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@tannin/sprintf
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@tannin/sprintf
Given a format string, returns string with arguments interpolatation. Arguments can either be provided directly via function arguments spread, or with an array as the second argument.
See: https://en.wikipedia.org/wiki/Printf_format_string
In addition to basic placeholder substitution, the following options a placeholder are implemented:
*
precision)f
, d
, s
, and %
are applied)Notably, this excludes:
Using npm as a package manager:
npm install @tannin/sprintf
Otherwise, download a pre-built copy from unpkg:
https://unpkg.com/@tannin/sprintf/dist/sprintf.min.js
Using positional arguments:
import sprintf from '@tannin/sprintf';
sprintf( 'Hello %s!', 'world' );
// ⇒ 'Hello world!'
Using named arguments:
import sprintf from '@tannin/sprintf';
sprintf( 'Hello %(place)s! From %(name)s.', { place: 'world', name: 'Andrew' } )
// ⇒ 'Hello world! From Andrew.'
When replacing numeric types (%d
and %f
), values will be coerced to numeric values, and default to 0:
sprintf( '%d', 123 )
returns '123'
sprintf( '%d', '123' )
returns '123'
sprintf( '%d', 'string' )
returns '0'
sprintf( '%d', false )
returns '0'
sprintf( '%d', null )
returns '0'
sprintf( '%d', undefined )
returns '0'
When replacing string types (%s
), values will be coerced to strings, and nullish values will be replaced with ''
:
sprintf( '%s', 'string' )
returns 'string'
sprintf( '%s', 0 )
returns '0'
sprintf( '%s', false )
returns 'false'
sprintf( '%s', null )
returns ''
sprintf( '%s', undefined )
returns ''
Copyright 2019-2020 Andrew Duthie
Released under the MIT License.
FAQs
printf string formatter
The npm package @tannin/sprintf receives a total of 5,785 weekly downloads. As such, @tannin/sprintf popularity was classified as popular.
We found that @tannin/sprintf demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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