lib/src/util/support/mixin.ts

/**
 * Apply the given mixin classes to the given constructor.
 * @param derivedCtor
 * @param {array} baseCtors
 */
export function applyMixins(derivedCtor: FunctionConstructor, baseCtors: any[]): void {
    baseCtors.forEach(baseCtor => {
        Object.getOwnPropertyNames(baseCtor.prototype).forEach(name => {
            const desc = Object.getOwnPropertyDescriptor(baseCtor.prototype, name)
            if ( typeof desc !== 'undefined' ) {
                Object.defineProperty(derivedCtor.prototype, name, desc)
            }
        })
    })
}

/**
 * Base type for a constructor function.
 */
export type Constructor<T> = new (...args: any[]) => T