`.\r\n * @returns {Function} A `useDispatch` hook bound to the specified context.\r\n */\n\nexport function createDispatchHook(context) {\n if (context === void 0) {\n context = ReactReduxContext;\n }\n\n var useStore = context === ReactReduxContext ? useDefaultStore : createStoreHook(context);\n return function useDispatch() {\n var store = useStore();\n return store.dispatch;\n };\n}\n/**\r\n * A hook to access the redux `dispatch` function.\r\n *\r\n * @returns {any|function} redux store's `dispatch` function\r\n *\r\n * @example\r\n *\r\n * import React, { useCallback } from 'react'\r\n * import { useDispatch } from 'react-redux'\r\n *\r\n * export const CounterComponent = ({ value }) => {\r\n * const dispatch = useDispatch()\r\n * const increaseCounter = useCallback(() => dispatch({ type: 'increase-counter' }), [])\r\n * return (\r\n * \r\n * {value}\r\n * \r\n *
\r\n * )\r\n * }\r\n */\n\nexport var useDispatch = /*#__PURE__*/createDispatchHook();","import { useReducer, useRef, useMemo, useContext, useDebugValue } from 'react';\nimport { useReduxContext as useDefaultReduxContext } from './useReduxContext';\nimport { createSubscription } from '../utils/Subscription';\nimport { useIsomorphicLayoutEffect } from '../utils/useIsomorphicLayoutEffect';\nimport { ReactReduxContext } from '../components/Context';\n\nvar refEquality = function refEquality(a, b) {\n return a === b;\n};\n\nfunction useSelectorWithStoreAndSubscription(selector, equalityFn, store, contextSub) {\n var _useReducer = useReducer(function (s) {\n return s + 1;\n }, 0),\n forceRender = _useReducer[1];\n\n var subscription = useMemo(function () {\n return createSubscription(store, contextSub);\n }, [store, contextSub]);\n var latestSubscriptionCallbackError = useRef();\n var latestSelector = useRef();\n var latestStoreState = useRef();\n var latestSelectedState = useRef();\n var storeState = store.getState();\n var selectedState;\n\n try {\n if (selector !== latestSelector.current || storeState !== latestStoreState.current || latestSubscriptionCallbackError.current) {\n var newSelectedState = selector(storeState); // ensure latest selected state is reused so that a custom equality function can result in identical references\n\n if (latestSelectedState.current === undefined || !equalityFn(newSelectedState, latestSelectedState.current)) {\n selectedState = newSelectedState;\n } else {\n selectedState = latestSelectedState.current;\n }\n } else {\n selectedState = latestSelectedState.current;\n }\n } catch (err) {\n if (latestSubscriptionCallbackError.current) {\n err.message += \"\\nThe error may be correlated with this previous error:\\n\" + latestSubscriptionCallbackError.current.stack + \"\\n\\n\";\n }\n\n throw err;\n }\n\n useIsomorphicLayoutEffect(function () {\n latestSelector.current = selector;\n latestStoreState.current = storeState;\n latestSelectedState.current = selectedState;\n latestSubscriptionCallbackError.current = undefined;\n });\n useIsomorphicLayoutEffect(function () {\n function checkForUpdates() {\n try {\n var newStoreState = store.getState(); // Avoid calling selector multiple times if the store's state has not changed\n\n if (newStoreState === latestStoreState.current) {\n return;\n }\n\n var _newSelectedState = latestSelector.current(newStoreState);\n\n if (equalityFn(_newSelectedState, latestSelectedState.current)) {\n return;\n }\n\n latestSelectedState.current = _newSelectedState;\n latestStoreState.current = newStoreState;\n } catch (err) {\n // we ignore all errors here, since when the component\n // is re-rendered, the selectors are called again, and\n // will throw again, if neither props nor store state\n // changed\n latestSubscriptionCallbackError.current = err;\n }\n\n forceRender();\n }\n\n subscription.onStateChange = checkForUpdates;\n subscription.trySubscribe();\n checkForUpdates();\n return function () {\n return subscription.tryUnsubscribe();\n };\n }, [store, subscription]);\n return selectedState;\n}\n/**\r\n * Hook factory, which creates a `useSelector` hook bound to a given context.\r\n *\r\n * @param {React.Context} [context=ReactReduxContext] Context passed to your ``.\r\n * @returns {Function} A `useSelector` hook bound to the specified context.\r\n */\n\n\nexport function createSelectorHook(context) {\n if (context === void 0) {\n context = ReactReduxContext;\n }\n\n var useReduxContext = context === ReactReduxContext ? useDefaultReduxContext : function () {\n return useContext(context);\n };\n return function useSelector(selector, equalityFn) {\n if (equalityFn === void 0) {\n equalityFn = refEquality;\n }\n\n if (process.env.NODE_ENV !== 'production') {\n if (!selector) {\n throw new Error(\"You must pass a selector to useSelector\");\n }\n\n if (typeof selector !== 'function') {\n throw new Error(\"You must pass a function as a selector to useSelector\");\n }\n\n if (typeof equalityFn !== 'function') {\n throw new Error(\"You must pass a function as an equality function to useSelector\");\n }\n }\n\n var _useReduxContext = useReduxContext(),\n store = _useReduxContext.store,\n contextSub = _useReduxContext.subscription;\n\n var selectedState = useSelectorWithStoreAndSubscription(selector, equalityFn, store, contextSub);\n useDebugValue(selectedState);\n return selectedState;\n };\n}\n/**\r\n * A hook to access the redux store's state. This hook takes a selector function\r\n * as an argument. The selector is called with the store state.\r\n *\r\n * This hook takes an optional equality comparison function as the second parameter\r\n * that allows you to customize the way the selected state is compared to determine\r\n * whether the component needs to be re-rendered.\r\n *\r\n * @param {Function} selector the selector function\r\n * @param {Function=} equalityFn the function that will be used to determine equality\r\n *\r\n * @returns {any} the selected state\r\n *\r\n * @example\r\n *\r\n * import React from 'react'\r\n * import { useSelector } from 'react-redux'\r\n *\r\n * export const CounterComponent = () => {\r\n * const counter = useSelector(state => state.counter)\r\n * return {counter}
