fix another race condition, close #131

mapbox · Jan 21, 2020 · a4980b8 · a4980b8
1 parent 806fba6
commit a4980b8
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Showing 3 changed files with 10 additions and 1 deletion.
diff --git a/src/earcut.js b/src/earcut.js
@@ -293,6 +293,9 @@ function eliminateHole(hole, outerNode) {
     outerNode = findHoleBridge(hole, outerNode);
     if (outerNode) {
         var b = splitPolygon(outerNode, hole);
+
+        // filter collinear points around the cuts
+        filterPoints(outerNode, outerNode.next);
         filterPoints(b, b.next);
     }
 }

diff --git a/test/expected.json b/test/expected.json
@@ -40,7 +40,8 @@
         "touching2": 8,
         "touching3": 15,
         "touching4": 20,
-        "rain": 2681
+        "rain": 2681,
+        "issue131": 12
     },
     "errors": {
         "dude": 2e-15,

diff --git a/test/fixtures/issue131.json b/test/fixtures/issue131.json
@@ -0,0 +1,5 @@
+[
+[[3506,-2048],[7464,402],[-2048,2685],[-2048,-2048],[3506,-2048]],
+[[-2048,-37],[1235,747],[338,-1464],[-116,-1188],[-2048,-381],[-2048,-37]],
+[[-1491,-1981],[-1300,-1800],[-1155,-1981],[-1491,-1981]]
+]