refactor for new architecture

dist/de/generic.d.ts

@@ -1,15 +0,0 @@
-import { Deserialize, Deserializer, IterableAccess, MapAccess, Visitor } from './interface';
-export declare class GenericSeed<T> implements Deserialize<T> {
-    static deserialize<T, D extends Deserializer>(deserializer: D): T;
-    deserialize<D extends Deserializer>(deserializer: D): T;
-}
-export declare class GenericVisitor<T> implements Visitor<T> {
-    visitString(value: string): T;
-    visitNumber(value: number): T;
-    visitBigInt(value: bigint): T;
-    visitBoolean(value: boolean): T;
-    visitSymbol(value: symbol): T;
-    visitNull(): T;
-    visitObject(access: MapAccess): T;
-    visitIterable(access: IterableAccess): T;
-}

dist/de/generic.js

@@ -1,103 +0,0 @@
-"use strict";
-var __esDecorate = (this && this.__esDecorate) || function (ctor, descriptorIn, decorators, contextIn, initializers, extraInitializers) {
-    function accept(f) { if (f !== void 0 && typeof f !== "function") throw new TypeError("Function expected"); return f; }
-    var kind = contextIn.kind, key = kind === "getter" ? "get" : kind === "setter" ? "set" : "value";
-    var target = !descriptorIn && ctor ? contextIn["static"] ? ctor : ctor.prototype : null;
-    var descriptor = descriptorIn || (target ? Object.getOwnPropertyDescriptor(target, contextIn.name) : {});
-    var _, done = false;
-    for (var i = decorators.length - 1; i >= 0; i--) {
-        var context = {};
-        for (var p in contextIn) context[p] = p === "access" ? {} : contextIn[p];
-        for (var p in contextIn.access) context.access[p] = contextIn.access[p];
-        context.addInitializer = function (f) { if (done) throw new TypeError("Cannot add initializers after decoration has completed"); extraInitializers.push(accept(f || null)); };
-        var result = (0, decorators[i])(kind === "accessor" ? { get: descriptor.get, set: descriptor.set } : descriptor[key], context);
-        if (kind === "accessor") {
-            if (result === void 0) continue;
-            if (result === null || typeof result !== "object") throw new TypeError("Object expected");
-            if (_ = accept(result.get)) descriptor.get = _;
-            if (_ = accept(result.set)) descriptor.set = _;
-            if (_ = accept(result.init)) initializers.unshift(_);
-        }
-        else if (_ = accept(result)) {
-            if (kind === "field") initializers.unshift(_);
-            else descriptor[key] = _;
-        }
-    }
-    if (target) Object.defineProperty(target, contextIn.name, descriptor);
-    done = true;
-};
-var __runInitializers = (this && this.__runInitializers) || function (thisArg, initializers, value) {
-    var useValue = arguments.length > 2;
-    for (var i = 0; i < initializers.length; i++) {
-        value = useValue ? initializers[i].call(thisArg, value) : initializers[i].call(thisArg);
-    }
-    return useValue ? value : void 0;
-};
-var __setFunctionName = (this && this.__setFunctionName) || function (f, name, prefix) {
-    if (typeof name === "symbol") name = name.description ? "[".concat(name.description, "]") : "";
-    return Object.defineProperty(f, "name", { configurable: true, value: prefix ? "".concat(prefix, " ", name) : name });
-};
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.GenericVisitor = exports.GenericSeed = void 0;
-const utils_1 = require("../utils");
-let GenericSeed = (() => {
-    let _classDecorators = [(0, utils_1.staticImplements)()];
-    let _classDescriptor;
-    let _classExtraInitializers = [];
-    let _classThis;
-    var GenericSeed = _classThis = class {
-        static deserialize(deserializer) {
-            return deserializer.deserializeAny(new GenericVisitor());
-        }
-        deserialize(deserializer) {
-            return GenericSeed.deserialize(deserializer);
-        }
-    };
-    __setFunctionName(_classThis, "GenericSeed");
-    (() => {
-        const _metadata = typeof Symbol === "function" && Symbol.metadata ? Object.create(null) : void 0;
-        __esDecorate(null, _classDescriptor = { value: _classThis }, _classDecorators, { kind: "class", name: _classThis.name, metadata: _metadata }, null, _classExtraInitializers);
-        GenericSeed = _classThis = _classDescriptor.value;
-        if (_metadata) Object.defineProperty(_classThis, Symbol.metadata, { enumerable: true, configurable: true, writable: true, value: _metadata });
-        __runInitializers(_classThis, _classExtraInitializers);
-    })();
-    return GenericSeed = _classThis;
-})();
-exports.GenericSeed = GenericSeed;
-class GenericVisitor {
-    visitString(value) {
-        return value;
-    }
-    visitNumber(value) {
-        return value;
-    }
-    visitBigInt(value) {
-        return value;
-    }
-    visitBoolean(value) {
-        return value;
-    }
-    visitSymbol(value) {
-        return value;
-    }
-    visitNull() {
-        return null;
-    }
-    visitObject(access) {
-        const result = {};
-        let entry;
-        while ((entry = access.nextEntry())) {
-            result[entry[0]] = entry[1];
-        }
-        return result;
-    }
-    visitIterable(access) {
-        const result = new Array(access.sizeHint());
-        let element;
-        while ((element = access.nextElement())) {
-            result.push(element);
-        }
-        return result;
-    }
-}
-exports.GenericVisitor = GenericVisitor;

