Add extracted source directory and README navigation

This commit is contained in:
Shawn Bot
2026-03-31 14:56:06 +00:00
parent 6252bb6eb5
commit 91e01d755b
4757 changed files with 984951 additions and 0 deletions

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var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
// src/index.ts
var src_exports = {};
__export(src_exports, {
constructStack: () => constructStack
});
module.exports = __toCommonJS(src_exports);
// src/MiddlewareStack.ts
var getAllAliases = /* @__PURE__ */ __name((name, aliases) => {
const _aliases = [];
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}
if (aliases) {
for (const alias of aliases) {
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}
}
return _aliases;
}, "getAllAliases");
var getMiddlewareNameWithAliases = /* @__PURE__ */ __name((name, aliases) => {
return `${name || "anonymous"}${aliases && aliases.length > 0 ? ` (a.k.a. ${aliases.join(",")})` : ""}`;
}, "getMiddlewareNameWithAliases");
var constructStack = /* @__PURE__ */ __name(() => {
let absoluteEntries = [];
let relativeEntries = [];
let identifyOnResolve = false;
const entriesNameSet = /* @__PURE__ */ new Set();
const sort = /* @__PURE__ */ __name((entries) => entries.sort(
(a, b) => stepWeights[b.step] - stepWeights[a.step] || priorityWeights[b.priority || "normal"] - priorityWeights[a.priority || "normal"]
), "sort");
const removeByName = /* @__PURE__ */ __name((toRemove) => {
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}
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}, "filterCb");
absoluteEntries = absoluteEntries.filter(filterCb);
relativeEntries = relativeEntries.filter(filterCb);
return isRemoved;
}, "removeByName");
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let isRemoved = false;
const filterCb = /* @__PURE__ */ __name((entry) => {
if (entry.middleware === toRemove) {
isRemoved = true;
for (const alias of getAllAliases(entry.name, entry.aliases)) {
entriesNameSet.delete(alias);
}
return false;
}
return true;
}, "filterCb");
absoluteEntries = absoluteEntries.filter(filterCb);
relativeEntries = relativeEntries.filter(filterCb);
return isRemoved;
}, "removeByReference");
const cloneTo = /* @__PURE__ */ __name((toStack) => {
var _a;
absoluteEntries.forEach((entry) => {
toStack.add(entry.middleware, { ...entry });
});
relativeEntries.forEach((entry) => {
toStack.addRelativeTo(entry.middleware, { ...entry });
});
(_a = toStack.identifyOnResolve) == null ? void 0 : _a.call(toStack, stack.identifyOnResolve());
return toStack;
}, "cloneTo");
const expandRelativeMiddlewareList = /* @__PURE__ */ __name((from) => {
const expandedMiddlewareList = [];
from.before.forEach((entry) => {
if (entry.before.length === 0 && entry.after.length === 0) {
expandedMiddlewareList.push(entry);
} else {
expandedMiddlewareList.push(...expandRelativeMiddlewareList(entry));
}
});
expandedMiddlewareList.push(from);
from.after.reverse().forEach((entry) => {
if (entry.before.length === 0 && entry.after.length === 0) {
expandedMiddlewareList.push(entry);
} else {
expandedMiddlewareList.push(...expandRelativeMiddlewareList(entry));
}
});
return expandedMiddlewareList;
}, "expandRelativeMiddlewareList");
const getMiddlewareList = /* @__PURE__ */ __name((debug = false) => {
const normalizedAbsoluteEntries = [];
const normalizedRelativeEntries = [];
const normalizedEntriesNameMap = {};
absoluteEntries.forEach((entry) => {
const normalizedEntry = {
...entry,
before: [],
after: []
};
for (const alias of getAllAliases(normalizedEntry.name, normalizedEntry.aliases)) {
normalizedEntriesNameMap[alias] = normalizedEntry;
}
normalizedAbsoluteEntries.push(normalizedEntry);
});
relativeEntries.forEach((entry) => {
const normalizedEntry = {
...entry,
before: [],
after: []
};
for (const alias of getAllAliases(normalizedEntry.name, normalizedEntry.aliases)) {
normalizedEntriesNameMap[alias] = normalizedEntry;
}
normalizedRelativeEntries.push(normalizedEntry);
});
normalizedRelativeEntries.forEach((entry) => {
if (entry.toMiddleware) {
const toMiddleware = normalizedEntriesNameMap[entry.toMiddleware];
if (toMiddleware === void 0) {
if (debug) {
return;
}
throw new Error(
`${entry.toMiddleware} is not found when adding ${getMiddlewareNameWithAliases(entry.name, entry.aliases)} middleware ${entry.relation} ${entry.toMiddleware}`
);
}
if (entry.relation === "after") {
toMiddleware.after.push(entry);
}
if (entry.relation === "before") {
toMiddleware.before.push(entry);
}
}
});
const mainChain = sort(normalizedAbsoluteEntries).map(expandRelativeMiddlewareList).reduce((wholeList, expandedMiddlewareList) => {
wholeList.push(...expandedMiddlewareList);
return wholeList;
}, []);
return mainChain;
}, "getMiddlewareList");
const stack = {
add: (middleware, options = {}) => {
const { name, override, aliases: _aliases } = options;
const entry = {
step: "initialize",
priority: "normal",
middleware,
...options
};
const aliases = getAllAliases(name, _aliases);
if (aliases.length > 0) {
