change block on export

I'd make a custom component to handle such a case.

domc.addType('data-list', {
	model: ...
		defaults: () => ({
			...
			list: []
		}),

	view: ...
		render() {
			... 
			const list = this.model.get('list');
			const content = this.el.innerHTML;
			// interpolate / use some template engine
		}
});

blockManager.add('products', {
  label: 'products',
  content: `
  <ul gjs-data-type="data-list" gjs-data-list="[{...}, {...}]">
    {% for product in products %}
      <li>{{ product.name }}</li>
    {% endfor %}
  </ul>
`,
});

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