push neon reactor

CodeApp_NeonReactor/node_modules/@microsoft/1ds-post-js/dist-es5/RetryPolicy.js

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+/*
+ * 1DS JS SDK POST plugin, 4.3.11
+ * Copyright (c) Microsoft and contributors. All rights reserved.
+ * (Microsoft Internal Only)
+ */
+import { mathFloor, mathMin } from "@nevware21/ts-utils";
+/**
+* RetryPolicy.ts
+* @author Abhilash Panwar (abpanwar)
+* @copyright Microsoft 2018
+*/
+var RandomizationLowerThreshold = 0.8;
+var RandomizationUpperThreshold = 1.2;
+var BaseBackoff = 3000;
+var MaxBackoff = 600000;
+/**
+ * Determine if the request should be retried for the given status code.
+ * The below expression reads that we should only retry for:
+ *      - HttpStatusCodes that are smaller than 300.
+ *      - HttpStatusCodes greater or equal to 500 (except for 501-NotImplement
+ *        and 505-HttpVersionNotSupport).
+ *      - HttpStatusCode 408-RequestTimeout.
+ *      - HttpStatusCode 429.
+ * This is based on Microsoft.WindowsAzure.Storage.RetryPolicies.ExponentialRetry class
+ * @param httpStatusCode - The status code returned for the request.
+ * @returns True if request should be retried, false otherwise.
+ */
+export function retryPolicyShouldRetryForStatus(httpStatusCode) {
+    /* tslint:disable:triple-equals */
+    // Disabling triple-equals rule to avoid httpOverrides from failing because they are returning a string value
+    return !((httpStatusCode >= 300 && httpStatusCode < 500 && httpStatusCode != 429)
+        || (httpStatusCode == 501)
+        || (httpStatusCode == 505));
+    /* tslint:enable:triple-equals */
+}
+/**
+ * Gets the number of milliseconds to back off before retrying the request. The
+ * back off duration is exponentially scaled based on the number of retries already
+ * done for the request.
+ * @param retriesSoFar - The number of times the request has already been retried.
+ * @returns The back off duration for the request before it can be retried.
+ */
+export function retryPolicyGetMillisToBackoffForRetry(retriesSoFar) {
+    var waitDuration = 0;
+    var minBackoff = BaseBackoff * RandomizationLowerThreshold;
+    var maxBackoff = BaseBackoff * RandomizationUpperThreshold;
+    var randomBackoff = mathFloor(Math.random() * (maxBackoff - minBackoff)) + minBackoff;
+    waitDuration = Math.pow(2, retriesSoFar) * randomBackoff;
+    return mathMin(waitDuration, MaxBackoff);
+}
+//# sourceMappingURL=RetryPolicy.js.map