X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Futils%2FUtils.ts;h=58e9094c7a601bcd587cf59e6fd79b32a8823b95;hb=5f742aac345f2eb8897c24651d00c7fb43dabbf8;hp=1a93669dbc334f4b7c2b1d18bd7f049d0625cc4f;hpb=85cce27f97abb607fbc4a2c4c6b335680dd65c2b;p=e-mobility-charging-stations-simulator.git

diff --git a/src/utils/Utils.ts b/src/utils/Utils.ts
index 1a93669d..58e9094c 100644
--- a/src/utils/Utils.ts
+++ b/src/utils/Utils.ts
@@ -280,12 +280,12 @@ export const insertAt = (str: string, subStr: string, pos: number): string =>
  * Computes the retry delay in milliseconds using an exponential backoff algorithm.
  *
  * @param retryNumber - the number of retries that have already been attempted
- * @param maxDelayRatio - the maximum ratio of the delay that can be randomized
+ * @param delayFactor - the base delay factor in milliseconds
  * @returns delay in milliseconds
  */
-export const exponentialDelay = (retryNumber = 0, maxDelayRatio = 0.2): number => {
-  const delay = Math.pow(2, retryNumber) * 100;
-  const randomSum = delay * maxDelayRatio * secureRandom(); // 0-(maxDelayRatio*100)% of the delay
+export const exponentialDelay = (retryNumber = 0, delayFactor = 100): number => {
+  const delay = Math.pow(2, retryNumber) * delayFactor;
+  const randomSum = delay * 0.2 * secureRandom(); // 0-20% of the delay
   return delay + randomSum;
 };
 
@@ -382,3 +382,18 @@ export const isArraySorted = <T>(array: T[], compareFn: (a: T, b: T) => number):
   }
   return true;
 };
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export const once = <T, A extends any[], R>(
+  fn: (...args: A) => R,
+  context: T,
+): ((...args: A) => R) => {
+  let result: R;
+  return (...args: A) => {
+    if (fn) {
+      result = fn.apply<T, A, R>(context, args);
+      (fn as unknown as undefined) = (context as unknown as undefined) = undefined;
+    }
+    return result;
+  };
+};