\r\n * }\r\n */\n\nexport var useSelector = /*#__PURE__*/createSelectorHook();","export * from './exports';\nimport { unstable_batchedUpdates as batch } from './utils/reactBatchedUpdates';\nimport { setBatch } from './utils/batch'; // Enable batched updates in our subscriptions for use\n// with standard React renderers (ReactDOM, React Native)\n\nsetBatch(batch);\nexport { batch };","import { HttpRequest } from \"@aws-sdk/protocol-http\";\nimport {\n FinalizeHandler,\n FinalizeHandlerArguments,\n FinalizeHandlerOutput,\n FinalizeRequestMiddleware,\n HandlerExecutionContext,\n Pluggable,\n RelativeMiddlewareOptions,\n} from \"@aws-sdk/types\";\n\nimport { AwsAuthResolvedConfig } from \"./configurations\";\n\nconst isClockSkewed = (newServerTime: number, systemClockOffset: number) =>\n Math.abs(getSkewCorrectedDate(systemClockOffset).getTime() - newServerTime) >= 300000;\n\nconst getSkewCorrectedDate = (systemClockOffset: number) => new Date(Date.now() + systemClockOffset);\n\nexport function awsAuthMiddleware(\n options: AwsAuthResolvedConfig\n): FinalizeRequestMiddleware {\n return (next: FinalizeHandler, context: HandlerExecutionContext): FinalizeHandler =>\n async function (args: FinalizeHandlerArguments): Promise> {\n if (!HttpRequest.isInstance(args.request)) return next(args);\n const signer = typeof options.signer === \"function\" ? await options.signer() : options.signer;\n const output = await next({\n ...args,\n request: await signer.sign(args.request, {\n signingDate: new Date(Date.now() + options.systemClockOffset),\n signingRegion: context[\"signing_region\"],\n signingService: context[\"signing_service\"],\n }),\n });\n\n const { headers } = output.response as any;\n const dateHeader = headers && (headers.date || headers.Date);\n if (dateHeader) {\n const serverTime = Date.parse(dateHeader);\n if (isClockSkewed(serverTime, options.systemClockOffset)) {\n options.systemClockOffset = serverTime - Date.now();\n }\n }\n\n return output;\n };\n}\n\nexport const awsAuthMiddlewareOptions: RelativeMiddlewareOptions = {\n name: \"awsAuthMiddleware\",\n tags: [\"SIGNATURE\", \"AWSAUTH\"],\n relation: \"after\",\n toMiddleware: \"retryMiddleware\",\n override: true,\n};\n\nexport const getAwsAuthPlugin = (options: AwsAuthResolvedConfig): Pluggable => ({\n applyToStack: (clientStack) => {\n clientStack.addRelativeTo(awsAuthMiddleware(options), awsAuthMiddlewareOptions);\n },\n});\n","var g;\n\n// This works in non-strict mode\ng = (function() {\n\treturn this;\n})();\n\ntry {\n\t// This works if eval is allowed (see CSP)\n\tg = g || new Function(\"return this\")();\n} catch (e) {\n\t// This works if the window reference is available\n\tif (typeof window === \"object\") g = window;\n}\n\n// g can still be undefined, but nothing to do about it...\n// We return undefined, instead of nothing here, so it's\n// easier to handle this case. if(!global) { ...}\n\nmodule.exports = g;\n","// shim for using process in browser\nvar process = module.exports = {};\n\n// cached from whatever global is present so that test runners that stub it\n// don't break things. But we need to wrap it in a try catch in case it is\n// wrapped in strict mode code which doesn't define any globals. It's inside a\n// function because try/catches deoptimize in certain engines.\n\nvar cachedSetTimeout;\nvar cachedClearTimeout;\n\nfunction defaultSetTimout() {\n throw new Error('setTimeout has not been defined');\n}\nfunction defaultClearTimeout () {\n throw new Error('clearTimeout has not been defined');\n}\n(function () {\n try {\n if (typeof setTimeout === 'function') {\n cachedSetTimeout = setTimeout;\n } else {\n cachedSetTimeout = defaultSetTimout;\n }\n } catch (e) {\n cachedSetTimeout = defaultSetTimout;\n }\n try {\n if (typeof clearTimeout === 'function') {\n cachedClearTimeout = clearTimeout;\n } else {\n cachedClearTimeout = defaultClearTimeout;\n }\n } catch (e) {\n cachedClearTimeout = defaultClearTimeout;\n }\n} ())\nfunction runTimeout(fun) {\n if (cachedSetTimeout === setTimeout) {\n //normal enviroments in sane situations\n return setTimeout(fun, 0);\n }\n // if setTimeout wasn't available but was latter defined\n if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {\n cachedSetTimeout = setTimeout;\n return setTimeout(fun, 0);\n }\n try {\n // when when somebody has screwed with setTimeout but no I.E. maddness\n return cachedSetTimeout(fun, 0);\n } catch(e){\n try {\n // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally\n return cachedSetTimeout.call(null, fun, 0);\n } catch(e){\n // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error\n return cachedSetTimeout.call(this, fun, 0);\n }\n }\n\n\n}\nfunction runClearTimeout(marker) {\n if (cachedClearTimeout === clearTimeout) {\n //normal enviroments in sane situations\n return clearTimeout(marker);\n }\n // if clearTimeout wasn't available but was latter defined\n if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {\n cachedClearTimeout = clearTimeout;\n return clearTimeout(marker);\n }\n try {\n // when when somebody has screwed with setTimeout but no I.E. maddness\n return cachedClearTimeout(marker);\n } catch (e){\n try {\n // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally\n return cachedClearTimeout.call(null, marker);\n } catch (e){\n // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.\n // Some versions of I.E. have different rules for clearTimeout vs setTimeout\n return cachedClearTimeout.call(this, marker);\n }\n }\n\n\n\n}\nvar queue = [];\nvar draining = false;\nvar currentQueue;\nvar queueIndex = -1;\n\nfunction cleanUpNextTick() {\n if (!draining || !currentQueue) {\n return;\n }\n draining = false;\n if (currentQueue.length) {\n queue = currentQueue.concat(queue);\n } else {\n queueIndex = -1;\n }\n if (queue.length) {\n drainQueue();\n }\n}\n\nfunction drainQueue() {\n if (draining) {\n return;\n }\n var timeout = runTimeout(cleanUpNextTick);\n draining = true;\n\n var len = queue.length;\n while(len) {\n currentQueue = queue;\n queue = [];\n while (++queueIndex < len) {\n if (currentQueue) {\n currentQueue[queueIndex].run();\n }\n }\n queueIndex = -1;\n len = queue.length;\n }\n currentQueue = null;\n draining = false;\n runClearTimeout(timeout);\n}\n\nprocess.nextTick = function (fun) {\n var args = new Array(arguments.length - 1);\n if (arguments.length > 1) {\n for (var i = 1; i < arguments.length; i++) {\n args[i - 1] = arguments[i];\n }\n }\n queue.push(new Item(fun, args));\n if (queue.length === 1 && !draining) {\n runTimeout(drainQueue);\n }\n};\n\n// v8 likes predictible objects\nfunction Item(fun, array) {\n this.fun = fun;\n this.array = array;\n}\nItem.prototype.run = function () {\n this.fun.apply(null, this.array);\n};\nprocess.title = 'browser';\nprocess.browser = true;\nprocess.env = {};\nprocess.argv = [];\nprocess.version = ''; // empty string to avoid regexp issues\nprocess.versions = {};\n\nfunction noop() {}\n\nprocess.on = noop;\nprocess.addListener = noop;\nprocess.once = noop;\nprocess.off = noop;\nprocess.removeListener = noop;\nprocess.removeAllListeners = noop;\nprocess.emit = noop;\nprocess.prependListener = noop;\nprocess.prependOnceListener = noop;\n\nprocess.listeners = function (name) { return [] }\n\nprocess.binding = function (name) {\n throw new Error('process.binding is not supported');\n};\n\nprocess.cwd = function () { return '/' };\nprocess.chdir = function (dir) {\n throw new Error('process.chdir is not supported');\n};\nprocess.umask = function() { return 0; };\n","'use strict';\n\nvar utils = require('./utils');\nvar normalizeHeaderName = require('./helpers/normalizeHeaderName');\nvar enhanceError = require('./core/enhanceError');\n\nvar DEFAULT_CONTENT_TYPE = {\n 'Content-Type': 'application/x-www-form-urlencoded'\n};\n\nfunction setContentTypeIfUnset(headers, value) {\n if (!utils.isUndefined(headers) && utils.isUndefined(headers['Content-Type'])) {\n headers['Content-Type'] = value;\n }\n}\n\nfunction getDefaultAdapter() {\n var adapter;\n if (typeof XMLHttpRequest !== 'undefined') {\n // For browsers use XHR adapter\n adapter = require('./adapters/xhr');\n } else if (typeof process !== 'undefined' && Object.prototype.toString.call(process) === '[object process]') {\n // For node use HTTP adapter\n adapter = require('./adapters/http');\n }\n return adapter;\n}\n\nfunction stringifySafely(rawValue, parser, encoder) {\n if (utils.isString(rawValue)) {\n try {\n (parser || JSON.parse)(rawValue);\n return utils.trim(rawValue);\n } catch (e) {\n if (e.name !== 'SyntaxError') {\n throw e;\n }\n }\n }\n\n return (encoder || JSON.stringify)(rawValue);\n}\n\nvar defaults = {\n\n transitional: {\n silentJSONParsing: true,\n forcedJSONParsing: true,\n clarifyTimeoutError: false\n },\n\n adapter: getDefaultAdapter(),\n\n transformRequest: [function transformRequest(data, headers) {\n normalizeHeaderName(headers, 'Accept');\n normalizeHeaderName(headers, 'Content-Type');\n\n if (utils.isFormData(data) ||\n utils.isArrayBuffer(data) ||\n utils.isBuffer(data) ||\n utils.isStream(data) ||\n utils.isFile(data) ||\n utils.isBlob(data)\n ) {\n return data;\n }\n if (utils.isArrayBufferView(data)) {\n return data.buffer;\n }\n if (utils.isURLSearchParams(data)) {\n setContentTypeIfUnset(headers, 'application/x-www-form-urlencoded;charset=utf-8');\n return data.toString();\n }\n if (utils.isObject(data) || (headers && headers['Content-Type'] === 'application/json')) {\n setContentTypeIfUnset(headers, 'application/json');\n return stringifySafely(data);\n }\n return data;\n }],\n\n transformResponse: [function transformResponse(data) {\n var transitional = this.transitional || defaults.transitional;\n var silentJSONParsing = transitional && transitional.silentJSONParsing;\n var forcedJSONParsing = transitional && transitional.forcedJSONParsing;\n var strictJSONParsing = !silentJSONParsing && this.responseType === 'json';\n\n if (strictJSONParsing || (forcedJSONParsing && utils.isString(data) && data.length)) {\n try {\n return JSON.parse(data);\n } catch (e) {\n if (strictJSONParsing) {\n if (e.name === 'SyntaxError') {\n throw enhanceError(e, this, 'E_JSON_PARSE');\n }\n throw e;\n }\n }\n }\n\n return data;\n }],\n\n /**\n * A timeout in milliseconds to abort a request. If set to 0 (default) a\n * timeout is not created.\n */\n timeout: 0,\n\n xsrfCookieName: 'XSRF-TOKEN',\n xsrfHeaderName: 'X-XSRF-TOKEN',\n\n maxContentLength: -1,\n maxBodyLength: -1,\n\n validateStatus: function validateStatus(status) {\n return status >= 200 && status < 300;\n },\n\n headers: {\n common: {\n 'Accept': 'application/json, text/plain, */*'\n }\n }\n};\n\nutils.forEach(['delete', 'get', 'head'], function forEachMethodNoData(method) {\n defaults.headers[method] = {};\n});\n\nutils.forEach(['post', 'put', 'patch'], function forEachMethodWithData(method) {\n defaults.headers[method] = utils.merge(DEFAULT_CONTENT_TYPE);\n});\n\nmodule.exports = defaults;\n","'use strict';\n\n/**\n * A `Cancel` is an object that is thrown when an operation is canceled.\n *\n * @class\n * @param {string=} message The message.\n */\nfunction Cancel(message) {\n this.message = message;\n}\n\nCancel.prototype.toString = function toString() {\n return 'Cancel' + (this.message ? ': ' + this.message : '');\n};\n\nCancel.prototype.__CANCEL__ = true;\n\nmodule.exports = Cancel;\n","'use strict';\n\nvar utils = require('./utils');\nvar normalizeHeaderName = require('./helpers/normalizeHeaderName');\nvar enhanceError = require('./core/enhanceError');\n\nvar DEFAULT_CONTENT_TYPE = {\n 'Content-Type': 'application/x-www-form-urlencoded'\n};\n\nfunction setContentTypeIfUnset(headers, value) {\n if (!utils.isUndefined(headers) && utils.isUndefined(headers['Content-Type'])) {\n headers['Content-Type'] = value;\n }\n}\n\nfunction getDefaultAdapter() {\n var adapter;\n if (typeof XMLHttpRequest !== 'undefined') {\n // For browsers use XHR adapter\n adapter = require('./adapters/xhr');\n } else if (typeof process !== 'undefined' && Object.prototype.toString.call(process) === '[object process]') {\n // For node use HTTP adapter\n adapter = require('./adapters/http');\n }\n return adapter;\n}\n\nfunction stringifySafely(rawValue, parser, encoder) {\n if (utils.isString(rawValue)) {\n try {\n (parser || JSON.parse)(rawValue);\n return utils.trim(rawValue);\n } catch (e) {\n if (e.name !