ramda.frompairs/fromPairs.js

R.fromPairs exported as a module

//  Ramda v0.26.1
//  https://github.com/ramda/ramda
//  (c) 2013-2019 Scott Sauyet, Michael Hurley, and David Chambers
//  Ramda may be freely distributed under the MIT license.

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
  typeof define === 'function' && define.amd ? define(['exports'], factory) :
  (factory((global.R = {})));
}(this, (function (exports) { 'use strict';

  function _isPlaceholder(a) {
    return a != null &&
           typeof a === 'object' &&
           a['@@functional/placeholder'] === true;
  }

  /**
   * Optimized internal one-arity curry function.
   *
   * @private
   * @category Function
   * @param {Function} fn The function to curry.
   * @return {Function} The curried function.
   */
  function _curry1(fn) {
    return function f1(a) {
      if (arguments.length === 0 || _isPlaceholder(a)) {
        return f1;
      } else {
        return fn.apply(this, arguments);
      }
    };
  }

  /**
   * Creates a new object from a list key-value pairs. If a key appears in
   * multiple pairs, the rightmost pair is included in the object.
   *
   * @func
   * @memberOf R
   * @since v0.3.0
   * @category List
   * @sig [[k,v]] -> {k: v}
   * @param {Array} pairs An array of two-element arrays that will be the keys and values of the output object.
   * @return {Object} The object made by pairing up `keys` and `values`.
   * @see R.toPairs, R.pair
   * @example
   *
   *      R.fromPairs([['a', 1], ['b', 2], ['c', 3]]); //=> {a: 1, b: 2, c: 3}
   */
  var fromPairs = _curry1(function fromPairs(pairs) {
    var result = {};
    var idx = 0;
    while (idx < pairs.length) {
      result[pairs[idx][0]] = pairs[idx][1];
      idx += 1;
    }
    return result;
  });

  exports.fromPairs = fromPairs;

  Object.defineProperty(exports, '__esModule', { value: true });

})));