if (aliases.some((alias) => entriesNameSet.has(alias))) {
if (!override)
throw new Error(`Duplicate middleware name '${getMiddlewareNameWithAliases(name, _aliases)}'`);
for (const alias of aliases) {
const toOverrideIndex = absoluteEntries.findIndex(
(entry2) => {
var _a;
return entry2.name === alias || ((_a = entry2.aliases) == null ? void 0 : _a.some((a) => a === alias));
}
);
if (toOverrideIndex === -1) {
continue;
}
const toOverride = absoluteEntries[toOverrideIndex];
if (toOverride.step !== entry.step || entry.priority !== toOverride.priority) {
throw new Error(
`"${getMiddlewareNameWithAliases(toOverride.name, toOverride.aliases)}" middleware with ${toOverride.priority} priority in ${toOverride.step} step cannot be overridden by "${getMiddlewareNameWithAliases(name, _aliases)}" middleware with ${entry.priority} priority in ${entry.step} step.`
);
}
absoluteEntries.splice(toOverrideIndex, 1);
}
}
for (const alias of aliases) {
entriesNameSet.add(alias);
}
}
absoluteEntries.push(entry);
},
addRelativeTo: (middleware, options) => {
const { name, override, aliases: _aliases } = options;
const entry = {
middleware,
...options
};
const aliases = getAllAliases(name, _aliases);
if (aliases.length > 0) {
if (aliases.some((alias) => entriesNameSet.has(alias))) {
if (!override)
throw new Error(`Duplicate middleware name '${getMiddlewareNameWithAliases(name, _aliases)}'`);
for (const alias of aliases) {
const toOverrideIndex = relativeEntries.findIndex(
(entry2) => {
var _a;
return entry2.name === alias || ((_a = entry2.aliases) == null ? void 0 : _a.some((a) => a === alias));
}
);
if (toOverrideIndex === -1) {
continue;
}
const toOverride = relativeEntries[toOverrideIndex];
if (toOverride.toMiddleware !== entry.toMiddleware || toOverride.relation !== entry.relation) {
throw new Error(
`"${getMiddlewareNameWithAliases(toOverride.name, toOverride.aliases)}" middleware ${toOverride.relation} "${toOverride.toMiddleware}" middleware cannot be overridden by "${getMiddlewareNameWithAliases(name, _aliases)}" middleware ${entry.relation} "${entry.toMiddleware}" middleware.`
);
}
relativeEntries.splice(toOverrideIndex, 1);
}
}
for (const alias of aliases) {
entriesNameSet.add(alias);
}
}
relativeEntries.push(entry);
},
clone: () => cloneTo(constructStack()),
use: (plugin) => {
plugin.applyToStack(stack);
},
remove: (toRemove) => {
if (typeof toRemove === "string")
return removeByName(toRemove);
else
return removeByReference(toRemove);
},
removeByTag: (toRemove) => {
let isRemoved = false;
const filterCb = /* @__PURE__ */ __name((entry) => {
const { tags, name, aliases: _aliases } = entry;
if (tags && tags.includes(toRemove)) {
const aliases = getAllAliases(name, _aliases);
for (const alias of aliases) {
entriesNameSet.delete(alias);
}
isRemoved = true;
return false;
}
return true;
}, "filterCb");
absoluteEntries = absoluteEntries.filter(filterCb);
relativeEntries = relativeEntries.filter(filterCb);
return isRemoved;
},
concat: (from) => {
var _a;
const cloned = cloneTo(constructStack());
cloned.use(from);
cloned.identifyOnResolve(
identifyOnResolve || cloned.identifyOnResolve() || (((_a = from.identifyOnResolve) == null ? void 0 : _a.call(from)) ?? false)
);
return cloned;
},
applyToStack: cloneTo,
identify: () => {
return getMiddlewareList(true).map((mw) => {
const step = mw.step ?? mw.relation + " " + mw.toMiddleware;
return getMiddlewareNameWithAliases(mw.name, mw.aliases) + " - " + step;
});
},
identifyOnResolve(toggle) {
if (typeof toggle === "boolean")
identifyOnResolve = toggle;
return identifyOnResolve;
},
resolve: (handler, context) => {
for (const middleware of getMiddlewareList().map((entry) => entry.middleware).reverse()) {
handler = middleware(handler, context);
}
if (identifyOnResolve) {
console.log(stack.identify());
}
return handler;
}
};
return stack;
}, "constructStack");
var stepWeights = {
initialize: 5,
serialize: 4,
build: 3,
finalizeRequest: 2,
deserialize: 1
};
var priorityWeights = {
high: 3,
normal: 2,
low: 1
};
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
constructStack
});

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getAwsChunkedEncodingStream = void 0;
const stream_1 = require("stream");
const getAwsChunkedEncodingStream = (readableStream, options) => {
const { base64Encoder, bodyLengthChecker, checksumAlgorithmFn, checksumLocationName, streamHasher } = options;
const checksumRequired = base64Encoder !== undefined &&
checksumAlgorithmFn !== undefined &&
checksumLocationName !== undefined &&
streamHasher !== undefined;
const digest = checksumRequired ? streamHasher(checksumAlgorithmFn, readableStream) : undefined;
const awsChunkedEncodingStream = new stream_1.Readable({ read: () => { } });
readableStream.on("data", (data) => {
const length = bodyLengthChecker(data) || 0;
awsChunkedEncodingStream.push(`${length.toString(16)}\r\n`);
awsChunkedEncodingStream.push(data);
awsChunkedEncodingStream.push("\r\n");
});
readableStream.on("end", async () => {
awsChunkedEncodingStream.push(`0\r\n`);
if (checksumRequired) {
