@hgargg-0710/one/dist/src/object/classes.js

A tiny npm library purposed for providing beautiful solutions to frequent miniature (one-line/one-expression) tasks for various JS datatypes.

import { extendPrototype, propertyDescriptors, withoutProperties } from "./main.js";
/**
 * Returns a function that returns `new X(...args)`
 */
export const classWrapper = (X) => (...args) => new X(...args);
/**
 * Returns a method that returns `this[delegateProp][delegateMethodName](...delegateArgs)`
 */
export const delegateMethod = (delegatePropName) => (delegateMethodName) => function (...delegateArgs) {
    return this[delegatePropName][delegateMethodName](...delegateArgs);
};
/**
 * Returns a method that returns `this[delegatePropName][propName]`
 */
export const delegateProperty = (delegatePropName) => (propName) => function () {
    return this[delegatePropName][propName];
};
/**
 * Calls `extendPrototype` for each of the passed `Constructor`s `classes`,
 * that are removed their `.constructor` property from.
 *
 * Useful for multiple inheritance and mixin pattern
 */
export const mixin = (Extended, classes) => classes.forEach((ParentClass) => extendPrototype(Extended, withoutConstructor(propertyDescriptors(ParentClass.prototype))));
/**
 * Returns the copy of the given object with the `.constructor` property removed
 */
export const withoutConstructor = withoutProperties("constructor");
/**
 * Returns a function that returns `called[delegatePropName][delegateMethodName].call(called, ...delegateArgs)`
 */
export const calledDelegate = (delegatePropName) => (delegateMethodName) => (called, ...delegateArgs) => called[delegatePropName][delegateMethodName].call(called, ...delegateArgs);