@cran/gql.jm/mjs/withSqlComposite.js

Cran/GraphQL Join Monster Utilities

import { getNamedType } from "graphql";
import { MapperKind, createDirective, getExtension } from "@cran/gql.core";
export function withSqlComposite(name = "sqlComposite") {
    return createDirective(name, {}, {
        [MapperKind.COMPOSITE_TYPE](_, composite) {
            Object.assign(getExtension(composite, "joinMonster", {}), { composite: true, });
        },
    });
}
export function markComposite(field, name) {
    if (!getExtension(getNamedType(field.type), "joinMonster", {}).composite) {
        return;
    }
    const ext = getExtension(field, "joinMonster", {});
    if (ext.composited) {
        return;
    }
    ext.composited = true;
    const expr = ext.sqlExpr;
    ext.sqlExpr = function composite(table, args, context, ast) {
        const column = expr ? expr(table, args, context, ast)
            : `${table}."${ext.sqlColumn || name}"`;
        return `to_json(${column})`;
    };
}