@backland/schema
Version:
TypeScript schema declaration and validation library with static type inference
115 lines (113 loc) • 8.79 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.UnionField = void 0;
var _utils = require("@backland/utils");
var _CircularDeps = require("../CircularDeps");
var _FieldType2 = require("./FieldType");
function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it.return != null) it.return(); } finally { if (didErr) throw err; } } }; }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
var UnionField = /*#__PURE__*/function (_FieldType) {
_inherits(UnionField, _FieldType);
var _super = _createSuper(UnionField);
function UnionField(def) {
var _this;
_classCallCheck(this, UnionField);
_this = _super.call(this, {
def: def,
name: 'union'
});
_defineProperty(_assertThisInitialized(_this), "parse", void 0);
_defineProperty(_assertThisInitialized(_this), "utils", {
fieldTypes: []
});
var parseObjectField = _CircularDeps.CircularDeps.parseObjectField;
_this.utils.fieldTypes = def.map(function (el, index) {
try {
return parseObjectField("UnionItem_".concat(index), el, true);
} catch (e) {
var message = "Filed to parse type:";
message += "\n".concat((0, _utils.inspectObject)(el, {
tabSize: 2
}));
e.stack = message + '\n' + e.stack;
throw e;
}
});
var hasOptional = _this.utils.fieldTypes.some(function (el) {
return el.optional;
});
if (hasOptional) {
_this.toOptional();
}
_this.parse = _this.applyParser({
parse: function parse(input) {
if (input === undefined && _this.optional) return input;
var messages = [];
var objectErrors = [];
var _iterator = _createForOfIteratorHelper(_this.utils.fieldTypes),
_step;
try {
for (_iterator.s(); !(_step = _iterator.n()).done;) {
var parser = _step.value;
try {
return parser.parse(input);
} catch (e) {
messages.push("As ".concat(parser.typeName, " throws: ").concat(e.message));
if (parser.typeName === 'object' && (0, _utils.getTypeName)(input) === 'Object') {
objectErrors.push(e);
}
}
}
} catch (err) {
_iterator.e(err);
} finally {
_iterator.f();
}
if (objectErrors.length) {
throw objectErrors[0];
}
var expected = (0, _utils.uniq)(_this.utils.fieldTypes.map(function (el) {
return el.typeName;
})).join(' or ');
var errorMessage = "Expected value to match one of the following types: ".concat(expected, ".");
messages.forEach(function (err) {
return errorMessage += "\n- ".concat(err);
});
throw new Error(errorMessage);
}
});
return _this;
}
_createClass(UnionField, null, [{
key: "is",
value:
//
function is(item) {
var _item$utils;
return (item === null || item === void 0 ? void 0 : item.typeName) === 'union' && Array.isArray(item === null || item === void 0 ? void 0 : (_item$utils = item.utils) === null || _item$utils === void 0 ? void 0 : _item$utils.fieldTypes);
}
}]);
return UnionField;
}(_FieldType2.FieldType);
exports.UnionField = UnionField;
_defineProperty(UnionField, "create", function (def) {
return new UnionField(def);
});
//# sourceMappingURL=UnionField.js.map