Files
gridpilot.gg/scripts/generate-api-types.ts
2025-12-17 22:37:21 +01:00

113 lines
3.2 KiB
TypeScript

#!/usr/bin/env tsx
import fs from 'fs/promises';
import path from 'path';
async function generateIndividualDTOs() {
const openapiPath = path.join(__dirname, '../apps/api/openapi.json');
const outputDir = path.join(__dirname, '../apps/website/lib/types/generated');
console.log('🔄 Generating individual DTO files from OpenAPI spec...');
try {
// Check if OpenAPI spec exists
await fs.access(openapiPath);
} catch {
console.error(`❌ OpenAPI spec not found at: ${openapiPath}`);
console.error('Run "npm run api:generate-spec" first');
process.exit(1);
}
try {
// Read the OpenAPI spec
const specContent = await fs.readFile(openapiPath, 'utf-8');
const spec = JSON.parse(specContent);
// Ensure output directory exists
await fs.mkdir(outputDir, { recursive: true });
// Extract schemas from the spec
const schemas = spec.components?.schemas || {};
console.log(`📝 Found ${Object.keys(schemas).length} schemas to generate`);
// Generate individual files for each schema
for (const [schemaName, schema] of Object.entries(schemas)) {
if (typeof schema === 'object' && schema !== null) {
const fileName = `${schemaName}.ts`;
const filePath = path.join(outputDir, fileName);
// Convert OpenAPI schema to TypeScript interface
const tsInterface = generateTypeScriptInterface(schemaName, schema);
await fs.writeFile(filePath, tsInterface);
console.log(`✅ Generated ${fileName}`);
}
}
console.log(`🎉 Generated ${Object.keys(schemas).length} DTO files in ${outputDir}`);
} catch (error) {
console.error('❌ Failed to generate DTOs:', error);
process.exit(1);
}
}
function generateTypeScriptInterface(name: string, schema: any): string {
const properties = schema.properties || {};
const required = schema.required || [];
let interfaceContent = `/**
* Auto-generated DTO from OpenAPI spec
* This file is generated by scripts/generate-api-types.ts
* Do not edit manually - regenerate using: npm run api:sync-types
*/
export interface ${name} {\n`;
for (const [propName, propSchema] of Object.entries(properties)) {
const isRequired = required.includes(propName);
const optionalMark = isRequired ? '' : '?';
const type = openApiTypeToTypeScript(propSchema);
interfaceContent += ` ${propName}${optionalMark}: ${type};\n`;
}
interfaceContent += '}\n';
return interfaceContent;
}
function openApiTypeToTypeScript(schema: any): string {
if (schema.$ref) {
// Handle references
const refName = schema.$ref.split('/').pop();
return refName;
}
if (schema.type === 'array') {
const itemType = openApiTypeToTypeScript(schema.items);
return `${itemType}[]`;
}
if (schema.type === 'object') {
// For complex objects, we'll use a generic Record for now
return 'Record<string, any>';
}
switch (schema.type) {
case 'string':
if (schema.format === 'date-time') {
return 'string'; // Keep as string for now, could be Date
}
return 'string';
case 'number':
case 'integer':
return 'number';
case 'boolean':
return 'boolean';
default:
return 'any';
}
}
generateIndividualDTOs().catch(console.error);