From c4c0e8105a8edc35205add749f461ec7be689aef Mon Sep 17 00:00:00 2001
From: Tom Hughes <tom@compton.nu>
Date: Sun, 14 Jul 2019 10:52:18 +0100
Subject: [PATCH 1/1] Enforce consistent indentation in javascript code

---
 app/assets/javascripts/application.js      |   4 +-
 app/assets/javascripts/id.js               |   4 +-
 app/assets/javascripts/index.js            |  16 ++--
 app/assets/javascripts/index/changeset.js  |   4 +-
 app/assets/javascripts/index/directions.js |  10 +-
 app/assets/javascripts/index/export.js     |   6 +-
 app/assets/javascripts/index/history.js    |   6 +-
 app/assets/javascripts/index/new_note.js   |  10 +-
 app/assets/javascripts/index/note.js       |  10 +-
 app/assets/javascripts/index/query.js      |  46 +++++-----
 app/assets/javascripts/index/search.js     |   2 +-
 app/assets/javascripts/leaflet.key.js      |   6 +-
 app/assets/javascripts/leaflet.layers.js   |   6 +-
 app/assets/javascripts/leaflet.map.js      |  30 +++---
 app/assets/javascripts/leaflet.query.js    |   2 +-
 app/assets/javascripts/leaflet.share.js    |  26 +++---
 app/assets/javascripts/leaflet.sidebar.js  |   8 +-
 app/assets/javascripts/leaflet.zoom.js     | 102 ++++++++++-----------
 app/assets/javascripts/router.js           |   8 +-
 config/eslint.json                         |   7 ++
 20 files changed, 160 insertions(+), 153 deletions(-)

diff --git a/app/assets/javascripts/application.js b/app/assets/javascripts/application.js
index b7acc3310..7c2e4665e 100644
--- a/app/assets/javascripts/application.js
+++ b/app/assets/javascripts/application.js
@@ -26,8 +26,8 @@ var qs = require("querystring-component");
 window.updateLinks = function (loc, zoom, layers, object) {
   $(".geolink").each(function (index, link) {
     var href = link.href.split(/[?#]/)[0],
-      args = qs.parse(link.search.substring(1)),
-      editlink = $(link).hasClass("editlink");
+        args = qs.parse(link.search.substring(1)),
+        editlink = $(link).hasClass("editlink");
 
     delete args.node;
     delete args.way;
diff --git a/app/assets/javascripts/id.js b/app/assets/javascripts/id.js
index 0aae749f7..ba16d9df2 100644
--- a/app/assets/javascripts/id.js
+++ b/app/assets/javascripts/id.js
@@ -27,8 +27,8 @@ document.addEventListener("DOMContentLoaded", function () {
     id.map().on("move.embed", parent.$.throttle(250, function () {
       if (id.inIntro()) return;
       var zoom = ~~id.map().zoom(),
-        center = id.map().center(),
-        llz = { lon: center[0], lat: center[1], zoom: zoom };
+          center = id.map().center(),
+          llz = { lon: center[0], lat: center[1], zoom: zoom };
 
       parent.updateLinks(llz, zoom);
 
diff --git a/app/assets/javascripts/index.js b/app/assets/javascripts/index.js
index 6228b2376..fd707e566 100644
--- a/app/assets/javascripts/index.js
+++ b/app/assets/javascripts/index.js
@@ -234,7 +234,7 @@ $(document).ready(function () {
     e.preventDefault();
 
     var data = $(this).data(),
-      center = L.latLng(data.lat, data.lon);
+        center = L.latLng(data.lat, data.lon);
 
     map.setView(center, data.zoom);
     L.marker(center, { icon: OSM.getUserIcon() }).addTo(map);
@@ -260,13 +260,13 @@ $(document).ready(function () {
     if (object) query.select = object.type + object.id;
 
