4 files changed, 382 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..1050872
--- /dev/null
+++ b/node_modules/iconv-lite/lib/bom-handling.js
@@ -0,0 +1,52 @@
+"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/index.d.ts b/node_modules/iconv-lite/lib/index.d.ts
new file mode 100644
index 0000000..99f200f
--- /dev/null
+++ b/node_modules/iconv-lite/lib/index.d.ts
@@ -0,0 +1,41 @@
+/*---------------------------------------------------------------------------------------------
+ *  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, 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;
+}
diff --git a/node_modules/iconv-lite/lib/index.js b/node_modules/iconv-lite/lib/index.js
new file mode 100644
index 0000000..657701c
--- /dev/null
+++ b/node_modules/iconv-lite/lib/index.js
@@ -0,0 +1,180 @@
+"use strict";
+
+var Buffer = require("safer-buffer").Buffer;
+
+var bomHandling = require("./bom-handling"),
+    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`.
+iconv.encodings = null;
+
+// Characters emitted in case of error.
+iconv.defaultCharUnicode = '�';
+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 = {};
+iconv.getCodec = function getCodec(encoding) {
+    if (!iconv.encodings)
+        iconv.encodings = require("../encodings"); // Lazy load all encoding definitions.
+    
+    // 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),
+        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),
+        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(stream_module) {
+    if (iconv.supportsStreams)
+        return;
+
+    // Dependency-inject stream module to create IconvLite stream classes.
+    var streams = require("./streams")(stream_module);
+
+    // 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 stream_module;
+try {
+    stream_module = require("stream");
+} catch (e) {}
+
+if (stream_module && stream_module.Transform) {
+    iconv.enableStreamingAPI(stream_module);
+
+} 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.");
+    };
+}
+
+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..a150648
--- /dev/null
+++ b/node_modules/iconv-lite/lib/streams.js
@@ -0,0 +1,109 @@
+"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(stream_module) {
+    var Transform = stream_module.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,
+    };
+};