add support for hogfish forward geocoder

Author: Natalia Kowalczyk

demo/index.js

@@ -34,7 +34,15 @@ function onMapInit() {
   searchFormEl.addEventListener('submit', function (event) {
     event.preventDefault();
     const { place, ll, type, max, partial } = searchFormEl;
-    if (place) {
+    if (ll.value) {
+      const detail = {
+        ll: ll.value.split(',').map(l => parseFloat(l.trim())),
+        max: max.value,
+        type: place.value
+      };
+      window.dispatchEvent(new CustomEvent('ll', { detail }));
+    }
+    else if (place.value) {
       const detail = {
         bounds: map.bounds(),
         max: max.value,
@@ -44,12 +52,6 @@ function onMapInit() {
         detail.partial = true;
       }
       window.dispatchEvent(new CustomEvent('place', { detail }));
-    } else if (ll.value) {
-      const detail = {
-        ll: ll.value.split(',').map(l => parseFloat(l.trim())),
-        max: max.value
-      };
-      window.dispatchEvent(new CustomEvent('ll', { detail }));
     }
   });
 }
@@ -83,6 +85,9 @@ if (process.env.HOGFISH_KEY) {
         ],
         fillingstation: [
           'provider=fuel'
+        ],
+        place: [
+          'provider=universal'
         ]
       }
     },

lib/service/hogfish/index.js

@@ -22,19 +22,29 @@ function getUrl(url, types, op, query) {
     case 'reverse':
       q.push('ll=' + query.ll.join(','));
       q.push('radius=100');
-      q.push(...types[query.type]);
       break;
-    default:
+      case 'forward':
+        q.push('q=' + encodeURIComponent(query.place || query.address));
+        if (query.bounds) {
+          q.push('sw=' + query.bounds[0].join(','));
+          q.push('ne=' + query.bounds[1].join(','));
+        }
+        break;
+      default:
       // invalid operation
       return;
   }
+  q.push(...types[query.type]);
   if (query.max) {
     q.push('limit=' + query.max);
   }
   return url + '?' + q.join('&');
 }
 
 function prepareRequest(types, op, query) {
+  if (op === 'forward') {
+    query.type = query.type ?? ['place', 'address'].find(type => query.hasOwnProperty(type));
+  }
   return Boolean(types[query.type]);
 }
 
@@ -115,6 +125,7 @@ function init(options) {
   }
   options = util.defaults(options, {
     reverse: true,
+    forward: true,
     url: getUrl.bind(undefined, options.hogfish_url, options.types),
     status: getStatus,
     prepareRequest: prepareRequest.bind(undefined, options.types),