     var iframe = $("<iframe>")
-        .hide()
-        .appendTo("body")
-        .attr("src", url + querystring.stringify(query))
-        .on("load", function () {
-          $(this).remove();
-          loaded = true;
-        });
+      .hide()
+      .appendTo("body")
+      .attr("src", url + querystring.stringify(query))
+      .on("load", function () {
+        $(this).remove();
+        loaded = true;
+      });
 
     setTimeout(function () {
       if (!loaded) {
diff --git a/app/assets/javascripts/index/changeset.js b/app/assets/javascripts/index/changeset.js
index 5ff8edc71..9e38917af 100644
--- a/app/assets/javascripts/index/changeset.js
+++ b/app/assets/javascripts/index/changeset.js
@@ -1,7 +1,7 @@
 OSM.Changeset = function (map) {
   var page = {},
-    content = $("#sidebar_content"),
-    currentChangesetId;
+      content = $("#sidebar_content"),
+      currentChangesetId;
 
   page.pushstate = page.popstate = function (path, id) {
     OSM.loadSidebarContent(path, function () {
diff --git a/app/assets/javascripts/index/directions.js b/app/assets/javascripts/index/directions.js
index 4283ef5aa..b14c05e29 100644
--- a/app/assets/javascripts/index/directions.js
+++ b/app/assets/javascripts/index/directions.js
@@ -260,11 +260,11 @@ OSM.Directions = function (map) {
 
       // Add each row
       route.steps.forEach(function (step) {
-        var ll        = step[0],
-          direction   = step[1],
-          instruction = step[2],
-          dist        = step[3],
-          lineseg     = step[4];
+        var ll          = step[0],
+            direction   = step[1],
+            instruction = step[2],
+            dist        = step[3],
+            lineseg     = step[4];
 
         if (dist < 5) {
           dist = "";
diff --git a/app/assets/javascripts/index/export.js b/app/assets/javascripts/index/export.js
index 67530370d..b9050d8a1 100644
--- a/app/assets/javascripts/index/export.js
+++ b/app/assets/javascripts/index/export.js
@@ -43,9 +43,9 @@ OSM.Export = function (map) {
     $("#maxlat").val(bounds.getNorth().toFixed(precision));
 
     $("#export_overpass").attr("href",
-        "https://overpass-api.de/api/map?bbox=" +
-        $("#minlon").val() + "," + $("#minlat").val() + "," +
-        $("#maxlon").val() + "," + $("#maxlat").val());
+                               "https://overpass-api.de/api/map?bbox=" +
+                               $("#minlon").val() + "," + $("#minlat").val() + "," +
+                               $("#maxlon").val() + "," + $("#maxlat").val());
   }
 
   function validateControls() {
diff --git a/app/assets/javascripts/index/history.js b/app/assets/javascripts/index/history.js
index a0c68e840..ed0ff3d9a 100644
--- a/app/assets/javascripts/index/history.js
+++ b/app/assets/javascripts/index/history.js
@@ -71,7 +71,7 @@ OSM.History = function (map) {
     });
 
     var feedLink = $("link[type=\"application/atom+xml\"]"),
-      feedHref = feedLink.attr("href").split("?")[0];
+        feedHref = feedLink.attr("href").split("?")[0];
 
     feedLink.attr("href", feedHref + "?bbox=" + data.bbox);
   }
@@ -123,8 +123,8 @@ OSM.History = function (map) {
 
     for (var i = 0; i < changesets.length; ++i) {
       var changeset = changesets[i],
-        rect = L.rectangle(changeset.bounds,
-          { weight: 2, color: "#FF9500", opacity: 1, fillColor: "#FFFFAF", fillOpacity: 0 });
+          rect = L.rectangle(changeset.bounds,
+                             { weight: 2, color: "#FF9500", opacity: 1, fillColor: "#FFFFAF", fillOpacity: 0 });
       rect.id = changeset.id;
       rect.addTo(group);
     }
diff --git a/app/assets/javascripts/index/new_note.js b/app/assets/javascripts/index/new_note.js
index 7196a779b..fbb6a25c4 100644
--- a/app/assets/javascripts/index/new_note.js
+++ b/app/assets/javascripts/index/new_note.js
@@ -1,10 +1,10 @@
 OSM.NewNote = function (map) {
   var noteLayer = map.noteLayer,
-    content = $("#sidebar_content"),
-    page = {},
-    addNoteButton = $(".control-note .control-button"),
-    newNote,
-    halo;
+      content = $("#sidebar_content"),
+      page = {},
+      addNoteButton = $(".control-note .control-button"),
+      newNote,
+      halo;
 
