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@internationalized/number
Advanced tools
Internationalized number formatting and parsing utilities
This package is part of react-spectrum. See the repo for more details.
The NumberParser
class can be used perform locale-aware parsing of numbers from Unicode strings,
as well as validation of partial user input. It automatically detects the numbering system
used in the input, and supports parsing decimals, percentages, currency values, and units
according to the locale.
import {NumberParser} from '@internationalized/number';
let parser = new NumberParser('en-US', {style: 'percent'});
parser.parse('10%'); // -> 0.1
import {NumberParser} from '@internationalized/number';
let parser = new NumberParser('en-US', {style: 'unit', unit: 'inch'});
parser.isValidPartialNumber('10 '); // -> true
parser.isValidPartialNumber('10 in'); // -> true
parser.isValidPartialNumber('10 i'); // -> false
parser.isValidPartialNumber('10 x'); // -> false
import {NumberParser} from '@internationalized/number';
let parser = new NumberParser('en-US', {style: 'decimal'});
parser.getNumberingSystem('١٢') // -> 'arabic'
The NumberFormatter
class is a wrapper around Intl.NumberFormat providing additional options, polyfills, and caching for performance. It provides the exact same interface as Intl.NumberFormat, so it is a drop-in replacement. Please see the MDN docs linked above for more details.
We currently polyfill the following features:
signDisplay
optionunit
style, currently only for the degree
unit in the narrow
styleFAQs
Internationalized number formatting and parsing utilities
The npm package @internationalized/number receives a total of 1,166,387 weekly downloads. As such, @internationalized/number popularity was classified as popular.
We found that @internationalized/number demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 2 open source maintainers collaborating on the project.
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