add 500 page and some refactoring

Author: voronin-ivan

.eslintignore

@@ -1,3 +1,4 @@
 node_modules
 dist
 tests
+coverage

.eslintrc.yml

@@ -11,4 +11,3 @@ rules:
     prefer-destructuring: [error, {object: false}]
     no-console: 0
     no-return-await: 0
-    no-underscore-dangle: 0

.nvmrc

@@ -1 +1 @@
-9
+8

.travis.yml

@@ -8,6 +8,7 @@ node_js:
 
 script:
 - npm run lint
+- npm run mocha
 - npm run build
 
 notifications:

package-lock.json

@@ -1,16 +1,18 @@
 {
   "name": "shri-4-nodejs",
-  "version": "1.0.0",
+  "version": "1.0.3",
   "scripts": {
     "lint": "eslint \"**/*.js\"",
     "mocha": "nyc mocha tests/unit && nyc report --reporter=html --report-dir=\"./coverage/mocha\"",
     "hermione": "hermione",
-    "selenium": "selenium-standalone install && selenium-standalone start",
+    "selenium": "selenium-standalone start",
+    "selenium-install": "selenium-standalone install",
     "test": "npm run mocha && npm run hermione",
     "clone": "rm -rf repo && git clone --mirror https://github.com/voronin-ivan/test.git repo",
     "build": "webpack",
     "dev": "webpack --watch | nodemon index.js",
-    "start": "NODE_ENV=production npm run build && node index.js"
+    "start": "NODE_ENV=production npm run build && node index.js",
+    "postinstall": "npm run clone && npm run selenium-install"
   },
   "repository": {
     "type": "git",

package.json

@@ -17,7 +17,9 @@ router.get('/', async (req, res) => {
         });
     } catch (error) {
         console.error(error);
-        return res.status(404).render('404');
+        return error.code === 'ENOENT' ?
+            res.status(500).render('500') :
+            res.status(404).render('404');
     }
 });
 

server/router.js

@@ -0,0 +1,8 @@
+extends layout
+block head
+    title='Repository not found'
+block content
+    header
+        h1.title Repository not found
+    main
+        h2 Try 'npm run clone'

server/views/500.pug

@@ -0,0 +1 @@
+import './scss/style.scss';