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- (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.cuid = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
- /**
- * cuid.js
- * Collision-resistant UID generator for browsers and node.
- * Sequential for fast db lookups and recency sorting.
- * Safe for element IDs and server-side lookups.
- *
- * Extracted from CLCTR
- *
- * Copyright (c) Eric Elliott 2012
- * MIT License
- */
- var fingerprint = require('./lib/fingerprint.js');
- var pad = require('./lib/pad.js');
- var getRandomValue = require('./lib/getRandomValue.js');
- var c = 0,
- blockSize = 4,
- base = 36,
- discreteValues = Math.pow(base, blockSize);
- function randomBlock () {
- return pad((getRandomValue() *
- discreteValues << 0)
- .toString(base), blockSize);
- }
- function safeCounter () {
- c = c < discreteValues ? c : 0;
- c++; // this is not subliminal
- return c - 1;
- }
- function cuid () {
- // Starting with a lowercase letter makes
- // it HTML element ID friendly.
- var letter = 'c', // hard-coded allows for sequential access
- // timestamp
- // warning: this exposes the exact date and time
- // that the uid was created.
- timestamp = (new Date().getTime()).toString(base),
- // Prevent same-machine collisions.
- counter = pad(safeCounter().toString(base), blockSize),
- // A few chars to generate distinct ids for different
- // clients (so different computers are far less
- // likely to generate the same id)
- print = fingerprint(),
- // Grab some more chars from Math.random()
- random = randomBlock() + randomBlock();
- return letter + timestamp + counter + print + random;
- }
- cuid.slug = function slug () {
- var date = new Date().getTime().toString(36),
- counter = safeCounter().toString(36).slice(-4),
- print = fingerprint().slice(0, 1) +
- fingerprint().slice(-1),
- random = randomBlock().slice(-2);
- return date.slice(-2) +
- counter + print + random;
- };
- cuid.isCuid = function isCuid (stringToCheck) {
- if (typeof stringToCheck !== 'string') return false;
- if (stringToCheck.startsWith('c')) return true;
- return false;
- };
- cuid.isSlug = function isSlug (stringToCheck) {
- if (typeof stringToCheck !== 'string') return false;
- var stringLength = stringToCheck.length;
- if (stringLength >= 7 && stringLength <= 10) return true;
- return false;
- };
- cuid.fingerprint = fingerprint;
- module.exports = cuid;
- },{"./lib/fingerprint.js":2,"./lib/getRandomValue.js":3,"./lib/pad.js":4}],2:[function(require,module,exports){
- var pad = require('./pad.js');
- var env = typeof window === 'object' ? window : self;
- var globalCount = Object.keys(env).length;
- var mimeTypesLength = navigator.mimeTypes ? navigator.mimeTypes.length : 0;
- var clientId = pad((mimeTypesLength +
- navigator.userAgent.length).toString(36) +
- globalCount.toString(36), 4);
- module.exports = function fingerprint () {
- return clientId;
- };
- },{"./pad.js":4}],3:[function(require,module,exports){
- var getRandomValue;
- var crypto = typeof window !== 'undefined' &&
- (window.crypto || window.msCrypto) ||
- typeof self !== 'undefined' &&
- self.crypto;
- if (crypto) {
- var lim = Math.pow(2, 32) - 1;
- getRandomValue = function () {
- return Math.abs(crypto.getRandomValues(new Uint32Array(1))[0] / lim);
- };
- } else {
- getRandomValue = Math.random;
- }
- module.exports = getRandomValue;
- },{}],4:[function(require,module,exports){
- module.exports = function pad (num, size) {
- var s = '000000000' + num;
- return s.substr(s.length - size);
- };
- },{}]},{},[1])(1)
- });
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