remove unused imports

benchmark/explode_benchmark.dart

@@ -1,5 +1,4 @@
 import 'package:benchmark/benchmark.dart';
-import 'package:turf/src/explode.dart';
 import 'package:turf/turf.dart';
 
 var poly = Polygon(coordinates: [

benchmark/line_segment_benchmark.dart

@@ -1,6 +1,5 @@
 import 'package:benchmark/benchmark.dart';
 import 'package:turf/line_segment.dart';
-import 'package:turf/helpers.dart';
 
 void main() {
   LineString lineString = LineString(

lib/src/along.dart

@@ -4,8 +4,8 @@ import 'package:turf/bearing.dart';
 import 'package:turf/destination.dart';
 import 'package:turf/helpers.dart';
 import 'package:turf/length.dart';
-import 'package:turf/src/distance.dart' as measure_distance;
-import 'package:turf/src/invariant.dart';
+import 'distance.dart' as measure_distance;
+import 'invariant.dart';
 
 /// Takes a [line] and returns a [Point] at a specified [distance] along the line.
 ///
@@ -24,16 +24,16 @@ Feature<Point> along(Feature<LineString> line, num distance,
   if (distance < 0) {
     distance = max(0, length(line, unit) + distance);
   }
-  num travelled = 0;
+  num traveled = 0;
   for (int i = 0; i < coords.length; i++) {
-    if (distance >= travelled && i == coords.length - 1) {
+    if (distance >= traveled && i == coords.length - 1) {
       break;
     }
-    if (travelled == distance) {
+    if (traveled == distance) {
       return Feature<Point>(geometry: Point(coordinates: coords[i]));
     }
-    if (travelled > distance) {
-      final overshot = distance - travelled;
+    if (traveled > distance) {
+      final overshot = distance - traveled;
       final direction = bearing(Point(coordinates: coords[i]),
               Point(coordinates: coords[i - 1])) -
           180;
@@ -45,7 +45,7 @@ Feature<Point> along(Feature<LineString> line, num distance,
       );
       return Feature<Point>(geometry: interpolated);
     } else {
-      travelled += measure_distance.distance(Point(coordinates: coords[i]),
+      traveled += measure_distance.distance(Point(coordinates: coords[i]),
           Point(coordinates: coords[i + 1]), unit);
     }
   }

lib/src/bbox.dart

@@ -1,4 +1,3 @@
-import 'package:turf/helpers.dart';
 import 'package:turf/meta.dart';
 
 /// Calculates the bounding box for any [geoJson] object, including [FeatureCollection].

lib/src/bearing.dart

@@ -1,7 +1,6 @@
 import 'dart:math';
-
-import 'geojson.dart';
 import 'helpers.dart';
+import 'package:geotypes/geotypes.dart';
 
 // http://en.wikipedia.org/wiki/Haversine_formula
 // http://www.movable-type.co.uk/scripts/latlong.html

lib/src/booleans/boolean_contains.dart

@@ -1,4 +1,3 @@
-import 'package:turf/src/invariant.dart';
 import 'package:turf/turf.dart';
 import 'boolean_helper.dart';
 

lib/src/booleans/boolean_intersects.dart

@@ -1,4 +1,3 @@
-import '../../helpers.dart';
 import '../../meta.dart';
 import 'boolean_disjoint.dart';
 

lib/src/booleans/boolean_overlap.dart

@@ -1,4 +1,3 @@
-import 'package:turf/helpers.dart';
 import 'package:turf/line_overlap.dart';
 import 'package:turf/line_segment.dart';
 import 'package:turf/src/invariant.dart';

lib/src/booleans/boolean_valid.dart

@@ -4,7 +4,6 @@ import 'package:turf/src/booleans/boolean_point_on_line.dart';
 import 'package:turf/src/invariant.dart';
 import 'package:turf/src/meta/extensions.dart';
 
-import '../../helpers.dart';
 import '../line_intersect.dart';
 import 'boolean_crosses.dart';
 

lib/src/centroid.dart

@@ -1,7 +1,7 @@
-import 'package:turf/helpers.dart';
 import 'package:turf/meta.dart';
 
-/// Takes a [Feature] or a [FeatureCollection] and computes the centroid as the mean of all vertices within the object.
+/// Takes a [Feature] or a [FeatureCollection] and computes the centroid as
+/// the mean of all vertices within the object.
 ///
 /// example:
 /// ```dart

lib/src/destination.dart

@@ -1,6 +1,5 @@
 import 'dart:math';
-
-import 'geojson.dart';
+import 'package:geotypes/geotypes.dart';
 import 'helpers.dart';
 
