基于另一字段的一组值的Joi字段验证
基于另一字段的一组值的Joi字段验证
提问于 2020-05-20 11:44:33
我试图基于另一个字段的一组值来验证对象中的字段。假设我的对象必须字段，field1和field2。字段一可以取值A，B，C，D，E，F，H，I。如果field1是其中的任何一个，那么field2应该是空的。我该怎么做。我认为应该在下面有synthax，但我不知道如何完全实现它。
const mySchema = Joi.object({
field1: Joi.string().valid('A','B','C','D','E','F','H','I').required(),
field2: Joi.when('field1', is: <A or B or C or H> then: <field2 should be null> otherwise: Joi.date().required())
});NB:，我在使用"@hapi/joi": "^17.1.1"
回答 1
Stack Overflow用户
回答已采纳
发布于 2020-05-20 12:28:19
我终于尝试了：
const Joi = require("@hapi/joi");
const schema = Joi.object({
field1: Joi.string().valid('A', 'B', 'C', 'D', 'E', 'F', 'H', 'I').required(),
field2: Joi.when('field1', {
is: Joi.string().valid('A', 'B', 'C', 'H'),
then: Joi.valid(null),
otherwise: Joi.date().required(),
}),
});
const validation = [schema.validate({ field1: 'B', field2: null }), schema.validate({ field1: 'E', field2: null }),
schema.validate({ field1: 'E', field2: Date() }), schema.validate({ field1: 'A', field2: Date() })];
validation.forEach((v)=>{
if(v.error){
console.log(JSON.stringify(v.error));
}else{
console.log(JSON.stringify(v.value));
}
});这是输出。
{"field1":"B","field2":null}
{"_original":{"field1":"E","field2":null},"details":[{"message":"\"field2\" must be a valid date","path":["field2"],"type":"date.base","context":{"label":"field2","value":null,"key":"field2"}}]}
{"field1":"E","field2":"2020-05-20T12:26:48.000Z"}
{"_original":{"field1":"A","field2":"Wed May 20 2020 13:26:48 GMT+0100 (West Africa Standard Time)"},"details":[{"message":"\"field2\" must be [null]","path":["field2"],"type":"any.only","context":{"valids":[null],"label":"field2","value":"Wed May 20 2020 13:26:48 GMT+0100 (West Africa Standard Time)","key":"field2"}}]}页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/61912282
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