const fs = require('fs');
const filePath = 'c:\\Users\\12914\\Desktop\\vscode\\chunyu_prject_react\\src\\locales\\zh.json';
const content = fs.readFileSync(filePath, 'utf8');

// Try to parse and find the exact error location using JSON.parse error info
try {
  JSON.parse(content);
  console.log('Valid JSON');
} catch (e) {
  const match = e.message.match(/position (\d+)/);
  if (match) {
    const pos = parseInt(match[1]);
    console.log(`Error position: ${pos}`);
    console.log(`Char at pos: [${content[pos]}] (code ${content.charCodeAt(pos)})`);
    // Find line number
    let line = 1, col = 1;
    for (let i = 0; i < pos; i++) {
      if (content[i] === '\n') { line++; col = 1; }
      else col++;
    }
    console.log(`Line ${line}, Column ${col}`);
    // Print context
    const lines = content.split('\n');
    for (let j = Math.max(0, line-6); j < Math.min(lines.length, line+3); j++) {
      console.log((j+1) + ': ' + lines[j]);
    }
  } else {
    console.log(e.message);
  }
}