dist/de/impl.d.ts

@@ -1,7 +1,107 @@
-import { SerdeOptions } from '../options';
+import { Registry } from '../registry';
-import { Deserialize, Deserializer } from './interface';
+import { Constructor } from '../utils';
-type DeserializeConstructor<T> = Deserialize<T> & {
+type Nullable<T> = T | undefined;
-    new (): Deserialize<T>;
+export declare class IterResult {
-};
+    static Next<T>(value: T): IteratorResult<T>;
-export declare function deserializeWith<T, D extends Deserializer, E extends DeserializeConstructor<T>>(deserializer: D, into: E, options: SerdeOptions): T;
+    static Done<T>(): IteratorResult<T>;
+}
+export interface IMapAccess {
+    nextKeySeed<T, K extends Deserialize>(seed: K): IteratorResult<T>;
+    nextValueSeed<T, V extends Deserialize>(seed: V): IteratorResult<T>;
+    nextEntrySeed<TK, TV, K extends Deserialize, V extends Deserialize>(kseed: K, vseed: V): IteratorResult<[TK, TV]>;
+    nextKey<T>(): IteratorResult<T>;
+    nextValue<V>(): IteratorResult<V>;
+    nextEntry<K, V>(): IteratorResult<[K, V]>;
+    sizeHint?(): Nullable<number>;
+}
+export declare abstract class MapAccess {
+    abstract nextKeySeed<T, K extends Deserialize>(seed: K): IteratorResult<T>;
+    abstract nextValueSeed<T, V extends Deserialize>(seed: V): IteratorResult<T>;
+    nextEntrySeed<TK, TV, K extends Deserialize, V extends Deserialize>(kseed: K, vseed: V): IteratorResult<[TK, TV]>;
+    abstract nextKey<T>(): IteratorResult<T>;
+    abstract nextValue<V>(): IteratorResult<V>;
+    nextEntry<K, V>(): IteratorResult<[K, V]>;
+}
+export interface IIterableAccess {
+    nextElement<T>(): IteratorResult<T>;
+    sizeHint?(): Nullable<number>;
+}
+export declare abstract class IterableAccess implements IIterableAccess {
+    abstract nextElement<T>(): IteratorResult<T>;
+}
+export interface IVisitor<T> {
+    visitBoolean(value: boolean): T;
+    visitNumber(value: number): T;
+    visitBigInt(value: bigint): T;
+    visitString(value: string): T;
+    visitSymbol(value: symbol): T;
+    visitNull(): T;
+    visitObject(access: IMapAccess): T;
+    visitIterable(access: IIterableAccess): T;
+}
+export declare class GenericSeed<T> {
+    readonly visitor: IVisitor<T>;
+    constructor(visitor?: IVisitor<T>);
+    static deserialize<T, D extends IDeserializer>(deserializer: D, visitor?: IVisitor<T>): T;
+    deserialize<D extends IDeserializer>(deserializer: D): T;
+}
+export declare class GenericVisitor<T> implements IVisitor<T> {
+    visitBoolean(value: boolean): T;
+    visitNumber(value: number): T;
+    visitBigInt(value: bigint): T;
+    visitString(value: string): T;
+    visitSymbol(value: symbol): T;
+    visitNull(): T;
+    visitObject(access: IMapAccess): T;
+    visitIterable(access: IIterableAccess): T;
+}
+export interface IDeserializer {
+    deserializeAny<T, V extends IVisitor<T>>(visitor: V): T;
+    deserializeBoolean<T, V extends IVisitor<T>>(visitor: V): T;
+    deserializeNumber<T, V extends IVisitor<T>>(visitor: V): T;
+    deserializeBigInt<T, V extends IVisitor<T>>(visitor: V): T;
+    deserializeString<T, V extends IVisitor<T>>(visitor: V): T;
+    deserializeSymbol<T, V extends IVisitor<T>>(visitor: V): T;
+    deserializeNull<T, V extends IVisitor<T>>(visitor: V): T;
+    deserializeObject<T, V extends IVisitor<T>>(visitor: V): T;
+    deserializeIterable<T, V extends IVisitor<T>>(visitor: V): T;
+    deserializeFunction<T, V extends IVisitor<T>>(visitor: V): T;
+}
+export declare class ForwardMapAccess extends MapAccess {
+    private readonly keys;
+    private readonly values;
+    private kindex;
+    private vindex;
+    constructor(keys: string[], values: any[]);
+    static fromObject(obj: object): ForwardMapAccess;
+    nextKeySeed<T, K extends Deserialize>(_seed: K): IteratorResult<T>;
+    nextValueSeed<T, V extends Deserialize>(_seed: V): IteratorResult<T>;
+    nextKey<T>(): IteratorResult<T>;
+    nextValue<V>(): IteratorResult<V>;
+}
+export declare class ForwardIterableAccess extends IterableAccess {
+    private readonly items;
+    private index;
+    constructor(items: any[]);
+    nextElement<T>(): IteratorResult<T>;
+}
+export declare class Forward implements IDeserializer {
+    private readonly value;
+    constructor(value: any);
+    static with(value: any): Forward;
+    deserializeAny<T, V extends IVisitor<T>>(_visitor: V): T;
+    deserializeBoolean<T, V extends IVisitor<T>>(visitor: V): T;
+    deserializeNumber<T, V extends IVisitor<T>>(visitor: V): T;
+    deserializeBigInt<T, V extends IVisitor<T>>(visitor: V): T;
+    deserializeString<T, V extends IVisitor<T>>(visitor: V): T;
+    deserializeSymbol<T, V extends IVisitor<T>>(visitor: V): T;
+    deserializeNull<T, V extends IVisitor<T>>(visitor: V): T;
+    deserializeObject<T, V extends IVisitor<T>>(visitor: V): T;
+    deserializeIterable<T, V extends IVisitor<T>>(visitor: V): T;
+    deserializeFunction<T, V extends IVisitor<T>>(_visitor: V): T;
+}
+export interface Deserialize {
+    <T>(deserializer: IDeserializer): T;
+}
+export declare function deserialize<T, D extends IDeserializer>(deserializer: D, into: Constructor<T>, registry?: Registry): T;
 export {};

dist/de/impl.js

@@ -1,21 +1,233 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.deserializeWith = deserializeWith;
+exports.Forward = exports.ForwardIterableAccess = exports.ForwardMapAccess = exports.GenericVisitor = exports.GenericSeed = exports.IterableAccess = exports.MapAccess = exports.IterResult = void 0;
-const options_1 = require("../options");
+exports.deserialize = deserialize;
-const generic_1 = require("./generic");
+const registry_1 = require("../registry");
-function deserializeWith(deserializer, into, options) {
+class IterResult {
-    const visitor = new generic_1.GenericVisitor();
+    static Next(value) {
-    const obj = deserializer.deserializeObject(visitor);
+        return { done: false, value };
-    const target = new into();
-    const newObject = {};
-    for (const property in target) {
-        const name = options.getPropertyName(property, options_1.Stage.Deserialize);
-        const value = obj[name] || options.getDefault(property);
-        newObject[property] = value;
-        delete obj[name];
     }
-    if (options.options.denyUnknownFields && Object.keys(obj).length > 0) {
+    static Done() {
-        throw new TypeError(`Unexpected fields: ${Object.keys(obj).join(', ')}`);
+        return { done: true, value: undefined };
+    }
+}
+exports.IterResult = IterResult;
+class MapAccess {
+    nextEntrySeed(kseed, vseed) {
+        const key = this.nextKeySeed(kseed);
+        if (!key.done) {
+            const value = this.nextValueSeed(vseed);
+            if (!value.done) {
+                return IterResult.Next([key.value, value.value]);
+            }
+        }
+        return IterResult.Done();
+    }
+    nextEntry() {
+        const key = this.nextKey();
+        if (!key.done) {
+            const value = this.nextValue();
+            if (!value.done) {
+                return IterResult.Next([key.value, value.value]);
+            }
+        }
+        return IterResult.Done();
+    }
+}
+exports.MapAccess = MapAccess;
+class IterableAccess {
+}
+exports.IterableAccess = IterableAccess;
+class GenericSeed {
+    constructor(visitor = new GenericVisitor()) {
+        Object.defineProperty(this, "visitor", {
+            enumerable: true,
+            configurable: true,
+            writable: true,
+            value: void 0
+        });
+        this.visitor = visitor;
+    }
+    static deserialize(deserializer, visitor = new GenericVisitor()) {
+        return deserializer.deserializeAny(visitor);
+    }
+    deserialize(deserializer) {
+        return GenericSeed.deserialize(deserializer, this.visitor);
+    }
+}
+exports.GenericSeed = GenericSeed;
+class GenericVisitor {
+    visitBoolean(value) {
+        return value;
+    }
+    visitNumber(value) {
+        return value;
+    }
+    visitBigInt(value) {
+        return value;
+    }
+    visitString(value) {
+        return value;
+    }
+    visitSymbol(value) {
+        return value;
+    }
+    visitNull() {
+        return null;
+    }
+    visitObject(access) {
+        const result = [];
+        let entry;
+        while ((entry = access.nextEntry()) && !entry.done) {
+            result.push(entry.value);
+        }
+        return Object.fromEntries(result);
+    }
+    visitIterable(access) {
+        const result = [];
+        let element;
+        while ((element = access.nextElement())) {
+            result.push(element);
+        }
+        return result;
+    }
+}
+exports.GenericVisitor = GenericVisitor;
+class ForwardMapAccess extends MapAccess {
+    constructor(keys, values) {
+        super();
+        Object.defineProperty(this, "keys", {
+            enumerable: true,
+            configurable: true,
+            writable: true,
+            value: void 0
+        });
+        Object.defineProperty(this, "values", {
+            enumerable: true,
+            configurable: true,
+            writable: true,
+            value: void 0
+        });
+        Object.defineProperty(this, "kindex", {
+            enumerable: true,
+            configurable: true,
+            writable: true,
+            value: 0
+        });
+        Object.defineProperty(this, "vindex", {
+            enumerable: true,
+            configurable: true,
+            writable: true,
+            value: 0
+        });
+        this.keys = keys;
+        this.values = values;
+    }
+    static fromObject(obj) {
+        return new ForwardMapAccess(Object.keys(obj), Object.values(obj));
+    }
+    nextKeySeed(_seed) {
+        return this.nextKey();
+    }
+    nextValueSeed(_seed) {
+        return this.nextValue();
+    }
+    nextKey() {
+        if (this.kindex < this.keys.length) {
+            return IterResult.Next(this.keys[this.kindex++]);
+        }
+        else {
+            return IterResult.Done();
+        }
+    }
+    nextValue() {
+        if (this.vindex < this.values.length) {
+            return IterResult.Next(this.values[this.vindex++]);
+        }
+        else {
+            return IterResult.Done();
+        }
+    }
+}
+exports.ForwardMapAccess = ForwardMapAccess;
+class ForwardIterableAccess extends IterableAccess {
+    constructor(items) {
+        super();
+        Object.defineProperty(this, "items", {
+            enumerable: true,
+            configurable: true,
+            writable: true,
+            value: void 0
+        });
+        Object.defineProperty(this, "index", {
+            enumerable: true,
+            configurable: true,
+            writable: true,
+            value: 0
+        });
+        this.items = items;
+    }
+    nextElement() {
+        if (this.index < this.items.length) {
+            return IterResult.Next(this.items[this.index++]);
+        }
+        else {
+            return IterResult.Done();
+        }
+    }
+}
+exports.ForwardIterableAccess = ForwardIterableAccess;
+class Forward {
+    constructor(value) {
+        Object.defineProperty(this, "value", {
+            enumerable: true,
+            configurable: true,
+            writable: true,
+            value: void 0
+        });
+        this.value = value;
+    }
+    static with(value) {
+        return new this(value);
+    }
+    deserializeAny(_visitor) {
+        throw new Error("Can't forward to deserializeAny");
+    }
+    deserializeBoolean(visitor) {
+        return visitor.visitBoolean(this.value);
+    }
+    deserializeNumber(visitor) {
+        return visitor.visitNumber(this.value);
+    }
+    deserializeBigInt(visitor) {
+        return visitor.visitBigInt(this.value);
+    }
+    deserializeString(visitor) {
+        return visitor.visitString(this.value);
+    }
+    deserializeSymbol(visitor) {
+        return visitor.visitSymbol(this.value);
+    }
+    deserializeNull(visitor) {
+        return visitor.visitNull();
+    }
+    deserializeObject(visitor) {
+        return visitor.visitObject(ForwardMapAccess.fromObject(this.value));
+    }
+    deserializeIterable(visitor) {
+        return visitor.visitIterable(new ForwardIterableAccess(this.value));
+    }
+    deserializeFunction(_visitor) {
+        throw new Error('Method not implemented.');
+    }
+}
+exports.Forward = Forward;
+function deserialize(deserializer, into, registry = registry_1.GlobalRegistry) {
+    const de = registry.deserializers.get(into);
+    if (de == null) {
+        throw new ReferenceError(`No deserializer for ${into.name}`);
+    }
+    else {
+        return de(deserializer);
     }
-    return Object.assign(target, newObject);
 }

