dynatrace-cordova-outsystems-plugin/node_modules/whatwg-encoding/lib/whatwg-encoding.js

This plugin gives you the ability to use the Dynatrace instrumentation in your hybrid application (Cordova, Ionic, ..). It uses the Mobile Agent, the JavaScript Agent and the Javascript Bridge. The Mobile Agent will give you all device specific values con

"use strict";
const iconvLite = require("iconv-lite");
const supportedNames = require("./supported-names.json");
const labelsToNames = require("./labels-to-names.json");

const supportedNamesSet = new Set(supportedNames);

// https://encoding.spec.whatwg.org/#concept-encoding-get
exports.labelToName = label => {
  label = String(label).trim().toLowerCase();

  return labelsToNames[label] || null;
};

// https://encoding.spec.whatwg.org/#decode
exports.decode = (buffer, fallbackEncodingName) => {
  let encoding = fallbackEncodingName;
  if (!exports.isSupported(encoding)) {
    throw new RangeError(`"${encoding}" is not a supported encoding name`);
  }

  const bomEncoding = exports.getBOMEncoding(buffer);
  if (bomEncoding !== null) {
    encoding = bomEncoding;
  }

  // iconv-lite will strip BOMs for us, so no need to do the stuff the spec does

  return iconvLite.decode(buffer, encoding);
};

// https://github.com/whatwg/html/issues/1910#issuecomment-254017369
exports.getBOMEncoding = buffer => {
  if (buffer[0] === 0xFE && buffer[1] === 0xFF) {
    return "UTF-16BE";
  } else if (buffer[0] === 0xFF && buffer[1] === 0xFE) {
    return "UTF-16LE";
  } else if (buffer[0] === 0xEF && buffer[1] === 0xBB && buffer[2] === 0xBF) {
    return "UTF-8";
  }

  return null;
};

exports.isSupported = name => {
  return supportedNamesSet.has(String(name));
};