| "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]; |
| }; |
| |