riot/esm/dependencies/@riotjs/util/functions.js

Simple and elegant component-based UI library

/* Riot WIP, @license MIT */
import { isFunction } from './checks.js';

// does simply nothing
function noop() {
  return this
}

/**
 * Autobind the methods of a source object to itself
 * @param   {object} source - probably a riot tag instance
 * @param   {Array<string>} methods - list of the methods to autobind
 * @returns {object} the original object received
 */
function autobindMethods(source, methods) {
  methods.forEach((method) => {
    source[method] = source[method].bind(source);
  });

  return source
}

/**
 * Call the first argument received only if it's a function otherwise return it as it is
 * @param   {*} source - anything
 * @returns {*} anything
 */
function callOrAssign(source) {
  return isFunction(source)
    ? source.prototype && source.prototype.constructor
      ? new source()
      : source()
    : source
}

export { autobindMethods, callOrAssign, noop };