#a43357e4bbf4b92a437fb9e465c192848287f27c"
   integrity sha512-tXZCqWtlOOP4wgCp6RjRvLmfuhnqTLy9VHwRochJBCP2nDm27JnnuFEnXFASVyQNHk36jD1tAammsCEEqgscIQ==
@@ -568,7 +568,7 @@
     "@babel/parser" "^7.2.2"
     "@babel/types" "^7.2.2"
 
-"@babel/traverse@^7.1.0", "@babel/traverse@^7.1.5", "@babel/traverse@^7.3.4":
+"@babel/traverse@^7.0.0", "@babel/traverse@^7.1.0", "@babel/traverse@^7.1.5", "@babel/traverse@^7.3.4":
   version "7.3.4"
   resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.3.4.tgz#1330aab72234f8dea091b08c4f8b9d05c7119e06"
   integrity sha512-TvTHKp6471OYEcE/91uWmhR6PrrYywQntCHSaZ8CM8Vmp+pjAusal4nGB2WCCQd0rvI7nOMKn9GnbcvTUz3/ZQ==
@@ -968,6 +968,18 @@ aws4@^1.8.0:
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.8.0.tgz#f0e003d9ca9e7f59c7a508945d7b2ef9a04a542f"
   integrity sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ==
 
+babel-eslint@^10.0.1:
+  version "10.0.1"
+  resolved "https://registry.yarnpkg.com/babel-eslint/-/babel-eslint-10.0.1.tgz#919681dc099614cd7d31d45c8908695092a1faed"
+  integrity sha512-z7OT1iNV+TjOwHNLLyJk+HN+YVWX+CLE6fPD2SymJZOZQBs+QIexFjhm4keGTm8MW9xr4EC9Q0PbaLB24V5GoQ==
+  dependencies:
+    "@babel/code-frame" "^7.0.0"
+    "@babel/parser" "^7.0.0"
+    "@babel/traverse" "^7.0.0"
+    "@babel/types" "^7.0.0"
+    eslint-scope "3.7.1"
+    eslint-visitor-keys "^1.0.0"
+
 babel-extract-comments@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/babel-extract-comments/-/babel-extract-comments-1.0.0.tgz#0a2aedf81417ed391b85e18b4614e693a0351a21"
@@ -998,6 +1010,15 @@ babel-plugin-transform-object-rest-spread@^6.26.0:
     babel-plugin-syntax-object-rest-spread "^6.8.0"
     babel-runtime "^6.26.0"
 
+babel-polyfill@^6.26.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-polyfill/-/babel-polyfill-6.26.0.tgz#379937abc67d7895970adc621f284cd966cf2153"
+  integrity sha1-N5k3q8Z9eJWXCtxiHyhM2WbPIVM=
+  dependencies:
+    babel-runtime "^6.26.0"
+    core-js "^2.5.0"
+    regenerator-runtime "^0.10.5"
+
 babel-runtime@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.26.0.tgz#965c7058668e82b55d7bfe04ff2337bc8b5647fe"
@@ -1563,7 +1584,7 @@ copy-descriptor@^0.1.0:
   resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
   integrity sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=
 
-core-js@^2.4.0:
+core-js@^2.4.0, core-js@^2.5.0:
   version "2.6.5"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.5.tgz#44bc8d249e7fb2ff5d00e0341a7ffb94fbf67895"
   integrity sha512-klh/kDpwX8hryYL14M9w/xei6vrv6sE8gTHDG7/T/+SEovB/G4ejwcfE/CBzO6Edsu+OETZMZ3wcX/EjUkrl5A==
@@ -2122,6 +2143,14 @@ eslint-loader@^2.1.2:
     object-hash "^1.1.4"
     rimraf "^2.6.1"
 
+eslint-scope@3.7.1:
+  version "3.7.1"
+  resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-3.7.1.tgz#3d63c3edfda02e06e01a452ad88caacc7cdcb6e8"
+  integrity sha1-PWPD7f2gLgbgGkUq2IyqzHzctug=
+  dependencies:
+    esrecurse "^4.1.0"
+    estraverse "^4.1.1"
+
 eslint-scope@^4.0.0, eslint-scope@^4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-4.0.2.tgz#5f10cd6cabb1965bf479fa65745673439e21cb0e"
@@ -5003,6 +5032,11 @@ regenerate@^1.4.0:
   resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.4.0.tgz#4a856ec4b56e4077c557589cae85e7a4c8869a11"
   integrity sha512-1G6jJVDWrt0rK99kBjvEtziZNCICAuvIPkSiUFIQxVP06RCVpq3dmDo2oi6ABpYaDYaTRr67BEhL8r1wgEZZKg==
 
+regenerator-runtime@^0.10.5:
+  version "0.10.5"
+  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.10.5.tgz#336c3efc1220adcedda2c9fab67b5a7955a33658"
+  integrity sha1-M2w+/BIgrc7dosn6tntaeVWjNlg=
+
 regenerator-runtime@^0.11.0:
   version "0.11.1"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"