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bytes2
Advanced tools
Readme
_______ ___ ___ _______ _______ _______ _______
| _ | Y | | _ | _ | |
|. 1 | 1 |.| | |. 1___| 1___|___| |
|. _ \\_ _/`-|. |-|. __)_|____ |/ ___/
|: 1 \|: | |: | |: 1 |: 1 |: 1 \
|::.. . /|::.| |::.| |::.. . |::.. . |::.. . |
`-------' `---' `---' `-------`-------`-------'
Convert bytes to another unit of information.
Note Implementation based on this wikipedia article.
Note Some related modules:
npm install bytes2
Require the module:
var bytes2 = require('bytes2');
Convert 1000
bytes to KB
:
var value = bytes2('KB', 1000)
console.log(value) // 1
Convert 1000
bytes to KiB
:
var value = bytes2('KiB', 1000)
console.log(value) // 0.9765625
Convert 1000
bytes to KiB
, showing only 2 decimal places:
var value = bytes2('KiB', 1000, { decimals: 2 })
console.log(value) // 0.98
Convert 1000
bytes to KiB
, prepending the units:
var value = bytes2('KiB', 1000, { prepend: true })
console.log(value) // '0.9765625 KiB'
Convert 1000
bytes to jedecKB
, prepending the units:
var value = bytes2('jedecKB', 1000, { prepend: true })
console.log(value) // '0.9765625 KB'
Convert 1000
bytes to KiB
, showing only 3 decimal places, prepending the units and using '-'
as the seperator:
var value = bytes2('KiB', 1000, {
decimals: 3,
prepend: true,
seperator: '-',
})
console.log(value) // '0.977-KiB'
Returns bytes
in to
units of information.
Option | Type | Default | Explanation |
---|---|---|---|
to | String | none | See table below |
bytes | Number | none | Integer number of bytes to convert |
opts | Object | see below | Options object, specify what you need the defaults will be filled in |
opts.decimals | Number | all decimal places | The number of decimal places to round the result to |
opts.prepend | String | false | Prepend the units and return a string |
opts.seperator | String | ' ' | Specify what seperator to use with the prepend option |
Base-10, decimal, SI and metric:
to | Number of bytes |
---|---|
kB | 1000 |
MB | 1000000 (1000^2) |
GB | 1000000000 (1024^3) |
TB | 1000000000000 (1024^4) |
PB | 1000000000000000 (1024^5) |
EB | 1000000000000000000 (1024^6) |
Base-2, binary and IEC
to | Number of bytes |
---|---|
KiB | 1024 |
MiB | 1048576 (1024^2) |
GiB | 1073741824 (1024^3) |
TiB | 1099511627776 (1024^4) |
PiB | 1125899906842624 (1024^5) |
EiB | 1152921504606847000 (1024^6) |
JEDEC
Note JEDEC options works basically the same as the base-2 ones, except
that if you use the prepend
option, it will, for example, correctly add
'KB' and not 'KiB'.
to | Number of bytes |
---|---|
jedecKB | 1024 |
jedecMB | 1048576 (1024^2) |
jedecGB | 1073741824 (1024^3) |
Using Mocha:
npm install
npm test
Just send a PR, or create an issue if you are not sure.
Areas ripe for contribution:
MIT
FAQs
Convert bytes to base-2 or base-10 units
The npm package bytes2 receives a total of 4 weekly downloads. As such, bytes2 popularity was classified as not popular.
We found that bytes2 demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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