@cran/gql.koa/mjs/middleware/sqlPreview.js

Cran/GraphQL Koa Server

export async function sqlPreview(ctx, next) {
    ctx.queries = [];
    await next();
    if (ctx.queries.length) {
        ctx.set("X-Sql-Preview", encodeURIComponent(ctx.queries.join("\n--\n")));
    }
}