Add extracted source directory and README navigation

extracted-source/node_modules/@smithy/util-base64/dist-cjs/fromBase64.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.fromBase64 = void 0;
+const util_buffer_from_1 = require("@smithy/util-buffer-from");
+const BASE64_REGEX = /^[A-Za-z0-9+/]*={0,2}$/;
+const fromBase64 = (input) => {
+    if ((input.length * 3) % 4 !== 0) {
+        throw new TypeError(`Incorrect padding on base64 string.`);
+    }
+    if (!BASE64_REGEX.exec(input)) {
+        throw new TypeError(`Invalid base64 string.`);
+    }
+    const buffer = (0, util_buffer_from_1.fromString)(input, "base64");
+    return new Uint8Array(buffer.buffer, buffer.byteOffset, buffer.byteLength);
+};
+exports.fromBase64 = fromBase64;

extracted-source/node_modules/@smithy/util-base64/dist-cjs/index.js

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+var __defProp = Object.defineProperty;
+var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
+var __getOwnPropNames = Object.getOwnPropertyNames;
+var __hasOwnProp = Object.prototype.hasOwnProperty;
+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 = {};
+module.exports = __toCommonJS(src_exports);
+__reExport(src_exports, require("././fromBase64"), module.exports);
+__reExport(src_exports, require("././toBase64"), module.exports);
+// Annotate the CommonJS export names for ESM import in node:
+
+0 && (module.exports = {
+  fromBase64,
+  toBase64
+});
+

extracted-source/node_modules/@smithy/util-base64/dist-cjs/toBase64.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.toBase64 = void 0;
+const util_buffer_from_1 = require("@smithy/util-buffer-from");
+const util_utf8_1 = require("@smithy/util-utf8");
+const toBase64 = (_input) => {
+    let input;
+    if (typeof _input === "string") {
+        input = (0, util_utf8_1.fromUtf8)(_input);
+    }
+    else {
+        input = _input;
+    }
+    if (typeof input !== "object" || typeof input.byteOffset !== "number" || typeof input.byteLength !== "number") {
+        throw new Error("@smithy/util-base64: toBase64 encoder function only accepts string | Uint8Array.");
+    }
+    return (0, util_buffer_from_1.fromArrayBuffer)(input.buffer, input.byteOffset, input.byteLength).toString("base64");
+};
+exports.toBase64 = toBase64;

extracted-source/node_modules/@smithy/util-base64/node_modules/@smithy/util-utf8/dist-cjs/index.js

@@ -0,0 +1,65 @@
+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
+});
+