const checksum = base64Encoder(await digest);
awsChunkedEncodingStream.push(`${checksumLocationName}:${checksum}\r\n`);
awsChunkedEncodingStream.push(`\r\n`);
}
awsChunkedEncodingStream.push(null);
});
return awsChunkedEncodingStream;
};
exports.getAwsChunkedEncodingStream = getAwsChunkedEncodingStream;

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var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __reExport = (target, mod, secondTarget) => (__copyProps(target, mod, "default"), secondTarget && __copyProps(secondTarget, mod, "default"));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
// src/index.ts
var src_exports = {};
__export(src_exports, {
Uint8ArrayBlobAdapter: () => Uint8ArrayBlobAdapter
});
module.exports = __toCommonJS(src_exports);
// src/blob/transforms.ts
var import_util_base64 = require("@smithy/util-base64");
var import_util_utf8 = require("@smithy/util-utf8");
function transformToString(payload, encoding = "utf-8") {
if (encoding === "base64") {
return (0, import_util_base64.toBase64)(payload);
}
return (0, import_util_utf8.toUtf8)(payload);
}
__name(transformToString, "transformToString");
function transformFromString(str, encoding) {
if (encoding === "base64") {
return Uint8ArrayBlobAdapter.mutate((0, import_util_base64.fromBase64)(str));
}
return Uint8ArrayBlobAdapter.mutate((0, import_util_utf8.fromUtf8)(str));
}
__name(transformFromString, "transformFromString");
// src/blob/Uint8ArrayBlobAdapter.ts
var _Uint8ArrayBlobAdapter = class _Uint8ArrayBlobAdapter extends Uint8Array {
/**
* @param source - such as a string or Stream.
* @returns a new Uint8ArrayBlobAdapter extending Uint8Array.
*/
static fromString(source, encoding = "utf-8") {
switch (typeof source) {
case "string":
return transformFromString(source, encoding);
default:
throw new Error(`Unsupported conversion from ${typeof source} to Uint8ArrayBlobAdapter.`);
}
}
/**
* @param source - Uint8Array to be mutated.
* @returns the same Uint8Array but with prototype switched to Uint8ArrayBlobAdapter.
*/
static mutate(source) {
Object.setPrototypeOf(source, _Uint8ArrayBlobAdapter.prototype);
return source;
}
/**
* @param encoding - default 'utf-8'.
* @returns the blob as string.
*/
transformToString(encoding = "utf-8") {
return transformToString(this, encoding);
}
};
__name(_Uint8ArrayBlobAdapter, "Uint8ArrayBlobAdapter");
var Uint8ArrayBlobAdapter = _Uint8ArrayBlobAdapter;
// src/index.ts
__reExport(src_exports, require("././getAwsChunkedEncodingStream"), module.exports);
__reExport(src_exports, require("././sdk-stream-mixin"), module.exports);
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
Uint8ArrayBlobAdapter,
getAwsChunkedEncodingStream,
sdkStreamMixin
});

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.sdkStreamMixin = void 0;
const node_http_handler_1 = require("@smithy/node-http-handler");
const util_buffer_from_1 = require("@smithy/util-buffer-from");
const stream_1 = require("stream");
const util_1 = require("util");
const ERR_MSG_STREAM_HAS_BEEN_TRANSFORMED = "The stream has already been transformed.";
const sdkStreamMixin = (stream) => {
var _a, _b;
if (!(stream instanceof stream_1.Readable)) {
const name = ((_b = (_a = stream === null || stream === void 0 ? void 0 : stream.__proto__) === null || _a === void 0 ? void 0 : _a.constructor) === null || _b === void 0 ? void 0 : _b.name) || stream;
throw new Error(`Unexpected stream implementation, expect Stream.Readable instance, got ${name}`);
}
let transformed = false;
const transformToByteArray = async () => {
if (transformed) {
throw new Error(ERR_MSG_STREAM_HAS_BEEN_TRANSFORMED);
}
transformed = true;
return await (0, node_http_handler_1.streamCollector)(stream);
};
return Object.assign(stream, {
transformToByteArray,
transformToString: async (encoding) => {
const buf = await transformToByteArray();
if (encoding === undefined || Buffer.isEncoding(encoding)) {
return (0, util_buffer_from_1.fromArrayBuffer)(buf.buffer, buf.byteOffset, buf.byteLength).toString(encoding);
}
else {
const decoder = new util_1.TextDecoder(encoding);
return decoder.decode(buf);
}
},
transformToWebStream: () => {
if (transformed) {
throw new Error(ERR_MSG_STREAM_HAS_BEEN_TRANSFORMED);
}
if (stream.readableFlowing !== null) {
throw new Error("The stream has been consumed by other callbacks.");
}
if (typeof stream_1.Readable.toWeb !== "function") {
throw new Error("Readable.toWeb() is not supported. Please make sure you are using Node.js >= 17.0.0, or polyfill is available.");
}
transformed = true;
return stream_1.Readable.toWeb(stream);
},
});
};
exports.sdkStreamMixin = sdkStreamMixin;

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var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
// If the importer is in node compatibility mode or this is not an ESM
// file that has been converted to a CommonJS file using a Babel-
// compatible transform (i.e. "__esModule" has not been set), then set
// "default" to the CommonJS "module.exports" for node compatibility.
isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
// src/index.ts
var src_exports = {};
__export(src_exports, {
DEFAULT_REQUEST_TIMEOUT: () => DEFAULT_REQUEST_TIMEOUT,
NodeHttp2Handler: () => NodeHttp2Handler,
NodeHttpHandler: () => NodeHttpHandler,
streamCollector: () => streamCollector
});
module.exports = __toCommonJS(src_exports);
// src/node-http-handler.ts
var import_protocol_http = require("@smithy/protocol-http");
var import_querystring_builder = require("@smithy/querystring-builder");
var import_http = require("http");
var import_https = require("https");
// src/constants.ts
var NODEJS_TIMEOUT_ERROR_CODES = ["ECONNRESET", "EPIPE", "ETIMEDOUT"];
// src/get-transformed-headers.ts
var getTransformedHeaders = /* @__PURE__ */ __name((headers) => {
const transformedHeaders = {};
for (const name of Object.keys(headers)) {
const headerValues = headers[name];
transformedHeaders[name] = Array.isArray(headerValues) ? headerValues.join(",") : headerValues;
}
return transformedHeaders;
}, "getTransformedHeaders");
// src/set-connection-timeout.ts
var setConnectionTimeout = /* @__PURE__ */ __name((request, reject, timeoutInMs = 0) => {
if (!timeoutInMs) {
return;
}
const timeoutId = setTimeout(() => {
request.destroy();
reject(
Object.assign(new Error(`Socket timed out without establishing a connection within ${timeoutInMs} ms`), {
name: "TimeoutError"
})
);
}, timeoutInMs);
request.on("socket", (socket) => {
if (socket.connecting) {
socket.on("connect", () => {
clearTimeout(timeoutId);
});
} else {
clearTimeout(timeoutId);
}
});
}, "setConnectionTimeout");
// src/set-socket-keep-alive.ts
var setSocketKeepAlive = /* @__PURE__ */ __name((request, { keepAlive, keepAliveMsecs }) => {
if (keepAlive !== true) {
return;
}
request.on("socket", (socket) => {
socket.setKeepAlive(keepAlive, keepAliveMsecs || 0);
});
}, "setSocketKeepAlive");
// src/set-socket-timeout.ts
var setSocketTimeout = /* @__PURE__ */ __name((request, reject, timeoutInMs = 0) => {
request.setTimeout(timeoutInMs, () => {
request.destroy();
reject(Object.assign(new Error(`Connection timed out after ${timeoutInMs} ms`), { name: "TimeoutError" }));
});
}, "setSocketTimeout");
// src/write-request-body.ts
var import_stream = require("stream");
var MIN_WAIT_TIME = 1e3;
async function writeRequestBody(httpRequest, request, maxContinueTimeoutMs = MIN_WAIT_TIME) {
const headers = request.headers ?? {};
const expect = headers["Expect"] || headers["expect"];
let timeoutId = -1;
let hasError = false;
if (expect === "100-continue") {
await Promise.race([
new Promise((resolve) => {
timeoutId = Number(setTimeout(resolve, Math.max(MIN_WAIT_TIME, maxContinueTimeoutMs)));
}),
new Promise((resolve) => {
httpRequest.on("continue", () => {
clearTimeout(timeoutId);
resolve();
});
httpRequest.on("error", () => {
hasError = true;
clearTimeout(timeoutId);
resolve();
});
})
]);
}
if (!hasError) {
writeBody(httpRequest, request.body);
}
}
__name(writeRequestBody, "writeRequestBody");
function writeBody(httpRequest, body) {
if (body instanceof import_stream.Readable) {
body.pipe(httpRequest);
return;
}
if (body) {
if (Buffer.isBuffer(body) || typeof body === "string") {
httpRequest.end(body);
return;
}
const uint8 = body;
if (typeof uint8 === "object" && uint8.buffer && typeof uint8.byteOffset === "number" && typeof uint8.byteLength === "number") {
httpRequest.end(Buffer.from(uint8.buffer, uint8.byteOffset, uint8.byteLength));
return;
}
httpRequest.end(Buffer.from(body));
return;
}
httpRequest.end();
}
__name(writeBody, "writeBody");
// src/node-http-handler.ts
var DEFAULT_REQUEST_TIMEOUT = 0;
var _NodeHttpHandler = class _NodeHttpHandler {
constructor(options) {
this.socketWarningTimestamp = 0;
// Node http handler is hard-coded to http/1.1: https://github.com/nodejs/node/blob/ff5664b83b89c55e4ab5d5f60068fb457f1f5872/lib/_http_server.js#L286
this.metadata = { handlerProtocol: "http/1.1" };
this.configProvider = new Promise((resolve, reject) => {
if (typeof options === "function") {
options().then((_options) => {
resolve(this.resolveDefaultConfig(_options));
}).catch(reject);
} else {
resolve(this.resolveDefaultConfig(options));
}
});
}
/**
* @returns the input if it is an HttpHandler of any class,
* or instantiates a new instance of this handler.
