@turf/nearest-point-on-line TESTS: add test for duplicated points on line string affecting v7.2.0 (#2903)

* TESTS: add test for duplicated points on line string affecting v7.2.0

---------

Co-authored-by: James Beard <[email protected]>

Author: alacret

packages/turf-nearest-point-on-line/package.json

@@ -3,6 +3,11 @@
   "version": "7.2.0",
   "description": "Finds the nearest point on a line to a given point",
   "author": "Turf Authors",
+  "contributors": [
+    "Angel Lacret <@alacret>",
+    "Jon Miles <@jonmiles>",
+    "John Ziebro <@Insighttful>"
+  ],
   "license": "MIT",
   "bugs": {
     "url": "https://github.com/Turfjs/turf/issues"

packages/turf-nearest-point-on-line/test.ts

@@ -519,6 +519,20 @@ test("turf-nearest-point-on-line -- issue 2808 redundant point support", (t) =>
   t.end();
 });
 
+test("turf-nearest-point-on-line -- duplicate points on line string shouldn't break the function.", (t) => {
+  // @jonmiles
+  const line = lineString([
+    [-80.191793, 25.885611],
+    [-80.191793, 25.885611],
+    [-80.191543, 25.885874],
+  ]);
+  const userPoint = point([-80.191762, 25.885587]);
+  const nearest = nearestPointOnLine(line, userPoint, { units: "meters" });
+  t.equal(nearest.properties.dist > 4, true, "dist should be greater than 4");
+  t.equal(nearest.properties.location, 0, "location should be 0");
+  t.end();
+});
+
 test("turf-nearest-point-on-line -- issue 2934 correct endpoint chosen when in opposite hemisphere", (t) => {
   // create a long line where the southern end point should be chosen, but the
   // northern endpoint is closer to the projected great circles