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resources/app/node_modules/@smithy/util-waiter/dist-es/poller.js

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+import { sleep } from "./utils/sleep";
+import { WaiterState } from "./waiter";
+const exponentialBackoffWithJitter = (minDelay, maxDelay, attemptCeiling, attempt) => {
+    if (attempt > attemptCeiling)
+        return maxDelay;
+    const delay = minDelay * 2 ** (attempt - 1);
+    return randomInRange(minDelay, delay);
+};
+const randomInRange = (min, max) => min + Math.random() * (max - min);
+export const runPolling = async ({ minDelay, maxDelay, maxWaitTime, abortController, client, abortSignal }, input, acceptorChecks) => {
+    const { state, reason } = await acceptorChecks(client, input);
+    if (state !== WaiterState.RETRY) {
+        return { state, reason };
+    }
+    let currentAttempt = 1;
+    const waitUntil = Date.now() + maxWaitTime * 1000;
+    const attemptCeiling = Math.log(maxDelay / minDelay) / Math.log(2) + 1;
+    while (true) {
+        if (abortController?.signal?.aborted || abortSignal?.aborted) {
+            return { state: WaiterState.ABORTED };
+        }
+        const delay = exponentialBackoffWithJitter(minDelay, maxDelay, attemptCeiling, currentAttempt);
+        if (Date.now() + delay * 1000 > waitUntil) {
+            return { state: WaiterState.TIMEOUT };
+        }
+        await sleep(delay);
+        const { state, reason } = await acceptorChecks(client, input);
+        if (state !== WaiterState.RETRY) {
+            return { state, reason };
+        }
+        currentAttempt += 1;
+    }
+};