include node_modules so release .zip is deployable
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.StandardRetryStrategy = void 0;
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const protocol_http_1 = require("@smithy/protocol-http");
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const service_error_classification_1 = require("@smithy/service-error-classification");
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const util_retry_1 = require("@smithy/util-retry");
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const uuid_1 = require("uuid");
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const defaultRetryQuota_1 = require("./defaultRetryQuota");
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const delayDecider_1 = require("./delayDecider");
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const retryDecider_1 = require("./retryDecider");
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const util_1 = require("./util");
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class StandardRetryStrategy {
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constructor(maxAttemptsProvider, options) {
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var _a, _b, _c;
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this.maxAttemptsProvider = maxAttemptsProvider;
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this.mode = util_retry_1.RETRY_MODES.STANDARD;
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this.retryDecider = (_a = options === null || options === void 0 ? void 0 : options.retryDecider) !== null && _a !== void 0 ? _a : retryDecider_1.defaultRetryDecider;
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this.delayDecider = (_b = options === null || options === void 0 ? void 0 : options.delayDecider) !== null && _b !== void 0 ? _b : delayDecider_1.defaultDelayDecider;
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this.retryQuota = (_c = options === null || options === void 0 ? void 0 : options.retryQuota) !== null && _c !== void 0 ? _c : (0, defaultRetryQuota_1.getDefaultRetryQuota)(util_retry_1.INITIAL_RETRY_TOKENS);
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}
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shouldRetry(error, attempts, maxAttempts) {
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return attempts < maxAttempts && this.retryDecider(error) && this.retryQuota.hasRetryTokens(error);
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}
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async getMaxAttempts() {
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let maxAttempts;
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try {
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maxAttempts = await this.maxAttemptsProvider();
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}
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catch (error) {
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maxAttempts = util_retry_1.DEFAULT_MAX_ATTEMPTS;
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}
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return maxAttempts;
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}
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async retry(next, args, options) {
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let retryTokenAmount;
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let attempts = 0;
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let totalDelay = 0;
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const maxAttempts = await this.getMaxAttempts();
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const { request } = args;
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if (protocol_http_1.HttpRequest.isInstance(request)) {
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request.headers[util_retry_1.INVOCATION_ID_HEADER] = (0, uuid_1.v4)();
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}
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while (true) {
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try {
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if (protocol_http_1.HttpRequest.isInstance(request)) {
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request.headers[util_retry_1.REQUEST_HEADER] = `attempt=${attempts + 1}; max=${maxAttempts}`;
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}
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if (options === null || options === void 0 ? void 0 : options.beforeRequest) {
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await options.beforeRequest();
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}
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const { response, output } = await next(args);
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if (options === null || options === void 0 ? void 0 : options.afterRequest) {
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options.afterRequest(response);
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}
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this.retryQuota.releaseRetryTokens(retryTokenAmount);
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output.$metadata.attempts = attempts + 1;
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output.$metadata.totalRetryDelay = totalDelay;
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return { response, output };
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}
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catch (e) {
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const err = (0, util_1.asSdkError)(e);
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attempts++;
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if (this.shouldRetry(err, attempts, maxAttempts)) {
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retryTokenAmount = this.retryQuota.retrieveRetryTokens(err);
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const delayFromDecider = this.delayDecider((0, service_error_classification_1.isThrottlingError)(err) ? util_retry_1.THROTTLING_RETRY_DELAY_BASE : util_retry_1.DEFAULT_RETRY_DELAY_BASE, attempts);
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const delayFromResponse = getDelayFromRetryAfterHeader(err.$response);
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const delay = Math.max(delayFromResponse || 0, delayFromDecider);
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totalDelay += delay;
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await new Promise((resolve) => setTimeout(resolve, delay));
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continue;
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}
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if (!err.$metadata) {
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err.$metadata = {};
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}
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err.$metadata.attempts = attempts;
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err.$metadata.totalRetryDelay = totalDelay;
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throw err;
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}
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}
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}
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}
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exports.StandardRetryStrategy = StandardRetryStrategy;
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const getDelayFromRetryAfterHeader = (response) => {
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if (!protocol_http_1.HttpResponse.isInstance(response))
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return;
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const retryAfterHeaderName = Object.keys(response.headers).find((key) => key.toLowerCase() === "retry-after");
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if (!retryAfterHeaderName)
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return;
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const retryAfter = response.headers[retryAfterHeaderName];
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const retryAfterSeconds = Number(retryAfter);
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if (!Number.isNaN(retryAfterSeconds))
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return retryAfterSeconds * 1000;
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const retryAfterDate = new Date(retryAfter);
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return retryAfterDate.getTime() - Date.now();
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};
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