zonder/dist/lib/envio/generateGraphQLSchema.js

Ergonomic multi-chain indexing framework with dual runtime support for Ponder and Envio.

import { safeWriteFileSync } from '../utils/safeWrite.js';
import { solidityTypeToGraphQLType } from './solidityTypeToGraphQLType.js';
/**
 * Generates a GraphQL schema from Zonder configuration
 */
export function generateGraphQLSchema(config) {
    let schema = '# This file is auto-generated by zonder. Do not edit manually.\n';
    // Process each contract
    Object.entries(config.contracts || {}).forEach(([contractName, abi]) => {
        const events = abi.filter((item) => item.type === 'event');
        events.forEach((event) => {
            const typeName = `${contractName}_${event.name}`;
            // Generate indexes
            const indexes = [`@index(fields: ["chainId", "timestamp"])`];
            // Add indexes for address fields
            if (event.inputs && event.inputs.length > 0) {
                event.inputs.forEach((input) => {
                    if (input.type === 'address') {
                        const fieldName = `evt_${input.name || 'param'}`;
                        indexes.push(`@index(fields: ["chainId", "${fieldName}"])`);
                    }
                });
            }
            schema += `type ${typeName}\n  ${indexes.join('\n  ')} {\n`;
            schema += `  id: ID!
  chainId: Int!
  txHash: String!
  blockNumber: BigInt!
  timestamp: BigInt!
  logIndex: Int!
  logAddress: String!\n`;
            // Add event-specific fields
            if (event.inputs && event.inputs.length > 0) {
                schema += '\n';
                event.inputs.forEach((input) => {
                    const fieldName = `evt_${input.name || 'param'}`;
                    const graphqlType = solidityTypeToGraphQLType(input.type);
                    schema += `  ${fieldName}: ${graphqlType}!\n`;
                });
            }
            schema += '}\n\n';
        });
    });
    return schema.trim() + '\n';
}
/**
 * Generates and writes GraphQL schema to file
 */
export function generateAndWriteGraphQLSchema(config, overwrite = false) {
    const schemaContent = generateGraphQLSchema(config);
    safeWriteFileSync('schema.graphql', schemaContent, { overwrite });
}