Add are-you-es5 checker and transpile remaining es5 node modules (#399)

package.json

@@ -36,7 +36,9 @@
     "webpack-remove-empty-scripts": "^0.7.3"
   },
   "version": "0.1.0",
-  "devDependencies": {},
+  "devDependencies": {
+    "are-you-es5": "^2.1.2"
+  },
   "browserslist": {
     "production": [
       "last 1 version",

webpack.config.js

@@ -25,7 +25,9 @@ module.exports = {
         test: /\.(js|ts)$/,
         include: [
           path.resolve(__dirname, 'node_modules/@hotwired/stimulus'),
+          path.resolve(__dirname, 'node_modules/@stimulus/polyfills'),
           path.resolve(__dirname, 'node_modules/@rails/actioncable'),
+          path.resolve(__dirname, 'node_modules/chartjs'),
           path.resolve(__dirname, 'app/frontend/controllers'),
         ],
         use: ['babel-loader'],

yarn.lock

@@ -1194,6 +1194,11 @@ acorn-import-assertions@^1.7.6:
   resolved "https://registry.yarnpkg.com/acorn-import-assertions/-/acorn-import-assertions-1.8.0.tgz#ba2b5939ce62c238db6d93d81c9b111b29b855e9"
   integrity sha512-m7VZ3jwz4eK6A4Vtt8Ew1/mNbP24u0FhdyfA7fSvnJR6LMdfOYnmuIrrJAgrYfYJ10F/otaHTtrtrtmHdMNzEw==
 
+acorn@^6.0.6:
+  version "6.4.2"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.4.2.tgz#35866fd710528e92de10cf06016498e47e39e1e6"
+  integrity sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==
+
 acorn@^8.4.1, acorn@^8.5.0:
   version "8.7.0"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.7.0.tgz#90951fde0f8f09df93549481e5fc141445b791cf"
@@ -1258,6 +1263,21 @@ anymatch@~3.1.2:
     normalize-path "^3.0.0"
     picomatch "^2.0.4"
 
+are-you-es5@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/are-you-es5/-/are-you-es5-2.1.2.tgz#d75511a174a3f842d70cc784aec0bcaff5a57547"
+  integrity sha512-gkT2bLCfzyJJr3lYoxZKScdD/Yp5zzghi+3KawONTvH/7rrgU3RMXYvGQnOTlqEFVgZFpEGj/6bZ6sF/9YtddA==
+  dependencies:
+    acorn "^6.0.6"
+    array-flatten "^2.1.0"
+    commander "^2.19.0"
+    find-up "^4.1.0"
+
+array-flatten@^2.1.0:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/array-flatten/-/array-flatten-2.1.2.tgz#24ef80a28c1a893617e2149b0c6d0d788293b099"
+  integrity sha512-hNfzcOV8W4NdualtqBFPyVO+54DSJuZGY9qT4pRroB6S9e3iiido2ISIC5h9R2sPJ8H3FHCIiEnsv1lPXO3KtQ==
+
 array-union@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/array-union/-/array-union-3.0.1.tgz#da52630d327f8b88cfbfb57728e2af5cd9b6b975"
@@ -1438,7 +1458,7 @@ colorette@^2.0.14:
   resolved "https://registry.yarnpkg.com/colorette/-/colorette-2.0.16.tgz#713b9af84fdb000139f04546bd4a93f62a5085da"
   integrity sha512-hUewv7oMjCp+wkBv5Rm0v87eJhq4woh5rSR+42YSQJKecCqgIqNkZ6lAlQms/BwHPJA5NKMRlpxPRv0n8HQW6g==
 
-commander@^2.20.0:
+commander@^2.19.0, commander@^2.20.0:
   version "2.20.3"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
   integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
@@ -1717,7 +1737,7 @@ find-cache-dir@^3.3.1:
     make-dir "^3.0.2"
     pkg-dir "^4.1.0"
 
-find-up@^4.0.0:
+find-up@^4.0.0, find-up@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/find-up/-/find-up-4.1.0.tgz#97afe7d6cdc0bc5928584b7c8d7b16e8a9aa5d19"
   integrity sha512-PpOwAdQ/YlXQ2vj8a3h8IipDuYRi3wceVQQGYWxNINccq40Anw7BlsEXCMbt1Zt+OLA6Fq9suIpIWD0OsnISlw==