dynatrace-cordova-outsystems-plugin/node_modules/domexception/lib/utils.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";

// Returns "Type(value) is Object" in ES terminology.
function isObject(value) {
  return typeof value === "object" && value !== null || typeof value === "function";
}

function getReferenceToBytes(bufferSource) {
  // Node.js' Buffer does not allow subclassing for now, so we can get away with a prototype object check for perf.
  if (Object.getPrototypeOf(bufferSource) === Buffer.prototype) {
    return bufferSource;
  }
  if (bufferSource instanceof ArrayBuffer) {
    return Buffer.from(bufferSource);
  }
  return Buffer.from(bufferSource.buffer, bufferSource.byteOffset, bufferSource.byteLength);
}

function getCopyToBytes(bufferSource) {
  return Buffer.from(getReferenceToBytes(bufferSource));
}

function mixin(target, source) {
  const keys = Object.getOwnPropertyNames(source);
  for (let i = 0; i < keys.length; ++i) {
    if (keys[i] in target) {
      continue;
    }

    Object.defineProperty(target, keys[i], Object.getOwnPropertyDescriptor(source, keys[i]));
  }
}

const wrapperSymbol = Symbol("wrapper");
const implSymbol = Symbol("impl");
const sameObjectCaches = Symbol("SameObject caches");

function getSameObject(wrapper, prop, creator) {
  if (!wrapper[sameObjectCaches]) {
    wrapper[sameObjectCaches] = Object.create(null);
  }

  if (prop in wrapper[sameObjectCaches]) {
    return wrapper[sameObjectCaches][prop];
  }

  wrapper[sameObjectCaches][prop] = creator();
  return wrapper[sameObjectCaches][prop];
}

function wrapperForImpl(impl) {
  return impl ? impl[wrapperSymbol] : null;
}

function implForWrapper(wrapper) {
  return wrapper ? wrapper[implSymbol] : null;
}

function tryWrapperForImpl(impl) {
  const wrapper = wrapperForImpl(impl);
  return wrapper ? wrapper : impl;
}

function tryImplForWrapper(wrapper) {
  const impl = implForWrapper(wrapper);
  return impl ? impl : wrapper;
}

const iterInternalSymbol = Symbol("internal");
const IteratorPrototype = Object.getPrototypeOf(Object.getPrototypeOf([][Symbol.iterator]()));

module.exports = exports = {
  isObject,
  getReferenceToBytes,
  getCopyToBytes,
  mixin,
  wrapperSymbol,
  implSymbol,
  getSameObject,
  wrapperForImpl,
  implForWrapper,
  tryWrapperForImpl,
  tryImplForWrapper,
  iterInternalSymbol,
  IteratorPrototype
};