   var noteIcons = {
     "new": L.icon({
diff --git a/app/assets/javascripts/index/note.js b/app/assets/javascripts/index/note.js
index 52bb1c909..3793c573e 100644
--- a/app/assets/javascripts/index/note.js
+++ b/app/assets/javascripts/index/note.js
@@ -1,7 +1,7 @@
 OSM.Note = function (map) {
   var content = $("#sidebar_content"),
-    page = {},
-    halo, currentNote;
+      page = {},
+      halo, currentNote;
 
   var noteIcons = {
     "new": L.icon({
@@ -39,7 +39,7 @@ OSM.Note = function (map) {
     OSM.loadSidebarContent(path, function () {
       initialize(function () {
         var data = $(".details").data(),
-          latLng = L.latLng(data.coordinates.split(","));
+            latLng = L.latLng(data.coordinates.split(","));
         if (!map.getBounds().contains(latLng)) moveToNote();
       });
     });
@@ -71,7 +71,7 @@ OSM.Note = function (map) {
     content.find("textarea").val("").trigger("input");
 
     var data = $(".details").data(),
-      latLng = L.latLng(data.coordinates.split(","));
+        latLng = L.latLng(data.coordinates.split(","));
 
     if (!map.hasLayer(halo)) {
       halo = L.circleMarker(latLng, {
@@ -97,7 +97,7 @@ OSM.Note = function (map) {
 
   function moveToNote() {
     var data = $(".details").data(),
-      latLng = L.latLng(data.coordinates.split(","));
+        latLng = L.latLng(data.coordinates.split(","));
 
     if (!window.location.hash || window.location.hash.match(/^#?c[0-9]+$/)) {
       OSM.router.withoutMoveListener(function () {
diff --git a/app/assets/javascripts/index/query.js b/app/assets/javascripts/index/query.js
index 6869e19f6..8583c805a 100644
--- a/app/assets/javascripts/index/query.js
+++ b/app/assets/javascripts/index/query.js
@@ -2,9 +2,9 @@
 
 OSM.Query = function (map) {
   var url = OSM.OVERPASS_URL,
-    queryButton = $(".control-query .control-button"),
-    uninterestingTags = ["source", "source_ref", "source:ref", "history", "attribution", "created_by", "tiger:county", "tiger:tlid", "tiger:upload_uuid", "KSJ2:curve_id", "KSJ2:lat", "KSJ2:lon", "KSJ2:coordinate", "KSJ2:filename", "note:ja"],
-    marker;
+      queryButton = $(".control-query .control-button"),
+      uninterestingTags = ["source", "source_ref", "source:ref", "history", "attribution", "created_by", "tiger:county", "tiger:tlid", "tiger:upload_uuid", "KSJ2:curve_id", "KSJ2:lat", "KSJ2:lon", "KSJ2:coordinate", "KSJ2:filename", "note:ja"],
+      marker;
 
   var featureStyle = {
     color: "#FF6200",
@@ -103,7 +103,7 @@ OSM.Query = function (map) {
 
         if (prefixes[key]) {
           var first = value.substr(0, 1).toUpperCase(),
-            rest = value.substr(1).replace(/_/g, " ");
+              rest = value.substr(1).replace(/_/g, " ");
 
           return first + rest;
         }
@@ -119,7 +119,7 @@ OSM.Query = function (map) {
 
   function featureName(feature) {
     var tags = feature.tags,
-      locales = I18n.locales.get();
+        locales = I18n.locales.get();
 
