Refactoring: move all code files into a src directory

src/Logic/FeatureSource/Sources/TouchesBboxFeatureSource.ts

@@ -0,0 +1,43 @@
+import { FeatureSource, FeatureSourceForLayer } from "../FeatureSource"
+import StaticFeatureSource from "./StaticFeatureSource"
+import { BBox } from "../../BBox"
+import FilteredLayer from "../../../Models/FilteredLayer"
+import { Store } from "../../UIEventSource"
+import { Feature } from "geojson"
+
+/**
+ * Results in a feature source which has all the elements that touch the given features
+ */
+export default class BBoxFeatureSource<T extends Feature = Feature> extends StaticFeatureSource<T> {
+    constructor(features: FeatureSource<T>, mustTouch: Store<BBox>) {
+        super(
+            features.features.mapD(
+                (features) => {
+                    if (mustTouch.data === undefined) {
+                        return features
+                    }
+                    const box = mustTouch.data
+                    return features.filter((feature) => {
+                        if (feature.geometry.type === "Point") {
+                            return box.contains(<[number, number]>feature.geometry.coordinates)
+                        }
+                        return box.overlapsWith(BBox.get(feature))
+                    })
+                },
+                [mustTouch]
+            )
+        )
+    }
+}
+
+export class BBoxFeatureSourceForLayer<T extends Feature = Feature>
+    extends BBoxFeatureSource<T>
+    implements FeatureSourceForLayer
+{
+    readonly layer: FilteredLayer
+
+    constructor(features: FeatureSourceForLayer<T>, mustTouch: Store<BBox>) {
+        super(features, mustTouch)
+        this.layer = features.layer
+    }
+}