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README.md
filesize.js
filesize.js provides a simple way to get a human readable file size string from a number (float or integer) or string.
Optional settings
filesize()
accepts an optional descriptor Object as a second argument, so you can customize the output.
base
(number) Number base, default is 2
bits
(boolean) Enables bit
sizes, default is false
exponent
(number) Specifies the symbol via exponent, e.g. 2
is MB
for base 2, default is -1
fullform
(boolean) Enables full form of unit of measure, default is false
fullforms
(array) Array of full form overrides, default is []
output
(string) Output of function (array
, exponent
, object
, or string
), default is string
round
(number) Decimal place, default is 2
separator
(string) Decimal separator character, default is .
spacer
(string) Character between the result
and suffix
, default is " "
standard
(string) Standard unit of measure, can be iec
or jedec
, default is jedec
; can be overruled by base
symbols
(object) Dictionary of SI/JEDEC symbols to replace for localization, defaults to english if no match is found
suffixes (deprecated: use 'symbols')
(object) Dictionary of SI/JEDEC symbols to replace for localization, defaults to english if no match is found
unix
(boolean) Enables unix style human readable output, e.g ls -lh
, default is false
Examples
filesize(500); // "500 B"
filesize(500, {bits: true}); // "4 Kb"
filesize(265318, {base: 10}); // "265.32 kB"
filesize(265318); // "259.1 KB"
filesize(265318, {round: 0}); // "259 KB"
filesize(265318, {output: "array"}); // [259.1, "KB"]
filesize(265318, {output: "object"}); // {value: 259.1, suffix: "KB", symbol: "KB"}
filesize(1, {symbols: {B: "Б"}}); // "1 Б"
filesize(1024); // "1 KB"
filesize(1024, {exponent: 0}); // "1024 B"
filesize(1024, {output: "exponent"}); // 1
filesize(265318, {standard: "iec"}); // "259.1 KiB"
filesize(265318, {standard: "iec", fullform: true}); // "259.1 kibibytes"
filesize(12, {fullform: true, fullforms: ["байтов"]}); // "12 байтов"
filesize(265318, {separator: ","}); // "259,1 KB"
Partial Application
filesize.partial()
takes the second parameter of filesize()
and returns a new function with the configuration applied
upon execution. This can be used to reduce Object
creation if you call filesize()
without caching the descriptor
in lexical scope.
const size = filesize.partial({standard: "iec"});
size(265318); // "259.1 KiB"
How can I load filesize.js?
filesize.js supports AMD loaders (require.js, curl.js, etc.), node.js & npm (npm install filesize
), or using a script tag.
An ES6 version is bundled with an npm install, but requires you load it with the full path, e.g. require(path.join(__dirname, 'node_modules', 'filesize', 'lib', 'filesize.es6.js'))
.
License
Copyright (c) 2018 Jason Mulligan Licensed under the BSD-3 license.