property renaming

src/de/mixin.ts

@@ -1,3 +1,4 @@
+import { Serde } from '../decorator'
 import { Constructor, staticImplements } from '../utils'
 import { GenericVisitor } from './generic'
 import { Deserialize, Deserializer } from './interface'
@@ -10,6 +11,7 @@ export function deserialize<T, C extends Constructor>(constructor: C) {
       return deserializer.deserializeAny(visitor)
     }
   }
+  Deserializable[Serde] = (constructor as any)[Serde]
 
   return Deserializable
 }

src/decorator.ts

@@ -2,7 +2,6 @@ import { ContainerOptions, PropertyOptions, SerdeOptions } from "./options"
 
 export const Serde = Symbol('Serde')
 
-
 function decorateContainer(options: ContainerOptions, constructor: any) {
   if (constructor[Serde] == null) {
     constructor[Serde] = new SerdeOptions(constructor, options)
@@ -14,11 +13,11 @@ function decorateContainer(options: ContainerOptions, constructor: any) {
 }
 
 function decorateProperty(options: PropertyOptions, target: any, property: PropertyKey) {
-  let constructor
+  let constructor: any
   if (typeof target === 'function') {
-    constructor = target.constructor
-  } else {
     constructor = target
+  } else {
+    constructor = target.constructor
   }
 
   if (constructor[Serde] == null) {
@@ -26,6 +25,7 @@ function decorateProperty(options: PropertyOptions, target: any, property: Prope
   }
 
   constructor[Serde].properties.set(property, options)
+  return target
 }
 
 

src/ser/impl.ts

@@ -1,15 +1,16 @@
 import { Serde } from '../decorator'
-import { SerdeOptions } from '../options'
+import { SerdeOptions, Stage } from '../options'
 import { ifNull, isFunction, isIterable, Nullable, orElse } from '../utils'
 import { IterableSerializer, ObjectSerializer, Serializable, Serializer } from './interface'
 
 const unhandledType = (serializer: any, value: any) => new TypeError(`'${serializer.constructor.name}' has no method for value type '${typeof value}'`)
 
-function serializeEntries<T, K extends Serializable, V extends Serializable, E extends Iterable<[K, V]>>(serializer: ObjectSerializer<T>, value: E) {
+function serializeEntries<T, K extends Serializable, V extends Serializable, E extends Iterable<[K, V]>>(serializer: ObjectSerializer<T>, value: E, options?: SerdeOptions) {
   let state
 
   for (const [key, val] of value) {
-    state = serializer.serializeKey(key)
+    const name = options?.getPropertyName(key as string, Stage.Serialize) ?? key
+    state = serializer.serializeKey(name)
     state = serializer.serializeValue(val)
   }
 
@@ -17,7 +18,7 @@ function serializeEntries<T, K extends Serializable, V extends Serializable, E e
 }
 
 function serializeObject<T, K extends PropertyKey, V extends Serializable, R extends Record<K, V>>(serializer: ObjectSerializer<T>, value: R, options?: SerdeOptions) {
-  return serializeEntries(serializer, Object.entries(value) as Iterable<[K, V]>)
+  return serializeEntries(serializer, Object.entries(value) as Iterable<[K, V]>, options)
 }
 
 function serializeIter<T, V extends Iterable<any>>(serializer: IterableSerializer<T>, value: V) {

src/ser/mixin.ts

@@ -1,9 +1,10 @@
+import { Serde } from '../decorator'
 import { Constructor } from '../utils'
 import { serializeWith } from './impl'
 import { isGenericSerializer, Serializer } from './interface'
 
 export function serialize<T extends Constructor>(constructor: T) {
-  return class Serializable extends constructor implements Serializable {
+  class Serializable extends constructor implements Serializable {
     static name = constructor.name
     serialize<U>(serializer: Serializer<U>): U {
       // shortcut for serializers with only the serializeAny method
@@ -14,4 +15,8 @@ export function serialize<T extends Constructor>(constructor: T) {
       }
     }
   }
+
+  Serializable[Serde] = (constructor as any)[Serde]
+
+  return Serializable
 }

tsconfig.json

@@ -15,8 +15,8 @@
     "lib": ["es2020", "dom"],                                        /* Specify a set of bundled library declaration files that describe the target runtime environment. */
     // "jsx": "preserve",                                /* Specify what JSX code is generated. */
     // "libReplacement": true,                           /* Enable lib replacement. */
-    // "experimentalDecorators": true,                   /* Enable experimental support for legacy experimental decorators. */
+    "experimentalDecorators": true,                   /* Enable experimental support for legacy experimental decorators. */
-    // "emitDecoratorMetadata": true,                    /* Emit design-type metadata for decorated declarations in source files. */
+    //"emitDecoratorMetadata": true,                    /* Emit design-type metadata for decorated declarations in source files. */
     // "jsxFactory": "",                                 /* Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h'. */
     // "jsxFragmentFactory": "",                         /* Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'. */
     // "jsxImportSource": "",                            /* Specify module specifier used to import the JSX factory functions when using 'jsx: react-jsx*'. */