te')); return $arr; } /* 遍历用户所有主题 * @param $uid 用户ID * @param int $page 页数 * @param int $pagesize 每页记录条数 * @param bool $desc 排序方式 TRUE降序 FALSE升序 * @param string $key 返回的数组用那一列的值作为 key * @param array $col 查询哪些列 */ function thread_tid_find_by_uid($uid, $page = 1, $pagesize = 1000, $desc = TRUE, $key = 'tid', $col = array()) { if (empty($uid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('uid' => $uid), array('tid' => $orderby), $page, $pagesize, $key, $col); return $arr; } // 遍历栏目下tid 支持数组 $fid = array(1,2,3) function thread_tid_find_by_fid($fid, $page = 1, $pagesize = 1000, $desc = TRUE) { if (empty($fid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('fid' => $fid), array('tid' => $orderby), $page, $pagesize, 'tid', array('tid', 'verify_date')); return $arr; } function thread_tid_delete($tid) { if (empty($tid)) return FALSE; $r = thread_tid__delete(array('tid' => $tid)); return $r; } function thread_tid_count() { $n = thread_tid__count(); return $n; } // 统计用户主题数 大数量下严谨使用非主键统计 function thread_uid_count($uid) { $n = thread_tid__count(array('uid' => $uid)); return $n; } // 统计栏目主题数 大数量下严谨使用非主键统计 function thread_fid_count($fid) { $n = thread_tid__count(array('fid' => $fid)); return $n; } ?>javascript - Joi nested schemas and default values - Stack Overflow
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javascript - Joi nested schemas and default values - Stack Overflow

programmeradmin4浏览0评论

I'm trying to get Joi to enforce default values on a secondary schema referenced by another. I have two schemas like so:

const schemaA = Joi.object().keys({
  title: Joi.string().default(''),
  time: Joi.number().min(1).default(5000)
})

const schemaB = Joi.object().keys({
  enabled: Joi.bool().default(false),
  a: schemaA
})

What I want is to provide an object where a is not defined and have Joi apply the default values for it instead like this:

const input = {enabled: true}

const {value} = schemaB.validate(input)

//Expect value to equal this:
const expected = {
  enabled: true,
  a: {
    title: '',
    time: 5000
  }
}

The problem is that since the key is optional it is simply not enforced. So what I want is for it to be optional yet properly filled with schemaA defaults if not present. I've been looking through the documentation, but can't seem to find any info on this though I'm probably missing something obvious. Any tips?

I'm trying to get Joi to enforce default values on a secondary schema referenced by another. I have two schemas like so:

const schemaA = Joi.object().keys({
  title: Joi.string().default(''),
  time: Joi.number().min(1).default(5000)
})

const schemaB = Joi.object().keys({
  enabled: Joi.bool().default(false),
  a: schemaA
})

What I want is to provide an object where a is not defined and have Joi apply the default values for it instead like this:

const input = {enabled: true}

const {value} = schemaB.validate(input)

//Expect value to equal this:
const expected = {
  enabled: true,
  a: {
    title: '',
    time: 5000
  }
}

The problem is that since the key is optional it is simply not enforced. So what I want is for it to be optional yet properly filled with schemaA defaults if not present. I've been looking through the documentation, but can't seem to find any info on this though I'm probably missing something obvious. Any tips?

Share Improve this question edited Sep 12, 2017 at 8:54 Thomas asked Sep 12, 2017 at 7:08 ThomasThomas 1,8313 gold badges20 silver badges44 bronze badges
Add a ment  | 

2 Answers 2

Reset to default 12

Update : April, 2020.

Now, you can use default() in nested objects. Here is the mit in repo with test.

var schema = Joi.object({
                a: Joi.number().default(42),
                b: Joi.object({
                    c: Joi.boolean().default(true),
                    d: Joi.string()
                }).default()
            }).default();

This should do it:

const schemaA = Joi.object().keys({
  title: Joi.string().default(''),
  time: Joi.number().min(1).default(5000),
});

const schemaB = Joi.object().keys({
  enabled: Joi.bool().default(false),
  a: schemaA.default(schemaA.validate({}).value),
});

Although it would be much better if they would implement a feature to let us pass in Joi schema objects for defaults, like so: schemaA.default(schemaA) or schemaA.default('object')

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