daggerheart/module/applications/sheets/consumable.mjs

// import DhpApplicationMixin from '../daggerheart-sheet.mjs';

// export default class ConsumableSheet extends DhpApplicationMixin(ItemSheet) {
//     static documentType = "consumable";

//     /** @override */
//     static get defaultOptions() {
//         return foundry.utils.mergeObject(super.defaultOptions, {
//             classes: ["daggerheart", "sheet", "consumable"],
//             width: 480,
//             height: 'auto',
//         });
//     }

//     /** @override */
//     getData() {
//         const context = super.getData();

//         return context;
//     }
// }

import DaggerheartSheet from './daggerheart-sheet.mjs';

const { ItemSheetV2 } = foundry.applications.sheets;
export default class ConsumableSheet extends DaggerheartSheet(ItemSheetV2) {    
    static DEFAULT_OPTIONS = {
        tag: 'form',
        id: "daggerheart-consumable",
        classes: ["daggerheart", "sheet", "consumable"],
        position: { width: 480 },
        form: {
            handler: this.updateForm,
            submitOnChange: true,
            closeOnSubmit: false,
        },
    };
      
    static PARTS = {
        form: {
            id: "feature",
            template: "systems/daggerheart/templates/sheets/consumable.hbs"
        }
    }

    async _prepareContext(_options) {
        const context = await super._prepareContext(_options);
        context.document = this.document;

        return context;
    }

    static async updateForm(event, _, formData) {
        await this.document.update(formData.object)
        this.render();
    }
}