dist/de/index.d.ts

@@ -1,3 +0,0 @@
-export * from './interface';
-export * from './generic';
-export * from './mixin';

dist/de/index.js

@@ -1,19 +0,0 @@
-"use strict";
-var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
-}) : (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    o[k2] = m[k];
-}));
-var __exportStar = (this && this.__exportStar) || function(m, exports) {
-    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
-};
-Object.defineProperty(exports, "__esModule", { value: true });
-__exportStar(require("./interface"), exports);
-__exportStar(require("./generic"), exports);
-__exportStar(require("./mixin"), exports);

dist/de/interface.d.ts

@@ -1,52 +0,0 @@
-import { Nullable } from '../utils';
-export interface MapAccess {
-    nextKeySeed<T, K extends Deserialize<T>>(seed: K): Nullable<T>;
-    nextValueSeed<T, V extends Deserialize<T>>(seed: V): Nullable<T>;
-    nextEntrySeed<TK, TV, K extends Deserialize<TK>, V extends Deserialize<TV>>(kseed: K, vseed: V): Nullable<[TK, TV]>;
-    nextKey<T>(): Nullable<T>;
-    nextValue<T>(): Nullable<T>;
-    nextEntry<K, V>(): Nullable<[K, V]>;
-}
-export declare abstract class DefaultMapAccessImpl implements MapAccess {
-    abstract nextKeySeed<T, K extends Deserialize<T>>(seed: K): Nullable<T>;
-    abstract nextValueSeed<T, V extends Deserialize<T>>(seed: V): Nullable<T>;
-    nextEntrySeed<TK, TV, K extends Deserialize<TK>, V extends Deserialize<TV>>(kseed: K, vseed: V): Nullable<[TK, TV]>;
-    nextKey<T>(): Nullable<T>;
-    nextValue<T>(): Nullable<T>;
-    nextEntry<K, V>(): Nullable<[K, V]>;
-}
-export interface IterableAccess {
-    nextElementSeed<T, I extends Deserialize<T>>(seed: I): Nullable<T>;
-    nextElement<T>(): Nullable<T>;
-    sizeHint(): number;
-}
-export declare abstract class DefaultIterableAccessImpl implements IterableAccess {
-    abstract nextElementSeed<T, I extends Deserialize<T>>(seed: I): Nullable<T>;
-    nextElement<T>(): Nullable<T>;
-    sizeHint(): number;
-}
-export interface Visitor<T> {
-    visitString(value: string): T;
-    visitNumber(value: number): T;
-    visitBigInt(value: bigint): T;
-    visitBoolean(value: boolean): T;
-    visitSymbol(value: symbol): T;
-    visitNull(): T;
-    visitObject(value: MapAccess): T;
-    visitIterable?(value: IterableAccess): T;
-}
-export interface Deserializer {
-    deserializeAny<T, V extends Visitor<T>>(visitor: V): T;
-    deserializeString<T, V extends Visitor<T>>(visitor: V): T;
-    deserializeNumber<T, V extends Visitor<T>>(visitor: V): T;
-    deserializeBigInt<T, V extends Visitor<T>>(visitor: V): T;
-    deserializeBoolean<T, V extends Visitor<T>>(visitor: V): T;
-    deserializeSymbol<T, V extends Visitor<T>>(visitor: V): T;
-    deserializeNull<T, V extends Visitor<T>>(visitor: V): T;
-    deserializeObject<T, V extends Visitor<T>>(visitor: V): T;
-    deserializeClass<T, V extends Visitor<T>>(name: string, fields: string[], visitor: V): T;
-    deserializeIterable<T, V extends Visitor<T>>(visitor: V): T;
-}
-export interface Deserialize<T> {
-    deserialize<D extends Deserializer>(deserializer: D): T;
-}

dist/de/interface.js

@@ -1,32 +0,0 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.DefaultIterableAccessImpl = exports.DefaultMapAccessImpl = void 0;
-const generic_1 = require("./generic");
-class DefaultMapAccessImpl {
-    nextEntrySeed(kseed, vseed) {
-        const key = this.nextKeySeed(kseed);
-        if (key !== undefined) {
-            const value = this.nextValueSeed(vseed);
-            if (value !== undefined) {
-                return [key, value];
-            }
-        }
-    }
-    nextKey() {
-        return this.nextValueSeed((generic_1.GenericSeed));
-    }
-    nextValue() {
-        return this.nextValueSeed((generic_1.GenericSeed));
-    }
-    nextEntry() {
-        return this.nextEntrySeed((generic_1.GenericSeed), (generic_1.GenericSeed));
-    }
-}
-exports.DefaultMapAccessImpl = DefaultMapAccessImpl;
-class DefaultIterableAccessImpl {
-    nextElement() {
-        return this.nextElementSeed((generic_1.GenericSeed));
-    }
-    sizeHint() { return 0; }
-}
-exports.DefaultIterableAccessImpl = DefaultIterableAccessImpl;

dist/de/mixin.d.ts

@@ -1,9 +0,0 @@
-import { Constructor } from '../utils';
-import { Deserializer } from './interface';
-export declare function deserialize<T, C extends Constructor>(constructor: C): {
-    new (...args: any[]): {
-        [x: string]: any;
-    };
-    name: string;
-    deserialize<D extends Deserializer>(deserializer: D): T;
-} & C;

