5 files changed, 477 insertions, 0 deletions
diff --git a/node_modules/iconv-lite/lib/bom-handling.js b/node_modules/iconv-lite/lib/bom-handling.js
new file mode 100644
index 0000000..a86a6b5
--- /dev/null
+++ b/node_modules/iconv-lite/lib/bom-handling.js
@@ -0,0 +1,48 @@
+"use strict"
+
+var BOMChar = "\uFEFF"
+
+exports.PrependBOM = PrependBOMWrapper
+function PrependBOMWrapper (encoder, options) {
+  this.encoder = encoder
+  this.addBOM = true
+}
+
+PrependBOMWrapper.prototype.write = function (str) {
+  if (this.addBOM) {
+    str = BOMChar + str
+    this.addBOM = false
+  }
+
+  return this.encoder.write(str)
+}
+
+PrependBOMWrapper.prototype.end = function () {
+  return this.encoder.end()
+}
+
+// ------------------------------------------------------------------------------
+
+exports.StripBOM = StripBOMWrapper
+function StripBOMWrapper (decoder, options) {
+  this.decoder = decoder
+  this.pass = false
+  this.options = options || {}
+}
+
+StripBOMWrapper.prototype.write = function (buf) {
+  var res = this.decoder.write(buf)
+  if (this.pass || !res) { return res }
+
+  if (res[0] === BOMChar) {
+    res = res.slice(1)
+    if (typeof this.options.stripBOM === "function") { this.options.stripBOM() }
+  }
+
+  this.pass = true
+  return res
+}
+
+StripBOMWrapper.prototype.end = function () {
+  return this.decoder.end()
+}
diff --git a/node_modules/iconv-lite/lib/helpers/merge-exports.js b/node_modules/iconv-lite/lib/helpers/merge-exports.js
new file mode 100644
index 0000000..e79e041
--- /dev/null
+++ b/node_modules/iconv-lite/lib/helpers/merge-exports.js
@@ -0,0 +1,13 @@
+"use strict"
+
+var hasOwn = typeof Object.hasOwn === "undefined" ? Function.call.bind(Object.prototype.hasOwnProperty) : Object.hasOwn
+
+function mergeModules (target, module) {
+  for (var key in module) {
+    if (hasOwn(module, key)) {
+      target[key] = module[key]
+    }
+  }
+}
+
+module.exports = mergeModules
diff --git a/node_modules/iconv-lite/lib/index.d.ts b/node_modules/iconv-lite/lib/index.d.ts
new file mode 100644
index 0000000..b11d99e
--- /dev/null
+++ b/node_modules/iconv-lite/lib/index.d.ts
@@ -0,0 +1,129 @@
+/* ---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License.
+ *  REQUIREMENT: This definition is dependent on the @types/node definition.
+ *  Install with `npm install @types/node --save-dev`
+ *-------------------------------------------------------------------------------------------- */
+
+/* ---------------------------------------------------------------------------------------------
+ * This file provides detailed typings for the public API of iconv-lite
+ *-------------------------------------------------------------------------------------------- */
+
+import type Stream = require("stream")
+import type { Encoding } from "../types/encodings"
+
+declare namespace iconv {
+  export interface DecodeOptions {
+    /**
+     * Strip the Byte Order Mark (BOM) from the input,
+     * when decoding, if the codec is BOM-aware. @default true
+     */
+    stripBOM?: boolean;
+    /** Override the default endianness for `UTF-16` and `UTF-32` decodings. */
+    defaultEncoding?: "utf16be" | "utf32be";
+  }
+
+  export interface EncodeOptions {
+    /**
+     * Add a Byte Order Mark (BOM) to the output, when encoding,
+     * if the codec is BOM-aware. @default false
+     */
+    addBOM?: boolean;
+    /** Override the default endianness for `UTF-32` encoding. */
+    defaultEncoding?: "utf32be";
+  }
+
+  export interface EncoderStream {
+    write(str: string): Buffer;
+    end(): Buffer | undefined;
+  }
+
+  export interface DecoderStream {
+    write(buf: Buffer): string;
+    end(): string | undefined;
+  }
+
+  export interface Codec {
+    encoder: new (options?: EncodeOptions, codec?: Codec) => EncoderStream;
+    decoder: new (options?: DecodeOptions, codec?: Codec) => DecoderStream;
+    bomAware?: boolean;
+    [key: string]: any;
+  }
+
+  /** Encodes a `string` into a `Buffer`, using the provided `encoding`. */
+  export function encode (content: string, encoding: Encoding, options?: EncodeOptions): Buffer
+
+  /** Decodes a `Buffer` into a `string`, using the provided `encoding`. */