*/
static create(instanceOrOptions) {
if (typeof (instanceOrOptions == null ? void 0 : instanceOrOptions.handle) === "function") {
return instanceOrOptions;
}
return new _NodeHttpHandler(instanceOrOptions);
}
/**
* @internal
*
* @param agent - http(s) agent in use by the NodeHttpHandler instance.
* @returns timestamp of last emitted warning.
*/
static checkSocketUsage(agent, socketWarningTimestamp) {
var _a, _b;
const { sockets, requests, maxSockets } = agent;
if (typeof maxSockets !== "number" || maxSockets === Infinity) {
return socketWarningTimestamp;
}
const interval = 15e3;
if (Date.now() - interval < socketWarningTimestamp) {
return socketWarningTimestamp;
}
if (sockets && requests) {
for (const origin in sockets) {
const socketsInUse = ((_a = sockets[origin]) == null ? void 0 : _a.length) ?? 0;
const requestsEnqueued = ((_b = requests[origin]) == null ? void 0 : _b.length) ?? 0;
if (socketsInUse >= maxSockets && requestsEnqueued >= 2 * maxSockets) {
console.warn(
"@smithy/node-http-handler:WARN",
`socket usage at capacity=${socketsInUse} and ${requestsEnqueued} additional requests are enqueued.`,
"See https://docs.aws.amazon.com/sdk-for-javascript/v3/developer-guide/node-configuring-maxsockets.html",
"or increase socketAcquisitionWarningTimeout=(millis) in the NodeHttpHandler config."
);
return Date.now();
}
}
}
return socketWarningTimestamp;
}
resolveDefaultConfig(options) {
const { requestTimeout, connectionTimeout, socketTimeout, httpAgent, httpsAgent } = options || {};
const keepAlive = true;
const maxSockets = 50;
return {
connectionTimeout,
requestTimeout: requestTimeout ?? socketTimeout,
httpAgent: (() => {
if (httpAgent instanceof import_http.Agent || typeof (httpAgent == null ? void 0 : httpAgent.destroy) === "function") {
return httpAgent;
}
return new import_http.Agent({ keepAlive, maxSockets, ...httpAgent });
})(),
httpsAgent: (() => {
if (httpsAgent instanceof import_https.Agent || typeof (httpsAgent == null ? void 0 : httpsAgent.destroy) === "function") {
return httpsAgent;
}
return new import_https.Agent({ keepAlive, maxSockets, ...httpsAgent });
})()
};
}
destroy() {
var _a, _b, _c, _d;
(_b = (_a = this.config) == null ? void 0 : _a.httpAgent) == null ? void 0 : _b.destroy();
(_d = (_c = this.config) == null ? void 0 : _c.httpsAgent) == null ? void 0 : _d.destroy();
}
async handle(request, { abortSignal } = {}) {
if (!this.config) {
this.config = await this.configProvider;
}
let socketCheckTimeoutId;
return new Promise((_resolve, _reject) => {
let writeRequestBodyPromise = void 0;
const resolve = /* @__PURE__ */ __name(async (arg) => {
await writeRequestBodyPromise;
clearTimeout(socketCheckTimeoutId);
_resolve(arg);
}, "resolve");
const reject = /* @__PURE__ */ __name(async (arg) => {
await writeRequestBodyPromise;
_reject(arg);
}, "reject");
if (!this.config) {
throw new Error("Node HTTP request handler config is not resolved");
}
if (abortSignal == null ? void 0 : abortSignal.aborted) {
const abortError = new Error("Request aborted");
abortError.name = "AbortError";
reject(abortError);
return;
}
const isSSL = request.protocol === "https:";
const agent = isSSL ? this.config.httpsAgent : this.config.httpAgent;
socketCheckTimeoutId = setTimeout(() => {
this.socketWarningTimestamp = _NodeHttpHandler.checkSocketUsage(agent, this.socketWarningTimestamp);
}, this.config.socketAcquisitionWarningTimeout ?? (this.config.requestTimeout ?? 2e3) + (this.config.connectionTimeout ?? 1e3));
const queryString = (0, import_querystring_builder.buildQueryString)(request.query || {});
let auth = void 0;
if (request.username != null || request.password != null) {
const username = request.username ?? "";
const password = request.password ?? "";
auth = `${username}:${password}`;
}
let path = request.path;
if (queryString) {
path += `?${queryString}`;
}
if (request.fragment) {
path += `#${request.fragment}`;
}
const nodeHttpsOptions = {
headers: request.headers,
host: request.hostname,
method: request.method,
path,
port: request.port,
agent,
auth
};
const requestFunc = isSSL ? import_https.request : import_http.request;
const req = requestFunc(nodeHttpsOptions, (res) => {
const httpResponse = new import_protocol_http.HttpResponse({
statusCode: res.statusCode || -1,
reason: res.statusMessage,
headers: getTransformedHeaders(res.headers),
body: res
});
resolve({ response: httpResponse });
});
req.on("error", (err) => {
if (NODEJS_TIMEOUT_ERROR_CODES.includes(err.code)) {
reject(Object.assign(err, { name: "TimeoutError" }));
} else {
reject(err);
}
});
setConnectionTimeout(req, reject, this.config.connectionTimeout);
setSocketTimeout(req, reject, this.config.requestTimeout);
if (abortSignal) {
abortSignal.onabort = () => {
req.abort();
const abortError = new Error("Request aborted");
abortError.name = "AbortError";
reject(abortError);
};
}
const httpAgent = nodeHttpsOptions.agent;
if (typeof httpAgent === "object" && "keepAlive" in httpAgent) {
setSocketKeepAlive(req, {
// @ts-expect-error keepAlive is not public on httpAgent.
