@backland/schema
Version:
TypeScript schema declaration and validation library with static type inference
67 lines • 3.44 kB
JavaScript
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
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); }
import { assertEqual, getTypeName, simpleObjectClone, wrapError } from '@backland/utils';
import { CircularDeps } from './CircularDeps';
import { deleteCachedFieldInstance, parseField } from './ObjectType';
import { objectMetaFieldKey } from './fields/MetaFieldField';
export function extendType(input) {
var clone = wrapError(() => {
var parsed = parseField(input);
var withoutCache = deleteCachedFieldInstance(parsed);
return simpleObjectClone(withoutCache);
}, extendType);
var res = {
def() {
return clone;
},
extend(arg) {
var ext = typeof arg === 'function' ? arg(res.def()) : arg;
assertEqual(getTypeName(ext), 'Object');
return extendType(_objectSpread(_objectSpread({}, clone), arg));
},
graphType(name) {
var def = res.def();
return name ? CircularDeps.createType(name, def) : CircularDeps.createType(def);
},
objectType(name) {
var {
def,
type
} = res.def();
if (type !== 'object') {
throw new Error("Can't convert \"".concat(type, "\" to ObjectType."));
}
if (objectMetaFieldKey in def) {
delete def[objectMetaFieldKey];
}
return name ? CircularDeps.ObjectType.createObjectType(name, def) : CircularDeps.ObjectType.createObjectType(def);
},
optional() {
return extendType(_objectSpread(_objectSpread({}, clone), {}, {
optional: true
}));
},
required() {
return extendType(_objectSpread(_objectSpread({}, clone), {}, {
optional: false
}));
},
list() {
return extendType({
array: {
of: clone
}
});
},
single() {
return extendType(_objectSpread(_objectSpread({}, clone), {}, {
list: false
}));
}
};
return res;
}
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