@unchainedshop/plugins/lib/pricing/tax/ch.js

Official plugin collection for the Unchained Engine with payment, delivery, and pricing adapters

const startOf2024 = new Date('2024-01-01T00:00:00.000+0100');
export const SwissTaxCategories = {
    DEFAULT: {
        value: 'default',
        rate: (referenceDate = new Date()) => {
            if (referenceDate.getTime() < startOf2024.getTime()) {
                return 0.077;
            }
            return 0.081;
        },
    },
    REDUCED: {
        value: 'reduced',
        rate: (referenceDate = new Date()) => {
            if (referenceDate.getTime() < startOf2024.getTime()) {
                return 0.025;
            }
            return 0.026;
        },
    },
    SPECIAL: {
        value: 'special',
        rate: (referenceDate = new Date()) => {
            if (referenceDate.getTime() < startOf2024.getTime()) {
                return 0.037;
            }
            return 0.038;
        },
    },
};
export const resolveTaxCategoryFromDeliveryProvider = (provider) => {
    const taxCategoryFromProvider = provider?.configuration
        ?.find(({ key }) => {
        if (key === 'swiss-tax-category')
            return true;
        return null;
    })
        ?.value?.toUpperCase();
    const taxCategory = taxCategoryFromProvider ? SwissTaxCategories[taxCategoryFromProvider] : null;
    return taxCategory;
};
export const resolveTaxCategoryFromProduct = (product) => {
    const productSpecialTaxTag = product.tags?.find((tag) => tag?.trim().toLowerCase().startsWith('swiss-tax-category:'));
    const taxCategory = Object.values(SwissTaxCategories).find((t) => `swiss-tax-category:${t.value}` === productSpecialTaxTag?.trim().toLowerCase());
    return taxCategory || null;
};