chore: get rid of grunt, update dependencies, bump version to 2.0.1

Author: balassy

.eslintrc.json

@@ -1,16 +1,19 @@
 {
-  "extends": "airbnb-base",
+  "root": true,
+  "env": {
+    "browser": true
+  },
+  "extends": [
+    "airbnb-base"
+  ],
+  "parserOptions": {
+    "ecmaVersion": 11,
+    "sourceType": "module"
+  },
   "rules": {
     "comma-dangle": ["error", "never"],
     "linebreak-style": ["off"],
     "max-len": ["error", { "code": 300 }],
-    "no-console": ["off"],
-    "no-underscore-dangle": ["off"],
-    "prefer-destructuring": ["off"]
-  },
-	"env": {
-		"browser": true,
-		"node": true,
-		"es6": true
-	}
+    "no-underscore-dangle": ["off"]
+  }
 }

.markdownlint.json

@@ -0,0 +1,23 @@
+{
+  "default": true,
+  "line-length": false,
+  "blanks-around-headers": false,
+  "no-duplicate-header": false,
+  "no-inline-html": false,
+  "MD010": false,
+  "MD001": false,
+  "MD031": false,
+  "MD040": false,
+  "MD002": false,
+  "MD029": false,
+  "MD041": false,
+  "MD032": false,
+  "MD036": false,
+  "MD037": false,
+  "MD009": false,
+  "MD018": false,
+  "MD012": false,
+  "MD026": false,
+  "MD034": false,
+  "MD038": false
+}

.stylelintrc

@@ -0,0 +1,3 @@
+{
+  "extends": "stylelint-config-standard"
+}

.stylelintrc.json

@@ -3,6 +3,12 @@
 All notable changes to this project is documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [2.0.1]
+
+This is a maintenance release to modernize the development environment. There are no changes in the code of the module so these updates should not affect the functionality of the module.
+- Get rid of Grunt, use native npm scripts instead to run the linters.
+- Update all dependencies to the latest versions.
+
 ## [2.0.0]
 
 - ADDED: Support to display the battery level as percentage in the second line. Special thanks to @hweigel for his contribution.

CHANGELOG.md

@@ -183,24 +183,18 @@ creates this:
 
 ## Contribution
 
-Although for operation this module does not depend on any other module, if you would like to contribute to the codebase, please use the preconfigured linters to analyze the source code before sending a pull request. To run the linters follow these steps:
+If you would like to contribute to the codebase, please use the preconfigured linters to analyze the source code before sending a pull request. To run the linters follow these steps:
 
 1. Install developer dependencies:
 
 ```bash
 npm install
 ```
 
-2. Install Grunt:
+2. Run all linters:
 
 ```bash
-npm install -g grunt
-```
-
-3. Use Grunt to run all linters:
-
-```bash
-grunt
+npm run lint
 ```
 
 ## Got feedback?

Gruntfile.js

@@ -1,5 +1,5 @@
 const bodyParser = require('body-parser');
-const NodeHelper = require('node_helper'); // eslint-disable-line import/no-extraneous-dependencies
+const NodeHelper = require('node_helper'); // eslint-disable-line import/no-unresolved
 
 module.exports = NodeHelper.create({
   start() {
@@ -8,7 +8,7 @@ module.exports = NodeHelper.create({
 
   socketNotificationReceived(notificationName, payload) {
     if (notificationName === 'MMM-RemoteTemperature.INIT') {
-      console.log(`MMM-RemoteTemperature Node helper: Init notification received from module for sensor "${payload.sensorId}".`);
+      console.log(`MMM-RemoteTemperature Node helper: Init notification received from module for sensor "${payload.sensorId}".`); // eslint-disable-line no-console
     }
   },