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-rw-r--r--node_modules/iconv-lite/lib/index.js180
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diff --git a/node_modules/iconv-lite/lib/index.js b/node_modules/iconv-lite/lib/index.js
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+"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.");
+}