#13690 VectorSource#getFeaturesInExtent add projection parameter

src/ol/extent.js

@@ -858,3 +858,47 @@ export function wrapX(extent, projection) {
   }
   return extent;
 }
+
+/**
+ * Fits the extent to the real world
+ *
+ * If the extent does not cross the anti meridian, this will return the extent in an array
+ * If the extent crosses the anti meridian, the extent will be sliced, so each part fits within the
+ * real world
+ *
+ *
+ * @param {Extent} extent Extent.
+ * @param {import("./proj/Projection.js").default} projection Projection
+ * @return {Array<Extent>} The extent within the real world extent.
+ */
+export function wrapAndSliceX(extent, projection) {
+  if (projection.canWrapX()) {
+    const projectionExtent = projection.getExtent();
+
+    if (!isFinite(extent[0]) || !isFinite(extent[2])) {
+      return [[projectionExtent[0], extent[1], projectionExtent[2], extent[3]]];
+    }
+
+    wrapX(extent, projection);
+    const worldWidth = getWidth(projectionExtent);
+
+    if (getWidth(extent) > worldWidth) {
+      // the extent wraps around on itself
+      return [[projectionExtent[0], extent[1], projectionExtent[2], extent[3]]];
+    } else if (extent[0] < projectionExtent[0]) {
+      // the extent crosses the anti meridian, so it needs to be sliced
+      return [
+        [extent[0] + worldWidth, extent[1], projectionExtent[2], extent[3]],
+        [projectionExtent[0], extent[1], extent[2], extent[3]],
+      ];
+    } else if (extent[2] > projectionExtent[2]) {
+      // the extent crosses the anti meridian, so it needs to be sliced
+      return [
+        [extent[0], extent[1], projectionExtent[2], extent[3]],
+        [projectionExtent[0], extent[1], extent[2] - worldWidth, extent[3]],
+      ];
+    }
+  }
+
+  return [extent];
+}