type SKIP -> typeof SKIP

README.md

@@ -385,9 +385,9 @@ API
 
 ### _interface_ `PropSchema`<sub><a href="src/api/types.ts#L20">src</a></sub>
 
-#### property `serializer`: [PropSerializer](#type-propserializer--sourcepropertyvalue-any-key-string--number--symbol-sourceobject-any--any--skip-src)
+#### property `serializer`: [PropSerializer](#type-propserializer--sourcepropertyvalue-any-key-string--number--symbol-sourceobject-any--any--typeof-skip-src)
 
-#### property `deserializer`: [PropDeserializer](#type-propdeserializer--jsonvalue-any-callback-err-any-targetpropertyvalue-any--skip--void-context-context-currentpropertyvalue-any--void-src)
+#### property `deserializer`: [PropDeserializer](#type-propdeserializer--jsonvalue-any-callback-err-any-targetpropertyvalue-any--typeof-skip--void-context-context-currentpropertyvalue-any--void-src)
 
 #### property `beforeDeserialize`?: [BeforeDeserializeFunc](#type-beforedeserializefunc--callback-err-any-value-any--void-jsonvalue-any-jsonparentvalue-any-propnameorindex-string--number-context-context-propdef-propschema--void-src)
 
@@ -415,9 +415,9 @@ Filter properties to which this schema applies. Used with `ModelSchema.props["*"
 
 ### _type_ `PropDef` = [PropSchema](#interface-propschemasrc) | boolean | undefined <sub><a href="src/api/types.ts#L63">src</a></sub>
 
-### _type_ `PropDeserializer` = (_jsonValue_: any, _callback_: (_err_?: any, _targetPropertyValue_?: any | [SKIP](#const-skipsrc)) => void, _context_: [Context](typedoc-id-undefined), _currentPropertyValue_?: any) => void <sub><a href="src/api/types.ts#L14">src</a></sub>
+### _type_ `PropDeserializer` = (_jsonValue_: any, _callback_: (_err_?: any, _targetPropertyValue_?: any | typeof [SKIP](typedoc-id-undefined)) => void, _context_: [Context](typedoc-id-undefined), _currentPropertyValue_?: any) => void <sub><a href="src/api/types.ts#L14">src</a></sub>
 
-### _type_ `PropSerializer` = (_sourcePropertyValue_: any, _key_: string | number | symbol, _sourceObject_: any) => any | [SKIP](#const-skipsrc) <sub><a href="src/api/types.ts#L9">src</a></sub>
+### _type_ `PropSerializer` = (_sourcePropertyValue_: any, _key_: string | number | symbol, _sourceObject_: any) => any | typeof [SKIP](typedoc-id-undefined) <sub><a href="src/api/types.ts#L9">src</a></sub>
 
 ### _type_ `Props`&lt;T&gt; = { } <sub><a href="src/api/types.ts#L60">src</a></sub>
 
@@ -427,8 +427,6 @@ true is shorthand for primitive(). false/undefined will be ignored
 
 ### _type_ `RegisterFunction` = (_id_: any, _object_: any, _context_: [Context](typedoc-id-undefined)) => void <sub><a href="src/api/types.ts#L80">src</a></sub>
 
-### _type_ `SKIP` = typeof [SKIP](#const-skipsrc) <sub><a href="src/constants.ts#L37">src</a></sub>
-
 ### _const_ `SKIP`<sub><a href="src/constants.ts#L36">src</a></sub>
 
 If you want to skip serialization or deserialization, you can use SKIP.
@@ -508,7 +506,7 @@ const json = serialize(todoSchema, { title: 'Test', done: false })
 const todo = deserialize(todoSchema, json)
 ```
 
-### _function_ `custom`(_serializer_: [PropSerializer](#type-propserializer--sourcepropertyvalue-any-key-string--number--symbol-sourceobject-any--any--skip-src), _deserializer_: (_jsonValue_: any, _context_: any, _oldValue_: any) => any | [SKIP](#const-skipsrc), _additionalArgs_?: [AdditionalPropArgs](#interface-additionalpropargssrc)): [PropSchema](#interface-propschemasrc) <sub><a href="src/types/custom.ts#L63">src</a></sub>
+### _function_ `custom`(_serializer_: [PropSerializer](#type-propserializer--sourcepropertyvalue-any-key-string--number--symbol-sourceobject-any--any--typeof-skip-src), _deserializer_: (_jsonValue_: any, _context_: any, _oldValue_: any) => any | typeof [SKIP](typedoc-id-undefined), _additionalArgs_?: [AdditionalPropArgs](#interface-additionalpropargssrc)): [PropSchema](#interface-propschemasrc) <sub><a href="src/types/custom.ts#L63">src</a></sub>
 
 Can be used to create simple custom propSchema. Multiple things can be done inside of a custom propSchema, like deserializing and serializing other (polymorphic) objects, skipping the serialization of something or checking the context of the obj being (de)serialized.
 
@@ -549,7 +547,7 @@ deserialize(schemaWithAsyncProps, { "a": 6 }, (err, res) => {
 }
 ```
 