+  export function decode (buffer: Buffer | Uint8Array, encoding: Encoding, options?: DecodeOptions): string
+
+  /** Checks if a given encoding is supported by `iconv-lite`. */
+  export function encodingExists (encoding: string): encoding is Encoding
+
+  /** Legacy alias for {@link iconv.encode}. */
+  export const toEncoding: typeof iconv.encode
+
+  /** Legacy alias for {@link iconv.decode}. */
+  export const fromEncoding: typeof iconv.decode
+
+  /** Creates a stream that decodes binary data from a given `encoding` into strings. */
+  export function decodeStream (encoding: Encoding, options?: DecodeOptions): NodeJS.ReadWriteStream
+
+  /** Creates a stream that encodes strings into binary data in a given `encoding`. */
+  export function encodeStream (encoding: Encoding, options?: EncodeOptions): NodeJS.ReadWriteStream
+
+  /**
+   * Explicitly enable Streaming API in browser environments by passing in:
+   * ```js
+   * require('stream')
+   * ```
+   * @example iconv.enableStreamingAPI(require('stream'));
+   */
+  export function enableStreamingAPI (stream_module: { Transform: typeof Stream.Transform }): void
+
+  /** Creates and returns a low-level encoder stream. */
+  export function getEncoder (encoding: Encoding, options?: EncodeOptions): EncoderStream
+
+  /** Creates and returns a low-level decoder stream. */
+  export function getDecoder (encoding: Encoding, options?: DecodeOptions): DecoderStream
+
+  /**
+   * Returns a codec object for the given `encoding`.
+   * @throws If the `encoding` is not recognized.
+   */
+  export function getCodec (encoding: Encoding): Codec
+
+  /** Strips all non-alphanumeric characters and appended year from `encoding`. */
+  export function _canonicalizeEncoding (encoding: Encoding): string
+
+  /** A cache of all loaded encoding definitions. */
+  export let encodings: Record<
+    Encoding,
+    | string
+    | {
+      type: string;
+      [key: string]: any;
+    }
+  > | null
+
+  /** A cache of initialized codec objects. */
+  export let _codecDataCache: Record<string, Codec>
+
+  /** The character used for untranslatable `Unicode` characters. @default "�" */
+  export let defaultCharUnicode: string
+
+  /** The character used for untranslatable `single-byte` characters. @default "?" */
+  export let defaultCharSingleByte: string
+
+  /**
+   * Skip deprecation warning when strings are used instead of Buffers during decoding.
+   * Note: {@link iconv.decode} converts the string to Buffer regardless.
+   */
+  export let skipDecodeWarning: boolean
+
+  /** @readonly Whether or not, Streaming API is enabled. */
+  export const supportsStreams: boolean
+
+  export type { iconv as Iconv, Encoding }
+}
+
+export = iconv
diff --git a/node_modules/iconv-lite/lib/index.js b/node_modules/iconv-lite/lib/index.js
new file mode 100644
index 0000000..bd5d6bc
--- /dev/null
+++ b/node_modules/iconv-lite/lib/index.js
@@ -0,0 +1,182 @@
+"use strict"
+
+var Buffer = require("safer-buffer").Buffer
+
+var bomHandling = require("./bom-handling")
+var mergeModules = require("./helpers/merge-exports")
+
+// All codecs and aliases are kept here, keyed by encoding name/alias.
+// They are lazy loaded in `iconv.getCodec` from `encodings/index.js`.
+// Cannot initialize with { __proto__: null } because Boolean({ __proto__: null }) === true
+module.exports.encodings = null
+
+// Characters emitted in case of error.
+module.exports.defaultCharUnicode = "�"
+module.exports.defaultCharSingleByte = "?"
+
+// Public API.
+module.exports.encode = function encode (str, encoding, options) {
+  str = "" + (str || "") // Ensure string.
+
+  var encoder = module.exports.getEncoder(encoding, options)
+
+  var res = encoder.write(str)
+  var trail = encoder.end()
+
+  return (trail && trail.length > 0) ? Buffer.concat([res, trail]) : res
+}
+
+module.exports.decode = function decode (buf, encoding, options) {
+  if (typeof buf === "string") {
+    if (!module.exports.skipDecodeWarning) {
+      console.error("Iconv-lite warning: decode()-ing strings is deprecated. Refer to https://github.com/ashtuchkin/iconv-lite/wiki/Use-Buffers-when-decoding")
+      module.exports.skipDecodeWarning = true
+    }
+
+    buf = Buffer.from("" + (buf || ""), "binary") // Ensure buffer.
