You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
23 lines
564 B
23 lines
564 B
import { invalid, Validity, Rule } from "https://deno.land/x/validasaur/mod.ts";
|
|
|
|
/**
|
|
*
|
|
* @param id
|
|
* @return
|
|
*/
|
|
export function exists(id: string): Rule {
|
|
return async function existsRule(value: any): Promise<Validity> {
|
|
|
|
if (typeof value !== 'string' && typeof value !== 'number') {
|
|
return invalid('exists', { value, table, column });
|
|
}
|
|
|
|
const data = await db.findOne({
|
|
key: value
|
|
})
|
|
|
|
if (data !== null) {
|
|
return invalid('unique', { value, table, column });
|
|
}
|
|
}
|
|
}
|