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hyperid
Advanced tools
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Uber-fast unique id generation, for Node.js and the browser. Here are the benchmarks:
crypto.randomUUID x 17,421,022 ops/sec ±1.05% (92 runs sampled)
hashids process.hrtime x 381,775 ops/sec ±0.22% (95 runs sampled)
hashids counter x 730,949 ops/sec ±0.23% (97 runs sampled)
shortid x 34,682 ops/sec ±3.82% (83 runs sampled)
crypto.random x 313,547 ops/sec ±2.88% (82 runs sampled)
nid x 1,365,624 ops/sec ±0.07% (96 runs sampled)
uuid.v4 x 1,313,028 ops/sec ±0.10% (97 runs sampled)
napiRsUuid.v4 x 536,390 ops/sec ±0.20% (96 runs sampled)
uuid.v1 x 1,999,272 ops/sec ±0.09% (98 runs sampled)
nanoid x 3,808,014 ops/sec ±0.33% (95 runs sampled)
hyperid - variable length x 20,197,843 ops/sec ±0.74% (94 runs sampled)
hyperid - fixed length x 18,894,869 ops/sec ±0.12% (95 runs sampled)
hyperid - fixed length, url safe x 20,158,778 ops/sec ±0.54% (94 runs sampled)
Note: Benchmark run with Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz and Node.js v16.3.0
As you can see the native crypto.randomUUID
is almost as fast as hyperid
on Node.js v16, but not on v14.
npm i hyperid --save
'use strict'
const hyperid = require('hyperid')
const instance = hyperid()
const id = instance()
console.log(id)
console.log(instance())
console.log(hyperid.decode(id))
console.log(hyperid.decode(instance()))
Returns a function to generate unique ids. The function can accept one of the following parameters:
fixedLength: Boolean
If fixedLength is true
the function will always generate an id
that is 33 characters in length, by default fixedLength
is false
.options: Object
If { fixedLength: true }
is passed in, the function will always generate an id
that is 33 characters in length, by default fixedLength
is false
.
If { urlSafe: true }
is passed in, the function will generate url safe ids according to RFC4648.
If { startFrom: <int> }
is passed in, the first counter will start from that
number, which must be between 0 and 2147483647. Fractions are discarded, only the
integer part matters.Returns an unique id.
The uuid used to generate the ids, it will change over time.
It is regenerated every Math.pow(2, 31) - 1
to keep the integer a SMI
(a V8 optimization).
Decode the unique id into its two components, a uuid
and a counter.
If you are generating url safe ids, you must pass { urlSafe: true }
as option.
It returns:
{
uuid: '049b7020-c787-41bf-a1d2-a97612c11418',
count: 1
}
This is aliased as instance.decode
.
MIT
FAQs
Uber-fast unique id generation, for Node.js and the browser
We found that hyperid demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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