     for (var i = 0; i < locales.length; i++) {
       if (tags["name:" + locales[i]]) {
@@ -249,11 +249,11 @@ OSM.Query = function (map) {
 
   function compareSize(feature1, feature2) {
     var width1 = feature1.bounds.maxlon - feature1.bounds.minlon,
-      height1 = feature1.bounds.maxlat - feature1.bounds.minlat,
-      area1 = width1 * height1,
-      width2 = feature2.bounds.maxlat - feature2.bounds.minlat,
-      height2 = feature2.bounds.maxlat - feature2.bounds.minlat,
-      area2 = width2 * height2;
+        height1 = feature1.bounds.maxlat - feature1.bounds.minlat,
+        area1 = width1 * height1,
+        width2 = feature2.bounds.maxlat - feature2.bounds.minlat,
+        height2 = feature2.bounds.maxlat - feature2.bounds.minlat,
+        area2 = width2 * height2;
 
     return area1 - area2;
   }
@@ -280,15 +280,15 @@ OSM.Query = function (map) {
    */
   function queryOverpass(lat, lng) {
     var latlng = L.latLng(lat, lng).wrap(),
-      bounds = map.getBounds().wrap(),
-      bbox = bounds.getSouth() + "," + bounds.getWest() + "," + bounds.getNorth() + "," + bounds.getEast(),
-      radius = 10 * Math.pow(1.5, 19 - map.getZoom()),
-      around = "around:" + radius + "," + lat + "," + lng,
-      nodes = "node(" + around + ")",
-      ways = "way(" + around + ")",
-      relations = "relation(" + around + ")",
-      nearby = "(" + nodes + ";" + ways + ";);out tags geom(" + bbox + ");" + relations + ";out geom(" + bbox + ");",
-      isin = "is_in(" + lat + "," + lng + ")->.a;way(pivot.a);out tags bb;out ids geom(" + bbox + ");relation(pivot.a);out tags bb;";
+        bounds = map.getBounds().wrap(),
+        bbox = bounds.getSouth() + "," + bounds.getWest() + "," + bounds.getNorth() + "," + bounds.getEast(),
+        radius = 10 * Math.pow(1.5, 19 - map.getZoom()),
+        around = "around:" + radius + "," + lat + "," + lng,
+        nodes = "node(" + around + ")",
+        ways = "way(" + around + ")",
+        relations = "relation(" + around + ")",
+        nearby = "(" + nodes + ";" + ways + ";);out tags geom(" + bbox + ");" + relations + ";out geom(" + bbox + ");",
+        isin = "is_in(" + lat + "," + lng + ")->.a;way(pivot.a);out tags bb;out ids geom(" + bbox + ");relation(pivot.a);out tags bb;";
 
     $("#sidebar_content .query-intro")
       .hide();
@@ -313,9 +313,9 @@ OSM.Query = function (map) {
 
   function clickHandler(e) {
     var precision = OSM.zoomPrecision(map.getZoom()),
-      latlng = e.latlng.wrap(),
-      lat = latlng.lat.toFixed(precision),
-      lng = latlng.lng.toFixed(precision);
+        latlng = e.latlng.wrap(),
+        lat = latlng.lat.toFixed(precision),
+        lng = latlng.lng.toFixed(precision);
 
     OSM.router.route("/query?lat=" + lat + "&lon=" + lng);
   }
@@ -343,7 +343,7 @@ OSM.Query = function (map) {
 
   page.load = function (path, noCentre) {
     var params = querystring.parse(path.substring(path.indexOf("?") + 1)),
-      latlng = L.latLng(params.lat, params.lon);
+        latlng = L.latLng(params.lat, params.lon);
 
