add some packages

node_modules/randomatic/index.js

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+/*!
+ * randomatic <https://github.com/jonschlinkert/randomatic>
+ *
+ * Copyright (c) 2014-2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+var isNumber = require('is-number');
+var typeOf = require('kind-of');
+
+/**
+ * Expose `randomatic`
+ */
+
+module.exports = randomatic;
+
+/**
+ * Available mask characters
+ */
+
+var type = {
+  lower: 'abcdefghijklmnopqrstuvwxyz',
+  upper: 'ABCDEFGHIJKLMNOPQRSTUVWXYZ',
+  number: '0123456789',
+  special: '~!@#$%^&()_+-={}[];\',.'
+};
+
+type.all = type.lower + type.upper + type.number + type.special;
+
+/**
+ * Generate random character sequences of a specified `length`,
+ * based on the given `pattern`.
+ *
+ * @param {String} `pattern` The pattern to use for generating the random string.
+ * @param {String} `length` The length of the string to generate.
+ * @param {String} `options`
+ * @return {String}
+ * @api public
+ */
+
+function randomatic(pattern, length, options) {
+  if (typeof pattern === 'undefined') {
+    throw new Error('randomatic expects a string or number.');
+  }
+
+  var custom = false;
+  if (arguments.length === 1) {
+    if (typeof pattern === 'string') {
+      length = pattern.length;
+
+    } else if (isNumber(pattern)) {
+      options = {}; length = pattern; pattern = '*';
+    }
+  }
+
+  if (typeOf(length) === 'object' && length.hasOwnProperty('chars')) {
+    options = length;
+    pattern = options.chars;
+    length = pattern.length;
+    custom = true;
+  }
+
+  var opts = options || {};
+  var mask = '';
+  var res = '';
+
+  // Characters to be used
+  if (pattern.indexOf('?') !== -1) mask += opts.chars;
+  if (pattern.indexOf('a') !== -1) mask += type.lower;
+  if (pattern.indexOf('A') !== -1) mask += type.upper;
+  if (pattern.indexOf('0') !== -1) mask += type.number;
+  if (pattern.indexOf('!') !== -1) mask += type.special;
+  if (pattern.indexOf('*') !== -1) mask += type.all;
+  if (custom) mask += pattern;
+
+  while (length--) {
+    res += mask.charAt(parseInt(Math.random() * mask.length, 10));
+  }
+  return res;
+};