keepAlive: httpAgent.keepAlive,
// @ts-expect-error keepAliveMsecs is not public on httpAgent.
keepAliveMsecs: httpAgent.keepAliveMsecs
});
}
writeRequestBodyPromise = writeRequestBody(req, request, this.config.requestTimeout).catch(_reject);
});
}
updateHttpClientConfig(key, value) {
this.config = void 0;
this.configProvider = this.configProvider.then((config) => {
return {
...config,
[key]: value
};
});
}
httpHandlerConfigs() {
return this.config ?? {};
}
};
__name(_NodeHttpHandler, "NodeHttpHandler");
var NodeHttpHandler = _NodeHttpHandler;
// src/node-http2-handler.ts
var import_http22 = require("http2");
// src/node-http2-connection-manager.ts
var import_http2 = __toESM(require("http2"));
// src/node-http2-connection-pool.ts
var _NodeHttp2ConnectionPool = class _NodeHttp2ConnectionPool {
constructor(sessions) {
this.sessions = [];
this.sessions = sessions ?? [];
}
poll() {
if (this.sessions.length > 0) {
return this.sessions.shift();
}
}
offerLast(session) {
this.sessions.push(session);
}
contains(session) {
return this.sessions.includes(session);
}
remove(session) {
this.sessions = this.sessions.filter((s) => s !== session);
}
[Symbol.iterator]() {
return this.sessions[Symbol.iterator]();
}
destroy(connection) {
for (const session of this.sessions) {
if (session === connection) {
if (!session.destroyed) {
session.destroy();
}
}
}
}
};
__name(_NodeHttp2ConnectionPool, "NodeHttp2ConnectionPool");
var NodeHttp2ConnectionPool = _NodeHttp2ConnectionPool;
// src/node-http2-connection-manager.ts
var _NodeHttp2ConnectionManager = class _NodeHttp2ConnectionManager {
constructor(config) {
this.sessionCache = /* @__PURE__ */ new Map();
this.config = config;
if (this.config.maxConcurrency && this.config.maxConcurrency <= 0) {
throw new RangeError("maxConcurrency must be greater than zero.");
}
}
lease(requestContext, connectionConfiguration) {
const url = this.getUrlString(requestContext);
const existingPool = this.sessionCache.get(url);
if (existingPool) {
const existingSession = existingPool.poll();
if (existingSession && !this.config.disableConcurrency) {
return existingSession;
}
}
const session = import_http2.default.connect(url);
if (this.config.maxConcurrency) {
session.settings({ maxConcurrentStreams: this.config.maxConcurrency }, (err) => {
if (err) {
throw new Error(
"Fail to set maxConcurrentStreams to " + this.config.maxConcurrency + "when creating new session for " + requestContext.destination.toString()
);
}
});
}
session.unref();
const destroySessionCb = /* @__PURE__ */ __name(() => {
session.destroy();
this.deleteSession(url, session);
}, "destroySessionCb");
session.on("goaway", destroySessionCb);
session.on("error", destroySessionCb);
session.on("frameError", destroySessionCb);
session.on("close", () => this.deleteSession(url, session));
if (connectionConfiguration.requestTimeout) {
session.setTimeout(connectionConfiguration.requestTimeout, destroySessionCb);
}
const connectionPool = this.sessionCache.get(url) || new NodeHttp2ConnectionPool();
connectionPool.offerLast(session);
this.sessionCache.set(url, connectionPool);
return session;
}
/**
* Delete a session from the connection pool.
* @param authority The authority of the session to delete.
* @param session The session to delete.
