| declare namespace prettyBytes { |
| interface Options { |
| /** |
| Include plus sign for positive numbers. If the difference is exactly zero a space character will be prepended instead for better alignment. |
| |
| @default false |
| */ |
| readonly signed?: boolean; |
| |
| /** |
| - If `false`: Output won't be localized. |
| - If `true`: Localize the output using the system/browser locale. |
| - If `string`: Expects a [BCP 47 language tag](https://en.wikipedia.org/wiki/IETF_language_tag) (For example: `en`, `de`, …) |
| - If `string[]`: Expects a list of [BCP 47 language tags](https://en.wikipedia.org/wiki/IETF_language_tag) (For example: `en`, `de`, …) |
| |
| __Note:__ Localization should generally work in browsers. Node.js needs to be [built](https://github.com/nodejs/node/wiki/Intl) with `full-icu` or `system-icu`. Alternatively, the [`full-icu`](https://github.com/unicode-org/full-icu-npm) module can be used to provide support at runtime. |
| |
| @default false |
| */ |
| readonly locale?: boolean | string | readonly string[]; |
| |
| /** |
| Format the number as [bits](https://en.wikipedia.org/wiki/Bit) instead of [bytes](https://en.wikipedia.org/wiki/Byte). This can be useful when, for example, referring to [bit rate](https://en.wikipedia.org/wiki/Bit_rate). |
| |
| @default false |
| |
| @example |
| ``` |
| import prettyBytes = require('pretty-bytes'); |
| |
| prettyBytes(1337, {bits: true}); |
| //=> '1.34 kbit' |
| ``` |
| */ |
| readonly bits?: boolean; |
| |
| /** |
| Format the number using the [Binary Prefix](https://en.wikipedia.org/wiki/Binary_prefix) instead of the [SI Prefix](https://en.wikipedia.org/wiki/SI_prefix). This can be useful for presenting memory amounts. However, this should not be used for presenting file sizes. |
| |
| @default false |
| |
| @example |
| ``` |
| import prettyBytes = require('pretty-bytes'); |
| |
| prettyBytes(1000, {binary: true}); |
| //=> '1000 bit' |
| |
| prettyBytes(1024, {binary: true}); |
| //=> '1 kiB' |
| ``` |
| */ |
| readonly binary?: boolean; |
| |
| /** |
| The minimum number of fraction digits to display. |
| |
| If neither `minimumFractionDigits` or `maximumFractionDigits` are set, the default behavior is to round to 3 significant digits. |
| |
| @default undefined |
| |
| ``` |
| import prettyBytes = require('pretty-bytes'); |
| |
| // Show the number with at least 3 fractional digits |
| prettyBytes(1900, {minimumFractionDigits: 3}); |
| //=> '1.900 kB' |
| |
| prettyBytes(1900); |
| //=> '1.9 kB' |
| ``` |
| */ |
| readonly minimumFractionDigits?: number; |
| |
| |
| /** |
| The maximum number of fraction digits to display. |
| |
| If neither `minimumFractionDigits` or `maximumFractionDigits` are set, the default behavior is to round to 3 significant digits. |
| |
| @default undefined |
| |
| ``` |
| import prettyBytes = require('pretty-bytes'); |
| |
| // Show the number with at most 1 fractional digit |
| prettyBytes(1920, {maximumFractionDigits: 1}); |
| //=> '1.9 kB' |
| |
| prettyBytes(1920); |
| //=> '1.92 kB' |
| ``` |
| */ |
| readonly maximumFractionDigits?: number; |
| } |
| } |
| |
| /** |
| Convert bytes to a human readable string: `1337` → `1.34 kB`. |
| |
| @param number - The number to format. |
| |
| @example |
| ``` |
| import prettyBytes = require('pretty-bytes'); |
| |
| prettyBytes(1337); |
| //=> '1.34 kB' |
| |
| prettyBytes(100); |
| //=> '100 B' |
| |
| // Display file size differences |
| prettyBytes(42, {signed: true}); |
| //=> '+42 B' |
| |
| // Localized output using German locale |
| prettyBytes(1337, {locale: 'de'}); |
| //=> '1,34 kB' |
| ``` |
| */ |
| declare function prettyBytes( |
| number: number, |
| options?: prettyBytes.Options |
| ): string; |
| |
| export = prettyBytes; |