refactor(configuration): minor configuration updates

fix(build): fix broken build

build(travis): remove specific npm version

.babelrc

@@ -1,10 +1,13 @@
 {
   "presets": [
-    ["env", {
-      "targets": {
-        "browsers": ["last 2 versions", "ie 11"]
+    [
+      "env",
+      {
+        "targets": {
+          "browsers": ["last 2 versions", "ie 11"]
+        }
       }
-    }],
+    ],
     "babel-preset-react"
   ],
   "plugins": [

.eslintrc.js → .eslintrc

@@ -1,4 +1,4 @@
-module.exports = {
+{
   "extends": "eslint-config-edx",
   "parser": "babel-eslint",
   "rules": {
@@ -8,13 +8,10 @@ module.exports = {
         "devDependencies": [
           "config/*.js",
           "**/*.test.jsx",
-          "**/*.test.js",
+          "**/*.test.js"
         ]
       }
     ],
-    "class-methods-use-this": [
-      "off"
-    ],
     // https://github.com/evcohen/eslint-plugin-jsx-a11y/issues/340#issuecomment-338424908
     "jsx-a11y/anchor-is-valid": [ "error", {
       "components": [ "Link" ],
@@ -24,4 +21,4 @@ module.exports = {
   "env": {
     "jest": true
   }
-};
+}

.npmignore

@@ -2,7 +2,6 @@
 .eslintrc.json
 .gitignore
 .travis.yml
-docker-compose.linux.yml
 docker-compose.yml
 Dockerfile
 Makefile

.travis.yml

@@ -1,6 +1,6 @@
 language: node_js
 node_js:
-- 8.9.4
+- 8.9.3
 cache:
   directories:
   - "~/.npm"
@@ -12,23 +12,25 @@ notifications:
     on_failure: always
   hipchat:
     rooms:
-      secure: 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
+      secure: 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
 before_install:
-- npm install -g npm@5
-- npm install -g greenkeeper-lockfile@1
+- npm install -g npm
+- npm install -g greenkeeper-lockfile@1.14.0
 before_script: greenkeeper-lockfile-update
 after_script: greenkeeper-lockfile-upload
 script:
 - make validate-no-uncommitted-package-lock-changes
 - npm run lint
 - npm run test
+- npm run build
+- npm run is-es5
 after_success:
 - npm run build:gh-pages
 deploy:
-  local-dir: ./dist
+  local-dir: "./dist"
   provider: pages
   skip-cleanup: true
-  github-token: $GITHUB_TOKEN
+  github-token: "$GITHUB_TOKEN"
   keep-history: true
   name: edx-semantic-release
   email: [email protected]

Dockerfile

@@ -1,6 +1,6 @@
 # Copied from https://github.com/BretFisher/node-docker-good-defaults/blob/master/Dockerfile
 
-FROM node:8.9.4
+FROM node:8.9.3
 
 # Create app directory
 RUN mkdir -p /edx/app

docker-compose.yml

@@ -1,4 +1,3 @@
-
 version: "2"
 services:
   web: