app/services/utils/i18nUtils.ts

import {VueI18n} from "vue-i18n";
import {EnumChoice, EnumChoices} from "~/types/interfaces";


class I18nUtils {
    private i18n!: VueI18n

    public constructor(i18n: VueI18n) {
        this.i18n = i18n
    }

    /**
     * Return the given enum with its labels translated
     *
     * If sort is true, the enum is also sorted by its newly translated labels
     *
     * @param enum_
     * @param sort
     */
    public translateEnum(enum_: EnumChoices, sort: boolean = true): EnumChoices {
        enum_ = enum_.map(
            (item: EnumChoice) => {
                return {value: item.value, label: this.i18n.t(item.value) as string}
            }
        )

        if (sort) {
            enum_ = enum_.sort((a, b) => {
                if (a.label > b.label) {
                    return 1
                }
                if (a.label < b.label) {
                    return -1
                }
                return 0
            })
        }
        return enum_
    }
}