@graphql-mesh/plugin-operation-field-permissions/index.mjs

import { process } from '@graphql-mesh/cross-helpers';
import { useOperationFieldPermissions } from '@envelop/operation-field-permissions';

function useMeshOperationFieldPermissions(options) {
    return {
        onPluginInit({ addPlugin }) {
            addPlugin(useOperationFieldPermissions({
                getPermissions(context) {
                    const allowedFields = new Set();
                    for (const { if: condition, allow } of options.permissions) {
                        const ifFn = new Function('context', 'env', 'return ' + condition);
                        if (ifFn(context, process.env)) {
                            for (const allowedField of allow) {
                                allowedFields.add(allowedField);
                            }
                        }
                    }
                    return allowedFields;
                },
            }));
        },
    };
}

export default useMeshOperationFieldPermissions;