     if (!window.location.hash && !noCentre && !map.getBounds().contains(latlng)) {
       OSM.router.withoutMoveListener(function () {
diff --git a/app/assets/javascripts/index/search.js b/app/assets/javascripts/index/search.js
index fa9546f4e..a3e53382a 100644
--- a/app/assets/javascripts/index/search.js
+++ b/app/assets/javascripts/index/search.js
@@ -33,7 +33,7 @@ OSM.Search = function (map) {
   $(".describe_location").on("click", function (e) {
     e.preventDefault();
     var center = map.getCenter().wrap(),
-      precision = OSM.zoomPrecision(map.getZoom());
+        precision = OSM.zoomPrecision(map.getZoom());
     OSM.router.route("/search?whereami=1&query=" + encodeURIComponent(
       center.lat.toFixed(precision) + "," + center.lng.toFixed(precision)
     ));
diff --git a/app/assets/javascripts/leaflet.key.js b/app/assets/javascripts/leaflet.key.js
index 321f937db..e839171ab 100644
--- a/app/assets/javascripts/leaflet.key.js
+++ b/app/assets/javascripts/leaflet.key.js
@@ -65,13 +65,13 @@ L.OSM.key = function (options) {
         .toggleClass("disabled", disabled)
         .attr("data-original-title",
               I18n.t(disabled ?
-                     "javascripts.key.tooltip_disabled" :
-                     "javascripts.key.tooltip"));
+                "javascripts.key.tooltip_disabled" :
+                "javascripts.key.tooltip"));
     }
 
     function update() {
       var layer = map.getMapBaseLayerId(),
-        zoom = map.getZoom();
+          zoom = map.getZoom();
 
       $(".mapkey-table-entry").each(function () {
         var data = $(this).data();
diff --git a/app/assets/javascripts/leaflet.layers.js b/app/assets/javascripts/leaflet.layers.js
index b12c0c89d..241880a20 100644
--- a/app/assets/javascripts/leaflet.layers.js
+++ b/app/assets/javascripts/leaflet.layers.js
@@ -84,9 +84,9 @@ L.OSM.layers = function (options) {
         .appendTo(item);
 
       var input = $("<input>")
-         .attr("type", "radio")
-         .prop("checked", map.hasLayer(layer))
-         .appendTo(label);
+        .attr("type", "radio")
+        .prop("checked", map.hasLayer(layer))
+        .appendTo(label);
 
       label.append(layer.options.name);
 
diff --git a/app/assets/javascripts/leaflet.map.js b/app/assets/javascripts/leaflet.map.js
index fe8d74af5..4d42030bc 100644
--- a/app/assets/javascripts/leaflet.map.js
+++ b/app/assets/javascripts/leaflet.map.js
@@ -115,8 +115,8 @@ L.OSM.Map = L.Map.extend({
     }
 
     var url = window.location.protocol + "//" + OSM.SERVER_URL + "/",
-      query = querystring.stringify(params),
-      hash = OSM.formatHash(this);
+        query = querystring.stringify(params),
+        hash = OSM.formatHash(this);
 
     if (query) url += "?" + query;
     if (hash) url += hash;
@@ -126,19 +126,19 @@ L.OSM.Map = L.Map.extend({
 
   getShortUrl: function (marker) {
     var zoom = this.getZoom(),
-      latLng = marker && this.hasLayer(marker) ? marker.getLatLng().wrap() : this.getCenter().wrap(),
-      str = window.location.hostname.match(/^www\.openstreetmap\.org/i) ?
-        window.location.protocol + "//osm.org/go/" :
-        window.location.protocol + "//" + window.location.hostname + "/go/",
-      char_array = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_~",
-      x = Math.round((latLng.lng + 180.0) * ((1 << 30) / 90.0)),
-      y = Math.round((latLng.lat + 90.0) * ((1 << 30) / 45.0)),
-      // JavaScript only has to keep 32 bits of bitwise operators, so this has to be
-      // done in two parts. each of the parts c1/c2 has 30 bits of the total in it
-      // and drops the last 4 bits of the full 64 bit Morton code.
-      c1 = interlace(x >>> 17, y >>> 17), c2 = interlace((x >>> 2) & 0x7fff, (y >>> 2) & 0x7fff),
-      digit,
-      i;
+        latLng = marker && this.hasLayer(marker) ? marker.getLatLng().wrap() : this.getCenter().wrap(),
+        str = window.location.hostname.match(/^www\.openstreetmap\.org/i) ?
+          window.location.protocol + "//osm.org/go/" :
+          window.location.protocol + "//" + window.location.hostname + "/go/",
+        char_array = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_~",
+        x = Math.round((latLng.lng + 180.0) * ((1 << 30) / 90.0)),
+        y = Math.round((latLng.lat + 90.0) * ((1 << 30) / 45.0)),
+        // JavaScript only has to keep 32 bits of bitwise operators, so this has to be
+        // done in two parts. each of the parts c1/c2 has 30 bits of the total in it
+        // and drops the last 4 bits of the full 64 bit Morton code.
+        c1 = interlace(x >>> 17, y >>> 17), c2 = interlace((x >>> 2) & 0x7fff, (y >>> 2) & 0x7fff),
+        digit,
+        i;
 
