index.ts

import type { FormatDistanceFn, FormatDistanceLocale } from '../../../types'

type FormatDistanceTokenForm = { one: string; other: string }

type FormatDistanceTokenValue = {
  standalone: string | FormatDistanceTokenForm
  withPreposition: string | FormatDistanceTokenForm
}

const formatDistanceLocale: FormatDistanceLocale<FormatDistanceTokenValue> = {
  lessThanXSeconds: {
    standalone: {
      one: 'weniger als 1 Sekunde',
      other: 'weniger als {{count}} Sekunden',
    },
    withPreposition: {
      one: 'weniger als 1 Sekunde',
      other: 'weniger als {{count}} Sekunden',
    },
  },

  xSeconds: {
    standalone: {
      one: '1 Sekunde',
      other: '{{count}} Sekunden',
    },
    withPreposition: {
      one: '1 Sekunde',
      other: '{{count}} Sekunden',
    },
  },

  halfAMinute: {
    standalone: 'halbe Minute',
    withPreposition: 'halben Minute',
  },

  lessThanXMinutes: {
    standalone: {
      one: 'weniger als 1 Minute',
      other: 'weniger als {{count}} Minuten',
    },
    withPreposition: {
      one: 'weniger als 1 Minute',
      other: 'weniger als {{count}} Minuten',
    },
  },

  xMinutes: {
    standalone: {
      one: '1 Minute',
      other: '{{count}} Minuten',
    },
    withPreposition: {
      one: '1 Minute',
      other: '{{count}} Minuten',
    },
  },

  aboutXHours: {
    standalone: {
      one: 'etwa 1 Stunde',
      other: 'etwa {{count}} Stunden',
    },
    withPreposition: {
      one: 'etwa 1 Stunde',
      other: 'etwa {{count}} Stunden',
    },
  },

  xHours: {
    standalone: {
      one: '1 Stunde',
      other: '{{count}} Stunden',
    },
    withPreposition: {
      one: '1 Stunde',
      other: '{{count}} Stunden',
    },
  },

  xDays: {
    standalone: {
      one: '1 Tag',
      other: '{{count}} Tage',
    },
    withPreposition: {
      one: '1 Tag',
      other: '{{count}} Tagen',
    },
  },

  aboutXWeeks: {
    standalone: {
      one: 'etwa 1 Woche',
      other: 'etwa {{count}} Wochen',
    },
    withPreposition: {
      one: 'etwa 1 Woche',
      other: 'etwa {{count}} Wochen',
    },
  },

  xWeeks: {
    standalone: {
      one: '1 Woche',
      other: '{{count}} Wochen',
    },
    withPreposition: {
      one: '1 Woche',
      other: '{{count}} Wochen',
    },
  },

  aboutXMonths: {
    standalone: {
      one: 'etwa 1 Monat',
      other: 'etwa {{count}} Monate',
    },
    withPreposition: {
      one: 'etwa 1 Monat',
      other: 'etwa {{count}} Monaten',
    },
  },

  xMonths: {
    standalone: {
      one: '1 Monat',
      other: '{{count}} Monate',
    },
    withPreposition: {
      one: '1 Monat',
      other: '{{count}} Monaten',
    },
  },

  aboutXYears: {
    standalone: {
      one: 'etwa 1 Jahr',
      other: 'etwa {{count}} Jahre',
    },
    withPreposition: {
      one: 'etwa 1 Jahr',
      other: 'etwa {{count}} Jahren',
    },
  },

  xYears: {
    standalone: {
      one: '1 Jahr',
      other: '{{count}} Jahre',
    },
    withPreposition: {
      one: '1 Jahr',
      other: '{{count}} Jahren',
    },
  },

  overXYears: {
    standalone: {
      one: 'mehr als 1 Jahr',
      other: 'mehr als {{count}} Jahre',
    },
    withPreposition: {
      one: 'mehr als 1 Jahr',
      other: 'mehr als {{count}} Jahren',
    },
  },

  almostXYears: {
    standalone: {
      one: 'fast 1 Jahr',
      other: 'fast {{count}} Jahre',
    },
    withPreposition: {
      one: 'fast 1 Jahr',
      other: 'fast {{count}} Jahren',
    },
  },
}

const formatDistance: FormatDistanceFn = (token, count, options) => {
  let result

  const tokenValue = options?.addSuffix
    ? formatDistanceLocale[token].withPreposition
    : formatDistanceLocale[token].standalone
  if (typeof tokenValue === 'string') {
    result = tokenValue
  } else if (count === 1) {
    result = tokenValue.one
  } else {
    result = tokenValue.other.replace('{{count}}', String(count))
  }

  if (options?.addSuffix) {
    if (options.comparison && options.comparison > 0) {
      return 'in ' + result
    } else {
      return 'vor ' + result
    }
  }

  return result
}

export default formatDistance