== 'SyntaxError') {\n throw e;\n }\n }\n }\n\n return (encoder || JSON.stringify)(rawValue);\n}\n\nvar defaults = {\n\n transitional: {\n silentJSONParsing: true,\n forcedJSONParsing: true,\n clarifyTimeoutError: false\n },\n\n adapter: getDefaultAdapter(),\n\n transformRequest: [function transformRequest(data, headers) {\n normalizeHeaderName(headers, 'Accept');\n normalizeHeaderName(headers, 'Content-Type');\n\n if (utils.isFormData(data) ||\n utils.isArrayBuffer(data) ||\n utils.isBuffer(data) ||\n utils.isStream(data) ||\n utils.isFile(data) ||\n utils.isBlob(data)\n ) {\n return data;\n }\n if (utils.isArrayBufferView(data)) {\n return data.buffer;\n }\n if (utils.isURLSearchParams(data)) {\n setContentTypeIfUnset(headers, 'application/x-www-form-urlencoded;charset=utf-8');\n return data.toString();\n }\n if (utils.isObject(data) || (headers && headers['Content-Type'] === 'application/json')) {\n setContentTypeIfUnset(headers, 'application/json');\n return stringifySafely(data);\n }\n return data;\n }],\n\n transformResponse: [function transformResponse(data) {\n var transitional = this.transitional || defaults.transitional;\n var silentJSONParsing = transitional && transitional.silentJSONParsing;\n var forcedJSONParsing = transitional && transitional.forcedJSONParsing;\n var strictJSONParsing = !silentJSONParsing && this.responseType === 'json';\n\n if (strictJSONParsing || (forcedJSONParsing && utils.isString(data) && data.length)) {\n try {\n return JSON.parse(data);\n } catch (e) {\n if (strictJSONParsing) {\n if (e.name === 'SyntaxError') {\n throw enhanceError(e, this, 'E_JSON_PARSE');\n }\n throw e;\n }\n }\n }\n\n return data;\n }],\n\n /**\n * A timeout in milliseconds to abort a request. If set to 0 (default) a\n * timeout is not created.\n */\n timeout: 0,\n\n xsrfCookieName: 'XSRF-TOKEN',\n xsrfHeaderName: 'X-XSRF-TOKEN',\n\n maxContentLength: -1,\n maxBodyLength: -1,\n\n validateStatus: function validateStatus(status) {\n return status >= 200 && status < 300;\n },\n\n headers: {\n common: {\n 'Accept': 'application/json, text/plain, */*'\n }\n }\n};\n\nutils.forEach(['delete', 'get', 'head'], function forEachMethodNoData(method) {\n defaults.headers[method] = {};\n});\n\nutils.forEach(['post', 'put', 'patch'], function forEachMethodWithData(method) {\n defaults.headers[method] = utils.merge(DEFAULT_CONTENT_TYPE);\n});\n\nmodule.exports = defaults;\n","'use strict';\n\n/**\n * A `Cancel` is an object that is thrown when an operation is canceled.\n *\n * @class\n * @param {string=} message The message.\n */\nfunction Cancel(message) {\n this.message = message;\n}\n\nCancel.prototype.toString = function toString() {\n return 'Cancel' + (this.message ? ': ' + this.message : '');\n};\n\nCancel.prototype.__CANCEL__ = true;\n\nmodule.exports = Cancel;\n","'use strict';\n\nconst util = require('./util');\nconst buildOptions = require('./util').buildOptions;\nconst xmlNode = require('./xmlNode');\nconst toNumber = require(\"strnum\");\n\nconst regx =\n '<((!\\\\[CDATA\\\\[([\\\\s\\\\S]*?)(]]>))|((NAME:)?(NAME))([^>]*)>|((\\\\/)(NAME)\\\\s*>))([^<]*)'\n .replace(/NAME/g, util.nameRegexp);\n\n//const tagsRegx = new RegExp(\"<(\\\\/?[\\\\w:\\\\-\\._]+)([^>]*)>(\\\\s*\"+cdataRegx+\")*([^<]+)?\",\"g\");\n//const tagsRegx = new RegExp(\"<(\\\\/?)((\\\\w*:)?([\\\\w:\\\\-\\._]+))([^>]*)>([^<]*)(\"+cdataRegx+\"([^<]*))*([^<]+)?\",\"g\");\n\n//polyfill\nif (!Number.parseInt && window.parseInt) {\n Number.parseInt = window.parseInt;\n}\nif (!Number.parseFloat && window.parseFloat) {\n Number.parseFloat = window.parseFloat;\n}\n\nconst defaultOptions = {\n attributeNamePrefix: '@_',\n attrNodeName: false,\n textNodeName: '#text',\n ignoreAttributes: true,\n ignoreNameSpace: false,\n allowBooleanAttributes: false, //a tag can have attributes without any value\n //ignoreRootElement : false,\n parseNodeValue: true,\n parseAttributeValue: false,\n arrayMode: false,\n trimValues: true, //Trim string values of tag and attributes\n cdataTagName: false,\n cdataPositionChar: '\\\\c',\n numParseOptions: {\n hex: true,\n leadingZeros: true\n },\n tagValueProcessor: function(a, tagName) {\n return a;\n },\n attrValueProcessor: function(a, attrName) {\n return a;\n },\n stopNodes: [],\n alwaysCreateTextNode: false\n //decodeStrict: false,\n};\n\nexports.defaultOptions = defaultOptions;\n\nconst props = [\n 'attributeNamePrefix',\n 'attrNodeName',\n 'textNodeName',\n 'ignoreAttributes',\n 'ignoreNameSpace',\n 'allowBooleanAttributes',\n 'parseNodeValue',\n 'parseAttributeValue',\n 'arrayMode',\n 'trimValues',\n 'cdataTagName',\n 'cdataPositionChar',\n 'tagValueProcessor',\n 'attrValueProcessor',\n 'parseTrueNumberOnly',\n 'numParseOptions',\n 'stopNodes',\n 'alwaysCreateTextNode'\n];\nexports.props = props;\n\n/**\n * Trim -> valueProcessor -> parse value\n * @param {string} tagName\n * @param {string} val\n * @param {object} options\n */\nfunction processTagValue(tagName, val, options) {\n if (val) {\n if (options.trimValues) {\n val = val.trim();\n }\n val = options.tagValueProcessor(val, tagName);\n val = parseValue(val, options.parseNodeValue, options.numParseOptions);\n }\n\n return val;\n}\n\nfunction resolveNameSpace(tagname, options) {\n if (options.ignoreNameSpace) {\n const tags = tagname.split(':');\n const prefix = tagname.charAt(0) === '/' ? '/' : '';\n if (tags[0] === 'xmlns') {\n return '';\n }\n if (tags.length === 2) {\n tagname = prefix + tags[1];\n }\n }\n return tagname;\n}\n\nfunction parseValue(val, shouldParse, options) {\n if (shouldParse && typeof val === 'string') {\n //console.log(options)\n const newval = val.trim();\n if(newval === 'true' ) return true;\n else if(newval === 'false' ) return false;\n else return toNumber(val, options);\n } else {\n if (util.isExist(val)) {\n return val;\n } else {\n return '';\n }\n }\n}\n\n//TODO: change regex to capture NS\n//const attrsRegx = new RegExp(\"([\\\\w\\\\-\\\\.\\\\:]+)\\\\s*=\\\\s*(['\\\"])((.|\\n)*?)\\\\2\",\"gm\");\nconst attrsRegx = new RegExp('([^\\\\s=]+)\\\\s*(=\\\\s*([\\'\"])(.*?)\\\\3)?', 'g');\n\nfunction buildAttributesMap(attrStr, options) {\n if (!options.ignoreAttributes && typeof attrStr === 'string') {\n attrStr = attrStr.replace(/\\r?\\n/g, ' ');\n //attrStr = attrStr || attrStr.trim();\n\n const matches = util.getAllMatches(attrStr, attrsRegx);\n const len = matches.length; //don't make it inline\n const attrs = {};\n for (let i = 0; i < len; i++) {\n const attrName = resolveNameSpace(matches[i][1], options);\n if (attrName.length) {\n if (matches[i][4] !