@inv2/common
Version:
A common module for v2
74 lines (73 loc) • 3.04 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.JoiMWDecorator = exports.Validate = void 0;
const custom_error_1 = require("../../errors/custom-error");
const joi_1 = __importDefault(require("joi"));
const pick = (object, keys) => {
return keys.reduce((obj, key) => {
if (object && Object.prototype.hasOwnProperty.call(object, key)) {
// eslint-disable-next-line no-param-reassign
obj[key] = object[key];
}
return obj;
}, {});
};
const check = (schema, data) => {
const object = pick(data, Object.keys(schema));
return joi_1.default.compile(schema)
.prefs({ errors: { label: 'key' } })
.validate(object);
};
const Validate = (schema, data) => {
const { value, error } = check(schema, data);
if (error) {
const errorMessage = error.details
.map((details) => details.message)
.join(', ');
// throw new AppError(errorMessage, { status: 400, name: error.name });
return error;
}
return;
};
exports.Validate = Validate;
/**
*
* making use of typescript decorators here. the aim here is to
* validate requests to ensure they conform to the schema
*
*/
function JoiMWDecorator(schema) {
return (_target, _key, descriptor) => {
const originalMethod = descriptor.value;
descriptor.value = function (...args) {
return __awaiter(this, void 0, void 0, function* () {
const req = args[0];
const next = args[2];
const validSchema = pick(schema, ['params', 'query', 'body']);
const object = pick(req, Object.keys(validSchema));
const { value, error } = check(validSchema, object);
if (error) {
const errorMessage = error.details
.map((details) => details.message)
.join(', ');
return next(new custom_error_1.Exception({ code: 400, message: errorMessage }));
}
return originalMethod.apply(this, args);
});
};
return descriptor;
};
}
exports.JoiMWDecorator = JoiMWDecorator;