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Commit Description:
force log out when password change
Commit Description:
force log out when password change
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node_modules/ext/string/random.js
| 50 lines
| 1.4 KiB
| application/javascript
| JavascriptLexer
|
r789 | "use strict"; | |||
var isObject = require("type/object/is") | ||||
, ensureNaturalNumber = require("type/natural-number/ensure") | ||||
, ensureString = require("type/string/ensure"); | ||||
var generated = Object.create(null), random = Math.random, uniqTryLimit = 100; | ||||
var getChunk = function () { return random().toString(36).slice(2); }; | ||||
var getString = function (length, charset) { | ||||
var str; | ||||
if (charset) { | ||||
var charsetLength = charset.length; | ||||
str = ""; | ||||
for (var i = 0; i < length; ++i) { | ||||
str += charset.charAt(Math.floor(Math.random() * charsetLength)); | ||||
} | ||||
return str; | ||||
} | ||||
str = getChunk(); | ||||
if (length === null) return str; | ||||
while (str.length < length) str += getChunk(); | ||||
return str.slice(0, length); | ||||
}; | ||||
module.exports = function (/* options */) { | ||||
var options = arguments[0]; | ||||
if (!isObject(options)) options = {}; | ||||
var length = ensureNaturalNumber(options.length, { "default": 10 }) | ||||
, isUnique = options.isUnique | ||||
, charset = ensureString(options.charset, { isOptional: true }); | ||||
var str = getString(length, charset); | ||||
if (isUnique) { | ||||
var count = 0; | ||||
while (generated[str]) { | ||||
if (++count === uniqTryLimit) { | ||||
throw new Error( | ||||
"Cannot generate random string.\n" + | ||||
"String.random is not designed to effectively generate many short and " + | ||||
"unique random strings" | ||||
); | ||||
} | ||||
str = getString(length); | ||||
} | ||||
generated[str] = true; | ||||
} | ||||
return str; | ||||
}; | ||||