== undefined) {\n if (options.trimValues) {\n matches[i][4] = matches[i][4].trim();\n }\n matches[i][4] = options.attrValueProcessor(matches[i][4], attrName);\n attrs[options.attributeNamePrefix + attrName] = parseValue(\n matches[i][4],\n options.parseAttributeValue,\n options.numParseOptions\n );\n } else if (options.allowBooleanAttributes) {\n attrs[options.attributeNamePrefix + attrName] = true;\n }\n }\n }\n if (!Object.keys(attrs).length) {\n return;\n }\n if (options.attrNodeName) {\n const attrCollection = {};\n attrCollection[options.attrNodeName] = attrs;\n return attrCollection;\n }\n return attrs;\n }\n}\n\nconst getTraversalObj = function(xmlData, options) {\n xmlData = xmlData.replace(/\\r\\n?/g, \"\\n\");\n options = buildOptions(options, defaultOptions, props);\n const xmlObj = new xmlNode('!xml');\n let currentNode = xmlObj;\n let textData = \"\";\n\n//function match(xmlData){\n for(let i=0; i< xmlData.length; i++){\n const ch = xmlData[i];\n if(ch === '<'){\n if( xmlData[i+1] === '/') {//Closing Tag\n const closeIndex = findClosingIndex(xmlData, \">\", i, \"Closing Tag is not closed.\")\n let tagName = xmlData.substring(i+2,closeIndex).trim();\n\n if(options.ignoreNameSpace){\n const colonIndex = tagName.indexOf(\":\");\n if(colonIndex !== -1){\n tagName = tagName.substr(colonIndex+1);\n }\n }\n\n /* if (currentNode.parent) {\n currentNode.parent.val = util.getValue(currentNode.parent.val) + '' + processTagValue2(tagName, textData , options);\n } */\n if(currentNode){\n if(currentNode.val){\n currentNode.val = util.getValue(currentNode.val) + '' + processTagValue(tagName, textData , options);\n }else{\n currentNode.val = processTagValue(tagName, textData , options);\n }\n }\n\n if (options.stopNodes.length && options.stopNodes.includes(currentNode.tagname)) {\n currentNode.child = []\n if (currentNode.attrsMap == undefined) { currentNode.attrsMap = {}}\n currentNode.val = xmlData.substr(currentNode.startIndex + 1, i - currentNode.startIndex - 1)\n }\n currentNode = currentNode.parent;\n textData = \"\";\n i = closeIndex;\n } else if( xmlData[i+1] === '?') {\n i = findClosingIndex(xmlData, \"?>\", i, \"Pi Tag is not closed.\")\n } else if(xmlData.substr(i + 1, 3) === '!--') {\n i = findClosingIndex(xmlData, \"-->\", i, \"Comment is not closed.\")\n } else if( xmlData.substr(i + 1, 2) === '!D') {\n const closeIndex = findClosingIndex(xmlData, \">\", i, \"DOCTYPE is not closed.\")\n const tagExp = xmlData.substring(i, closeIndex);\n if(tagExp.indexOf(\"[\") >= 0){\n i = xmlData.indexOf(\"]>\", i) + 1;\n }else{\n i = closeIndex;\n }\n }else if(xmlData.substr(i + 1, 2) === '![') {\n const closeIndex = findClosingIndex(xmlData, \"]]>\", i, \"CDATA is not closed.\") - 2\n const tagExp = xmlData.substring(i + 9,closeIndex);\n\n //considerations\n //1. CDATA will always have parent node\n //2. A tag with CDATA is not a leaf node so it's value would be string type.\n if(textData){\n currentNode.val = util.getValue(currentNode.val) + '' + processTagValue(currentNode.tagname, textData , options);\n textData = \"\";\n }\n\n if (options.cdataTagName) {\n //add cdata node\n const childNode = new xmlNode(options.cdataTagName, currentNode, tagExp);\n currentNode.addChild(childNode);\n //for backtracking\n currentNode.val = util.getValue(currentNode.val) + options.cdataPositionChar;\n //add rest value to parent node\n if (tagExp) {\n childNode.val = tagExp;\n }\n } else {\n currentNode.val = (currentNode.val || '') + (tagExp || '');\n }\n\n i = closeIndex + 2;\n }else {//Opening tag\n const result = closingIndexForOpeningTag(xmlData, i+1)\n let tagExp = result.data;\n const closeIndex = result.index;\n const separatorIndex = tagExp.indexOf(\" \");\n let tagName = tagExp;\n let shouldBuildAttributesMap = true;\n if(separatorIndex !== -1){\n tagName = tagExp.substr(0, separatorIndex).replace(/\\s\\s*$/, '');\n tagExp = tagExp.substr(separatorIndex + 1);\n }\n\n if(options.ignoreNameSpace){\n const colonIndex = tagName.indexOf(\":\");\n if(colonIndex !== -1){\n tagName = tagName.substr(colonIndex+1);\n shouldBuildAttributesMap = tagName !== result.data.substr(colonIndex + 1);\n }\n }\n\n //save text to parent node\n if (currentNode && textData) {\n if(currentNode.tagname !== '!xml'){\n currentNode.val = util.getValue(currentNode.val) + '' + processTagValue( currentNode.tagname, textData, options);\n }\n }\n\n if(tagExp.length > 0 && tagExp.lastIndexOf(\"/\") === tagExp.length - 1){//selfClosing tag\n\n if(tagName[tagName.length - 1] === \"/\"){ //remove trailing '/'\n tagName = tagName.substr(0, tagName.length - 1);\n tagExp = tagName;\n }else{\n tagExp = tagExp.substr(0, tagExp.length - 1);\n }\n\n const childNode = new xmlNode(tagName, currentNode, '');\n if(tagName !== tagExp){\n childNode.attrsMap = buildAttributesMap(tagExp, options);\n }\n currentNode.addChild(childNode);\n }else{//opening tag\n\n const childNode = new xmlNode( tagName, currentNode );\n if (options.stopNodes.length && options.stopNodes.includes(childNode.tagname)) {\n childNode.startIndex=closeIndex;\n }\n if(tagName !== tagExp && shouldBuildAttributesMap){\n childNode.attrsMap = buildAttributesMap(tagExp, options);\n }\n currentNode.addChild(childNode);\n currentNode = childNode;\n }\n textData = \"\";\n i = closeIndex;\n }\n }else{\n textData += xmlData[i];\n }\n }\n return xmlObj;\n}\n\nfunction closingIndexForOpeningTag(data, i){\n let attrBoundary;\n let tagExp = \"\";\n for (let index = i; index < data.length; index++) {\n let ch = data[index];\n if (attrBoundary) {\n if (ch === attrBoundary) attrBoundary = \"\";//reset\n } else if (ch === '\"' || ch === \"'\") {\n attrBoundary = ch;\n } else if (ch === '>') {\n return {\n data: tagExp,\n index: index\n }\n } else if (ch === '\\t') {\n ch = \" \"\n }\n tagExp += ch;\n }\n}\n\nfunction findClosingIndex(xmlData, str, i, errMsg){\n const closingIndex = xmlData.indexOf(str, i);\n if(closingIndex === -1){\n throw new Error(errMsg)\n }else{\n return closingIndex + str.length - 1;\n }\n}\n\nexports.getTraversalObj = getTraversalObj;\n",null,null,null,"import { Credentials, HashConstructor, SourceData } from \"@aws-sdk/types\";\nimport { toHex } from \"@aws-sdk/util-hex-encoding\";\n\nimport { KEY_TYPE_IDENTIFIER, MAX_CACHE_SIZE } from \"./constants\";\n\nconst signingKeyCache: { [key: string]: Uint8Array } = {};\nconst cacheQueue: Array = [];\n\n/**\n * Create a string describing the scope of credentials used to sign a request.