vue-di-container/dist/reflection.js

Dependency injection container for Vue

import 'reflect-metadata';
export class Reflection {
    getParameterTypes(fun) {
        if (Reflect && Reflect.getMetadata) {
            return (Reflect.getMetadata('design:paramtypes', fun) || []);
        }
        return [];
    }
    getPropertyType(cls, propertyName) {
        if (Reflect && Reflect.getMetadata) {
            return Reflect.getMetadata('design:type', cls.prototype, propertyName);
        }
    }
}