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node_modules/iconv-lite/lib/bom-handling.js

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+"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()
+}

node_modules/iconv-lite/lib/helpers/merge-exports.js

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+"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

node_modules/iconv-lite/lib/index.d.ts

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+/*---------------------------------------------------------------------------------------------
+ *  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`
+ *--------------------------------------------------------------------------------------------*/
+
+declare module 'iconv-lite' {
+	// Basic API
+	export function decode(buffer: Buffer | Uint8Array, encoding: string, options?: Options): string;
+
+	export function encode(content: string, encoding: string, options?: Options): Buffer;
+
+	export function encodingExists(encoding: string): boolean;
+
+	// Stream API
+	export function decodeStream(encoding: string, options?: Options): NodeJS.ReadWriteStream;
+
+	export function encodeStream(encoding: string, options?: Options): NodeJS.ReadWriteStream;
+
+	// Low-level stream APIs
+	export function getEncoder(encoding: string, options?: Options): EncoderStream;
+
+	export function getDecoder(encoding: string, options?: Options): DecoderStream;
+}
+
+export interface Options {
+    stripBOM?: boolean;
+    addBOM?: boolean;
+    defaultEncoding?: string;
+}
+
+export interface EncoderStream {
+	write(str: string): Buffer;
+	end(): Buffer | undefined;
+}
+
+export interface DecoderStream {
+	write(buf: Buffer): string;
+	end(): string | undefined;
+}

node_modules/iconv-lite/lib/index.js

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+"use strict"
+
+var Buffer = require("safer-buffer").Buffer
+
+var bomHandling = require("./bom-handling")
+var mergeModules = require("./helpers/merge-exports")
+var iconv = module.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
+iconv.encodings = null
+
+// Characters emitted in case of error.
+iconv.defaultCharUnicode = "<22>"
+iconv.defaultCharSingleByte = "?"
+
+// Public API.
+iconv.encode = function encode (str, encoding, options) {
+  str = "" + (str || "") // Ensure string.
+
+  var encoder = iconv.getEncoder(encoding, options)
+
+  var res = encoder.write(str)
+  var trail = encoder.end()
+
+  return (trail && trail.length > 0) ? Buffer.concat([res, trail]) : res
+}
+
+iconv.decode = function decode (buf, encoding, options) {
+  if (typeof buf === "string") {
+    if (!iconv.skipDecodeWarning) {
+      console.error("Iconv-lite warning: decode()-ing strings is deprecated. Refer to https://github.com/ashtuchkin/iconv-lite/wiki/Use-Buffers-when-decoding")
+      iconv.skipDecodeWarning = true
+    }
+
+    buf = Buffer.from("" + (buf || ""), "binary") // Ensure buffer.
+  }
+
+  var decoder = iconv.getDecoder(encoding, options)
+
+  var res = decoder.write(buf)
+  var trail = decoder.end()
+
+  return trail ? (res + trail) : res
+}
+
+iconv.encodingExists = function encodingExists (enc) {
+  try {
+    iconv.getCodec(enc)
+    return true
+  } catch (e) {
+    return false
+  }
+}
+
+// Legacy aliases to convert functions
+iconv.toEncoding = iconv.encode
+iconv.fromEncoding = iconv.decode
+
+// Search for a codec in iconv.encodings. Cache codec data in iconv._codecDataCache.
+iconv._codecDataCache = { __proto__: null }
+
+iconv.getCodec = function getCodec (encoding) {
+  if (!iconv.encodings) {
+    var raw = require("../encodings")
+    // TODO: In future versions when old nodejs support is removed can use object.assign
+    iconv.encodings = { __proto__: null } // Initialize as empty object.
+    mergeModules(iconv.encodings, raw)
+  }
+
+  // Canonicalize encoding name: strip all non-alphanumeric chars and appended year.
+  var enc = iconv._canonicalizeEncoding(encoding)
+
+  // Traverse iconv.encodings to find actual codec.
+  var codecOptions = {}
+  while (true) {
+    var codec = iconv._codecDataCache[enc]
+
+    if (codec) { return codec }
+
+    var codecDef = iconv.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, iconv)
+
+        iconv._codecDataCache[codecOptions.encodingName] = codec // Save it to be reused later.
+        return codec
+
+      default:
+        throw new Error("Encoding not recognized: '" + encoding + "' (searched as: '" + enc + "')")
+    }
+  }
+}
+
+iconv._canonicalizeEncoding = function (encoding) {
+  // Canonicalize encoding name: strip all non-alphanumeric chars and appended year.
+  return ("" + encoding).toLowerCase().replace(/:\d{4}$|[^0-9a-z]/g, "")
+}
+
+iconv.getEncoder = function getEncoder (encoding, options) {
+  var codec = iconv.getCodec(encoding)
+  var encoder = new codec.encoder(options, codec)
+
+  if (codec.bomAware && options && options.addBOM) { encoder = new bomHandling.PrependBOM(encoder, options) }
+
+  return encoder
+}
+
+iconv.getDecoder = function getDecoder (encoding, options) {
+  var codec = iconv.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'));
+iconv.enableStreamingAPI = function enableStreamingAPI (streamModule) {
+  if (iconv.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.
+  iconv.IconvLiteEncoderStream = streams.IconvLiteEncoderStream
+  iconv.IconvLiteDecoderStream = streams.IconvLiteDecoderStream
+
+  // Streaming API.
+  iconv.encodeStream = function encodeStream (encoding, options) {
+    return new iconv.IconvLiteEncoderStream(iconv.getEncoder(encoding, options), options)
+  }
+
+  iconv.decodeStream = function decodeStream (encoding, options) {
+    return new iconv.IconvLiteDecoderStream(iconv.getDecoder(encoding, options), options)
+  }
+
+  iconv.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) {
+  iconv.enableStreamingAPI(streamModule)
+} else {
+  // In rare cases where 'stream' module is not available by default, throw a helpful exception.
+  iconv.encodeStream = iconv.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.")
+}

node_modules/iconv-lite/lib/streams.js

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+"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
+  }
+}