i18n-possessive

Convert a noun into its possessive form in any of the supported languages, such as John to John’s (English) or Bella to de Bella (French).

Given a noun {name}, the language support is as follows:

| Language | Locale Code | Possessive Rule |
|------------------|------------|----------------|
| English | en | Adds ’s to the noun. |
| Spanish | es | Uses de before the noun (e.g., "el libro de Juan"). |
| French | fr | Uses d’ if the noun starts with a vowel, otherwise de (e.g., "le livre d’Anne", "le livre de Marc"). |
| German | de | Adds ’ if the noun ends in s/ß/x/z, otherwise adds s. |
| Portuguese | pt | Uses de before the noun. |
| Italian | it | Uses di before the noun. |
| Russian | ru | Uses ’s (basic handling, may need improvement). |
| Hindi | hi | Uses का (masculine) or की (feminine, contextual). |
| Arabic | ar | Uses ل before the noun to indicate possession (e.g., "كتاب ل علي" for "Ali’s book"). |
| Mandarin Chinese | zh | Uses 的 after the noun (e.g., "张的书" for "Zhang’s book"). |
| Japanese | ja | Uses の after the noun (e.g., "田中の本" for "Tanaka’s book"). |
| Korean | ko | Uses 의 after the noun (e.g., "철수의 책" for "Chulsoo’s book"). |
| Turkish | tr | Uses nın or ın based on vowel harmony. |
| Dutch | nl | Adds ’ if the noun ends in s/ß/x/z, otherwise adds s. |

Examples

``ts
import { possessive } from "i18n-possessive";

possessive("John", "en")); // John’s
possessive("Sebastián", "es"); // de Sebastián
possessive("Bella", "fr"); // de Bella
possessive("Adalene", "fr"); // d’Adalene
possessive("Leon", "de"); // Leons
possessive("Niklas", "de"); // Niklas’
possessive("はると", "ja"); // はるとの
``

Thanks to Scott from the Slack team for the guidance!