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Commit Description:
fix wrong merge
Commit Description:
fix wrong merge
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node_modules/es5-ext/string/random.js
| 38 lines
| 1.0 KiB
| application/javascript
| JavascriptLexer
|
r789 | "use strict"; | |||
var isValue = require("../object/is-value") | ||||
, toNaturalNumber = require("../number/to-pos-integer"); | ||||
var generated = Object.create(null), random = Math.random, uniqTryLimit = 100; | ||||
var getChunk = function () { return random().toString(36).slice(2); }; | ||||
var getString = function (/* length */) { | ||||
var str = getChunk(), length = arguments[0]; | ||||
if (!isValue(length)) return str; | ||||
while (str.length < length) str += getChunk(); | ||||
return str.slice(0, length); | ||||
}; | ||||
module.exports = function (/* options */) { | ||||
var options = Object(arguments[0]), length = options.length, isUnique = options.isUnique; | ||||
if (isValue(length)) length = toNaturalNumber(length); | ||||
var str = getString(length); | ||||
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; | ||||
}; | ||||