dist/de/mixin.js

@@ -1,76 +0,0 @@
-"use strict";
-var __esDecorate = (this && this.__esDecorate) || function (ctor, descriptorIn, decorators, contextIn, initializers, extraInitializers) {
-    function accept(f) { if (f !== void 0 && typeof f !== "function") throw new TypeError("Function expected"); return f; }
-    var kind = contextIn.kind, key = kind === "getter" ? "get" : kind === "setter" ? "set" : "value";
-    var target = !descriptorIn && ctor ? contextIn["static"] ? ctor : ctor.prototype : null;
-    var descriptor = descriptorIn || (target ? Object.getOwnPropertyDescriptor(target, contextIn.name) : {});
-    var _, done = false;
-    for (var i = decorators.length - 1; i >= 0; i--) {
-        var context = {};
-        for (var p in contextIn) context[p] = p === "access" ? {} : contextIn[p];
-        for (var p in contextIn.access) context.access[p] = contextIn.access[p];
-        context.addInitializer = function (f) { if (done) throw new TypeError("Cannot add initializers after decoration has completed"); extraInitializers.push(accept(f || null)); };
-        var result = (0, decorators[i])(kind === "accessor" ? { get: descriptor.get, set: descriptor.set } : descriptor[key], context);
-        if (kind === "accessor") {
-            if (result === void 0) continue;
-            if (result === null || typeof result !== "object") throw new TypeError("Object expected");
-            if (_ = accept(result.get)) descriptor.get = _;
-            if (_ = accept(result.set)) descriptor.set = _;
-            if (_ = accept(result.init)) initializers.unshift(_);
-        }
-        else if (_ = accept(result)) {
-            if (kind === "field") initializers.unshift(_);
-            else descriptor[key] = _;
-        }
-    }
-    if (target) Object.defineProperty(target, contextIn.name, descriptor);
-    done = true;
-};
-var __runInitializers = (this && this.__runInitializers) || function (thisArg, initializers, value) {
-    var useValue = arguments.length > 2;
-    for (var i = 0; i < initializers.length; i++) {
-        value = useValue ? initializers[i].call(thisArg, value) : initializers[i].call(thisArg);
-    }
-    return useValue ? value : void 0;
-};
-var __setFunctionName = (this && this.__setFunctionName) || function (f, name, prefix) {
-    if (typeof name === "symbol") name = name.description ? "[".concat(name.description, "]") : "";
-    return Object.defineProperty(f, "name", { configurable: true, value: prefix ? "".concat(prefix, " ", name) : name });
-};
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.deserialize = deserialize;
-const utils_1 = require("../utils");
-const impl_1 = require("./impl");
-function deserialize(constructor) {
-    let Deserializable = (() => {
-        let _classDecorators = [(0, utils_1.staticImplements)()];
-        let _classDescriptor;
-        let _classExtraInitializers = [];
-        let _classThis;
-        let _classSuper = constructor;
-        var Deserializable = _classThis = class extends _classSuper {
-            static deserialize(deserializer) {
-                return (0, impl_1.deserializeWith)(deserializer, this, constructor[Symbol.metadata]);
-            }
-        };
-        __setFunctionName(_classThis, "Deserializable");
-        (() => {
-            var _a;
-            const _metadata = typeof Symbol === "function" && Symbol.metadata ? Object.create((_a = _classSuper[Symbol.metadata]) !== null && _a !== void 0 ? _a : null) : void 0;
-            __esDecorate(null, _classDescriptor = { value: _classThis }, _classDecorators, { kind: "class", name: _classThis.name, metadata: _metadata }, null, _classExtraInitializers);
-            Deserializable = _classThis = _classDescriptor.value;
-            if (_metadata) Object.defineProperty(_classThis, Symbol.metadata, { enumerable: true, configurable: true, writable: true, value: _metadata });
-        })();
-        Object.defineProperty(_classThis, "name", {
-            enumerable: true,
-            configurable: true,
-            writable: true,
-            value: constructor.name
-        });
-        (() => {
-            __runInitializers(_classThis, _classExtraInitializers);
-        })();
-        return Deserializable = _classThis;
-    })();
-    return Deserializable;
-}

dist/decorator.d.ts

@@ -1,4 +0,0 @@
-import { ContainerOptions, PropertyOptions } from './options';
-import { Registry } from './registry';
-export declare function serde(options: ContainerOptions | PropertyOptions): (target: any, context: any) => void;
-export declare function register(registry?: Registry): (target: any, _context: any) => void;

dist/decorator.js

@@ -1,33 +0,0 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.serde = serde;
-exports.register = register;
-const options_1 = require("./options");
-const registry_1 = require("./registry");
-function decorateContainer(target, context, options) {
-    const meta = context.metadata;
-    const serde = (meta.serde || new options_1.SerdeOptions(target));
-    serde.options = options;
-    meta.serde = serde;
-}
-function decorateProperty(target, context, options) {
-    const meta = context.metadata;
-    const serde = (meta.serde || new options_1.SerdeOptions(target));
-    serde.properties.set(context, options);
-    meta.serde = serde;
-}
-function serde(options) {
-    return function (target, context) {
-        if (context != null) {
-            decorateProperty(target, context, options);
-        }
-        else {
-            decorateContainer(target, context, options);
-        }
-    };
-}
-function register(registry = registry_1.GlobalRegistry) {
-    return function (target, _context) {
-        registry.add(target);
-    };
-}

dist/index.d.ts

@@ -1,6 +1,5 @@
-export * as ser from './ser/index';
+export * as ser from './ser/impl';
-export * as de from './de/index';
+export * as de from './de/impl';
 export * from './case';
 export * from './registry';
-export * from './decorator';
+export * from './utils';
-export * from './options';

dist/index.js

@@ -37,9 +37,8 @@ var __exportStar = (this && this.__exportStar) || function(m, exports) {
 };
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.de = exports.ser = void 0;
-exports.ser = __importStar(require("./ser/index"));
+exports.ser = __importStar(require("./ser/impl"));
-exports.de = __importStar(require("./de/index"));
+exports.de = __importStar(require("./de/impl"));
 __exportStar(require("./case"), exports);
 __exportStar(require("./registry"), exports);
-__exportStar(require("./decorator"), exports);
+__exportStar(require("./utils"), exports);
-__exportStar(require("./options"), exports);

dist/options.d.ts

@@ -1,63 +0,0 @@
-import { CaseConvention } from './case';
-import { Deserializer } from './de';
-import { Serializer } from './ser';
-import { Registry } from './registry';
-export interface RenameOptions {
-    serialize?: string;
-    deserialize?: string;
-}
-export interface RenameAllOptions {
-    serialize?: CaseConvention;
-    deserialize?: CaseConvention;
-}
-export interface ContainerOptions {
-    default?: () => any;
-    denyUnknownFields?: boolean;
-    expecting?: string;
-    rename?: RenameOptions | string;
-    renameAll?: RenameAllOptions | CaseConvention;
-    registry?: Registry;
-    tag?: string;
-    content?: string;
-    untagged?: boolean;
-}
-export interface ConditionalSkipOptions {
-    if: (value: any) => boolean;
-}
-export interface SkipOptions {
-    serializing?: ConditionalSkipOptions | boolean;
-    deserializing?: ConditionalSkipOptions | boolean;
-}
-export type CustomSerializer = <T, V, S extends Serializer<T>>(value: V, serializer: S) => T;
-export type CustomDeserializer = <T, D extends Deserializer>(deserializer: D) => T;
-export interface PropertyOptions {
-    alias?: string;
-    default?: () => any;
-    flatten?: boolean;
-    rename?: RenameOptions | string;
-    skip?: SkipOptions | ConditionalSkipOptions | boolean;
-}
-export declare const Stage: Readonly<{
-    readonly Serialize: 0;
-    readonly Deserialize: 1;
-}>;
-export type Stage = typeof Stage[keyof typeof Stage];
-export declare class SerdeOptions {
-    private readonly target;
-    readonly options: ContainerOptions;
-    readonly properties: Map<string, PropertyOptions>;
-    get registry(): Registry;
-    constructor(target: any, options?: ContainerOptions, properties?: Map<string, PropertyOptions>);
-    static from(target: any): SerdeOptions;
-    getClassName(stage: Stage): any;
-    private getPropertyRename;
-    private getPropertyCase;
-    getPropertyName(property: string, stage: Stage): string;
-    getSerializationName(property: string): string;
-    getDeserializationName(property: string): string;
-    getDefault(property: string): any;
-    private isConditionalSkip;
-    shouldSkip(property: string, value: any, stage: Stage): boolean;
-    shouldSkipSerializing(property: string, value: any): boolean;
-    shouldSkipDeserializing(property: string, value: any): boolean;
-}