-### _function_ `custom`(_serializer_: [PropSerializer](#type-propserializer--sourcepropertyvalue-any-key-string--number--symbol-sourceobject-any--any--skip-src), _deserializer_: (_jsonValue_: any, _context_: any, _oldValue_: any, _callback_: (_err_: any, _result_: any | [SKIP](#const-skipsrc)) => void) => void, _additionalArgs_?: [AdditionalPropArgs](#interface-additionalpropargssrc)): [PropSchema](#interface-propschemasrc) <sub><a href="src/types/custom.ts#L68">src</a></sub>
+### _function_ `custom`(_serializer_: [PropSerializer](#type-propserializer--sourcepropertyvalue-any-key-string--number--symbol-sourceobject-any--any--typeof-skip-src), _deserializer_: (_jsonValue_: any, _context_: any, _oldValue_: any, _callback_: (_err_: any, _result_: any | typeof [SKIP](typedoc-id-undefined)) => void) => void, _additionalArgs_?: [AdditionalPropArgs](#interface-additionalpropargssrc)): [PropSchema](#interface-propschemasrc) <sub><a href="src/types/custom.ts#L68">src</a></sub>
 
 ### _function_ `date`(_additionalArgs_?: [AdditionalPropArgs](#interface-additionalpropargssrc)): [PropSchema](#interface-propschemasrc) <sub><a href="src/types/date.ts#L9">src</a></sub>
 

src/api/types.ts

@@ -10,10 +10,10 @@ export type PropSerializer = (
     sourcePropertyValue: any,
     key: string | number | symbol,
     sourceObject: any
-) => any | SKIP
+) => any | typeof SKIP
 export type PropDeserializer = (
     jsonValue: any,
-    callback: (err?: any, targetPropertyValue?: any | SKIP) => void,
+    callback: (err?: any, targetPropertyValue?: any | typeof SKIP) => void,
     context: Context,
     currentPropertyValue?: any
 ) => void

src/constants.ts

@@ -34,6 +34,5 @@ import primitive from "./types/primitive"
  * }
  */
 export const SKIP = typeof Symbol !== "undefined" ? Symbol("SKIP") : { SKIP: true }
-export type SKIP = typeof SKIP
 
 export const _defaultPrimitiveProp = primitive()

src/types/custom.ts

@@ -62,7 +62,7 @@ import { SKIP } from "../constants"
 // deserializer function.
 export default function custom(
     serializer: PropSerializer,
-    deserializer: (jsonValue: any, context: any, oldValue: any) => any | SKIP,
+    deserializer: (jsonValue: any, context: any, oldValue: any) => any | typeof SKIP,
     additionalArgs?: AdditionalPropArgs
 ): PropSchema
 export default function custom(
@@ -71,19 +71,19 @@ export default function custom(
         jsonValue: any,
         context: any,
         oldValue: any,
-        callback: (err: any, result: any | SKIP) => void
+        callback: (err: any, result: any | typeof SKIP) => void
     ) => void,
     additionalArgs?: AdditionalPropArgs
 ): PropSchema
 export default function custom(
     serializer: PropSerializer,
     deserializer:
-        | ((jsonValue: any, context: any, oldValue: any) => any | SKIP)
+        | ((jsonValue: any, context: any, oldValue: any) => any | typeof SKIP)
         | ((
               jsonValue: any,
               context: any,
               oldValue: any,
-              callback: (err: any, result: any | SKIP) => void
+              callback: (err: any, result: any | typeof SKIP) => void
           ) => void),
     additionalArgs?: AdditionalPropArgs
 ): PropSchema {