1 files changed, 38 insertions, 0 deletions
diff --git a/node_modules/mongoose/lib/helpers/aggregate/stringifyAccumulatorOptions.js b/node_modules/mongoose/lib/helpers/aggregate/stringifyAccumulatorOptions.js
new file mode 100644
index 0000000..7362514
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/aggregate/stringifyAccumulatorOptions.js
@@ -0,0 +1,38 @@
+'use strict';
+
+module.exports = function stringifyAccumulatorOptions(pipeline) {
+  if (!Array.isArray(pipeline)) {
+    return;
+  }
+
+  for (const stage of pipeline) {
+    if (stage == null) {
+      continue;
+    }
+
+    const canHaveAccumulator = stage.$group || stage.$bucket || stage.$bucketAuto;
+    if (canHaveAccumulator != null) {
+      for (const key of Object.keys(canHaveAccumulator)) {
+        handleAccumulator(canHaveAccumulator[key]);
+      }
+    }
+
+    if (stage.$facet != null) {
+      for (const key of Object.keys(stage.$facet)) {
+        stringifyAccumulatorOptions(stage.$facet[key]);
+      }
+    }
+  }
+};
+
+function handleAccumulator(operator) {
+  if (operator == null || operator.$accumulator == null) {
+    return;
+  }
+
+  for (const key of ['init', 'accumulate', 'merge', 'finalize']) {
+    if (typeof operator.$accumulator[key] === 'function') {
+      operator.$accumulator[key] = String(operator.$accumulator[key]);
+    }
+  }
+}
+\ No newline at end of file