gcg-website/static/admin/previews/field-previews/index.js

import BooleanPreview from "./boolean-preview.js";
import DraftPreview from "./draft-preview.js";
import CountPreview from "./count-preview.js";
import BodyPreview from "./body-preview.js";
import DatePreview from "./date-preview.js";

export { BooleanPreview, DraftPreview, CountPreview, BodyPreview, DatePreview };