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127 lines
3.3 KiB
127 lines
3.3 KiB
declare namespace prettyBytes { |
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interface Options { |
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/** |
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Include plus sign for positive numbers. If the difference is exactly zero a space character will be prepended instead for better alignment. |
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@default false |
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*/ |
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readonly signed?: boolean; |
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/** |
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- If `false`: Output won't be localized. |
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- If `true`: Localize the output using the system/browser locale. |
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- If `string`: Expects a [BCP 47 language tag](https://en.wikipedia.org/wiki/IETF_language_tag) (For example: `en`, `de`, …) |
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- If `string[]`: Expects a list of [BCP 47 language tags](https://en.wikipedia.org/wiki/IETF_language_tag) (For example: `en`, `de`, …) |
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__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. |
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@default false |
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*/ |
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readonly locale?: boolean | string | readonly string[]; |
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/** |
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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). |
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@default false |
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@example |
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``` |
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import prettyBytes = require('pretty-bytes'); |
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prettyBytes(1337, {bits: true}); |
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//=> '1.34 kbit' |
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``` |
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*/ |
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readonly bits?: boolean; |
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/** |
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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. |
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@default false |
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@example |
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``` |
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import prettyBytes = require('pretty-bytes'); |
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prettyBytes(1000, {binary: true}); |
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//=> '1000 bit' |
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prettyBytes(1024, {binary: true}); |
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//=> '1 kiB' |
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``` |
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*/ |
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readonly binary?: boolean; |
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/** |
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The minimum number of fraction digits to display. |
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If neither `minimumFractionDigits` or `maximumFractionDigits` are set, the default behavior is to round to 3 significant digits. |
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@default undefined |
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``` |
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import prettyBytes = require('pretty-bytes'); |
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// Show the number with at least 3 fractional digits |
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prettyBytes(1900, {minimumFractionDigits: 3}); |
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//=> '1.900 kB' |
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prettyBytes(1900); |
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//=> '1.9 kB' |
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``` |
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*/ |
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readonly minimumFractionDigits?: number; |
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/** |
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The maximum number of fraction digits to display. |
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If neither `minimumFractionDigits` or `maximumFractionDigits` are set, the default behavior is to round to 3 significant digits. |
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@default undefined |
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``` |
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import prettyBytes = require('pretty-bytes'); |
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// Show the number with at most 1 fractional digit |
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prettyBytes(1920, {maximumFractionDigits: 1}); |
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//=> '1.9 kB' |
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prettyBytes(1920); |
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//=> '1.92 kB' |
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``` |
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*/ |
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readonly maximumFractionDigits?: number; |
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} |
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} |
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/** |
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Convert bytes to a human readable string: `1337` → `1.34 kB`. |
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@param number - The number to format. |
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@example |
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``` |
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import prettyBytes = require('pretty-bytes'); |
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prettyBytes(1337); |
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//=> '1.34 kB' |
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prettyBytes(100); |
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//=> '100 B' |
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// Display file size differences |
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prettyBytes(42, {signed: true}); |
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//=> '+42 B' |
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// Localized output using German locale |
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prettyBytes(1337, {locale: 'de'}); |
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//=> '1,34 kB' |
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``` |
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*/ |
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declare function prettyBytes( |
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number: number, |
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options?: prettyBytes.Options |
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): string; |
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export = prettyBytes;
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