const fs = require('fs');
const content = fs.readFileSync('public/Cesium/Cesium.js', 'utf8');

// Search for pattern near the error string
const idx1 = content.indexOf('Unrecognized');
console.log('Unrecognized at byte:', idx1);
if (idx1 >= 0) {
    const start = Math.max(0, idx1 - 100);
    const end = Math.min(content.length, idx1 + 100);
    console.log('Context:', content.substring(start, end));
}

// Also search for the string parts
const searchTerms = ['unrecognized', 'uniform type'];
for (const term of searchTerms) {
    let pos = 0;
    let count = 0;
    while ((pos = content.indexOf(term, pos)) >= 0 && count < 3) {
        const start = Math.max(0, pos - 60);
        const end = Math.min(content.length, pos + 60);
        console.log('\nFound "' + term + '" at byte', pos);
        console.log('  Context:', content.substring(start, end));
        pos++;
        count++;
    }
}