Backend half

SerpentRace_Backend/node_modules/aws-sdk/scripts/lib/prune-shapes.js

@@ -0,0 +1,27 @@
+var getOperationShapeNames = require('./get-operation-shape-names').getOperationShapeNames;
+var visitRelatedShapeNames = require('./visit-related-shape-names').visitRelatedShapeNames;
+
+function pruneShapes(model) {
+
+    // start by grabbing the input/output shapes on all operations
+    var operationShapeNames = getOperationShapeNames(model);
+    var shapeMap = model.shapes;
+
+    for (operationShape of operationShapeNames) {
+        // traverse the tree and store visited shapes
+        visitRelatedShapeNames(operationShape, shapeMap);
+    }
+
+    // iterate over the shapeMap and remove any shape that wasn't visited
+    var shapeNames = Object.keys(shapeMap);
+    for (var name of shapeNames) {
+        if (!shapeMap[name].visited) {
+            delete shapeMap[name];
+        }
+    }
+
+};
+
+module.exports = {
+    pruneShapes: pruneShapes
+};