     for (i = 0; i < Math.ceil((zoom + 8) / 3.0) && i < 5; ++i) {
       digit = (c1 >> (24 - (6 * i))) & 0x3f;
diff --git a/app/assets/javascripts/leaflet.query.js b/app/assets/javascripts/leaflet.query.js
index 8e45014a3..5f449c214 100644
--- a/app/assets/javascripts/leaflet.query.js
+++ b/app/assets/javascripts/leaflet.query.js
@@ -17,7 +17,7 @@ L.OSM.query = function (options) {
 
     function update() {
       var wasDisabled = link.hasClass("disabled"),
-        isDisabled = map.getZoom() < 14;
+          isDisabled = map.getZoom() < 14;
       link
         .toggleClass("disabled", isDisabled)
         .attr("data-original-title", I18n.t(isDisabled ?
diff --git a/app/assets/javascripts/leaflet.share.js b/app/assets/javascripts/leaflet.share.js
index 69100e420..eedfe3ab3 100644
--- a/app/assets/javascripts/leaflet.share.js
+++ b/app/assets/javascripts/leaflet.share.js
@@ -1,10 +1,10 @@
 L.OSM.share = function (options) {
   var control = L.control(options),
-    marker = L.marker([0, 0], { draggable: true }),
-    locationFilter = new L.LocationFilter({
-      enableButton: false,
-      adjustButton: false
-    });
+      marker = L.marker([0, 0], { draggable: true }),
+      locationFilter = new L.LocationFilter({
+        enableButton: false,
+        adjustButton: false
+      });
 
   control.onAdd = function (map) {
     var $container = $("<div>")
@@ -364,9 +364,9 @@ L.OSM.share = function (options) {
       }
 
       var scale = $("#mapnik_scale").val(),
-        size = L.bounds(L.CRS.EPSG3857.project(bounds.getSouthWest()),
-                        L.CRS.EPSG3857.project(bounds.getNorthEast())).getSize(),
-        maxScale = Math.floor(Math.sqrt(size.x * size.y / 0.3136));
+          size = L.bounds(L.CRS.EPSG3857.project(bounds.getSouthWest()),
+                          L.CRS.EPSG3857.project(bounds.getNorthEast())).getSize(),
+          maxScale = Math.floor(Math.sqrt(size.x * size.y / 0.3136));
 
       $("#mapnik_minlon").val(bounds.getWest());
       $("#mapnik_minlat").val(bounds.getSouth());
@@ -396,11 +396,11 @@ L.OSM.share = function (options) {
 
     function getScale() {
       var bounds = map.getBounds(),
-        centerLat = bounds.getCenter().lat,
-        halfWorldMeters = 6378137 * Math.PI * Math.cos(centerLat * Math.PI / 180),
-        meters = halfWorldMeters * (bounds.getEast() - bounds.getWest()) / 180,
-        pixelsPerMeter = map.getSize().x / meters,
-        metersPerPixel = 1 / (92 * 39.3701);
+          centerLat = bounds.getCenter().lat,
+          halfWorldMeters = 6378137 * Math.PI * Math.cos(centerLat * Math.PI / 180),
+          meters = halfWorldMeters * (bounds.getEast() - bounds.getWest()) / 180,
+          pixelsPerMeter = map.getSize().x / meters,
+          metersPerPixel = 1 / (92 * 39.3701);
       return Math.round(1 / (pixelsPerMeter * metersPerPixel));
     }
 
