A workaround of StaticQuery in a CMS widget

Hey there,
Since StaticQuery doesn’t run on the widget component. I’m looking for a workaround to get a field’s value form allMarkdownRemark (all posts in markdown format)

Current query:

        query ArticleByAuthor {
            filter: { frontmatter: { campaign: { ne: null } } }
          ) {
            edges {
              node {
                fields {
                frontmatter {

The goal is to list all the articles written by an author as a list, in a custom widget component.

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