+  }
+
+  var decoder = module.exports.getDecoder(encoding, options)
+
+  var res = decoder.write(buf)
+  var trail = decoder.end()
+
+  return trail ? (res + trail) : res
+}
+
+module.exports.encodingExists = function encodingExists (enc) {
+  try {
+    module.exports.getCodec(enc)
+    return true
+  } catch (e) {
+    return false
+  }
+}
+
+// Legacy aliases to convert functions
+module.exports.toEncoding = module.exports.encode
+module.exports.fromEncoding = module.exports.decode
+
+// Search for a codec in iconv.encodings. Cache codec data in iconv._codecDataCache.
+module.exports._codecDataCache = { __proto__: null }
+
+module.exports.getCodec = function getCodec (encoding) {
+  if (!module.exports.encodings) {
+    var raw = require("../encodings")
+    // TODO: In future versions when old nodejs support is removed can use object.assign
+    module.exports.encodings = { __proto__: null } // Initialize as empty object.
+    mergeModules(module.exports.encodings, raw)
+  }
+
+  // Canonicalize encoding name: strip all non-alphanumeric chars and appended year.
+  var enc = module.exports._canonicalizeEncoding(encoding)
+
+  // Traverse iconv.encodings to find actual codec.
+  var codecOptions = {}
+  while (true) {
+    var codec = module.exports._codecDataCache[enc]
+
+    if (codec) { return codec }
+
+    var codecDef = module.exports.encodings[enc]
+
+    switch (typeof codecDef) {
+      case "string": // Direct alias to other encoding.
+        enc = codecDef
+        break
+
+      case "object": // Alias with options. Can be layered.
+        for (var key in codecDef) { codecOptions[key] = codecDef[key] }
+
+        if (!codecOptions.encodingName) { codecOptions.encodingName = enc }
+
+        enc = codecDef.type
+        break
+
+      case "function": // Codec itself.
+        if (!codecOptions.encodingName) { codecOptions.encodingName = enc }
+
+        // The codec function must load all tables and return object with .encoder and .decoder methods.
+        // It'll be called only once (for each different options object).
+        //
+        codec = new codecDef(codecOptions, module.exports)
+
+        module.exports._codecDataCache[codecOptions.encodingName] = codec // Save it to be reused later.
+        return codec
+
+      default:
+        throw new Error("Encoding not recognized: '" + encoding + "' (searched as: '" + enc + "')")
+    }
+  }
+}
+
+module.exports._canonicalizeEncoding = function (encoding) {
+  // Canonicalize encoding name: strip all non-alphanumeric chars and appended year.
+  return ("" + encoding).toLowerCase().replace(/:\d{4}$|[^0-9a-z]/g, "")
+}
+
+module.exports.getEncoder = function getEncoder (encoding, options) {
+  var codec = module.exports.getCodec(encoding)
+  var encoder = new codec.encoder(options, codec)
+
+  if (codec.bomAware && options && options.addBOM) { encoder = new bomHandling.PrependBOM(encoder, options) }
+
+  return encoder
+}
+
+module.exports.getDecoder = function getDecoder (encoding, options) {
+  var codec = module.exports.getCodec(encoding)
+  var decoder = new codec.decoder(options, codec)
+
+  if (codec.bomAware && !(options && options.stripBOM === false)) { decoder = new bomHandling.StripBOM(decoder, options) }
+
+  return decoder
+}
+
+// Streaming API
+// NOTE: Streaming API naturally depends on 'stream' module from Node.js. Unfortunately in browser environments this module can add
+// up to 100Kb to the output bundle. To avoid unnecessary code bloat, we don't enable Streaming API in browser by default.
+// If you would like to enable it explicitly, please add the following code to your app:
+// > iconv.enableStreamingAPI(require('stream'));
+module.exports.enableStreamingAPI = function enableStreamingAPI (streamModule) {
+  if (module.exports.supportsStreams) { return }
+
+  // Dependency-inject stream module to create IconvLite stream classes.
+  var streams = require("./streams")(streamModule)
+
+  // Not public API yet, but expose the stream classes.
+  module.exports.IconvLiteEncoderStream = streams.IconvLiteEncoderStream
+  module.exports.IconvLiteDecoderStream = streams.IconvLiteDecoderStream
+
+  // Streaming API.
+  module.exports.encodeStream = function encodeStream (encoding, options) {
+    return new module.exports.IconvLiteEncoderStream(module.exports.getEncoder(encoding, options), options)
+  }
+
+  module.exports.decodeStream = function decodeStream (encoding, options) {
+    return new module.exports.IconvLiteDecoderStream(module.exports.getDecoder(encoding, options), options)
+  }
+
+  module.exports.supportsStreams = true
+}
+
+// Enable Streaming API automatically if 'stream' module is available and non-empty (the majority of environments).