dist/options.js

@@ -1,156 +0,0 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.SerdeOptions = exports.Stage = void 0;
-const case_1 = require("./case");
-const utils_1 = require("./utils");
-const registry_1 = require("./registry");
-exports.Stage = Object.freeze({
-    Serialize: 0,
-    Deserialize: 1
-});
-class SerdeOptions {
-    get registry() {
-        return this.options.registry || registry_1.GlobalRegistry;
-    }
-    constructor(target, options = {}, properties = new Map()) {
-        Object.defineProperty(this, "target", {
-            enumerable: true,
-            configurable: true,
-            writable: true,
-            value: void 0
-        });
-        Object.defineProperty(this, "options", {
-            enumerable: true,
-            configurable: true,
-            writable: true,
-            value: void 0
-        });
-        Object.defineProperty(this, "properties", {
-            enumerable: true,
-            configurable: true,
-            writable: true,
-            value: void 0
-        });
-        this.target = target;
-        this.options = options;
-        this.properties = properties;
-    }
-    static from(target) {
-        return new this(target);
-    }
-    getClassName(stage) {
-        var _a, _b;
-        if ((0, utils_1.isString)(this.options.rename)) {
-            return this.options.rename;
-        }
-        else if (stage === exports.Stage.Serialize && (0, utils_1.isString)((_a = this.options.rename) === null || _a === void 0 ? void 0 : _a.serialize)) {
-            return this.options.rename.serialize;
-        }
-        else if (stage === exports.Stage.Deserialize && (0, utils_1.isString)((_b = this.options.rename) === null || _b === void 0 ? void 0 : _b.deserialize)) {
-            return this.options.rename.deserialize;
-        }
-        else {
-            return this.target.constructor.name;
-        }
-    }
-    getPropertyRename(property, stage, options) {
-        var _a, _b;
-        if (options != null) {
-            if ((0, utils_1.isString)(options.rename)) {
-                return options.rename;
-            }
-            else if (stage === exports.Stage.Serialize && (0, utils_1.isString)((_a = options.rename) === null || _a === void 0 ? void 0 : _a.serialize)) {
-                return options.rename.serialize;
-            }
-            else if (stage === exports.Stage.Deserialize && (0, utils_1.isString)((_b = options.rename) === null || _b === void 0 ? void 0 : _b.deserialize)) {
-                return options.rename.deserialize;
-            }
-        }
-        return property;
-    }
-    getPropertyCase(name, stage) {
-        var _a, _b;
-        if ((0, utils_1.isNumber)(this.options.renameAll)) {
-            return (0, case_1.convertCase)(name, this.options.renameAll);
-        }
-        else if (stage === exports.Stage.Serialize && (0, utils_1.isNumber)((_a = this.options.renameAll) === null || _a === void 0 ? void 0 : _a.serialize)) {
-            return (0, case_1.convertCase)(name, this.options.renameAll.serialize);
-        }
-        else if (stage === exports.Stage.Deserialize && (0, utils_1.isNumber)((_b = this.options.renameAll) === null || _b === void 0 ? void 0 : _b.deserialize)) {
-            return (0, case_1.convertCase)(name, this.options.renameAll.deserialize);
-        }
-        else {
-            return name;
-        }
-    }
-    getPropertyName(property, stage) {
-        const options = this.properties.get(property);
-        const name = options != null ? this.getPropertyRename(property, stage, options) : property;
-        return this.getPropertyCase(name, stage);
-    }
-    getSerializationName(property) {
-        return this.getPropertyName(property, exports.Stage.Serialize);
-    }
-    getDeserializationName(property) {
-        return this.getPropertyName(property, exports.Stage.Deserialize);
-    }
-    getDefault(property) {
-        const options = this.properties.get(property);
-        if (options && (0, utils_1.isFunction)(options.default)) {
-            return options.default();
-        }
-        else if ((0, utils_1.isFunction)(this.options.default)) {
-            return this.options.default();
-        }
-    }
-    //getCustomImpl(property: string, stage: Stage) {
-    //  const options = this.properties.get(property)
-    //  if (options != null) {
-    //    if (stage === Stage.Serialize && isFunction(options.serializeWith)) {
-    //      return options.serializeWith
-    //    } else if (stage === Stage.Deserialize && isFunction(options.deserializeWith)) {
-    //      return options.deserializeWith
-    //    }
-    //  }
-    //}
-    //getSerializer(property: string): Nullable<CustomSerializer> {
-    //  return this.getCustomImpl(property, Stage.Serialize) as CustomSerializer
-    //}
-    //getDeserializer(property: string): Nullable<CustomDeserializer> {
-    //  return this.getCustomImpl(property, Stage.Deserialize) as CustomDeserializer
-    //}
-    isConditionalSkip(skip) {
-        return 'if' in skip && (0, utils_1.isFunction)(skip.if);
-    }
-    shouldSkip(property, value, stage) {
-        const options = this.properties.get(property);
-        if (options != null && options.skip != null) {
-            if (typeof options.skip === 'boolean') {
-                return options.skip;
-            }
-            else if (this.isConditionalSkip(options.skip)) {
-                return options.skip.if(value);
-            }
-            else if (stage === exports.Stage.Serialize && typeof options.skip.serializing === 'boolean') {
-                return options.skip.serializing;
-            }
-            else if (stage === exports.Stage.Serialize && this.isConditionalSkip(options.skip.serializing)) {
-                return options.skip.serializing.if(value);
-            }
-            else if (stage === exports.Stage.Deserialize && typeof options.skip.deserializing === 'boolean') {
-                return options.skip.deserializing;
-            }
-            else if (stage === exports.Stage.Deserialize && this.isConditionalSkip(options.skip.deserializing)) {
-                return options.skip.deserializing.if(value);
-            }
-        }
-        return false;
-    }
-    shouldSkipSerializing(property, value) {
-        return this.shouldSkip(property, value, exports.Stage.Serialize);
-    }
-    shouldSkipDeserializing(property, value) {
-        return this.shouldSkip(property, value, exports.Stage.Deserialize);
-    }
-}
-exports.SerdeOptions = SerdeOptions;

dist/registry.d.ts

@@ -1,7 +1,11 @@
-import { Constructor } from './utils';
+import { Deserialize } from './de/impl';
+import { Serialize } from './ser/impl';
 export declare class Registry {
-    registeredClasses: Map<string, Constructor>;
+    serializers: Map<Function, Serialize<any>>;
-    add(ctor: Constructor, key?: string): void;
+    deserializers: Map<Function, Deserialize>;
-    get(name: string): Constructor | undefined;
+    registerSerializer<T>(ctor: Function, serialize: Serialize<T>): void;
+    registerDeserializer(ctor: Function, deserialize: Deserialize): void;
 }
 export declare const GlobalRegistry: Registry;
+export declare const registerSerializer: <T>(ctor: Function, serialize: Serialize<T>) => void;
+export declare const registerDeserializer: (ctor: Function, deserialize: Deserialize) => void;

dist/registry.js

@@ -1,21 +1,29 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.GlobalRegistry = exports.Registry = void 0;
+exports.registerDeserializer = exports.registerSerializer = exports.GlobalRegistry = exports.Registry = void 0;
 class Registry {
     constructor() {
-        Object.defineProperty(this, "registeredClasses", {
+        Object.defineProperty(this, "serializers", {
+            enumerable: true,
+            configurable: true,
+            writable: true,
+            value: new Map()
+        });
+        Object.defineProperty(this, "deserializers", {
             enumerable: true,
             configurable: true,
             writable: true,
             value: new Map()
         });
     }
-    add(ctor, key = ctor.name) {
+    registerSerializer(ctor, serialize) {
-        this.registeredClasses.set(key, ctor);
+        this.serializers.set(ctor, serialize);
     }
-    get(name) {
+    registerDeserializer(ctor, deserialize) {
-        return this.registeredClasses.get(name);
+        this.deserializers.set(ctor, deserialize);
     }
 }
 exports.Registry = Registry;
 exports.GlobalRegistry = new Registry();
+exports.registerSerializer = exports.GlobalRegistry.registerSerializer.bind(exports.GlobalRegistry);
+exports.registerDeserializer = exports.GlobalRegistry.registerDeserializer.bind(exports.GlobalRegistry);

