Completed the Misc definitions.

turf/turf-test.ts

@@ -222,7 +222,7 @@ var bearing = turf.bearing(point1, point2);
 var centerPt = turf.center(features);
 
 // -- Test centroid --
-var centroidPt = turf.centroid(poly);
+var centroidPt = turf.centroid(polygon1);
 
 // -- Test destination --
 var distance = 50;
@@ -291,6 +291,21 @@ var union = turf.union(polygon1, polygon2);
 // Tests Misc
 //////////////////////////////////////////////////////////////////////////
 
+// -- Test combine --
+var combined = turf.combine(features);
+
+// -- Test explode --
+var points = turf.explode(polygon1);
+
+// -- Test flip --
+var flipedPoint = turf.flip(point1);
+
+// -- Test kinks --
+var kinks = turf.kinks(polygon1);
+
+// -- Test lineSlice --
+var sliced = turf.lineSlice(point1, point2, line);
+
 // -- Test pointOnLine --
 var snapped = turf.pointOnLine(line, point1);
 

turf/turf.d.ts

@@ -212,6 +212,43 @@ declare module turf {
     // Misc
     //////////////////////////////////////////////////////
 
+    /**
+    * Combines a FeatureCollection of Point, LineString, or Polygon features into MultiPoint, MultiLineString, or MultiPolygon features.
+    * @param fc A FeatureCollection of any type
+    * @returns A FeatureCollection of corresponding type to input
+    */
+    function combine(fc: GeoJSON.FeatureCollection): GeoJSON.FeatureCollection;
+
+    /**
+    * Takes a feature or set of features and returns all positions as points.
+    * @param input Input features
+    * @returns Points representing the exploded input features
+    */
+    function explode(input: GeoJSON.Feature | GeoJSON.FeatureCollection): GeoJSON.FeatureCollection;
+
+    /**
+    * Takes input features and flips all of their coordinates from [x, y] to [y, x].
+    * @param input Input features
+    * @returns A feature or set of features of the same type as input with flipped coordinates
+    */
+    function flip(input: GeoJSON.Feature | GeoJSON.FeatureCollection): GeoJSON.Feature | GeoJSON.FeatureCollection;
+
+    /**
+    * Takes a polygon and returns points at all self-intersections.
+    * @param polygon Input polygon
+    * @returns Self-intersections
+    */
+    function kinks(polygon: GeoJSON.Feature): GeoJSON.FeatureCollection;
+
+    /**
+    * Takes a line, a start Point, and a stop point and returns the line in between those points.
+    * @param point1 Starting point
+    * @param point2 Stopping point
+    * @param line Line to slice
+    * @returns Sliced line
+    */
+    function lineSlice(point1: GeoJSON.Feature, point2: GeoJSON.Feature, line: GeoJSON.Feature): GeoJSON.Feature;
+
     /**
     * Takes a Point and a LineString and calculates the closest Point on the LineString.
     * @param line Line to snap to