avoid cyclic issues

Signed-off-by: Travis Glenn Hansen <travisghansen@yahoo.com>

bin/democratic-csi

@@ -3,6 +3,7 @@
 const yaml = require("js-yaml");
 const fs = require("fs");
 const { grpc } = require("../src/utils/grpc");
+const { stringify } = require("../src/utils/general");
 
 let options;
 const args = require("yargs")
@@ -127,7 +128,7 @@ try {
 let operationLock = new Set();
 
 async function requestHandlerProxy(call, callback, serviceMethodName) {
-  const cleansedCall = JSON.parse(JSON.stringify(call));
+  const cleansedCall = JSON.parse(stringify(call));
   for (const key in cleansedCall.request) {
     if (key.includes("secret")) {
       cleansedCall.request[key] = "redacted";

src/utils/general.js

@@ -51,6 +51,24 @@ function getLargestNumber() {
   return number;
 }
 
+function stringify(value) {
+  const getCircularReplacer = () => {
+    const seen = new WeakSet();
+    return (key, value) => {
+      if (typeof value === "object" && value !== null) {
+        if (seen.has(value)) {
+          return;
+        }
+        seen.add(value);
+      }
+      return value;
+    };
+  };
+  
+  return JSON.stringify(value, getCircularReplacer());
+}
+
 module.exports.sleep = sleep;
 module.exports.lockKeysFromRequest = lockKeysFromRequest;
 module.exports.getLargestNumber = getLargestNumber;
+module.exports.stringify = stringify;