DankMaterialShell/Common/I18n.qml

import QtQuick
import Quickshell
import Quickshell.Io
pragma Singleton
pragma ComponentBehavior: Bound

Singleton {
    id: root

    property string currentLocale: Qt.locale().name.substring(0, 2)
    property var translations: ({})
    property bool translationsLoaded: false

    FileView {
        id: translationLoader
        path: root.currentLocale === "en" ? "" : Qt.resolvedUrl(`../translations/${root.currentLocale}.json`)

        onLoaded: {
            try {
                root.translations = JSON.parse(text())
                root.translationsLoaded = true
                console.log(`I18n: Loaded translations for locale '${root.currentLocale}' (${Object.keys(root.translations).length} contexts)`)
            } catch (e) {
                console.warn(`I18n: Error parsing translations for locale '${root.currentLocale}':`, e, "- falling back to English")
                root.translationsLoaded = false
            }
        }

        onLoadFailed: (error) => {
            console.warn(`I18n: Failed to load translations for locale '${root.currentLocale}' (${error}), falling back to English`)
            root.translationsLoaded = false
        }
    }

    function tr(term, context) {
        if (!translationsLoaded || !translations) {
            return term
        }

        const actualContext = context || term

        if (translations[actualContext] && translations[actualContext][term]) {
            return translations[actualContext][term]
        }

        for (const ctx in translations) {
            if (translations[ctx][term]) {
                return translations[ctx][term]
            }
        }

        return term
    }

    function trContext(context, term) {
        if (!translationsLoaded || !translations) {
            return term
        }

        if (translations[context] && translations[context][term]) {
            return translations[context][term]
        }

        return term
    }
}