refactor(sync): Remove unnecessary complexity

Because we're relying on the `geoJSONToFeatures` method, we don't need
anymore updaters, the default ones (map, datalayer, feature) are enough.

It also makes the codebase compatible with our eslint configuration.

umap/static/umap/js/modules/sync/engine.js

@@ -1,11 +1,5 @@
 import { WebSocketTransport } from './websocket.js'
-import {
+import { MapUpdater, DataLayerUpdater, FeatureUpdater } from './updaters.js'
-  MapUpdater,
-  MarkerUpdater,
-  PolygonUpdater,
-  PolylineUpdater,
-  DataLayerUpdater,
-} from './updaters.js'
 
 export class SyncEngine {
   constructor(map) {
@@ -40,28 +34,16 @@ export class MessagesDispatcher {
     this.map = map
     this.updaters = {
       map: new MapUpdater(this.map),
-      marker: new MarkerUpdater(this.map),
+      feature: new FeatureUpdater(this.map),
-      polyline: new PolylineUpdater(this.map),
-      polygon: new PolygonUpdater(this.map),
       datalayer: new DataLayerUpdater(this.map),
     }
   }
 
   getUpdater(subject, metadata) {
-    switch (subject) {
+    if (Object.keys(this.updaters).includes(subject)) {
-      case 'feature':
-        const featureTypeExists = Object.keys(this.updaters).includes(
-          metadata.featureType
-        )
-        if (featureTypeExists) {
-          return this.updaters[metadata.featureType]
-        }
-      case 'map':
-      case 'datalayer':
       return this.updaters[subject]
-      default:
-        throw new Error(`Unknown updater ${subject}, ${metadata}`)
     }
+    throw new Error(`Unknown updater ${subject}, ${metadata}`)
   }
 
   dispatch({ kind, ...payload }) {

umap/static/umap/js/modules/sync/updaters.js

@@ -74,7 +74,7 @@ export class DataLayerUpdater extends BaseUpdater {
  * - `featureClass`: the name of the class to create the feature
  * - `featureArgument`: an object with the properties to pass to the class when bulding it.
  **/
-class FeatureUpdater extends BaseUpdater {
+export class FeatureUpdater extends BaseUpdater {
   getFeatureFromMetadata({ id, layerId }) {
     const datalayer = this.getDataLayerFromID(layerId)
     return datalayer.getFeatureById(id)
@@ -122,25 +122,3 @@ class FeatureUpdater extends BaseUpdater {
     if (feature) feature.del()
   }
 }
-
-class PathUpdater extends FeatureUpdater {}
-
-class MarkerUpdater extends FeatureUpdater {
-  featureType = 'marker'
-  featureClass = U.Marker
-  featureArgument = 'latlng'
-}
-
-class PolygonUpdater extends PathUpdater {
-  featureType = 'polygon'
-  featureClass = U.Polygon
-  featureArgument = 'latlngs'
-}
-
-class PolylineUpdater extends PathUpdater {
-  featureType = 'polyline'
-  featureClass = U.Polyline
-  featureArgument = 'latlngs'
-}
-
-export { MarkerUpdater, PolygonUpdater, PolylineUpdater }

umap/static/umap/js/umap.layer.js

@@ -1082,7 +1082,7 @@ U.DataLayer = L.Evented.extend({
     let latlng, latlngs
 
     // Create a default geojson if none is provided
-    geojson ??= { type: 'Feature', geometry: geometry }
+    if (geojson === undefined) geojson = { type: 'Feature', geometry: geometry }
 
     switch (geometry.type) {
       case 'Point':