Lint empty lines

app/.eslintrc

@@ -27,7 +27,9 @@
     "indent": ["warn", 4],
     "no-multi-spaces": ["warn", {"ignoreEOLComments": true} ],
     "comma-spacing": ["warn"],
-    "camelcase": ["warn", {"ignoreDestructuring": true ,"properties": "never"}]
+    "camelcase": ["warn", {"ignoreDestructuring": true ,"properties": "never"}],
+    "eol-last": ["warn", "always"],
+    "no-multiple-empty-lines": ["warn", {"max": 1}]
   },
   "plugins": [
     "jest",

app/src/api/building.js

@@ -165,7 +165,6 @@ function saveBuilding(buildingId, building, userId) {
     });
 }
 
-
 function likeBuilding(buildingId, userId) {
     // start transaction around save operation
     // - insert building-user like
@@ -220,7 +219,6 @@ function likeBuilding(buildingId, userId) {
     });
 }
 
-
 function unlikeBuilding(buildingId, userId) {
     // start transaction around save operation
     // - insert building-user like

app/src/api/user.js

@@ -4,7 +4,6 @@
  */
 import db from '../db';
 
-
 function createUser(user) {
     if (!user.password || user.password.length < 8) {
         return Promise.reject({ error: 'Password must be at least 8 characters' })

app/src/frontend/app.js

@@ -16,7 +16,6 @@ import MyAccountPage from './my-account';
 import SignUp from './signup';
 import Welcome from './welcome';
 
-
 /**
  * App component
  *

app/src/frontend/building-edit.js

@@ -11,7 +11,6 @@ import { parseCategoryURL } from '../parse';
 
 import CONFIG from './fields-config.json';
 
-
 const BuildingEdit = (props) => {
     if (!props.user){
         return <Redirect to="/sign-up.html" />

app/src/frontend/building-view.js

@@ -11,7 +11,6 @@ import { parseCategoryURL } from '../parse';
 
 import CONFIG from './fields-config.json';
 
-
 const BuildingView = (props) => {
     if (!props.building_id){
         return (

app/src/frontend/legend.js

@@ -3,7 +3,6 @@ import PropTypes from 'prop-types';
 
 import './legend.css';
 
-
 const LEGEND_CONFIG = {
     location: {
         title: 'Location',

app/src/index.js

@@ -6,7 +6,6 @@ import http from 'http';
 
 import app from './server';
 
-
 const server = http.createServer(app);
 
 let currentApp = app;

app/src/tiles/tile.js

@@ -198,5 +198,4 @@ function getHighlightTableDefinition(geometryId) {
     ) as highlight`
 }
 
-
 export { getBbox, getXYZ, renderTile, TILE_SIZE };

app/src/tiles/tileserver.js

@@ -181,7 +181,6 @@ function StitchTile(tileset, z, x, y) {
     });
 }
 
-
 function handleHighlightTileRequest(req, res) {
     const { z, x, y } = req.params
     const intZ = strictParseInt(z);