diff --git a/app/assets/javascripts/leaflet.sidebar.js b/app/assets/javascripts/leaflet.sidebar.js
index bb046f99a..f51aaa728 100644
--- a/app/assets/javascripts/leaflet.sidebar.js
+++ b/app/assets/javascripts/leaflet.sidebar.js
@@ -1,9 +1,9 @@
 L.OSM.sidebar = function (selector) {
   var control = {},
-    sidebar = $(selector),
-    current = $(),
-    currentButton = $(),
-    map;
+      sidebar = $(selector),
+      current = $(),
+      currentButton = $(),
+      map;
 
   control.addTo = function (_) {
     map = _;
diff --git a/app/assets/javascripts/leaflet.zoom.js b/app/assets/javascripts/leaflet.zoom.js
index 342993347..20a02befa 100644
--- a/app/assets/javascripts/leaflet.zoom.js
+++ b/app/assets/javascripts/leaflet.zoom.js
@@ -1,72 +1,72 @@
 L.OSM.Zoom = L.Control.extend({
-        options: {
-                position: "topright"
-        },
+  options: {
+    position: "topright"
+  },
 
-        onAdd: function (map) {
-                var zoomName = "zoom",
-                    container = L.DomUtil.create("div", zoomName);
+  onAdd: function (map) {
+    var zoomName = "zoom",
+        container = L.DomUtil.create("div", zoomName);
 
-                this._map = map;
+    this._map = map;
 
-                this._zoomInButton = this._createButton(
-                        "", I18n.t("javascripts.map.zoom.in"), zoomName + "in", container, this._zoomIn, this);
-                this._zoomOutButton = this._createButton(
-                        "", I18n.t("javascripts.map.zoom.out"), zoomName + "out", container, this._zoomOut, this);
+    this._zoomInButton = this._createButton(
+      "", I18n.t("javascripts.map.zoom.in"), zoomName + "in", container, this._zoomIn, this);
+    this._zoomOutButton = this._createButton(
+      "", I18n.t("javascripts.map.zoom.out"), zoomName + "out", container, this._zoomOut, this);
 
-                map.on("zoomend zoomlevelschange", this._updateDisabled, this);
+    map.on("zoomend zoomlevelschange", this._updateDisabled, this);
 
-                return container;
-        },
+    return container;
+  },
 
-        onRemove: function (map) {
-                map.off("zoomend zoomlevelschange", this._updateDisabled, this);
-        },
+  onRemove: function (map) {
+    map.off("zoomend zoomlevelschange", this._updateDisabled, this);
+  },
 
-        _zoomIn: function (e) {
-                this._map.zoomIn(e.shiftKey ? 3 : 1);
-        },
+  _zoomIn: function (e) {
+    this._map.zoomIn(e.shiftKey ? 3 : 1);
+  },
 
-        _zoomOut: function (e) {
-                this._map.zoomOut(e.shiftKey ? 3 : 1);
-        },
+  _zoomOut: function (e) {
+    this._map.zoomOut(e.shiftKey ? 3 : 1);
+  },
 
-        _createButton: function (html, title, className, container, fn, context) {
-                var link = L.DomUtil.create("a", "control-button " + className, container);
-                link.innerHTML = html;
-                link.href = "#";
-                link.title = title;
+  _createButton: function (html, title, className, container, fn, context) {
+    var link = L.DomUtil.create("a", "control-button " + className, container);
+    link.innerHTML = html;
+    link.href = "#";
+    link.title = title;
 
-                L.DomUtil.create("span", "icon " + className, link);
+    L.DomUtil.create("span", "icon " + className, link);
 
-                var stop = L.DomEvent.stopPropagation;
+    var stop = L.DomEvent.stopPropagation;
 