\n *\n * @param shortDate The current calendar date in the form YYYYMMDD.\n * @param region The AWS region in which the service resides.\n * @param service The service to which the signed request is being sent.\n */\nexport function createScope(shortDate: string, region: string, service: string): string {\n return `${shortDate}/${region}/${service}/${KEY_TYPE_IDENTIFIER}`;\n}\n\n/**\n * Derive a signing key from its composite parts\n *\n * @param sha256Constructor A constructor function that can instantiate SHA-256\n * hash objects.\n * @param credentials The credentials with which the request will be\n * signed.\n * @param shortDate The current calendar date in the form YYYYMMDD.\n * @param region The AWS region in which the service resides.\n * @param service The service to which the signed request is being\n * sent.\n */\nexport const getSigningKey = async (\n sha256Constructor: HashConstructor,\n credentials: Credentials,\n shortDate: string,\n region: string,\n service: string\n): Promise => {\n const credsHash = await hmac(sha256Constructor, credentials.secretAccessKey, credentials.accessKeyId);\n const cacheKey = `${shortDate}:${region}:${service}:${toHex(credsHash)}:${credentials.sessionToken}`;\n if (cacheKey in signingKeyCache) {\n return signingKeyCache[cacheKey];\n }\n\n cacheQueue.push(cacheKey);\n while (cacheQueue.length > MAX_CACHE_SIZE) {\n delete signingKeyCache[cacheQueue.shift() as string];\n }\n\n let key: SourceData = `AWS4${credentials.secretAccessKey}`;\n for (const signable of [shortDate, region, service, KEY_TYPE_IDENTIFIER]) {\n key = await hmac(sha256Constructor, key, signable);\n }\n return (signingKeyCache[cacheKey] = key as Uint8Array);\n};\n\n/**\n * @internal\n */\nexport function clearCredentialCache(): void {\n cacheQueue.length = 0;\n Object.keys(signingKeyCache).forEach((cacheKey) => {\n delete signingKeyCache[cacheKey];\n });\n}\n\nfunction hmac(ctor: HashConstructor, secret: SourceData, data: SourceData): Promise {\n const hash = new ctor(secret);\n hash.update(data);\n return hash.digest();\n}\n","import { HeaderBag, HttpRequest } from \"@aws-sdk/types\";\n\nimport { ALWAYS_UNSIGNABLE_HEADERS, PROXY_HEADER_PATTERN, SEC_HEADER_PATTERN } from \"./constants\";\n\n/**\n * @internal\n */\nexport function getCanonicalHeaders(\n { headers }: HttpRequest,\n unsignableHeaders?: Set,\n signableHeaders?: Set\n): HeaderBag {\n const canonical: HeaderBag = {};\n for (const headerName of Object.keys(headers).sort()) {\n const canonicalHeaderName = headerName.toLowerCase();\n if (\n canonicalHeaderName in ALWAYS_UNSIGNABLE_HEADERS ||\n unsignableHeaders?.has(canonicalHeaderName) ||\n PROXY_HEADER_PATTERN.test(canonicalHeaderName) ||\n SEC_HEADER_PATTERN.test(canonicalHeaderName)\n ) {\n if (!signableHeaders || (signableHeaders && !signableHeaders.has(canonicalHeaderName))) {\n continue;\n }\n }\n\n canonical[canonicalHeaderName] = headers[headerName].trim().replace(/\\s+/g, \" \");\n }\n\n return canonical;\n}\n","import { isArrayBuffer } from \"@aws-sdk/is-array-buffer\";\nimport { HashConstructor, HttpRequest } from \"@aws-sdk/types\";\nimport { toHex } from \"@aws-sdk/util-hex-encoding\";\n\nimport { SHA256_HEADER, UNSIGNED_PAYLOAD } from \"./constants\";\n\n/**\n * @internal\n */\nexport async function getPayloadHash(\n { headers, body }: HttpRequest,\n hashConstructor: HashConstructor\n): Promise {\n for (const headerName of Object.keys(headers)) {\n if (headerName.toLowerCase() === SHA256_HEADER) {\n return headers[headerName];\n }\n }\n\n if (body == undefined) {\n return \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\";\n } else if (typeof body === \"string\" || ArrayBuffer.isView(body) || isArrayBuffer(body)) {\n const hashCtor = new hashConstructor();\n hashCtor.update(body);\n return toHex(await hashCtor.digest());\n }\n\n // As any defined body that is not a string or binary data is a stream, this\n // body is unsignable. Attempt to send the request with an unsigned payload,\n // which may or may not be accepted by the service.\n return UNSIGNED_PAYLOAD;\n}\n","import { HttpRequest, QueryParameterBag } from \"@aws-sdk/types\";\n\n/**\n * @internal\n */\nexport function cloneRequest({ headers, query, ...rest }: HttpRequest): HttpRequest {\n return {\n ...rest,\n headers: { ...headers },\n query: query ? cloneQuery(query) : undefined,\n };\n}\n\nfunction cloneQuery(query: QueryParameterBag): QueryParameterBag {\n return Object.keys(query).reduce((carry: QueryParameterBag, paramName: string) => {\n const param = query[paramName];\n return {\n ...carry,\n [paramName]: Array.isArray(param) ? [...param] : param,\n };\n }, {});\n}\n","import { HttpRequest } from \"@aws-sdk/types\";\n\nimport { cloneRequest } from \"./cloneRequest\";\nimport { GENERATED_HEADERS } from \"./constants\";\n\n/**\n * @internal\n */\nexport function prepareRequest(request: HttpRequest): HttpRequest {\n // Create a clone of the request object that does not clone the body\n request = typeof (request as any).clone === \"function\" ? (request as any).clone() : cloneRequest(request);\n\n for (const headerName of Object.keys(request.headers)) {\n if (GENERATED_HEADERS.indexOf(headerName.toLowerCase()) > -1) {\n delete request.headers[headerName];\n }\n }\n\n return request;\n}\n","export function iso8601(time: number | string | Date): string {\n return toDate(time)\n .toISOString()\n .replace(/\\.\\d{3}Z$/, \"Z\");\n}\n\nexport function toDate(time: number | string | Date): Date {\n if (typeof time === \"number\") {\n return new Date(time * 1000);\n }\n\n if (typeof time === \"string\") {\n if (Number(time)) {\n return new Date(Number(time) * 1000);\n }\n return new Date(time);\n }\n\n return time;\n}\n","import {\n Credentials,\n DateInput,\n EventSigner,\n EventSigningArguments,\n FormattedEvent,\n HashConstructor,\n HeaderBag,\n HttpRequest,\n Provider,\n RequestPresigner,\n RequestPresigningArguments,\n RequestSigner,\n RequestSigningArguments,\n SigningArguments,\n StringSigner,\n} from \"@aws-sdk/types\";\nimport { toHex } from \"@aws-sdk/util-hex-encoding\";\n\nimport {\n ALGORITHM_IDENTIFIER,\n ALGORITHM_QUERY_PARAM,\n AMZ_DATE_HEADER,\n AMZ_DATE_QUERY_PARAM,\n AUTH_HEADER,\n CREDENTIAL_QUERY_PARAM,\n EVENT_ALGORITHM_IDENTIFIER,\n EXPIRES_QUERY_PARAM,\n MAX_PRESIGNED_TTL,\n SHA256_HEADER,\n SIGNATURE_QUERY_PARAM,\n SIGNED_HEADERS_QUERY_PARAM,\n TOKEN_HEADER,\n TOKEN_QUERY_PARAM,\n} from \"./constants\";\nimport { createScope, getSigningKey } from \"./credentialDerivation\";\nimport { getCanonicalHeaders } from \"./getCanonicalHeaders\";\nimport { getCanonicalQuery } from \"./getCanonicalQuery\";\nimport { getPayloadHash } from \"./getPayloadHash\";\nimport { hasHeader } from \"./hasHeader\";\nimport { moveHeadersToQuery } from \"./moveHeadersToQuery\";\nimport { prepareRequest } from \"./prepareRequest\";\nimport { iso8601 } from \"./utilDate\";\n\nexport interface SignatureV4Init {\n /**\n * The service signing name.