如何使用 Joi 验证其键应与外部对象匹配的另一个键其值为数组的嵌套对象?

How to validate nested object whose keys should match with outer objects another key whose value is array using Joi?

我有要验证的对象。

// valid object because all values of keys are present in details object
var object = {
    details: {
        key1: 'stringValue1',
        key2: 'stringValue2',
        key3: 'stringValue3'
    },
    keys: ['key1', 'key2', 'key3']
}

// invalid object as key5 is not present in details
var object = {
    details: {
        key4: 'stringValue4'
    },
    keys: ['key4', 'key5']
}

// invalid object as key5 is not present and key8 should not exist in details
var object = {
    details: {
        key4: 'stringValue4',
        key8: 'stringValue8',            
    },
    keys: ['key4', 'key5']
}

keys 中存在的所有键也应该存在于 details 中。

我尝试使用 Joi.ref()

var schema = Joi.object({
    details: Joi.object().keys(Object.assign({}, ...Object.entries({...Joi.ref('keys')}).map(([a,b]) => ({ [b]: Joi.string() })))),
    keys: Joi.array()
})

但这不起作用,因为 Joi.ref('keys') 将在验证时得到解决。

如何使用 Joi 验证此对象?

您可以验证数组(如果需要),然后创建动态模式并验证它。

const arrSchema = Joi.object({
    keys: Joi.array()
});

那么,

const newSchema = Joi.object({
    details: Joi.object().keys(data.keys.reduce((p, k) => {
        p[k] = Joi.string().required();
        return p;
    },{})),
    keys: Joi.array()
})

这应该可以做到。

您必须在 validate() 选项中设置 allowUnknown: true

使用object.pattern and array.length

var schema = Joi.object({
  details: Joi.object().pattern(Joi.in('keys'), Joi.string()),
  keys: Joi.array().length(Joi.ref('details', {
      adjust: (value) => Object.keys(value).length
    }))
});

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