dist/ser/impl.d.ts

@@ -1,4 +1,46 @@
-import { Serializable, Serializer } from './interface';
+export interface ISerializeObject<T> {
-import { SerdeOptions } from '../options';
+    serializeKey(key: string): void;
-import { Nullable } from '../utils';
+    serializeValue<U>(value: U): void;
-export declare function serializeWith<T>(serializer: Serializer<T>, value: Serializable, optionsGetter?: (value: any) => Nullable<SerdeOptions>): Nullable<T>;
+    serializeEntry<U>(key: string, value: U): void;
+    end(): T;
+}
+export declare abstract class SerializeObject<T> implements ISerializeObject<T> {
+    abstract serializeKey(key: string): void;
+    abstract serializeValue<U>(value: U): void;
+    abstract end(): T;
+    serializeEntry<U>(key: string, value: U): void;
+}
+export interface ISerializeIterable<T> {
+    serializeElement<U>(value: U): void;
+    end(): T;
+}
+export declare abstract class SerializeIterable<T> implements ISerializeIterable<T> {
+    abstract serializeElement<U>(value: U): void;
+    abstract end(): T;
+}
+export interface ISerializer<T> {
+    serializeAny(value: any): T;
+    serializeBoolean(value: boolean): T;
+    serializeNumber(value: number): T;
+    serializeBigInt(value: bigint): T;
+    serializeString(value: string): T;
+    serializeSymbol(value: symbol): T;
+    serializeNull(): T;
+    serializeObject(): ISerializeObject<T>;
+    serializeClass(name: string): ISerializeObject<T>;
+}
+export declare class Serializer<T> implements ISerializer<T> {
+    serializeAny(_value: any): T;
+    serializeBoolean(_value: boolean): T;
+    serializeNumber(_value: number): T;
+    serializeBigInt(_value: bigint): T;
+    serializeString(_value: string): T;
+    serializeSymbol(_value: symbol): T;
+    serializeNull(): T;
+    serializeObject(): ISerializeObject<T>;
+    serializeClass(_name: string): ISerializeObject<T>;
+}
+export interface Serialize<T> {
+    <U, S extends Serializer<U>>(serializer: S, value: T): U;
+}
+export declare function serialize<T, V, S extends Serializer<T>>(serializer: S, value: V): T;

dist/ser/impl.js

@@ -1,62 +1,78 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.serializeWith = serializeWith;
+exports.Serializer = exports.SerializeIterable = exports.SerializeObject = void 0;
-const options_1 = require("../options");
+exports.serialize = serialize;
-const utils_1 = require("../utils");
+class SerializeObject {
-const unhandledType = (serializer, value) => new TypeError(`'${serializer.constructor.name}' has no method for value type '${typeof value}'`);
+    serializeEntry(key, value) {
-function serializeEntries(serializer, value, options) {
+        this.serializeKey(key);
-    var _a;
+        this.serializeValue(value);
-    let state;
-    for (const [key, val] of value) {
-        if (options === null || options === void 0 ? void 0 : options.shouldSkipSerializing(key, val)) {
-            continue;
     }
-        const name = (_a = options === null || options === void 0 ? void 0 : options.getPropertyName(key, options_1.Stage.Serialize)) !== null && _a !== void 0 ? _a : key;
+}
-        state = serializer.serializeKey(name);
+exports.SerializeObject = SerializeObject;
-        state = serializer.serializeValue(val);
+class SerializeIterable {
+}
+exports.SerializeIterable = SerializeIterable;
+class Serializer {
+    serializeAny(_value) {
+        throw new Error("Method not implemented.");
+    }
+    serializeBoolean(_value) {
+        throw new Error('Method not implemented.');
+    }
+    serializeNumber(_value) {
+        throw new Error('Method not implemented.');
+    }
+    serializeBigInt(_value) {
+        throw new Error('Method not implemented.');
+    }
+    serializeString(_value) {
+        throw new Error('Method not implemented.');
+    }
+    serializeSymbol(_value) {
+        throw new Error('Method not implemented.');
+    }
+    serializeNull() {
+        throw new Error('Method not implemented.');
+    }
+    serializeObject() {
+        throw new Error('Method not implemented.');
+    }
+    serializeClass(_name) {
+        throw new Error('Method not implemented.');
+    }
+}
+exports.Serializer = Serializer;
+const isPlainObject = (value) => (value === null || value === void 0 ? void 0 : value.constructor) === Object;
+class UnhandledTypeError extends TypeError {
+    constructor(serializer, value) {
+        super(`unhandled type: "${typeof value}" for serializer ${serializer.constructor.name}`);
+    }
+}
+function serializeObject(serializer, obj) {
+    for (const key in obj) {
+        serializer.serializeEntry(key, obj[key]);
     }
     return serializer.end();
 }
-function serializeClass(serializer, value, options) {
+function serializeClass(serializer, value) {
-    const classSerializer = serializer.serializeClass(value.constructor.name);
+    const name = value.constructor.name;
-    return serializeEntries(classSerializer, Object.entries(value), options);
+    const ser = serializer.serializeClass(name);
+    return serializeObject(ser, value);
 }
-function serializeObject(serializer, value, options) {
+function serialize(serializer, value) {
-    return serializeEntries(serializer.serializeObject(), Object.entries(value), options);
-}
-function serializeIter(serializer, value, options) {
-    let state;
-    for (const val of value) {
-        state = serializer.serializeElement(val);
-    }
-    return serializer.end();
-}
-function defaultOptions(value) {
-    return value.constructor[Symbol.metadata];
-}
-// dispatches in the order of serializeType -> serializeAny -> throw TypeError
-function serializeWith(serializer, value, optionsGetter = defaultOptions) {
-    // prepare fallback methods
-    const serializeAny = (0, utils_1.orElse)(serializer, serializer.serializeAny, (value) => unhandledType(serializer, value));
-    const serialize = (0, utils_1.ifNull)(serializer, serializeAny, value);
     switch (typeof value) {
-        case 'string': return serialize(serializer.serializeString);
+        case "string": return serializer.serializeString(value);
-        case 'number': return serialize(serializer.serializeNumber);
+        case "number": return serializer.serializeNumber(value);
-        case 'bigint': return serialize(serializer.serializeBigInt);
+        case "bigint": return serializer.serializeBigInt(value);
-        case 'boolean': return serialize(serializer.serializeBoolean);
+        case "boolean": return serializer.serializeBoolean(value);
-        case 'symbol': return serialize(serializer.serializeSymbol);
+        case "symbol": return serializer.serializeSymbol(value);
-        case 'undefined': return serialize(serializer.serializeNull);
+        case "undefined": return serializer.serializeNull();
-        case 'object':
+        case "object":
-            const options = optionsGetter(value);
+            switch (true) {
-            if ((0, utils_1.isIterable)(value) && (0, utils_1.isFunction)(serializer.serializeIterable)) {
+                case value == null: return serializer.serializeNull();
-                return serializeIter(serializer.serializeIterable(), value, options);
+                case !isPlainObject(value): return serializeClass(serializer, value);
+                default: return serializeObject(serializer.serializeObject(), value);
             }
-            if (!(0, utils_1.isPlainObject)(value)) {
+        default: throw new UnhandledTypeError(serializer, value);
-                return serializeClass(serializer, value, options);
-            }
-            else if ((0, utils_1.isFunction)(serializer.serializeObject)) {
-                return serializeObject(serializer, value, options);
-            } // deliberate fallthrough when the above fail
-        default: return serializeAny(value);
     }
 }

dist/ser/index.d.ts

@@ -1,4 +0,0 @@
-import '@tsmetadata/polyfill';
-export * from './interface';
-export * from './mixin';
-export * from './impl';

dist/ser/index.js

@@ -1,20 +0,0 @@
-"use strict";
-var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
-}) : (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    o[k2] = m[k];
-}));
-var __exportStar = (this && this.__exportStar) || function(m, exports) {
-    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
-};
-Object.defineProperty(exports, "__esModule", { value: true });
-require("@tsmetadata/polyfill");
-__exportStar(require("./interface"), exports);
-__exportStar(require("./mixin"), exports);
-__exportStar(require("./impl"), exports);

dist/ser/interface.d.ts

@@ -1,31 +0,0 @@
-import { Primitive, ToString } from "../utils";
-export interface ObjectSerializer<T = void> {
-    serializeKey<U extends Serializable>(key: U): T;
-    serializeValue<U extends Serializable>(value: U): T;
-    end(): T;
-}
-export interface IterableSerializer<T = void> {
-    serializeElement<U extends Serializable>(element: U): T;
-    end(): T;
-}
-interface TypeSerializer<T> {
-    serializeString(value: string): T;
-    serializeNumber(value: number): T;
-    serializeBigInt(value: bigint): T;
-    serializeBoolean(value: boolean): T;
-    serializeSymbol(value: Symbol): T;
-    serializeNull(): T;
-    serializeObject(): ObjectSerializer<T>;
-    serializeIterable?(): IterableSerializer<T>;
-    serializeClass(name: PropertyKey): ObjectSerializer<T>;
-}
-interface AnySerializer<T> {
-    serializeAny?(value?: any): T;
-}
-export declare function isGenericSerializer(value: any): boolean;
-export type Serializer<T> = Partial<TypeSerializer<T>> & Partial<AnySerializer<T>>;
-export type Serializable = Primitive | ToString | Serialize;
-export interface Serialize {
-    serialize<T, S extends Serializer<T>>(serializer: S): T;
-}
-export {};

