Text in translation file + refactor

Logic/FeatureSource/GeoJsonExport.ts

@@ -0,0 +1,39 @@
+import FeaturePipeline from "./FeaturePipeline";
+import {Utils} from "../../Utils";
+
+/**
+ * Exports given featurePipeline as a geojson FeatureLists (downloads as a json)
+ * @param featurePipeline The FeaturePipeline you want to export
+ * @param options The options object
+ * @param options.metadata True if you want to include the MapComplete metadata, false otherwise
+ */
+export function exportAsGeoJson(featurePipeline: FeaturePipeline, options: { metadata?: boolean} = {}) {
+    let defaults = {
+        metadata: false,
+    }
+    options = Utils.setDefaults(options, defaults);
+
+    // Select all features, ignore the freshness and other data
+    let featureList: JSON[] = featurePipeline ? featurePipeline.features.data.map((feature) => feature.feature) : ["I'm empty"];
+
+    /**
+     * Removes the metadata of MapComplete (all properties starting with an underscore)
+     * @param featureList JsonList containing features, output object
+     */
+    function removeMetaData(featureList: JSON[]) {
+        for (let i=0; i < featureList.length; i++) {
+            let feature = featureList[i];
+            for (let property in feature.properties) {
+                if (property[0] == "_") {
+                    delete featureList[i]["properties"][property];
+                }
+            }
+        }
+    }
+
+    if (!options.metadata) removeMetaData(featureList);
+
+    let geojson = {type: "FeatureCollection", features: featureList}
+
+    Utils.offerContentsAsDownloadableFile(JSON.stringify(geojson), "Geodata.json");
+}