ajv

• ajv-validator/ajv
  • JSON Schema 校验
  • 支持 JTD serialize/parse
    • 类似于 fastify/fast-json-stringify
• 参考
  • ajv-validator/ajv-keywords 增加自定义关键字
    • typeof, instanceof
    • select, selectCases, selectDefault -> discriminator
    • dynamicDefaults
    • number: range, exclusiveRange
    • string: regexp, transform
      • transform 允许验证时修改字符串内容
    • array: uniqueItemProperties
    • object: allRequired, anyRequired, oneRequired, patternRequired, prohibited, deepProperties, deepRequired
  • https://ajv.js.org/json-schema.html

npm add ajv ajv-formats ajv-keywords ajv-errors

import addFormats from 'ajv-formats';
import addKeywords from 'ajv-keywords';
import Ajv2020 from 'ajv/dist/2020';

const ajv = new Ajv2020();
addFormats(ajv);
addKeywords(ajv);

// 添加自定义 keyword 避免失败
ajv.addKeyword('x-meta');

due to error strict mode: unknown keyword