Created
April 20, 2023 15:40
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refactor middleware validation from @lukinhas711
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| import { RequestHandler } from 'express'; | |
| import { ValidationError, ObjectSchema, Maybe, AnyObject } from 'yup'; | |
| import { StatusCodes } from 'http-status-codes'; | |
| type TProperty = 'body' | 'header' | 'params' | 'query'; | |
| type TGetSchema = <T extends Maybe<AnyObject>>(schema: ObjectSchema<T>) => ObjectSchema<any>; | |
| type TAllSchemas = Record<TProperty, ObjectSchema<any>>; | |
| type TGetAllSchemas = (getSchema: TGetSchema) => Partial<TAllSchemas>; | |
| type TValidation = (getAllSchemas: TGetAllSchemas) => RequestHandler; | |
| export const validation: TValidation = (getAllSchemas) => async (req, res, next) => { | |
| const schemas = getAllSchemas(schema => schema); | |
| const listErrors: Record<string, Record<string, string>> = {}; | |
| const schemaValidations = Object.entries(schemas).map(async ([key, schema]) => { | |
| try { | |
| await schema.validate(req[key as TProperty], { abortEarly: false }); | |
| } catch (err) { | |
| const yupError = err as ValidationError; | |
| const errors: Record<string, string> = {}; | |
| yupError.inner.forEach(error => { | |
| if (!error.path) return; | |
| errors[error.path] = error.message; | |
| }); | |
| listErrors[key] = errors; | |
| } | |
| }); | |
| await Promise.all(schemaValidations); | |
| if (Object.entries(listErrors).length === 0) { | |
| next(); | |
| } else { | |
| res.status(StatusCodes.BAD_REQUEST).json({ errors: listErrors }); | |
| } | |
| }; |
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