Fix export strategy (#177)

* fix warnings

* fix export strategy

* remove unused imports

* review changes

Author: jsiedentop

README.md

@@ -1,6 +1,6 @@
 <h1 align="center">
   <br>
-  <img src="https://github.com/dartclub/turf_dart/blob/update-readme/.github/turf-logo.png" alt="TurfDart Logo" width="250">
+  <img src="https://github.com/dartclub/turf_dart/blob/main/.github/turf-logo.png" alt="TurfDart Logo" width="250">
 </h1>
 
 <h4 align="center">A <a href="https://github.com/Turfjs/turf">TurfJs</a>-like geospatial analysis library written in pure Dart.

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/along.dart

@@ -1,3 +1,4 @@
 library turf_along;
 
+export 'package:geotypes/geotypes.dart';
 export "src/along.dart";

lib/area.dart

@@ -1,3 +1,4 @@
 library turf_area;
 
+export 'package:geotypes/geotypes.dart';
 export "src/area.dart";

lib/bbox.dart

@@ -1,3 +1,4 @@
 library turf_bbox;
 
+export 'package:geotypes/geotypes.dart';
 export "src/bbox.dart";

lib/bbox_polygon.dart

@@ -1,3 +1,4 @@
 library turf_bbox_polygon.dart;
 
+export 'package:geotypes/geotypes.dart';
 export 'src/bbox_polygon.dart';

lib/bearing.dart

@@ -1,4 +1,5 @@
 library turf_bearing;
 
+export 'package:geotypes/geotypes.dart';
 export 'src/bearing.dart';
 export 'src/rhumb_bearing.dart';

lib/boolean.dart

@@ -1,5 +1,6 @@
 library turf_boolean;
 
+export 'package:geotypes/geotypes.dart';
 export 'src/booleans/boolean_clockwise.dart';
 export 'src/booleans/boolean_concave.dart';
 export 'src/booleans/boolean_contains.dart';

lib/center.dart

@@ -1,3 +1,4 @@
 library turf_center;
 
+export 'package:geotypes/geotypes.dart';
 export 'src/center.dart';