1 export function applyMixins(derivedCtor: any, baseCtors: any[]) {
2 for (let i = 0, len = baseCtors.length; i < len; i++) {
3 const baseCtor = baseCtors[i];
4 const propertyKeys = Object.getOwnPropertyNames(baseCtor.prototype);
5 for (let j = 0, len2 = propertyKeys.length; j < len2; j++) {
6 const name = propertyKeys[j];
7 derivedCtor.prototype[name] = baseCtor.prototype[name];