daggerheart/module/documents/item.mjs

export default class DhpItem extends Item {
    _preCreate(data, changes, user){
      super._preCreate(data, changes, user);
    }

    prepareData(){
        super.prepareData();

        if(this.type === 'class'){
          // Bad. Make this better.
          // this.system.domains = CONFIG.daggerheart.DOMAIN.classDomainMap[Object.keys(CONFIG.daggerheart.DOMAIN.classDomainMap).find(x => x === this.name.toLowerCase())];
        }
    }

    isInventoryItem(){
      return ['weapon', 'armor', 'miscellaneous', 'consumable'].includes(this.type);
    }

    _onUpdate(data, options, userId) {
      super._onUpdate(data, options, userId);
    }

    static async createDialog(data = {}, { parent = null, pack = null, ...options } = {}) {
      const documentName = this.metadata.name;
      const types = game.documentTypes[documentName].filter(t => t !== CONST.BASE_DOCUMENT_TYPE);
      let collection;
      if ( !parent ) {
        if ( pack ) collection = game.packs.get(pack);
        else collection = game.collections.get(documentName);
      }
      const folders = collection?._formatFolderSelectOptions() ?? [];
      const label = game.i18n.localize(this.metadata.label);
      const title = game.i18n.format("DOCUMENT.Create", {type: label});
      const typeObjects = types.reduce((obj, t) => {
        const label = CONFIG[documentName]?.typeLabels?.[t] ?? t;
        obj[t] = { value: t, label: game.i18n.has(label) ? game.i18n.localize(label) : t };
        return obj;
      }, {});

      // Render the document creation form
      const html = await renderTemplate("systems/daggerheart/templates/sidebar/documentCreate.hbs", {
        folders,
        name: data.name || game.i18n.format("DOCUMENT.New", {type: label}),
        folder: data.folder,
        hasFolders: folders.length >= 1,
        type: data.type || CONFIG[documentName]?.defaultType || typeObjects.armor,
        types: {
            Items: [typeObjects.armor, typeObjects.weapon, typeObjects.consumable, typeObjects.miscellaneous],
            Character: [typeObjects.class, typeObjects.subclass, typeObjects.ancestry, typeObjects.community, typeObjects.feature, typeObjects.domainCard],
        },
        hasTypes: types.length > 1
      });

      // Render the confirmation dialog window
      return Dialog.prompt({
        title: title,
        content: html,
        label: title,
        callback: html => {
          const form = html[0].querySelector("form");
          const fd = new FormDataExtended(form);
          foundry.utils.mergeObject(data, fd.object, {inplace: true});
          if ( !data.folder ) delete data.folder;
          if ( types.length === 1 ) data.type = types[0];
          if ( !data.name?.trim() ) data.name = this.defaultName();
          return this.create(data, {parent, pack, renderSheet: true});
        },
        rejectClose: false,
        options
      });
    }
  }