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swift-formatstyle

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Formats and parses locale-aware numbers, decimals, currencies, percentages, dates, durations, measurements, names, lists, byte counts, and URLs with Foundation FormatStyle and ParseableFormatStyle. Use when replacing legacy Formatter subclasses, designing reusable format APIs, using SwiftUI Text(_:format:), correcting availability, or testing user-facing formatted output across locales.

When to use

• replacing legacy Formatter subclasses
• designing reusable format APIs
• using SwiftUI Text(_:format:)
• correcting availability
• testing user-facing formatted output across locales
• parsing formatted values
• creating custom FormatStyle
• formatting dates, durations, and measurements

When not to use

• String Catalogs
• plurals
• localized copy
• bundles
• RTL layout

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