1 | declare namespace prettyBytes {
|
---|
2 | interface Options {
|
---|
3 | /**
|
---|
4 | Include plus sign for positive numbers. If the difference is exactly zero a space character will be prepended instead for better alignment.
|
---|
5 |
|
---|
6 | @default false
|
---|
7 | */
|
---|
8 | readonly signed?: boolean;
|
---|
9 |
|
---|
10 | /**
|
---|
11 | - If `false`: Output won't be localized.
|
---|
12 | - If `true`: Localize the output using the system/browser locale.
|
---|
13 | - If `string`: Expects a [BCP 47 language tag](https://en.wikipedia.org/wiki/IETF_language_tag) (For example: `en`, `de`, …)
|
---|
14 | - If `string[]`: Expects a list of [BCP 47 language tags](https://en.wikipedia.org/wiki/IETF_language_tag) (For example: `en`, `de`, …)
|
---|
15 |
|
---|
16 | __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.
|
---|
17 |
|
---|
18 | @default false
|
---|
19 | */
|
---|
20 | readonly locale?: boolean | string | readonly string[];
|
---|
21 |
|
---|
22 | /**
|
---|
23 | 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).
|
---|
24 |
|
---|
25 | @default false
|
---|
26 |
|
---|
27 | @example
|
---|
28 | ```
|
---|
29 | import prettyBytes = require('pretty-bytes');
|
---|
30 |
|
---|
31 | prettyBytes(1337, {bits: true});
|
---|
32 | //=> '1.34 kbit'
|
---|
33 | ```
|
---|
34 | */
|
---|
35 | readonly bits?: boolean;
|
---|
36 |
|
---|
37 | /**
|
---|
38 | 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.
|
---|
39 |
|
---|
40 | @default false
|
---|
41 |
|
---|
42 | @example
|
---|
43 | ```
|
---|
44 | import prettyBytes = require('pretty-bytes');
|
---|
45 |
|
---|
46 | prettyBytes(1000, {binary: true});
|
---|
47 | //=> '1000 bit'
|
---|
48 |
|
---|
49 | prettyBytes(1024, {binary: true});
|
---|
50 | //=> '1 kiB'
|
---|
51 | ```
|
---|
52 | */
|
---|
53 | readonly binary?: boolean;
|
---|
54 |
|
---|
55 | /**
|
---|
56 | The minimum number of fraction digits to display.
|
---|
57 |
|
---|
58 | If neither `minimumFractionDigits` or `maximumFractionDigits` are set, the default behavior is to round to 3 significant digits.
|
---|
59 |
|
---|
60 | @default undefined
|
---|
61 |
|
---|
62 | ```
|
---|
63 | import prettyBytes = require('pretty-bytes');
|
---|
64 |
|
---|
65 | // Show the number with at least 3 fractional digits
|
---|
66 | prettyBytes(1900, {minimumFractionDigits: 3});
|
---|
67 | //=> '1.900 kB'
|
---|
68 |
|
---|
69 | prettyBytes(1900);
|
---|
70 | //=> '1.9 kB'
|
---|
71 | ```
|
---|
72 | */
|
---|
73 | readonly minimumFractionDigits?: number;
|
---|
74 |
|
---|
75 |
|
---|
76 | /**
|
---|
77 | The maximum number of fraction digits to display.
|
---|
78 |
|
---|
79 | If neither `minimumFractionDigits` or `maximumFractionDigits` are set, the default behavior is to round to 3 significant digits.
|
---|
80 |
|
---|
81 | @default undefined
|
---|
82 |
|
---|
83 | ```
|
---|
84 | import prettyBytes = require('pretty-bytes');
|
---|
85 |
|
---|
86 | // Show the number with at most 1 fractional digit
|
---|
87 | prettyBytes(1920, {maximumFractionDigits: 1});
|
---|
88 | //=> '1.9 kB'
|
---|
89 |
|
---|
90 | prettyBytes(1920);
|
---|
91 | //=> '1.92 kB'
|
---|
92 | ```
|
---|
93 | */
|
---|
94 | readonly maximumFractionDigits?: number;
|
---|
95 | }
|
---|
96 | }
|
---|
97 |
|
---|
98 | /**
|
---|
99 | Convert bytes to a human readable string: `1337` → `1.34 kB`.
|
---|
100 |
|
---|
101 | @param number - The number to format.
|
---|
102 |
|
---|
103 | @example
|
---|
104 | ```
|
---|
105 | import prettyBytes = require('pretty-bytes');
|
---|
106 |
|
---|
107 | prettyBytes(1337);
|
---|
108 | //=> '1.34 kB'
|
---|
109 |
|
---|
110 | prettyBytes(100);
|
---|
111 | //=> '100 B'
|
---|
112 |
|
---|
113 | // Display file size differences
|
---|
114 | prettyBytes(42, {signed: true});
|
---|
115 | //=> '+42 B'
|
---|
116 |
|
---|
117 | // Localized output using German locale
|
---|
118 | prettyBytes(1337, {locale: 'de'});
|
---|
119 | //=> '1,34 kB'
|
---|
120 | ```
|
---|
121 | */
|
---|
122 | declare function prettyBytes(
|
---|
123 | number: number,
|
---|
124 | options?: prettyBytes.Options
|
---|
125 | ): string;
|
---|
126 |
|
---|
127 | export = prettyBytes;
|
---|