text: "use strict";
  var __assign = (this && this.__assign) || function () {
      __assign = Object.assign || function(t) {
          for (var s, i = 1, n = arguments.length; i < n; i++) {
              s = arguments[i];
              for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                  t[p] = s[p];
          }
          return t;
      };
      return __assign.apply(this, arguments);
  };
  var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
      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) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
          step((generator = generator.apply(thisArg, _arguments || [])).next());
      });
  };
  var __generator = (this && this.__generator) || function (thisArg, body) {
      var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
      return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
      function verb(n) { return function (v) { return step([n, v]); }; }
      function step(op) {
          if (f) throw new TypeError("Generator is already executing.");
          while (_) try {
              if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
              if (y = 0, t) op = [op[0] & 2, t.value];
              switch (op[0]) {
                  case 0: case 1: t = op; break;
                  case 4: _.label++; return { value: op[1], done: false };
                  case 5: _.label++; y = op[1]; op = [0]; continue;
                  case 7: op = _.ops.pop(); _.trys.pop(); continue;
                  default:
                      if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                      if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                      if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                      if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                      if (t[2]) _.ops.pop();
                      _.trys.pop(); continue;
              }
              op = body.call(thisArg, _);
          } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
          if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
      }
  };
  var _this = this;
  Object.defineProperty(exports, "__esModule", { value: true });
  var R = require("ramda");
  var collectionFunc = function (errors, obj, params) {
      return R.forEachObjIndexed(function (value, key) {
          R.forEach(R.when(function (k) { return R.isNil(R.path(key.split('.').concat(k))(obj)); }, function (k) { return errors.push(k); }))(value);
      })(params);
  };
  var composeErrMsg = R.compose(R.join(' '), R.map(function (k) { return "parameter \"" + k + "\" should not be null."; }));
  var defaultOptions = {
      errMsgFunc: composeErrMsg,
      responseFunc: function (errMsg) {
          return ({
              errCode: 400000,
              errMsg: errMsg
          });
      }
  };
  exports.setKoaRequiredOptions = function (options) {
      if (R.isNil(options) || R.isEmpty(options) || typeof options !== 'object')
          return;
      defaultOptions = __assign({}, defaultOptions, options);
  };
  exports.default = (function (params) {
      return function (_, __, descriptor) {
          var fn = descriptor.value;
          descriptor.value = function (ctx, next) { return __awaiter(_this, void 0, void 0, function () {
              var errors;
              return __generator(this, function (_a) {
                  switch (_a.label) {
                      case 0:
                          errors = [];
                          collectionFunc(errors, ctx, params);
                          if (!R.isEmpty(errors)) {
                              ctx.status = 400;
                              return [2 /*return*/, ctx.body = defaultOptions.responseFunc(defaultOptions.errMsgFunc(errors))];
                          }
                          return [4 /*yield*/, fn(ctx, next)];
                      case 1:
                          _a.sent();
                          return [2 /*return*/];
                  }
              });
          }); };
      };
  });
  