+var streamModule
+try {
+  streamModule = require("stream")
+} catch (e) {}
+
+if (streamModule && streamModule.Transform) {
+  module.exports.enableStreamingAPI(streamModule)
+} else {
+  // In rare cases where 'stream' module is not available by default, throw a helpful exception.
+  module.exports.encodeStream = module.exports.decodeStream = function () {
+    throw new Error("iconv-lite Streaming API is not enabled. Use iconv.enableStreamingAPI(require('stream')); to enable it.")
+  }
+}
+
+// Some environments, such as browsers, may not load JavaScript files as UTF-8
+// eslint-disable-next-line no-constant-condition
+if ("Ā" !== "\u0100") {
+  console.error("iconv-lite warning: js files use non-utf8 encoding. See https://github.com/ashtuchkin/iconv-lite/wiki/Javascript-source-file-encodings for more info.")
+}
diff --git a/node_modules/iconv-lite/lib/streams.js b/node_modules/iconv-lite/lib/streams.js
new file mode 100644
index 0000000..ebfed8e
--- /dev/null
+++ b/node_modules/iconv-lite/lib/streams.js
@@ -0,0 +1,105 @@
+"use strict"
+
+var Buffer = require("safer-buffer").Buffer
+
+// NOTE: Due to 'stream' module being pretty large (~100Kb, significant in browser environments),
+// we opt to dependency-inject it instead of creating a hard dependency.
+module.exports = function (streamModule) {
+  var Transform = streamModule.Transform
+
+  // == Encoder stream =======================================================
+
+  function IconvLiteEncoderStream (conv, options) {
+    this.conv = conv
+    options = options || {}
+    options.decodeStrings = false // We accept only strings, so we don't need to decode them.
+    Transform.call(this, options)
+  }
+
+  IconvLiteEncoderStream.prototype = Object.create(Transform.prototype, {
+    constructor: { value: IconvLiteEncoderStream }
+  })
+
+  IconvLiteEncoderStream.prototype._transform = function (chunk, encoding, done) {
+    if (typeof chunk !== "string") {
+      return done(new Error("Iconv encoding stream needs strings as its input."))
+    }
+
+    try {
+      var res = this.conv.write(chunk)
+      if (res && res.length) this.push(res)
+      done()
+    } catch (e) {
+      done(e)
+    }
+  }
+
+  IconvLiteEncoderStream.prototype._flush = function (done) {
+    try {
+      var res = this.conv.end()
+      if (res && res.length) this.push(res)
+      done()
+    } catch (e) {
+      done(e)
+    }
+  }
+
+  IconvLiteEncoderStream.prototype.collect = function (cb) {
+    var chunks = []
+    this.on("error", cb)
+    this.on("data", function (chunk) { chunks.push(chunk) })
+    this.on("end", function () {
+      cb(null, Buffer.concat(chunks))
+    })
+    return this
+  }
+
+  // == Decoder stream =======================================================
+
+  function IconvLiteDecoderStream (conv, options) {
+    this.conv = conv
+    options = options || {}
+    options.encoding = this.encoding = "utf8" // We output strings.
+    Transform.call(this, options)
+  }
+
+  IconvLiteDecoderStream.prototype = Object.create(Transform.prototype, {
+    constructor: { value: IconvLiteDecoderStream }
+  })
+
+  IconvLiteDecoderStream.prototype._transform = function (chunk, encoding, done) {
+    if (!Buffer.isBuffer(chunk) && !(chunk instanceof Uint8Array)) { return done(new Error("Iconv decoding stream needs buffers as its input.")) }
+    try {
+      var res = this.conv.write(chunk)
+      if (res && res.length) this.push(res, this.encoding)
+      done()
+    } catch (e) {
+      done(e)
+    }
+  }
+
+  IconvLiteDecoderStream.prototype._flush = function (done) {
+    try {
+      var res = this.conv.end()
+      if (res && res.length) this.push(res, this.encoding)
+      done()
+    } catch (e) {
+      done(e)
+    }
+  }
+
+  IconvLiteDecoderStream.prototype.collect = function (cb) {
+    var res = ""
+    this.on("error", cb)
+    this.on("data", function (chunk) { res += chunk })
+    this.on("end", function () {
+      cb(null, res)
+    })
+    return this
+  }
+
+  return {
+    IconvLiteEncoderStream: IconvLiteEncoderStream,
+    IconvLiteDecoderStream: IconvLiteDecoderStream
+  }
+}