redux/lib/utils/compose.js

Predictable state container for JavaScript apps

/**
 * Composes single-argument functions from right to left.
 *
 * @param {...Function} funcs The functions to compose.
 * @returns {Function} A function obtained by composing functions from right to
 * left. For example, compose(f, g, h) is identical to x => h(g(f(x))).
 */
"use strict";

exports.__esModule = true;
exports["default"] = compose;

function compose() {
  for (var _len = arguments.length, funcs = Array(_len), _key = 0; _key < _len; _key++) {
    funcs[_key] = arguments[_key];
  }

  return function (arg) {
    return funcs.reduceRight(function (composed, f) {
      return f(composed);
    }, arg);
  };
}

module.exports = exports["default"];