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node_modules/lottie-web/player/js/utils/pooling/shape_pool.js

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+import poolFactory from './pool_factory';
+import pointPool from './point_pool';
+import ShapePath from '../shapes/ShapePath';
+
+const shapePool = (function () {
+  function create() {
+    return new ShapePath();
+  }
+
+  function release(shapePath) {
+    var len = shapePath._length;
+    var i;
+    for (i = 0; i < len; i += 1) {
+      pointPool.release(shapePath.v[i]);
+      pointPool.release(shapePath.i[i]);
+      pointPool.release(shapePath.o[i]);
+      shapePath.v[i] = null;
+      shapePath.i[i] = null;
+      shapePath.o[i] = null;
+    }
+    shapePath._length = 0;
+    shapePath.c = false;
+  }
+
+  function clone(shape) {
+    var cloned = factory.newElement();
+    var i;
+    var len = shape._length === undefined ? shape.v.length : shape._length;
+    cloned.setLength(len);
+    cloned.c = shape.c;
+
+    for (i = 0; i < len; i += 1) {
+      cloned.setTripleAt(shape.v[i][0], shape.v[i][1], shape.o[i][0], shape.o[i][1], shape.i[i][0], shape.i[i][1], i);
+    }
+    return cloned;
+  }
+
+  var factory = poolFactory(4, create, release);
+  factory.clone = clone;
+
+  return factory;
+}());
+
+export default shapePool;