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Apply Japanese regional defaults

Install the package; feature subpaths are import targets.

Terminal window
bun add @alneas/appkit-core

@alneas/appkit-core/japan

import {japaneseHolidayCalendar} from '@alneas/appkit-core/japan';
console.log(japaneseHolidayCalendar({year:2026, month:1, day:1}));

Type-check this example in your application. See the export reference for narrower entry points and exact optional peers. Package import/type checks do not certify hosted providers.

Japanese calendar, formatting and business-document presets. Tests do not certify legal or tax compliance; review the applicable rules and date range.