daggerheart/module/applications/ui/presetTemplates.mjs

const { HandlebarsApplicationMixin, ApplicationV2 } = foundry.applications.api;

/**
 *
 * @extends ApplicationV2
 * @mixes HandlebarsApplication
 */

export default class PresetTemplates extends HandlebarsApplicationMixin(ApplicationV2) {
    constructor(options = {}) {
        super(options);
    }

    /** @inheritDoc */
    static DEFAULT_OPTIONS = {
        id: 'presetTemplates',
        classes: [],
        tag: 'div',
        window: {
            frame: true,
            title: 'Preset Templates',
            positioned: true,
            resizable: true,
            minimizable: true
        },
        actions: {
        },
        position: {
            width: 222,
            height: 222
            // top: "200px",
            // left: "120px"
        }
    };

    /** @override */
    static PARTS = {
        resources: {
            root: true,
            template: 'systems/daggerheart/templates/ui/presetTemplates.hbs'
        }
    };

    /* -------------------------------------------- */
    /*  Rendering                                   */
    /* -------------------------------------------- */

    /** @override */
    async _prepareContext(_options) {
        // Return the data for rendering
        return { };
    }

    /** @override */
    async _preFirstRender(context, options) {
        options.position =
            game.user.getFlag(CONFIG.DH.id, 'app.presetTemplates.position') ?? PresetTemplates.DEFAULT_OPTIONS.position;
    }

    /** @override */
    async _preRender(context, options) {
    }

    _onPosition(position) {
        game.user.setFlag(CONFIG.DH.id, 'app.presetTemplates.position', position);
    }
}