#!/usr/bin/env node
import { PedigreeRenderer } from '../src/renderer/pedigree-renderer.js';
import type { Individual } from '../src/types.js';
import * as fs from 'fs';
import * as path from 'path';
// Realistic BRCA1 Breast/Ovarian Cancer Family History
// Shows 3 generations with clear inheritance pattern
// Demonstrates key features without overwhelming complexity
const dataset: Individual[] = [
// Generation 0: Grandparents (maternal)
{
name: 'Grandmother',
sex: 'F',
top_level: true,
status: 1, // Deceased
yob: 1925,
yod: 2000,
carrier: true,
conditions: [
{ name: 'Breast Cancer', age: 52 }
]
},
{
name: 'Grandfather',
sex: 'M',
top_level: true,
status: 1, // Deceased
yob: 1923,
yod: 1998
},
// Generation 1: Parents and Aunt/Uncle
{
name: 'Mother',
sex: 'F',
mother: 'Grandmother',
father: 'Grandfather',
age: 55,
brca1_gene_test: { type: 'T', result: 'P' }, // BRCA1 positive
conditions: [
{ name: 'Breast Cancer', age: 45 }
]
},
{
name: 'Father',
sex: 'M',
top_level: true,
age: 57
},
{
name: 'Aunt',
sex: 'F',
mother: 'Grandmother',
father: 'Grandfather',
age: 52,
brca1_gene_test: { type: 'T', result: 'P' }, // BRCA1 positive
conditions: [
{ name: 'Ovarian Cancer', age: 48 }
]
},
{
name: 'Uncle',
sex: 'M',
top_level: true,
age: 54
},
// Generation 2: Siblings and Cousin
{
name: 'Proband',
sex: 'F',
mother: 'Mother',
father: 'Father',
age: 28,
proband: true,
consultand: true,
brca1_gene_test: { type: 'T', result: 'P' } // BRCA1 positive, seeking counseling
},
{
name: 'Brother',
sex: 'M',
mother: 'Mother',
father: 'Father',
age: 25,
brca1_gene_test: { type: 'T', result: 'N' } // BRCA1 negative
},
{
name: 'Sister',
sex: 'F',
mother: 'Mother',
father: 'Father',
age: 32,
brca1_gene_test: { type: 'T', result: 'P' }, // BRCA1 positive
conditions: [
{ name: 'Breast Cancer', age: 30 },
{ name: 'Ovarian Cancer', age: 31 }
]
},
{
name: 'Twin1',
sex: 'F',
mother: 'Aunt',
father: 'Uncle',
age: 30,
mztwin: 'A', // Identical twins
carrier: true // Obligate carrier (mother is BRCA1+)
},
{
name: 'Twin2',
sex: 'F',
mother: 'Aunt',
father: 'Uncle',
age: 30,
mztwin: 'A', // Identical twins
brca1_gene_test: { type: 'T', result: 'P' }
}
];
async function main() {
const renderer = new PedigreeRenderer(dataset);
const pngBuffer = await renderer.render();
const outputDir = path.join(process.cwd(), 'examples', 'output');
if (!fs.existsSync(outputDir)) {
fs.mkdirSync(outputDir, { recursive: true });
}
// Save as showcase example (will replace example.png in README)
const outputPath = path.join(outputDir, 'showcase-example.png');
fs.writeFileSync(outputPath, pngBuffer);
console.log(`✅ Generated showcase example: ${outputPath}`);
console.log('\nThis example demonstrates:');
console.log(' • 3 generations (Grandparents → Parents → Current)');
console.log(' • BRCA1 hereditary breast/ovarian cancer syndrome');
console.log(' • Affected individuals (filled symbols with conditions)');
console.log(' • Combined conditions (Sister has both breast + ovarian cancer)');
console.log(' • MZ identical twins (Twin1 and Twin2 with connecting bar)');
console.log(' • Carrier status (dots in symbols)');
console.log(' • Deceased (diagonal lines)');
console.log(' • Proband + consultand (seeking genetic counseling)');
console.log(' • Gene test results (BRCA1 positive/negative)');
console.log(' • Realistic medical genetics scenario');
}
main().catch(console.error);
