@graphprotocol/client-auto-type-merging/esm/index.js

import TypeMergingTransform from '@graphql-mesh/transform-type-merging';
export default class AutoTypeMergingTransform {
    constructor(options) {
        this.options = options;
    }
    transformSchema(schema, subschemaConfig) {
        const queryType = schema.getQueryType();
        const queryFields = queryType?.getFields();
        const typeMergingQueryFieldConfig = [];
        if (queryFields != null) {
            for (const queryFieldName in queryFields) {
                const queryField = queryFields[queryFieldName];
                if (queryField.args.some((arg) => arg.name === 'where')) {
                    typeMergingQueryFieldConfig.push({
                        queryFieldName,
                        keyField: 'id',
                        keyArg: 'where.id_in',
                    });
                }
            }
        }
        const typeMergingTransform = new TypeMergingTransform({
            ...this.options,
            config: {
                queryFields: typeMergingQueryFieldConfig,
            },
        });
        return typeMergingTransform.transformSchema(schema, subschemaConfig);
    }
}