*/
deleteSession(authority, session) {
const existingConnectionPool = this.sessionCache.get(authority);
if (!existingConnectionPool) {
return;
}
if (!existingConnectionPool.contains(session)) {
return;
}
existingConnectionPool.remove(session);
this.sessionCache.set(authority, existingConnectionPool);
}
release(requestContext, session) {
var _a;
const cacheKey = this.getUrlString(requestContext);
(_a = this.sessionCache.get(cacheKey)) == null ? void 0 : _a.offerLast(session);
}
destroy() {
for (const [key, connectionPool] of this.sessionCache) {
for (const session of connectionPool) {
if (!session.destroyed) {
session.destroy();
}
connectionPool.remove(session);
}
this.sessionCache.delete(key);
}
}
setMaxConcurrentStreams(maxConcurrentStreams) {
if (this.config.maxConcurrency && this.config.maxConcurrency <= 0) {
throw new RangeError("maxConcurrentStreams must be greater than zero.");
}
this.config.maxConcurrency = maxConcurrentStreams;
}
setDisableConcurrentStreams(disableConcurrentStreams) {
this.config.disableConcurrency = disableConcurrentStreams;
}
getUrlString(request) {
return request.destination.toString();
}
};
__name(_NodeHttp2ConnectionManager, "NodeHttp2ConnectionManager");
var NodeHttp2ConnectionManager = _NodeHttp2ConnectionManager;
// src/node-http2-handler.ts
var _NodeHttp2Handler = class _NodeHttp2Handler {
constructor(options) {
this.metadata = { handlerProtocol: "h2" };
this.connectionManager = new NodeHttp2ConnectionManager({});
this.configProvider = new Promise((resolve, reject) => {
if (typeof options === "function") {
options().then((opts) => {
resolve(opts || {});
}).catch(reject);
} else {
resolve(options || {});
}
});
}
/**
* @returns the input if it is an HttpHandler of any class,
* or instantiates a new instance of this handler.
*/
static create(instanceOrOptions) {
if (typeof (instanceOrOptions == null ? void 0 : instanceOrOptions.handle) === "function") {
return instanceOrOptions;
}
return new _NodeHttp2Handler(instanceOrOptions);
}
destroy() {
this.connectionManager.destroy();
}
async handle(request, { abortSignal } = {}) {
if (!this.config) {
this.config = await this.configProvider;
this.connectionManager.setDisableConcurrentStreams(this.config.disableConcurrentStreams || false);
if (this.config.maxConcurrentStreams) {
this.connectionManager.setMaxConcurrentStreams(this.config.maxConcurrentStreams);
}
}
const { requestTimeout, disableConcurrentStreams } = this.config;
return new Promise((_resolve, _reject) => {
var _a;
let fulfilled = false;
let writeRequestBodyPromise = void 0;
const resolve = /* @__PURE__ */ __name(async (arg) => {
await writeRequestBodyPromise;
_resolve(arg);
}, "resolve");
const reject = /* @__PURE__ */ __name(async (arg) => {
await writeRequestBodyPromise;
_reject(arg);
}, "reject");
if (abortSignal == null ? void 0 : abortSignal.aborted) {
fulfilled = true;
const abortError = new Error("Request aborted");
abortError.name = "AbortError";
reject(abortError);
return;
}
const { hostname, method, port, protocol, query } = request;
let auth = "";
if (request.username != null || request.password != null) {
const username = request.username ?? "";
const password = request.password ?? "";
auth = `${username}:${password}@`;
}
const authority = `${protocol}//${auth}${hostname}${port ? `:${port}` : ""}`;
const requestContext = { destination: new URL(authority) };
const session = this.connectionManager.lease(requestContext, {
requestTimeout: (_a = this.config) == null ? void 0 : _a.sessionTimeout,
disableConcurrentStreams: disableConcurrentStreams || false
});
const rejectWithDestroy = /* @__PURE__ */ __name((err) => {
if (disableConcurrentStreams) {
this.destroySession(session);
}
fulfilled = true;
reject(err);
}, "rejectWithDestroy");
const queryString = (0, import_querystring_builder.buildQueryString)(query || {});
let path = request.path;
if (queryString) {
path += `?${queryString}`;
}
if (request.fragment) {
path += `#${request.fragment}`;
}
const req = session.request({
...request.headers,
[import_http22.constants.HTTP2_HEADER_PATH]: path,
[import_http22.constants.HTTP2_HEADER_METHOD]: method
});
session.ref();
req.on("response", (headers) => {
const httpResponse = new import_protocol_http.HttpResponse({
statusCode: headers[":status"] || -1,
headers: getTransformedHeaders(headers),
body: req
});
fulfilled = true;
resolve({ response: httpResponse });
if (disableConcurrentStreams) {
session.close();
this.connectionManager.deleteSession(authority, session);
}
});
if (requestTimeout) {
req.setTimeout(requestTimeout, () => {
req.close();
const timeoutError = new Error(`Stream timed out because of no activity for ${requestTimeout} ms`);
timeoutError.name = "TimeoutError";
rejectWithDestroy(timeoutError);
});
}
if (abortSignal) {
abortSignal.onabort = () => {
req.close();
const abortError = new Error("Request aborted");
abortError.name = "AbortError";
rejectWithDestroy(abortError);
};
}
req.on("frameError", (type, code, id) => {
rejectWithDestroy(new Error(`Frame type id ${type} in stream id ${id} has failed with code ${code}.`));
});
req.on("error", rejectWithDestroy);
req.on("aborted", () => {
rejectWithDestroy(
new Error(`HTTP/2 stream is abnormally aborted in mid-communication with result code ${req.rstCode}.`)
);
});
req.on("close", () => {
session.unref();
if (disableConcurrentStreams) {
session.destroy();
}
if (!fulfilled) {
rejectWithDestroy(new Error("Unexpected error: http2 request did not get a response"));
}
});
writeRequestBodyPromise = writeRequestBody(req, request, requestTimeout);
});
}
updateHttpClientConfig(key, value) {
this.config = void 0;
this.configProvider = this.configProvider.then((config) => {
return {
...config,
[key]: value
};
});
}
httpHandlerConfigs() {
return this.config ?? {};
}
/**
* Destroys a session.
