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Copy pathtest-dcraw.ts
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52 lines (41 loc) · 1.66 KB
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import fs from 'fs';
// Test dcraw library functionality
async function testDcrawLibrary() {
console.log('🧪 Testing dcraw library...');
try {
const dcraw = require('dcraw');
console.log('✅ dcraw library loaded successfully');
// Check if dcraw function is available
if (typeof dcraw === 'function') {
console.log('✅ dcraw function is available');
// Test with an invalid buffer to see error handling
try {
const testBuffer = Buffer.from('invalid dng data');
const result = dcraw(testBuffer, { identify: true });
console.log('📋 Test result:', result);
} catch (error) {
console.log('⚠️ Expected error for invalid data:', error instanceof Error ? error.message : String(error));
}
} else {
console.log('❌ dcraw is not a function, type:', typeof dcraw);
console.log('📋 dcraw object:', dcraw);
}
} catch (error) {
console.error('❌ Failed to load dcraw:', error);
// Let's try alternative approaches
console.log('\n🔄 Trying alternative DNG processing approaches...');
// Test sharp with a simple image conversion
try {
const sharp = require('sharp');
console.log('✅ Sharp library loaded successfully');
// Create a simple test to ensure sharp works
const testImageBuffer = Buffer.alloc(100 * 100 * 3, 128); // Simple gray image
console.log('📊 Created test image buffer of size:', testImageBuffer.length);
} catch (sharpError) {
console.error('❌ Sharp error:', sharpError);
}
}
}
if (require.main === module) {
testDcrawLibrary().catch(console.error);
}