向JSON对象挂钩添加类型提示的正确方法

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "properties": {
    "name": {
      "type": "string"
    },
    "age": {
      "type": "integer",
      "minimum": 0
    }
  },
  "required": ["name"]
}

const Ajv = require('ajv');
const ajv = new Ajv();

const schema = {
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "properties": {
    "name": {
      "type": "string"
    },
    "age": {
      "type": "integer",
      "minimum": 0
    }
  },
  "required": ["name"]
};

const data = {
  "name": "John",
  "age": 25
};

const validate = ajv.compile(schema);
const isValid = validate(data);

if (isValid) {
  console.log('Data is valid');
} else {
  console.log('Data is invalid');
  console.log(validate.errors);
}