-                L.DomEvent
-                    .on(link, "click", stop)
-                    .on(link, "mousedown", stop)
-                    .on(link, "dblclick", stop)
-                    .on(link, "click", L.DomEvent.preventDefault)
-                    .on(link, "click", fn, context);
+    L.DomEvent
+      .on(link, "click", stop)
+      .on(link, "mousedown", stop)
+      .on(link, "dblclick", stop)
+      .on(link, "click", L.DomEvent.preventDefault)
+      .on(link, "click", fn, context);
 
-                return link;
-        },
+    return link;
+  },
 
-        _updateDisabled: function () {
-                var map = this._map,
-                        className = "disabled";
+  _updateDisabled: function () {
+    var map = this._map,
+        className = "disabled";
 
-                L.DomUtil.removeClass(this._zoomInButton, className);
-                L.DomUtil.removeClass(this._zoomOutButton, className);
+    L.DomUtil.removeClass(this._zoomInButton, className);
+    L.DomUtil.removeClass(this._zoomOutButton, className);
 
-                if (map._zoom === map.getMinZoom()) {
-                        L.DomUtil.addClass(this._zoomOutButton, className);
-                }
-                if (map._zoom === map.getMaxZoom()) {
-                        L.DomUtil.addClass(this._zoomInButton, className);
-                }
-        }
+    if (map._zoom === map.getMinZoom()) {
+      L.DomUtil.addClass(this._zoomOutButton, className);
+    }
+    if (map._zoom === map.getMaxZoom()) {
+      L.DomUtil.addClass(this._zoomInButton, className);
+    }
+  }
 });
 
 L.OSM.zoom = function (options) {
-        return new L.OSM.Zoom(options);
+  return new L.OSM.Zoom(options);
 };
diff --git a/app/assets/javascripts/router.js b/app/assets/javascripts/router.js
index a2a20b846..7bd2aabb9 100644
--- a/app/assets/javascripts/router.js
+++ b/app/assets/javascripts/router.js
@@ -96,8 +96,8 @@ OSM.Router = function (map, rts) {
   };
 
   var currentPath = window.location.pathname.replace(/(.)\/$/, "$1") + window.location.search,
-    currentRoute = routes.recognize(currentPath),
-    currentHash = location.hash || OSM.formatHash(map);
+      currentRoute = routes.recognize(currentPath),
+      currentHash = location.hash || OSM.formatHash(map);
 
   var router = {};
 
@@ -105,7 +105,7 @@ OSM.Router = function (map, rts) {
     $(window).on("popstate", function (e) {
       if (!e.originalEvent.state) return; // Is it a real popstate event or just a hash change?
       var path = window.location.pathname + window.location.search,
-        route = routes.recognize(path);
+          route = routes.recognize(path);
       if (path === currentPath) return;
       currentRoute.run("unload", null, route === currentRoute);
       currentPath = path;
@@ -116,7 +116,7 @@ OSM.Router = function (map, rts) {
 
     router.route = function (url) {
       var path = url.replace(/#.*/, ""),
-        route = routes.recognize(path);
+          route = routes.recognize(path);
       if (!route) return false;
       currentRoute.run("unload", null, route === currentRoute);
       var state = OSM.parseHash(url);
diff --git a/config/eslint.json b/config/eslint.json
index 8790b5edf..090b3f238 100644
--- a/config/eslint.json
+++ b/config/eslint.json
@@ -33,6 +33,13 @@
     "eol-last": "error",
     "eqeqeq": ["error", "smart"],
     "func-call-spacing": "error",
+    "indent": ["error", 2, {
+      "SwitchCase": 1,
+      "VariableDeclarator": "first",
+      "FunctionDeclaration": { "parameters": "first" },
+      "FunctionExpression": { "parameters": "first" },
+      "CallExpression": { "arguments": "first" }
+    }],
     "key-spacing": "error",
     "keyword-spacing": "error",
     "no-alert": "warn",
-- 
2.39.5