1 | import Chance from 'chance';
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2 | import MersenneTwister from 'mersenne-twister';
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3 | import _ from 'lodash';
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4 |
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5 | function _defineProperty(obj, key, value) {
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6 | if (key in obj) {
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7 | Object.defineProperty(obj, key, {
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8 | value: value,
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9 | enumerable: true,
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10 | configurable: true,
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11 | writable: true
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12 | });
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13 | } else {
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14 | obj[key] = value;
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15 | }
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16 |
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17 | return obj;
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18 | }
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19 |
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20 | function ownKeys(object, enumerableOnly) {
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21 | var keys = Object.keys(object);
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22 |
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23 | if (Object.getOwnPropertySymbols) {
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24 | var symbols = Object.getOwnPropertySymbols(object);
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25 | if (enumerableOnly) symbols = symbols.filter(function (sym) {
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26 | return Object.getOwnPropertyDescriptor(object, sym).enumerable;
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27 | });
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28 | keys.push.apply(keys, symbols);
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29 | }
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30 |
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31 | return keys;
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32 | }
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33 |
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34 | function _objectSpread2(target) {
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35 | for (var i = 1; i < arguments.length; i++) {
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36 | var source = arguments[i] != null ? arguments[i] : {};
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37 |
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38 | if (i % 2) {
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39 | ownKeys(Object(source), true).forEach(function (key) {
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40 | _defineProperty(target, key, source[key]);
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41 | });
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42 | } else if (Object.getOwnPropertyDescriptors) {
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43 | Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
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44 | } else {
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45 | ownKeys(Object(source)).forEach(function (key) {
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46 | Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
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47 | });
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48 | }
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49 | }
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50 |
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51 | return target;
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52 | }
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53 |
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54 | const debug = require('debug')('any');
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55 |
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56 | const generator = new MersenneTwister();
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57 |
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58 | const seed = process.env.ANY_SEED || generator.random() * Math.pow(10, 13);
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59 | debug(`randomness seed: ${seed}`);
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60 |
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61 | function isPrimitive(value) {
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62 | return value !== Object(value);
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63 | }
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64 |
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65 | const chance = new Chance(seed);
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66 | const integer = options => chance.natural(!isPrimitive(options) ? options : undefined);
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67 | const float = options => chance.floating(!isPrimitive(options) ? options : undefined);
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68 | const string = options => chance.string(!isPrimitive(options) ? options : undefined);
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69 | const sentence = options => chance.sentence(!isPrimitive(options) ? options : undefined);
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70 | const paragraph = options => chance.paragraph(!isPrimitive(options) ? options : undefined);
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71 | const url = options => chance.url(!isPrimitive(options) ? options : undefined);
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72 | const boolean = options => chance.bool(!isPrimitive(options) ? options : undefined);
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73 | const email = options => chance.email(!isPrimitive(options) ? options : undefined);
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74 | const date = () => chance.date({
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75 | string: true
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76 | });
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77 | const fromList = list => chance.pickone(list);
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78 | const subList = (list, {
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79 | size
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80 | }) => chance.pickset(list, size);
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81 | function word(options = {}) {
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82 | return options.length ? chance.word(options) : chance.word(_objectSpread2({
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83 | syllables: 3
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84 | }, !isPrimitive(options) ? options : undefined));
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85 | }
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86 | const DEFAULT_SIZE_RANGE = {
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87 | max: 20,
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88 | min: 1
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89 | };
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90 |
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91 | function listOf(factory, options = {}) {
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92 | const listSize = options.size || integer(_objectSpread2(_objectSpread2({}, DEFAULT_SIZE_RANGE), options));
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93 |
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94 | if (options.uniqueOn) {
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95 | const uniqueValues = {};
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96 |
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97 | while (Object.keys(uniqueValues).length < listSize) {
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98 | const item = factory(Object.keys(uniqueValues).length);
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99 | uniqueValues[item[options.uniqueOn]] = item;
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100 | }
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101 |
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102 | return _.values(uniqueValues);
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103 | }
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104 |
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105 | const list = [];
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106 |
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107 | for (let i = 0; i < listSize; i += 1) {
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108 | list.push(factory(i));
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109 | }
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110 |
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111 | return list;
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112 | }
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113 |
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114 | function simpleObject () {
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115 | const object = {};
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116 | const size = integer(DEFAULT_SIZE_RANGE);
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117 |
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118 | for (let i = 0; i < size; i += 1) {
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119 | object[word()] = string();
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120 | }
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121 |
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122 | return object;
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123 | }
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124 |
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125 | function objectWithKeys (keys, options = {}) {
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126 | return keys.map((key, index) => options.factory ? [key, options.factory(key, index)] : [key, string()]).reduce((acc, [key, value]) => _objectSpread2(_objectSpread2({}, acc), {}, {
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127 | [key]: value
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128 | }), {});
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129 | }
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130 |
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131 | var index = {
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132 | string,
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133 | word,
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134 | sentence,
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135 | paragraph,
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136 | integer,
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137 | float,
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138 | boolean,
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139 | url,
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140 | email,
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141 | date,
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142 | simpleObject,
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143 | objectWithKeys,
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144 | listOf,
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145 | fromList,
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146 | subList
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147 | };
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148 |
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149 | export default index;
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150 |
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