raveos-gnome-theme/theme-data/extensions/installed/customreboot@nova1545/bootloader.js


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import { EFIBootManager } from "./efibootmgr.js";
import { SystemdBoot } from './systemdBoot.js';
import { Grub } from './grub.js';

export const BootLoaders = {
    EFI: "EFI Boot Manager",
    GRUB: "Grub",
    SYSD: "Systemd Boot",
    UNKNOWN: "Unknown Boot Loader"
}

export class Bootloader {
    /**
     * Gets the first available boot loader type on the current system
     * @returns BootLoaders type. Can be "EFI", "SYSD", "GRUB", or "UNKNOWN"
     */
    static async GetUseableType(extension) {
        const settings = extension.getSettings('org.gnome.shell.extensions.customreboot');

        if (await EFIBootManager.IsUseable() && settings.get_boolean('use-efibootmgr')) return BootLoaders.EFI;
        if (await Grub.IsUseable() && settings.get_boolean('use-grub')) return BootLoaders.GRUB;
        if (await SystemdBoot.IsUseable() && settings.get_boolean('use-systemd-boot')) return BootLoaders.SYSD;
        return BootLoaders.UNKNOWN;
    }

    /**
     * Gets a instance of the provided boot loader
     * @returns A boot loader if one is found otherwise undefined
     */
    static async GetUseable(type) {
        if (type === BootLoaders.EFI) return EFIBootManager;
        if (type === BootLoaders.SYSD) return SystemdBoot;
        if (type === BootLoaders.GRUB) return Grub;
        return undefined;
    }
}