dist/ser/interface.js

@@ -1,21 +0,0 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.isGenericSerializer = isGenericSerializer;
-const utils_1 = require("../utils");
-const TypeSerializerMethods = [
-    'serializeString',
-    'serializeNumber',
-    'serializeBigInt',
-    'serializeBoolean',
-    'serializeSymbol',
-    //'serializeMap',
-    'serializeIterable',
-    'serializeNull',
-    'serializeObject',
-    'serializeClass',
-];
-const AnySerializerMethods = ['serializeAny'];
-function isGenericSerializer(value) {
-    return AnySerializerMethods.every(k => (0, utils_1.isFunction)(value[k])) &&
-        TypeSerializerMethods.every(k => !(0, utils_1.isFunction)(value[k]));
-}

dist/ser/mixin.d.ts

@@ -1,9 +0,0 @@
-import { Constructor } from '../utils';
-import { Serializer } from './interface';
-export declare function serialize<T extends Constructor>(constructor: T): {
-    new (...args: any[]): {
-        [x: string]: any;
-        serialize<U>(serializer: Serializer<U>): U;
-    };
-    name: string;
-} & T;

dist/ser/mixin.js

@@ -1,25 +0,0 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.serialize = serialize;
-const impl_1 = require("./impl");
-const interface_1 = require("./interface");
-function serialize(constructor) {
-    class Serializable extends constructor {
-        serialize(serializer) {
-            // shortcut for serializers with only the serializeAny method
-            if ((0, interface_1.isGenericSerializer)(serializer)) {
-                return serializer.serializeAny(this);
-            }
-            else {
-                return (0, impl_1.serializeWith)(serializer, this);
-            }
-        }
-    }
-    Object.defineProperty(Serializable, "name", {
-        enumerable: true,
-        configurable: true,
-        writable: true,
-        value: constructor.name
-    });
-    return Serializable;
-}

dist/utils.d.ts

@@ -13,16 +13,3 @@ export declare function isIterable(value: any): value is Iterable<any>;
 export declare function isString(value: any): value is string;
 export declare function isNumber(value: any): value is number;
 export type Constructor<T = any> = new (...args: any[]) => T;
-export declare function orElse(thisArg: any, a: Nullable<Function>, b: Function): (...args: any) => any;
-export declare function ifNull(thisArg: any, b: Function, ...args: any): (a: Nullable<Function>) => any;
-export declare function mixin<U = any>(impl: Function): <TBase extends Constructor<U>>(constructor: TBase) => TBase;
-type AnyFunc = (...arg: any) => any;
-type PipeArgs<F extends AnyFunc[], Acc extends AnyFunc[] = []> = F extends [
-    (...args: infer A) => infer B
-] ? [...Acc, (...args: A) => B] : F extends [(...args: infer A) => any, ...infer Tail] ? Tail extends [(arg: infer B) => any, ...any[]] ? PipeArgs<Tail, [...Acc, (...args: A) => B]> : Acc : Acc;
-type LastFnReturnType<F extends Array<AnyFunc>, Else = never> = F extends [
-    ...any[],
-    (...arg: any) => infer R
-] ? R : Else;
-export declare function pipe<FirstFn extends AnyFunc, F extends AnyFunc[]>(arg: Parameters<FirstFn>[0], firstFn: FirstFn, ...fns: PipeArgs<F> extends F ? F : PipeArgs<F>): LastFnReturnType<F, ReturnType<FirstFn>>;
-export {};

dist/utils.js

@@ -6,10 +6,6 @@ exports.isFunction = isFunction;
 exports.isIterable = isIterable;
 exports.isString = isString;
 exports.isNumber = isNumber;
-exports.orElse = orElse;
-exports.ifNull = ifNull;
-exports.mixin = mixin;
-exports.pipe = pipe;
 function staticImplements() {
     return (constructor) => { constructor; };
 }
@@ -28,31 +24,3 @@ function isString(value) {
 function isNumber(value) {
     return !isNaN(value);
 }
-function orElse(thisArg, a, b) {
-    return function (...args) {
-        const fn = a != null ? a : b;
-        return fn.apply(thisArg, args);
-    };
-}
-function ifNull(thisArg, b, ...args) {
-    return function (a) {
-        return orElse(thisArg, a, b).apply(thisArg, args);
-    };
-}
-function applyMixins(derivedCtor, constructors) {
-    constructors.forEach((baseCtor) => {
-        Object.getOwnPropertyNames(baseCtor.prototype).forEach((name) => {
-            Object.defineProperty(derivedCtor.prototype, name, Object.getOwnPropertyDescriptor(baseCtor.prototype, name) ||
-                Object.create(null));
-        });
-    });
-}
-function mixin(impl) {
-    return function (constructor) {
-        applyMixins(constructor, [impl]);
-        return constructor;
-    };
-}
-function pipe(arg, firstFn, ...fns) {
-    return fns.reduce((acc, fn) => fn(acc), firstFn(arg));
-}

package.json

@@ -9,12 +9,12 @@
       "default": "./dist/index.js"
     },
     "./ser": {
-      "types": "./dist/ser/index.d.ts",
+      "types": "./dist/ser/impl.d.ts",
-      "default": "./dist/ser/index.js"
+      "default": "./dist/ser/impl.js"
     },
     "./de": {
-      "types": "./dist/de/index.d.ts",
+      "types": "./dist/de/impl.d.ts",
-      "default": "./dist/de/index.js"
+      "default": "./dist/de/impl.js"
     },
     "./utils": {
       "types": "./dist/utils.d.ts",

src/de/generic.ts

@@ -1,62 +0,0 @@
-import { staticImplements } from '../utils'
-import { Deserialize, Deserializer, IterableAccess, MapAccess, Visitor } from './interface'
-
-@staticImplements<Deserialize<any>>()
-export class GenericSeed<T> implements Deserialize<T> {
-  static deserialize<T, D extends Deserializer>(deserializer: D): T {
-    return deserializer.deserializeAny(new GenericVisitor<T>())
-  }
-
-  deserialize<D extends Deserializer>(deserializer: D): T {
-    return GenericSeed.deserialize(deserializer)
-  }
-}
-
-export class GenericVisitor<T> implements Visitor<T> {
-  visitString(value: string): T {
-    return value as T
-  }
-
-  visitNumber(value: number): T {
-    return value as T
-  }
-
-  visitBigInt(value: bigint): T {
-    return value as T
-  }
-
-  visitBoolean(value: boolean): T {
-    return value as T
-  }
-
-  visitSymbol(value: symbol): T {
-    return value as T
-  }
-
-  visitNull(): T {
-    return null as T
-  }
-
-  visitObject(access: MapAccess): T {
-    const result: Record<PropertyKey, any> = {}
-    let entry
-
-    while ((entry = access.nextEntry<string, any>())) {
-      result[entry[0]] = entry[1]
-    }
-
-    return result
-  }
-
-  visitIterable(access: IterableAccess): T {
-    const result = new Array(access.sizeHint())
-    let element
-
-    while ((element = access.nextElement())) {
-      result.push(element)
-    }
-
-    return result as T
-  }
-}
-

src/de/impl.ts

@@ -1,26 +1,287 @@
-import { SerdeOptions, Stage } from '../options'
+import { GlobalRegistry, Registry } from '../registry'
-import { GenericVisitor } from './generic'
+import { Constructor } from '../utils'
-import { Deserialize, Deserializer } from './interface'
 
-type DeserializeConstructor<T> = Deserialize<T> & { new(): Deserialize<T> }
+type Nullable<T> = T | undefined
 
-export function deserializeWith<T, D extends Deserializer, E extends DeserializeConstructor<T>>(deserializer: D, into: E, options: SerdeOptions): T {
+export class IterResult {
-  const visitor = new GenericVisitor<T>()
+  static Next<T>(value: T): IteratorResult<T> {
-  const obj = deserializer.deserializeObject(visitor) as any
+    return { done: false, value }
-  const target = new into()
-  const newObject = {} as any
-
-  for (const property in target) {
-    const name = options.getPropertyName(property, Stage.Deserialize)
-    const value = obj[name] || options.getDefault(property)
-    newObject[property] = value
-    delete obj[name]
   }
 
