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Diffstat (limited to 'node_modules/uid-safe/index.js')
| -rw-r--r-- | node_modules/uid-safe/index.js | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/node_modules/uid-safe/index.js b/node_modules/uid-safe/index.js deleted file mode 100644 index 9bef704..0000000 --- a/node_modules/uid-safe/index.js +++ /dev/null @@ -1,96 +0,0 @@ -/*! - * uid-safe - * Copyright(c) 2014 Jonathan Ong - * Copyright(c) 2015-2016 Douglas Christopher Wilson - * MIT Licensed - */ - -'use strict' - -/** - * Module dependencies. - * @private - */ - -var escape = require('base64-url').escape -var randomBytes = require('random-bytes') - -/** - * Module exports. - * @public - */ - -module.exports = uid -module.exports.sync = uidSync - -/** - * Create a unique ID. - * - * @param {number} length - * @param {function} [callback] - * @return {Promise} - * @public - */ - -function uid(length, callback) { - // validate callback is a function, if provided - if (callback !== undefined && typeof callback !== 'function') { - throw new TypeError('argument callback must be a function') - } - - // require the callback without promises - if (!callback && !global.Promise) { - throw new TypeError('argument callback is required') - } - - if (callback) { - // classic callback style - return generateUid(length, callback) - } - - return new Promise(function executor(resolve, reject) { - generateUid(length, function onUid(err, str) { - if (err) return reject(err) - resolve(str) - }) - }) -} - -/** - * Create a unique ID sync. - * - * @param {number} length - * @return {string} - * @public - */ - -function uidSync(length) { - return toString(randomBytes.sync(length)) -} - -/** - * Generate a unique ID string. - * - * @param {number} length - * @param {function} callback - * @private - */ - -function generateUid(length, callback) { - randomBytes(length, function (err, buf) { - if (err) return callback(err) - callback(null, toString(buf)) - }) -} - -/** - * Change a Buffer into a string. - * - * @param {Buffer} buf - * @return {string} - * @private - */ - -function toString(buf) { - return escape(buf.toString('base64')) -} |