\n */\n service: string;\n\n /**\n * The region name or a function that returns a promise that will be\n * resolved with the region name.\n */\n region: string | Provider;\n\n /**\n * The credentials with which the request should be signed or a function\n * that returns a promise that will be resolved with credentials.\n */\n credentials: Credentials | Provider;\n\n /**\n * A constructor function for a hash object that will calculate SHA-256 HMAC\n * checksums.\n */\n sha256?: HashConstructor;\n\n /**\n * Whether to uri-escape the request URI path as part of computing the\n * canonical request string. This is required for every AWS service, except\n * Amazon S3, as of late 2017.\n *\n * @default [true]\n */\n uriEscapePath?: boolean;\n\n /**\n * Whether to calculate a checksum of the request body and include it as\n * either a request header (when signing) or as a query string parameter\n * (when presigning). This is required for AWS Glacier and Amazon S3 and optional for\n * every other AWS service as of late 2017.\n *\n * @default [true]\n */\n applyChecksum?: boolean;\n}\n\nexport interface SignatureV4CryptoInit {\n sha256: HashConstructor;\n}\n\nexport class SignatureV4 implements RequestPresigner, RequestSigner, StringSigner, EventSigner {\n private readonly service: string;\n private readonly regionProvider: Provider;\n private readonly credentialProvider: Provider;\n private readonly sha256: HashConstructor;\n private readonly uriEscapePath: boolean;\n private readonly applyChecksum: boolean;\n\n constructor({\n applyChecksum,\n credentials,\n region,\n service,\n sha256,\n uriEscapePath = true,\n }: SignatureV4Init & SignatureV4CryptoInit) {\n this.service = service;\n this.sha256 = sha256;\n this.uriEscapePath = uriEscapePath;\n // default to true if applyChecksum isn't set\n this.applyChecksum = typeof applyChecksum === \"boolean\" ? applyChecksum : true;\n this.regionProvider = normalizeRegionProvider(region);\n this.credentialProvider = normalizeCredentialsProvider(credentials);\n }\n\n public async presign(originalRequest: HttpRequest, options: RequestPresigningArguments = {}): Promise {\n const {\n signingDate = new Date(),\n expiresIn = 3600,\n unsignableHeaders,\n unhoistableHeaders,\n signableHeaders,\n signingRegion,\n signingService,\n } = options;\n const credentials = await this.credentialProvider();\n const region = signingRegion ?? (await this.regionProvider());\n\n const { longDate, shortDate } = formatDate(signingDate);\n if (expiresIn > MAX_PRESIGNED_TTL) {\n return Promise.reject(\n \"Signature version 4 presigned URLs\" + \" must have an expiration date less than one week in\" + \" the future\"\n );\n }\n\n const scope = createScope(shortDate, region, signingService ?? this.service);\n const request = moveHeadersToQuery(prepareRequest(originalRequest), { unhoistableHeaders });\n\n if (credentials.sessionToken) {\n request.query[TOKEN_QUERY_PARAM] = credentials.sessionToken;\n }\n request.query[ALGORITHM_QUERY_PARAM] = ALGORITHM_IDENTIFIER;\n request.query[CREDENTIAL_QUERY_PARAM] = `${credentials.accessKeyId}/${scope}`;\n request.query[AMZ_DATE_QUERY_PARAM] = longDate;\n request.query[EXPIRES_QUERY_PARAM] = expiresIn.toString(10);\n\n const canonicalHeaders = getCanonicalHeaders(request, unsignableHeaders, signableHeaders);\n request.query[SIGNED_HEADERS_QUERY_PARAM] = getCanonicalHeaderList(canonicalHeaders);\n\n request.query[SIGNATURE_QUERY_PARAM] = await this.getSignature(\n longDate,\n scope,\n this.getSigningKey(credentials, region, shortDate, signingService),\n this.createCanonicalRequest(request, canonicalHeaders, await getPayloadHash(originalRequest, this.sha256))\n );\n\n return request;\n }\n\n public async sign(stringToSign: string, options?: SigningArguments): Promise;\n public async sign(event: FormattedEvent, options: EventSigningArguments): Promise;\n public async sign(requestToSign: HttpRequest, options?: RequestSigningArguments): Promise;\n public async sign(toSign: any, options: any): Promise {\n if (typeof toSign === \"string\") {\n return this.signString(toSign, options);\n } else if (toSign.headers && toSign.payload) {\n return this.signEvent(toSign, options);\n } else {\n return this.signRequest(toSign, options);\n }\n }\n\n private async signEvent(\n { headers, payload }: FormattedEvent,\n { signingDate = new Date(), priorSignature, signingRegion, signingService }: EventSigningArguments\n ): Promise {\n const region = signingRegion ?? (await this.regionProvider());\n const { shortDate, longDate } = formatDate(signingDate);\n const scope = createScope(shortDate, region, signingService ?? this.service);\n const hashedPayload = await getPayloadHash({ headers: {}, body: payload } as any, this.sha256);\n const hash = new this.sha256();\n hash.update(headers);\n const hashedHeaders = toHex(await hash.digest());\n const stringToSign = [\n EVENT_ALGORITHM_IDENTIFIER,\n longDate,\n scope,\n priorSignature,\n hashedHeaders,\n hashedPayload,\n ].join(\"\\n\");\n return this.signString(stringToSign, { signingDate, signingRegion: region, signingService });\n }\n\n private async signString(\n stringToSign: string,\n { signingDate = new Date(), signingRegion, signingService }: SigningArguments = {}\n ): Promise {\n const credentials = await this.credentialProvider();\n const region = signingRegion ?? (await this.regionProvider());\n const { shortDate } = formatDate(signingDate);\n\n const hash = new this.sha256(await this.getSigningKey(credentials, region, shortDate, signingService));\n hash.update(stringToSign);\n return toHex(await hash.digest());\n }\n\n private async signRequest(\n requestToSign: HttpRequest,\n {\n signingDate = new