 Position destinationRaw(Position origin, num distance, num bearing,

lib/src/distance.dart

@@ -1,6 +1,6 @@
 import 'dart:math';
 
-import 'geojson.dart';
+import 'package:geotypes/geotypes.dart';
 import 'helpers.dart';
 
 //http://en.wikipedia.org/wiki/Haversine_formula

lib/src/explode.dart

@@ -1,8 +1,7 @@
-import 'package:turf/helpers.dart';
 import 'package:turf/meta.dart';
 
 /// Takes a feature or set of features and returns all positions as [Point]s.
-/// Takes [GeoJSONObhect] input.
+/// Takes [GeoJSONObject] input.
 /// Returns [FeatureCollection<point>] representing the exploded input features
 /// Throws [Exception] if it encounters an unknown geometry type
 /// ```dart

lib/src/intersection.dart

@@ -1,4 +1,5 @@
-import 'geojson.dart';
+// internal functions, not meant to be exposed
+import 'package:geotypes/geotypes.dart';
 
 Point? intersects(LineString line1, LineString line2) {
   if (line1.coordinates.length != 2) {

lib/src/line_overlap.dart

@@ -1,9 +1,12 @@
 import 'package:rbush/rbush.dart';
+import 'package:turf/boolean.dart';
 import 'package:turf/line_segment.dart';
 import 'package:turf/meta.dart';
 import 'package:turf/src/booleans/boolean_helper.dart';
-import 'package:turf/turf.dart';
+import '../helpers.dart';
+import 'destination.dart';
 import 'invariant.dart';
+import 'nearest_point_on_line.dart';
 
 /// Takes any [LineString], [MultiLineString], [Polygon] or [MultiPolygon] and
 /// returns the overlapping lines between both features.

lib/src/line_segment.dart

@@ -1,7 +1,6 @@
-import 'package:turf/src/meta/coord.dart';
-import 'package:turf/src/meta/flatten.dart';
-
-import 'geojson.dart';
+import 'meta/coord.dart';
+import 'meta/flatten.dart';
+import 'package:geotypes/geotypes.dart';
 
 /// Creates a [FeatureCollection] of 2-vertex [LineString] segments from a
 /// [LineString] or [MultiLineString] or [Polygon] and [MultiPolygon]

lib/src/line_slice.dart

@@ -1,6 +1,7 @@
-import 'package:turf/helpers.dart';
-import 'package:turf/nearest_point_on_line.dart';
-import 'package:turf/src/invariant.dart';
+import 'package:geotypes/geotypes.dart';
+
+import 'nearest_point_on_line.dart';
+import 'invariant.dart';
 
 /// Takes a [line], at a start point [startPt], and a stop point [stopPt]
 /// and returns a subsection of the line in-between those points.

lib/src/midpoint.dart

@@ -1,7 +1,7 @@
 import 'bearing.dart';
 import 'destination.dart';
 import 'distance.dart';
-import 'geojson.dart';
+import 'package:geotypes/geotypes.dart';
 
 Position midpointRaw(Position point1, Position point2) {
   var dist = distanceRaw(point1, point2);
@@ -12,7 +12,8 @@ Position midpointRaw(Position point1, Position point2) {
 }
 
 /// Takes two [Point]s and returns a point midway between them.
-/// The midpoint is calculated geodesically, meaning the curvature of the earth is taken into account.
+/// The midpoint is calculated geodesically, meaning the curvature of the
+/// earth is taken into account.
 /// For example:
 ///
 /// ```

lib/src/nearest_point.dart

@@ -1,5 +1,5 @@
 import 'distance.dart';
-import 'geojson.dart';
+import 'package:geotypes/geotypes.dart';
 
 /// Takes a reference [Point] and a FeatureCollection of Features
 /// with Point geometries and returns the

lib/src/nearest_point_on_line.dart

@@ -1,9 +1,9 @@
 import 'dart:math';
 
+import 'package:geotypes/geotypes.dart';
 import 'bearing.dart';
 import 'destination.dart';
 import 'distance.dart';
-import 'geojson.dart';
 import 'helpers.dart';
 import 'intersection.dart';
 

lib/src/rhumb_destination.dart

@@ -4,8 +4,8 @@ import 'package:turf/helpers.dart';
 import 'package:turf/src/invariant.dart';
 
