utils.js•562 B
"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];
};