all files / lib/ utils.js

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"use strict";
 
module.exports.mixin = function mixin(target, source) {
  const keys = Object.getOwnPropertyNames(source);
  for (let i = 0; i < keys.length; ++i) {
    Object.defineProperty(target, keys[i], Object.getOwnPropertyDescriptor(source, keys[i]));
  }
};
 
module.exports.wrapperSymbol = Symbol("wrapper");
module.exports.implSymbol = Symbol("impl");
 
module.exports.wrapperForImpl = function (impl) {
  return impl[module.exports.wrapperSymbol];
};
 
module.exports.implForWrapper = function (wrapper) {
  return wrapper[module.exports.implSymbol];
};