site/node_modules/pretty-bytes/index.d.ts

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2024-10-14 06:09:33 +00:00
export type 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`, …)
@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 from '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 from '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
@example
```
import prettyBytes from '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
@example
```
import prettyBytes from '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;
/**
Put a space between the number and unit.
@default true
@example
```
import prettyBytes from 'pretty-bytes';
prettyBytes(1920, {space: false});
//=> '1.9kB'
prettyBytes(1920);
//=> '1.92 kB'
```
*/
readonly space?: boolean;
};
/**
Convert bytes to a human readable string: `1337` `1.34 kB`.
@param number - The number to format.
@example
```
import prettyBytes from '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'
```
*/
export default function prettyBytes(
number: number,
options?: Options
): string;