mastodon/app/javascript/mastodon/locales/locale-data/README.md

Custom Locale Data

This folder is used to store custom locale data. These custom locale data are not yet provided by Unicode Common Locale Data Repository and hence not provided in react-intl/locale-data/*.

The locale data should support Locale Data APIs of the react-intl library.

It is recommended to start your custom locale data from this sample English locale data:

/*eslint eqeqeq: "off"*/
/*eslint no-nested-ternary: "off"*/

export default [
  {
    locale: "en",
    pluralRuleFunction: function(e, a) {
      var n = String(e).split("."),
        l = !n[1],
        o = Number(n[0]) == e,
        t = o && n[0].slice(-1),
        r = o && n[0].slice(-2);
      return a ? 1 == t && 11 != r ? "one" : 2 == t && 12 != r ? "two" : 3 == t && 13 != r ? "few" : "other" : 1 == e && l ? "one" : "other"
    },
    fields: {
      year: {
        displayName: "year",
        relative: {
          0: "this year",
          1: "next year",
          "-1": "last year"
        },
        relativeTime: {
          future: {
            one: "in {0} year",
            other: "in {0} years"
          },
          past: {
            one: "{0} year ago",
            other: "{0} years ago"
          }
        }
      },
      month: {
        displayName: "month",
        relative: {
          0: "this month",
          1: "next month",
          "-1": "last month"
        },
        relativeTime: {
          future: {
            one: "in {0} month",
            other: "in {0} months"
          },
          past: {
            one: "{0} month ago",
            other: "{0} months ago"
          }
        }
      },
      day: {
        displayName: "day",
        relative: {
          0: "today",
          1: "tomorrow",
          "-1": "yesterday"
        },
        relativeTime: {
          future: {
            one: "in {0} day",
            other: "in {0} days"
          },
          past: {
            one: "{0} day ago",
            other: "{0} days ago"
          }
        }
      },
      hour: {
        displayName: "hour",
        relativeTime: {
          future: {
            one: "in {0} hour",
            other: "in {0} hours"
          },
          past: {
            one: "{0} hour ago",
            other: "{0} hours ago"
          }
        }
      },
      minute: {
        displayName: "minute",
        relativeTime: {
          future: {
            one: "in {0} minute",
            other: "in {0} minutes"
          },
          past: {
            one: "{0} minute ago",
            other: "{0} minutes ago"
          }
        }
      },
      second: {
        displayName: "second",
        relative: {
          0: "now"
        },
        relativeTime: {
          future: {
            one: "in {0} second",
            other: "in {0} seconds"
          },
          past: {
            one: "{0} second ago",
            other: "{0} seconds ago"
          }
        }
      }
    }
  }
]