/**
 * [[include:core/decorators/derive/README.md]]
 * @packageDocumentation
 * @module decorators/derive
 */

import { isFunction } from 'jodit/core/helpers/checker';

export function derive(...traits: Function[]) {
	return (target: Function): void => {
		const origin = target.prototype;

		for (let i = 0; i < traits.length; i++) {
			const trait = traits[i];
			const keys = Object.getOwnPropertyNames(trait.prototype);

			for (let j = 0; j < keys.length; j++) {
				const key = keys[j],
					method = Object.getOwnPropertyDescriptor(
						trait.prototype,
						key
					);

				const canDerive =
					method != null &&
					isFunction(method.value) &&
					!isFunction(origin[key]);

				if (canDerive) {
					Object.defineProperty(origin, key, {
						enumerable: true,
						configurable: true,
						writable: true,
						value: function (...args: unknown[]) {
							return method.value.call(this, ...args);
						}
					});
				}
			}
		}
	};
}