@sinclair/typebox
Version:
Json Schema Type Builder with Static Type Resolution for TypeScript
45 lines (44 loc) • 2.5 kB
JavaScript
import { IsObject, IsArray, IsNumber, IsUndefined } from '../value/guard/index.mjs';
export var TypeSystemPolicy;
(function (TypeSystemPolicy) {
// ------------------------------------------------------------------
// TypeSystemPolicy
// ------------------------------------------------------------------
/** Shared assertion routines used by the value and errors modules */
/** Sets whether TypeBox should assert optional properties using the TypeScript `exactOptionalPropertyTypes` assertion policy. The default is `false` */
TypeSystemPolicy.ExactOptionalPropertyTypes = false;
/** Sets whether arrays should be treated as a kind of objects. The default is `false` */
TypeSystemPolicy.AllowArrayObject = false;
/** Sets whether `NaN` or `Infinity` should be treated as valid numeric values. The default is `false` */
TypeSystemPolicy.AllowNaN = false;
/** Sets whether `null` should validate for void types. The default is `false` */
TypeSystemPolicy.AllowNullVoid = false;
/** Asserts this value using the ExactOptionalPropertyTypes policy */
function IsExactOptionalProperty(value, key) {
return TypeSystemPolicy.ExactOptionalPropertyTypes ? key in value : value[key] !== undefined;
}
TypeSystemPolicy.IsExactOptionalProperty = IsExactOptionalProperty;
/** Asserts this value using the AllowArrayObjects policy */
function IsObjectLike(value) {
const isObject = IsObject(value);
return TypeSystemPolicy.AllowArrayObject ? isObject : isObject && !IsArray(value);
}
TypeSystemPolicy.IsObjectLike = IsObjectLike;
/** Asserts this value as a record using the AllowArrayObjects policy */
function IsRecordLike(value) {
return IsObjectLike(value) && !(value instanceof Date) && !(value instanceof Uint8Array);
}
TypeSystemPolicy.IsRecordLike = IsRecordLike;
/** Asserts this value using the AllowNaN policy */
function IsNumberLike(value) {
const isNumber = IsNumber(value);
return TypeSystemPolicy.AllowNaN ? isNumber : isNumber && Number.isFinite(value);
}
TypeSystemPolicy.IsNumberLike = IsNumberLike;
/** Asserts this value using the AllowVoidNull policy */
function IsVoidLike(value) {
const isUndefined = IsUndefined(value);
return TypeSystemPolicy.AllowNullVoid ? isUndefined || value === null : isUndefined;
}
TypeSystemPolicy.IsVoidLike = IsVoidLike;
})(TypeSystemPolicy || (TypeSystemPolicy = {}));