* @param session The session to destroy.
*/
destroySession(session) {
if (!session.destroyed) {
session.destroy();
}
}
};
__name(_NodeHttp2Handler, "NodeHttp2Handler");
var NodeHttp2Handler = _NodeHttp2Handler;
// src/stream-collector/collector.ts
var _Collector = class _Collector extends import_stream.Writable {
constructor() {
super(...arguments);
this.bufferedBytes = [];
}
_write(chunk, encoding, callback) {
this.bufferedBytes.push(chunk);
callback();
}
};
__name(_Collector, "Collector");
var Collector = _Collector;
// src/stream-collector/index.ts
var streamCollector = /* @__PURE__ */ __name((stream) => new Promise((resolve, reject) => {
const collector = new Collector();
stream.pipe(collector);
stream.on("error", (err) => {
collector.end();
reject(err);
});
collector.on("error", reject);
collector.on("finish", function() {
const bytes = new Uint8Array(Buffer.concat(this.bufferedBytes));
resolve(bytes);
});
}), "streamCollector");
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
DEFAULT_REQUEST_TIMEOUT,
NodeHttpHandler,
NodeHttp2Handler,
streamCollector
});

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var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
// src/index.ts
var src_exports = {};
__export(src_exports, {
buildQueryString: () => buildQueryString
});
module.exports = __toCommonJS(src_exports);
var import_util_uri_escape = require("@smithy/util-uri-escape");
function buildQueryString(query) {
const parts = [];
for (let key of Object.keys(query).sort()) {
const value = query[key];
key = (0, import_util_uri_escape.escapeUri)(key);
if (Array.isArray(value)) {
for (let i = 0, iLen = value.length; i < iLen; i++) {
parts.push(`${key}=${(0, import_util_uri_escape.escapeUri)(value[i])}`);
}
} else {
let qsEntry = key;
if (value || typeof value === "string") {
qsEntry += `=${(0, import_util_uri_escape.escapeUri)(value)}`;
}
parts.push(qsEntry);
}
}
return parts.join("&");
}
__name(buildQueryString, "buildQueryString");
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
buildQueryString
});

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var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
// src/index.ts
var src_exports = {};
__export(src_exports, {
escapeUri: () => escapeUri,
escapeUriPath: () => escapeUriPath
});
module.exports = __toCommonJS(src_exports);
// src/escape-uri.ts
var escapeUri = /* @__PURE__ */ __name((uri) => (
// AWS percent-encodes some extra non-standard characters in a URI
encodeURIComponent(uri).replace(/[!'()*]/g, hexEncode)
), "escapeUri");
var hexEncode = /* @__PURE__ */ __name((c) => `%${c.charCodeAt(0).toString(16).toUpperCase()}`, "hexEncode");
// src/escape-uri-path.ts
var escapeUriPath = /* @__PURE__ */ __name((uri) => uri.split("/").map(escapeUri).join("/"), "escapeUriPath");
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
escapeUri,
escapeUriPath
});

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var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
// src/index.ts
var src_exports = {};
__export(src_exports, {
fromUtf8: () => fromUtf8,
toUint8Array: () => toUint8Array,
toUtf8: () => toUtf8
});
module.exports = __toCommonJS(src_exports);
// src/fromUtf8.ts
var import_util_buffer_from = require("@smithy/util-buffer-from");
var fromUtf8 = /* @__PURE__ */ __name((input) => {
const buf = (0, import_util_buffer_from.fromString)(input, "utf8");
return new Uint8Array(buf.buffer, buf.byteOffset, buf.byteLength / Uint8Array.BYTES_PER_ELEMENT);
}, "fromUtf8");
// src/toUint8Array.ts
var toUint8Array = /* @__PURE__ */ __name((data) => {
if (typeof data === "string") {
return fromUtf8(data);
}
if (ArrayBuffer.isView(data)) {
return new Uint8Array(data.buffer, data.byteOffset, data.byteLength / Uint8Array.BYTES_PER_ELEMENT);
}
return new Uint8Array(data);
}, "toUint8Array");
// src/toUtf8.ts
var toUtf8 = /* @__PURE__ */ __name((input) => {
if (typeof input === "string") {
return input;
}
if (typeof input !== "object" || typeof input.byteOffset !== "number" || typeof input.byteLength !== "number") {
throw new Error("@smithy/util-utf8: toUtf8 encoder function only accepts string | Uint8Array.");
}
return (0, import_util_buffer_from.fromArrayBuffer)(input.buffer, input.byteOffset, input.byteLength).toString("utf8");
}, "toUtf8");
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
fromUtf8,
toUint8Array,
toUtf8
});