Implementation library
Internationalization Engineering Guides
Standards-led, copyable guidance for building, testing, and operating software across languages and regions.
Locale-aware numeric formatting
Implement numbers and currencies with Intl.NumberFormat, Unicode CLDR concepts, formatToParts(), and semantic tests.
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Localization testing workflow
Combine pseudolocalization, automated checks, native-language review, device simulation, and release gates.
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Global address and phone standards
Design forms and storage around UPU S42, ITU-T E.164, regional templates, and phone metadata.
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Internationalization architecture
Separate messages, locale data, formatting, validation, routing, and business logic in a maintainable delivery workflow.
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