Date(),\n signableHeaders,\n unsignableHeaders,\n signingRegion,\n signingService,\n }: RequestSigningArguments = {}\n ): Promise {\n const credentials = await this.credentialProvider();\n const region = signingRegion ?? (await this.regionProvider());\n const request = prepareRequest(requestToSign);\n const { longDate, shortDate } = formatDate(signingDate);\n const scope = createScope(shortDate, region, signingService ?? this.service);\n\n request.headers[AMZ_DATE_HEADER] = longDate;\n if (credentials.sessionToken) {\n request.headers[TOKEN_HEADER] = credentials.sessionToken;\n }\n\n const payloadHash = await getPayloadHash(request, this.sha256);\n if (!hasHeader(SHA256_HEADER, request.headers) && this.applyChecksum) {\n request.headers[SHA256_HEADER] = payloadHash;\n }\n\n const canonicalHeaders = getCanonicalHeaders(request, unsignableHeaders, signableHeaders);\n const signature = await this.getSignature(\n longDate,\n scope,\n this.getSigningKey(credentials, region, shortDate, signingService),\n this.createCanonicalRequest(request, canonicalHeaders, payloadHash)\n );\n\n request.headers[AUTH_HEADER] =\n `${ALGORITHM_IDENTIFIER} ` +\n `Credential=${credentials.accessKeyId}/${scope}, ` +\n `SignedHeaders=${getCanonicalHeaderList(canonicalHeaders)}, ` +\n `Signature=${signature}`;\n\n return request;\n }\n\n private createCanonicalRequest(request: HttpRequest, canonicalHeaders: HeaderBag, payloadHash: string): string {\n const sortedHeaders = Object.keys(canonicalHeaders).sort();\n return `${request.method}\n${this.getCanonicalPath(request)}\n${getCanonicalQuery(request)}\n${sortedHeaders.map((name) => `${name}:${canonicalHeaders[name]}`).join(\"\\n\")}\n\n${sortedHeaders.join(\";\")}\n${payloadHash}`;\n }\n\n private async createStringToSign(\n longDate: string,\n credentialScope: string,\n canonicalRequest: string\n ): Promise {\n const hash = new this.sha256();\n hash.update(canonicalRequest);\n const hashedRequest = await hash.digest();\n\n return `${ALGORITHM_IDENTIFIER}\n${longDate}\n${credentialScope}\n${toHex(hashedRequest)}`;\n }\n\n private getCanonicalPath({ path }: HttpRequest): string {\n if (this.uriEscapePath) {\n const doubleEncoded = encodeURIComponent(path.replace(/^\\//, \"\"));\n return `/${doubleEncoded.replace(/%2F/g, \"/\")}`;\n }\n\n return path;\n }\n\n private async getSignature(\n longDate: string,\n credentialScope: string,\n keyPromise: Promise,\n canonicalRequest: string\n ): Promise {\n const stringToSign = await this.createStringToSign(longDate, credentialScope, canonicalRequest);\n\n const hash = new this.sha256(await keyPromise);\n hash.update(stringToSign);\n return toHex(await hash.digest());\n }\n\n private getSigningKey(\n credentials: Credentials,\n region: string,\n shortDate: string,\n service?: string\n ): Promise {\n return getSigningKey(this.sha256, credentials, shortDate, region, service || this.service);\n }\n}\n\nconst formatDate = (now: DateInput): { longDate: string; shortDate: string } => {\n const longDate = iso8601(now).replace(/[\\-:]/g, \"\");\n return {\n longDate,\n shortDate: longDate.substr(0, 8),\n };\n};\n\nconst getCanonicalHeaderList = (headers: object): string => Object.keys(headers).sort().join(\";\");\n\nconst normalizeRegionProvider = (region: string | Provider): Provider => {\n if (typeof region === \"string\") {\n const promisified = Promise.resolve(region);\n return () => promisified;\n } else {\n return region;\n }\n};\n\nconst normalizeCredentialsProvider = (credentials: Credentials | Provider): Provider => {\n if (typeof credentials === \"object\") {\n const promisified = Promise.resolve(credentials);\n return () => promisified;\n } else {\n return credentials;\n }\n};\n","import { HttpRequest, QueryParameterBag } from \"@aws-sdk/types\";\n\nimport { cloneRequest } from \"./cloneRequest\";\n\n/**\n * @internal\n */\nexport function moveHeadersToQuery(\n request: HttpRequest,\n options: { unhoistableHeaders?: Set } = {}\n): HttpRequest & { query: QueryParameterBag } {\n const { headers, query = {} as QueryParameterBag } =\n typeof (request as any).clone === \"function\" ? (request as any).clone() : cloneRequest(request);\n for (const name of Object.keys(headers)) {\n const lname = name.toLowerCase();\n if (lname.substr(0, 6) === \"x-amz-\" && !options.unhoistableHeaders?.has(lname)) {\n query[name] = headers[name];\n delete headers[name];\n }\n }\n\n return {\n ...request,\n headers,\n query,\n };\n}\n","import { HeaderBag } from \"@aws-sdk/types\";\n\nexport function hasHeader(soughtHeader: string, headers: HeaderBag): boolean {\n soughtHeader = soughtHeader.toLowerCase();\n for (const headerName of Object.keys(headers)) {\n if (soughtHeader === headerName.toLowerCase()) {\n return true;\n }\n }\n\n return false;\n}\n","import { HttpRequest } from \"@aws-sdk/types\";\nimport { escapeUri } from \"@aws-sdk/util-uri-escape\";\n\nimport { SIGNATURE_HEADER } from \"./constants\";\n\n/**\n * @internal\n */\nexport function getCanonicalQuery({ query = {} }: HttpRequest): string {\n const keys: Array = [];\n const serialized: { [key: string]: string } = {};\n for (const key of Object.keys(query).sort()) {\n if (key.toLowerCase() === SIGNATURE_HEADER) {\n continue;\n }\n\n keys.push(key);\n const value = query[key];\n if (typeof value === \"string\") {\n serialized[key] = `${escapeUri(key)}=${escapeUri(value)}`;\n } else if (Array.isArray(value)) {\n serialized[key] = value\n .slice(0)\n .sort()\n .reduce(\n (encoded: Array, value: string) => encoded.concat([`${escapeUri(key)}=${escapeUri(value)}`]),\n []\n )\n .join(\"&\");\n }\n }\n\n return keys\n .map((key) => serialized[key])\n .filter((serialized) => serialized) // omit any falsy values\n .join(\"&\");\n}\n","export const invalidFunction = (message: string) => () => {\n throw new Error(message);\n};\n","import { Provider } from \"@aws-sdk/types\";\nexport const invalidProvider: (message: string) => Provider = (message: string) => () => Promise.reject(message);\n","import { HttpResponse } from \"@aws-sdk/protocol-http\";\nimport {\n AbsoluteLocation,\n HandlerExecutionContext,\n InitializeHandler,\n InitializeHandlerArguments,\n InitializeHandlerOptions,\n InitializeHandlerOutput,\n MetadataBearer,\n Pluggable,\n} from \"@aws-sdk/types\";\n\nexport const loggerMiddleware = () =>