js 解析复杂的json

// 假设我们有以下复杂的 JSON 字符串
const jsonString = `{
  "name": "John",
  "age": 30,
  "address": {
    "street": "123 Main St",
    "city": "Anytown"
  },
  "skills": ["JavaScript", "Python", "Java"]
}`;

// 解析 JSON 字符串
const data = JSON.parse(jsonString);

console.log(data.name); // 输出: John
console.log(data.address.city); // 输出: Anytown
console.log(data.skills[0]); // 输出: JavaScript

try {
  const data = JSON.parse(jsonString);
  console.log(data);
} catch (error) {
  console.error("JSON 解析错误:", error);
}

const circularReference = {};
circularReference.self = circularReference;

// 使用第三方库如 `circular-json` 来处理循环引用
const CircularJSON = require('circular-json');
const jsonString = CircularJSON.stringify(circularReference);
console.log(jsonString);

const stream = require('stream');
const { parse } = require('JSONStream');

const jsonStream = fs.createReadStream('large-file.json', { encoding: 'utf8' });
const parser = parse('*');

jsonStream.pipe(parser);

parser.on('data', (data) => {
  console.log(data);
});

parser.on('end', () => {
  console.log('解析完成');
});