Move map layer ids/codes/keys to layer definition data

diff --git a/app/assets/javascripts/leaflet.map.js b/app/assets/javascripts/leaflet.map.js
index fe4b139d14f41e9ff017ee83f10a0395bb6b1274..d053a81ce4d873a44c0e9d7e8ce0834668193beb 100644 (file)
--- a/app/assets/javascripts/leaflet.map.js
+++ b/app/assets/javascripts/leaflet.map.js
@@ -15,109 +15,125 @@ L.OSM.Map = L.Map.extend({
   initialize: function (id, options) {
     L.Map.prototype.initialize.call(this, id, options);
 
-    const layerCredits = {
-      mapnik: {
-        id: "make_a_donation",
-        href: "https://supporting.openstreetmap.org",
-        donate: true
+    const layerDefinitions = [
+      {
+        leafletOsmId: "Mapnik",
+        code: "M",
+        keyId: "mapnik",
+        nameId: "standard",
+        credit: {
+          id: "make_a_donation",
+          href: "https://supporting.openstreetmap.org",
+          donate: true
+        }
+      },
+      {
+        leafletOsmId: "CyclOSM",
+        code: "Y",
+        keyId: "cyclosm",
+        nameId: "cyclosm",
+        credit: {
+          id: "cyclosm_credit",
+          children: {
+            cyclosm_link: {
+              id: "cyclosm_name",
+              href: "https://www.cyclosm.org"
+            },
+            osm_france_link: {
+              id: "osm_france",
+              href: "https://openstreetmap.fr/"
+            }
+          }
+        }
       },
-      cyclosm: {
-        id: "cyclosm_credit",
-        children: {
-          cyclosm_link: {
-            id: "cyclosm_name",
-            href: "https://www.cyclosm.org"
-          },
-          osm_france_link: {
-            id: "osm_france",
-            href: "https://openstreetmap.fr/"
+      {
+        leafletOsmId: "CycleMap",
+        code: "C",
+        keyId: "cyclemap",
+        nameId: "cycle_map",
+        apiKeyId: "THUNDERFOREST_KEY",
+        credit: {
+          id: "thunderforest_credit",
+          children: {
+            thunderforest_link: {
+              id: "andy_allan",
+              href: "https://www.thunderforest.com/"
+            }
           }
         }
       },
-      thunderforest: {
-        id: "thunderforest_credit",
-        children: {
-          thunderforest_link: {
-            id: "andy_allan",
-            href: "https://www.thunderforest.com/"
+      {
+        leafletOsmId: "TransportMap",
+        code: "T",
+        keyId: "transportmap",
+        nameId: "transport_map",
+        apiKeyId: "THUNDERFOREST_KEY",
+        credit: {
+          id: "thunderforest_credit",
+          children: {
+            thunderforest_link: {
+              id: "andy_allan",
+              href: "https://www.thunderforest.com/"
+            }
           }
         }
       },
-      tracestrack: {
-        id: "tracestrack_credit",
-        children: {
-          tracestrack_link: {
-            id: "tracestrack",
-            href: "https://www.tracestrack.com/"
+      {
+        leafletOsmId: "TracestrackTopo",
+        code: "P",
+        keyId: "tracestracktopo",
+        nameId: "tracestracktop_topo",
+        apiKeyId: "TRACESTRACK_KEY",
+        credit: {
+          id: "tracestrack_credit",
+          children: {
+            tracestrack_link: {
+              id: "tracestrack",
+              href: "https://www.tracestrack.com/"
+            }
           }
         }
       },
-      hotosm: {
-        id: "hotosm_credit",
-        children: {
-          hotosm_link: {
-            id: "hotosm_name",
-            href: "https://www.hotosm.org/"
-          },
-          osm_france_link: {
-            id: "osm_france",
-            href: "https://openstreetmap.fr/"
+      {
+        leafletOsmId: "HOT",
+        code: "H",
+        keyId: "hot",
+        nameId: "hot",
+        credit: {
+          id: "hotosm_credit",
+          children: {
+            hotosm_link: {
+              id: "hotosm_name",
+              href: "https://www.hotosm.org/"
+            },
+            osm_france_link: {
+              id: "osm_france",
+              href: "https://openstreetmap.fr/"
+            }
           }
         }
       }
-    };
+    ];
 
     this.baseLayers = [];
 
-    this.baseLayers.push(new L.OSM.Mapnik({
-      attribution: makeAttribution("mapnik"),
-      code: "M",
-      keyid: "mapnik",
-      name: I18n.t("javascripts.map.base.standard")
-    }));
-
-    this.baseLayers.push(new L.OSM.CyclOSM({
-      attribution: makeAttribution("cyclosm"),
-      code: "Y",
-      keyid: "cyclosm",
-      name: I18n.t("javascripts.map.base.cyclosm")
-    }));
-
-    if (OSM.THUNDERFOREST_KEY) {
-      this.baseLayers.push(new L.OSM.CycleMap({
-        attribution: makeAttribution("thunderforest"),
-        apikey: OSM.THUNDERFOREST_KEY,
-        code: "C",
-        keyid: "cyclemap",
-        name: I18n.t("javascripts.map.base.cycle_map")
-      }));
+    for (const layerDefinition of layerDefinitions) {
+      if (layerDefinition.apiKeyId && !OSM[layerDefinition.apiKeyId]) continue;
 
-      this.baseLayers.push(new L.OSM.TransportMap({
-        attribution: makeAttribution("thunderforest"),
-        apikey: OSM.THUNDERFOREST_KEY,
-        code: "T",
-        keyid: "transportmap",
-        name: I18n.t("javascripts.map.base.transport_map")
-      }));
-    }
+      const layerOptions = {
+        attribution: makeAttribution(layerDefinition.credit),
+        code: layerDefinition.code,
+        keyid: layerDefinition.keyId,
+        name: I18n.t(`javascripts.map.base.${layerDefinition.nameId}`)
+      };
+      if (layerDefinition.apiKeyId) {
+        layerOptions.apikey = OSM[layerDefinition.apiKeyId];
+      }
 
-    if (OSM.TRACESTRACK_KEY) {
-      this.baseLayers.push(new L.OSM.TracestrackTopo({
-        attribution: makeAttribution("tracestrack"),
-        apikey: OSM.TRACESTRACK_KEY,
-        code: "P",
-        keyid: "tracestracktopo",
-        name: I18n.t("javascripts.map.base.tracestracktop_topo")
-      }));
+      const layer = new L.OSM[layerDefinition.leafletOsmId](layerOptions);
+      this.baseLayers.push(layer);
     }
 
-    this.baseLayers.push(new L.OSM.HOT({
-      attribution: makeAttribution("hotosm"),
-      code: "H",
-      keyid: "hot",
-      name: I18n.t("javascripts.map.base.hot")
-    }));
-
     this.noteLayer = new L.FeatureGroup();
     this.noteLayer.options = { code: "N" };
 
@@ -135,8 +151,7 @@ L.OSM.Map = L.Map.extend({
       }
     });
 
-    function makeAttribution(id) {
-      const layerCredit = layerCredits[id];
+    function makeAttribution(credit) {
       let attribution = "";
 
       attribution += I18n.t("javascripts.map.copyright_text", {
@@ -146,8 +161,8 @@ L.OSM.Map = L.Map.extend({
         }).prop("outerHTML")
       });
 
-      attribution += layerCredit.donate ? " ♥ " : ". ";
-      attribution += makeCredit(layerCredit);
+      attribution += credit.donate ? " ♥ " : ". ";
+      attribution += makeCredit(credit);
       attribution += ". ";
 
       attribution += $("<a>", {