Replace use of I18n in javascript with OSM.i18n

[rails.git] / app / assets / javascripts / embed.js.erb

diff --git a/app/assets/javascripts/embed.js.erb b/app/assets/javascripts/embed.js.erb
index ef6f0067098162c0a234d5f9d268e1d6231ce191..297259043c212efed20aafec5db4704ee96c4ad5 100644 (file)
--- a/app/assets/javascripts/embed.js.erb
+++ b/app/assets/javascripts/embed.js.erb
@@ -1,56 +1,43 @@
 //= depend_on settings.yml
 //= depend_on settings.local.yml
+//= depend_on layers.yml
 //= require leaflet/dist/leaflet-src
 //= require leaflet.osm
 //= require i18n
 //= require i18n/embed
 
+const OSM = { i18n: I18n };
+
 if (navigator.languages) {
-  I18n.locale = navigator.languages[0];
+  OSM.i18n.locale = navigator.languages[0];
 } else if (navigator.language) {
-  I18n.locale = navigator.language;
+  OSM.i18n.locale = navigator.language;
 }
 
-I18n.default_locale = <%= I18n.default_locale.to_json %>;
-I18n.fallbacks = true;
+OSM.i18n.default_locale = <%= I18n.default_locale.to_json %>;
+OSM.i18n.fallbacks = true;
 
 window.onload = function () {
-  var query = (window.location.search || "?").slice(1),
-      args = {};
-
-  var pairs = query.split("&");
-  for (var i = 0; i < pairs.length; i++) {
-    var parts = pairs[i].split("=");
-    args[parts[0]] = decodeURIComponent(parts[1] || "");
-  }
+  const args = Object.fromEntries(new URLSearchParams(location.search));
 
-  var mapnikOptions = {
+  const options = {
+    mapnik: {
 <% if Settings.key?(:tile_cdn_url) %>
-    url: <%= Settings.tile_cdn_url.to_json %>
-<% end %>
-  };
-
-  var thunderforestOptions = {
-<% if Settings.key?(:thunderforest_key) %>
-    apikey: <%= Settings.thunderforest_key.to_json %>
+      url: <%= Settings.tile_cdn_url.to_json %>
 <% end %>
+    }
   };
 
-  var map = L.map("map");
+  const map = L.map("map");
   map.attributionControl.setPrefix("");
   map.removeControl(map.attributionControl);
 
-  if (args.layer === "cyclosm") {
-    new L.OSM.CyclOSM().addTo(map);
-  } else if (args.layer === "cyclemap" || args.layer === "cycle map") {
-    new L.OSM.CycleMap(thunderforestOptions).addTo(map);
-  } else if (args.layer === "transportmap") {
-    new L.OSM.TransportMap(thunderforestOptions).addTo(map);
-  } else if (args.layer === "hot") {
-    new L.OSM.HOT().addTo(map);
-  } else {
-    new L.OSM.Mapnik(mapnikOptions).addTo(map);
-  }
+  const isDarkTheme = args.theme === "dark" || (args.theme !== "light" && window.matchMedia("(prefers-color-scheme: dark)").matches);
+  const layers = <%= MapLayers::embed_definitions("config/layers.yml").to_json %>;
+  const layerId = (args.layer || "").replaceAll(" ", "");
+  const layerConfig = layers[layerId] || layers.mapnik;
+  const layer = (isDarkTheme && layerConfig.leafletOsmDarkId) || layerConfig.leafletOsmId;
+  new L.OSM[layer]({ apikey: layerConfig.apikey, ...options[layerId] }).addTo(map);
 
   if (args.marker) {
     L.marker(args.marker.split(","), { icon: L.icon({
@@ -62,15 +49,8 @@ window.onload = function () {
     }) }).addTo(map);
   }
 
-  if (args.bbox) {
-    var bbox = args.bbox.split(",");
-    map.fitBounds([
-      L.latLng(bbox[1], bbox[0]),
-      L.latLng(bbox[3], bbox[2])
-    ]);
-  } else {
-    map.fitWorld();
-  }
+  const bbox = (args.bbox || "-180,-90,180,90").split(",");
+  map.fitBounds([[bbox[1], bbox[0]], [bbox[3], bbox[2]]]);
 
   map.addControl(new L.Control.OSMReportAProblem());
 };
@@ -78,11 +58,11 @@ window.onload = function () {
 L.Control.OSMReportAProblem = L.Control.Attribution.extend({
   options: {
     position: "bottomright",
-    prefix: "<a href=\"https://www.openstreetmap.org/fixthemap?lat={x}&lon={y}&zoom={z}\" target=\"_blank\">" + I18n.t("javascripts.embed.report_problem") + "</a>"
+    prefix: `<a href="https://www.openstreetmap.org/fixthemap?lat={x}&lon={y}&zoom={z}" target="_blank">${OSM.i18n.t("javascripts.embed.report_problem")}</a>`
   },
 
   onAdd: function (map) {
-    var container = L.Control.Attribution.prototype.onAdd.call(this, map);
+    const container = L.Control.Attribution.prototype.onAdd.call(this, map);
 
     map.on("moveend", this._update, this);