 ///
-/// Returns the destination [Point] having travelled the given distance along a Rhumb line from the
-/// origin Point with the (varant) given bearing.
+/// Returns the destination [Point] having traveled the given distance along a Rhumb line from the
+/// origin Point with the (variant) given bearing.
 ///
 /// example:
 /// ```dart
@@ -62,7 +62,7 @@ Position calculateRhumbDestination(Position origin, num distance, num bearing,
   final dPhi = delta * math.cos(theta);
   var phi2 = phi1 + dPhi;
 
-  // check for some daft bugger going past the pole, normalise latitude if so
+  // check for some daft bugger going past the pole, normalize latitude if so
   if (phi2.abs() > math.pi / 2) {
     phi2 = phi2 > 0 ? math.pi - phi2 : -math.pi - phi2;
   }
@@ -75,7 +75,7 @@ Position calculateRhumbDestination(Position origin, num distance, num bearing,
   final dLambda = (delta * math.sin(theta)) / q;
   final lambda2 = lambda1 + dLambda;
 
-  // normalise to −180..+180°
+  // normalize to −180..+180°
   final lng = (((lambda2 * 180) / math.pi + 540) % 360) - 180;
   final lat = (phi2 * 180) / math.pi;
 

lib/turf.dart

@@ -16,7 +16,6 @@ export 'distance.dart';
 export 'explode.dart';
 export 'extensions.dart';
 export 'helpers.dart';
-export 'intersection.dart';
 export 'invariant.dart';
 export 'length.dart';
 export 'line_intersect.dart';

test/booleans/overlap_test.dart

@@ -1,7 +1,7 @@
+import 'package:geotypes/geotypes.dart';
 import 'package:test/test.dart';
 import 'package:turf/src/booleans/boolean_helper.dart';
 import 'package:turf/src/booleans/boolean_overlap.dart';
-import 'package:turf/src/geojson.dart';
 
 import '../context/helper.dart';
 import '../context/load_test_cases.dart';

test/components/center_test.dart

@@ -2,9 +2,10 @@ import 'dart:convert';
 import 'dart:io';
 
 import 'package:test/test.dart';
+import 'package:turf/bbox.dart';
+import 'package:turf/center.dart';
 import 'package:turf/meta.dart';
 import 'package:turf/src/bbox_polygon.dart';
-import 'package:turf/turf.dart';
 
 void main() {
   group(

test/components/centroid_test.dart

@@ -2,7 +2,6 @@ import 'dart:convert';
 import 'dart:io';
 
 import 'package:test/test.dart';
-import 'package:turf/src/meta/feature.dart';
 import 'package:turf/turf.dart';
 import 'package:turf_equality/turf_equality.dart';
 

test/components/explode_test.dart

@@ -1,9 +1,9 @@
 import 'dart:convert';
 import 'dart:io';
 
+import 'package:geotypes/geotypes.dart';
 import 'package:test/test.dart';
 import 'package:turf/src/explode.dart';
-import 'package:turf/turf.dart';
 
 void main() {
   group(

test/components/polyline.dart

@@ -1,5 +1,4 @@
 import 'package:test/test.dart';
-import 'package:turf/helpers.dart';
 import 'package:turf/polyline.dart';
 
 void main() {

test/components/transform_rotate_test.dart

@@ -2,7 +2,6 @@ import 'dart:convert';
 import 'dart:io';
 
 import 'package:test/test.dart';
-import 'package:turf/helpers.dart';
 import 'package:turf/src/centroid.dart';
 import 'package:turf/src/invariant.dart';
 import 'package:turf/src/transform_rotate.dart';

test/components/truncate_test.dart

@@ -2,7 +2,6 @@ import 'dart:convert';
 import 'dart:io';
 
 import 'package:test/test.dart';
-import 'package:turf/helpers.dart';
 import 'package:turf/truncate.dart';
 import 'package:turf_equality/turf_equality.dart';
 

test/context/matcher.dart

@@ -1,6 +1,5 @@
 import 'package:test/test.dart';
 import 'package:turf/helpers.dart';
-import 'package:turf/src/geojson.dart';
 import 'package:turf_equality/turf_equality.dart';
 
 Matcher equals<T extends GeoJSONObject>(T? expected) => _Equals<T>(expected);