f-utility/lib/random-word.js

functional utilities

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.word = exports.wordSource = undefined;

var _katsuCurry = require("katsu-curry");

var _randomTake = require("./random-take");

var _array = require("./array");

// const trace = curry((a, b) => {
//   console.log(a, b)
//   return b
// })
var alphabet = "abcdefghijklmnopqrstuvwxyz".split("");

/**
 * generate a "word" of some known length
 * @function random.wordSource
 * @param {strings[]} source - which characters should be used?
 * @param {number} howLong - how many characters should be used?
 * @return {string} word
 * @public
 * @example
 * import {random} from 'f-utility'
 * const {wordSource} = random
 * const dna = wordSource([`g`, `a`, `t`, `c`])
 * dna(7) // `gattaca`
 */
var wordSource = exports.wordSource = (0, _katsuCurry.curry)(function (source, howLong) {
  return (0, _katsuCurry.pipe)((0, _randomTake.allot)(howLong),
  // trace(`...`),
  (0, _array.join)(""))(source);
});

/**
 * generate a "word" of some known length
 * @function random.word
 * @param {number} x - how many characters should be used?
 * @return {string} word
 * @public
 * @example
 * import {random} from 'f-utility'
 * const {word} = random
 * word(5) // `lrmbs`
 */
var word = exports.word = function word() {
  var x = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 5;
  return wordSource(alphabet, x);
};