-  if (options.options.denyUnknownFields && Object.keys(obj).length > 0) {
+  static Done<T>(): IteratorResult<T> {
-    throw new TypeError(`Unexpected fields: ${Object.keys(obj).join(', ')}`)
+    return { done: true, value: undefined }
+  }
+}
+
+export interface IMapAccess {
+  nextKeySeed<T, K extends Deserialize>(seed: K): IteratorResult<T>
+  nextValueSeed<T, V extends Deserialize>(seed: V): IteratorResult<T>
+  nextEntrySeed<TK, TV, K extends Deserialize, V extends Deserialize>(kseed: K, vseed: V): IteratorResult<[TK, TV]>
+  nextKey<T>(): IteratorResult<T>
+  nextValue<V>(): IteratorResult<V>
+  nextEntry<K, V>(): IteratorResult<[K, V]>
+  sizeHint?(): Nullable<number>
+}
+
+export abstract class MapAccess {
+  abstract nextKeySeed<T, K extends Deserialize>(seed: K): IteratorResult<T>
+  abstract nextValueSeed<T, V extends Deserialize>(seed: V): IteratorResult<T>
+
+  nextEntrySeed<TK, TV, K extends Deserialize, V extends Deserialize>(kseed: K, vseed: V): IteratorResult<[TK, TV]> {
+    const key = this.nextKeySeed(kseed) as IteratorResult<TK>
+
+    if (!key.done) {
+      const value = this.nextValueSeed(vseed) as IteratorResult<TV>
+
+      if (!value.done) {
+        return IterResult.Next([key.value, value.value])
+      }
+    }
+
+    return IterResult.Done()
+  }
+
+  abstract nextKey<T>(): IteratorResult<T>
+  abstract nextValue<V>(): IteratorResult<V>
+
+  nextEntry<K, V>(): IteratorResult<[K, V]> {
+    const key = this.nextKey() as IteratorResult<K>
+
+    if (!key.done) {
+      const value = this.nextValue() as IteratorResult<V>
+
+      if (!value.done) {
+        return IterResult.Next([key.value, value.value])
+      }
+    }
+
+    return IterResult.Done()
+  }
+}
+
+export interface IIterableAccess {
+  nextElement<T>(): IteratorResult<T>
+  sizeHint?(): Nullable<number>
+}
+
+export abstract class IterableAccess implements IIterableAccess {
+  abstract nextElement<T>(): IteratorResult<T>
+}
+
+export interface IVisitor<T> {
+  visitBoolean(value: boolean): T
+  visitNumber(value: number): T
+  visitBigInt(value: bigint): T
+  visitString(value: string): T
+  visitSymbol(value: symbol): T
+  visitNull(): T
+  visitObject(access: IMapAccess): T
+  visitIterable(access: IIterableAccess): T
+}
+
+export class GenericSeed<T> {
+  readonly visitor: IVisitor<T>
+
+  constructor(visitor: IVisitor<T> = new GenericVisitor()) {
+    this.visitor = visitor
+  }
+
+  static deserialize<T, D extends IDeserializer>(deserializer: D, visitor: IVisitor<T> = new GenericVisitor()): T {
+    return deserializer.deserializeAny(visitor)
+  }
+
+  deserialize<D extends IDeserializer>(deserializer: D): T {
+    return GenericSeed.deserialize(deserializer, this.visitor)
+  }
+}
+
+export class GenericVisitor<T> implements IVisitor<T> {
+  visitBoolean(value: boolean): T {
+    return value as T
+  }
+
+  visitNumber(value: number): T {
+    return value as T
+  }
+
+  visitBigInt(value: bigint): T {
+    return value as T
+  }
+
+  visitString(value: string): T {
+    return value as T
+  }
+
+  visitSymbol(value: symbol): T {
+    return value as T
+  }
+
+  visitNull(): T {
+    return null as T
+  }
+
+  visitObject(access: IMapAccess): T {
+    const result = []
+    let entry
+
+    while ((entry = access.nextEntry()) && !entry.done) {
+      result.push(entry.value)
+    }
+
+    return Object.fromEntries(result)
+  }
+
+  visitIterable(access: IIterableAccess): T {
+    const result = []
+    let element
+
+    while ((element = access.nextElement())) {
+      result.push(element)
+    }
+
+    return result as T
+  }
+}
+
+export interface IDeserializer {
+  deserializeAny<T, V extends IVisitor<T>>(visitor: V): T
+  deserializeBoolean<T, V extends IVisitor<T>>(visitor: V): T
+  deserializeNumber<T, V extends IVisitor<T>>(visitor: V): T
+  deserializeBigInt<T, V extends IVisitor<T>>(visitor: V): T
+  deserializeString<T, V extends IVisitor<T>>(visitor: V): T
+  deserializeSymbol<T, V extends IVisitor<T>>(visitor: V): T
+  deserializeNull<T, V extends IVisitor<T>>(visitor: V): T
+  deserializeObject<T, V extends IVisitor<T>>(visitor: V): T
+  deserializeIterable<T, V extends IVisitor<T>>(visitor: V): T
+  deserializeFunction<T, V extends IVisitor<T>>(visitor: V): T
+}
+
+export class ForwardMapAccess extends MapAccess {
+  private readonly keys: string[]
+  private readonly values: any[]
+
+  private kindex: number = 0
+  private vindex: number = 0
+
+  constructor(keys: string[], values: any[]) {
+    super()
+    this.keys = keys
+    this.values = values
+  }
+
+  static fromObject(obj: object): ForwardMapAccess {
+    return new ForwardMapAccess(
+      Object.keys(obj),
+      Object.values(obj)
+    )
+  }
+
+  nextKeySeed<T, K extends Deserialize>(_seed: K): IteratorResult<T> {
+    return this.nextKey()
+  }
+
+  nextValueSeed<T, V extends Deserialize>(_seed: V): IteratorResult<T> {
+    return this.nextValue()
+  }
+
+  nextKey<T>(): IteratorResult<T> {
+    if (this.kindex < this.keys.length) {
+      return IterResult.Next(this.keys[this.kindex++]) as IteratorResult<T>
+    } else {
+      return IterResult.Done()
+    }
+  }
+
+  nextValue<V>(): IteratorResult<V> {
+    if (this.vindex < this.values.length) {
+      return IterResult.Next(this.values[this.vindex++]) as IteratorResult<V>
+    } else {
+      return IterResult.Done()
+    }
+  }
+}
+
+export class ForwardIterableAccess extends IterableAccess {
+  private readonly items: any[]
+  private index: number = 0
+
+  constructor(items: any[]) {
+    super()
+    this.items = items
+  }
+
+  nextElement<T>(): IteratorResult<T> {
+    if (this.index < this.items.length) {
+      return IterResult.Next(this.items[this.index++]) as IteratorResult<T>
+    } else {
+      return IterResult.Done()
+    }
+  }
+}
+
+export class Forward implements IDeserializer {
+  private readonly value: any
+
+  constructor(value: any) {
+    this.value = value
+  }
+
+  static with(value: any): Forward {
+    return new this(value)
+  }
+
+  deserializeAny<T, V extends IVisitor<T>>(_visitor: V): T {
+    throw new Error("Can't forward to deserializeAny")
+  }
+
+  deserializeBoolean<T, V extends IVisitor<T>>(visitor: V): T {
+    return visitor.visitBoolean(this.value)
+  }
+
+  deserializeNumber<T, V extends IVisitor<T>>(visitor: V): T {
+    return visitor.visitNumber(this.value)
+  }
+
+  deserializeBigInt<T, V extends IVisitor<T>>(visitor: V): T {
+    return visitor.visitBigInt(this.value)
+  }
+
+  deserializeString<T, V extends IVisitor<T>>(visitor: V): T {
+    return visitor.visitString(this.value)
+  }
+
+  deserializeSymbol<T, V extends IVisitor<T>>(visitor: V): T {
+    return visitor.visitSymbol(this.value)
+  }
+
+  deserializeNull<T, V extends IVisitor<T>>(visitor: V): T {
+    return visitor.visitNull()
+  }
+
+  deserializeObject<T, V extends IVisitor<T>>(visitor: V): T {
+    return visitor.visitObject(ForwardMapAccess.fromObject(this.value))
+  }
+
+  deserializeIterable<T, V extends IVisitor<T>>(visitor: V): T {
+    return visitor.visitIterable(new ForwardIterableAccess(this.value))
+  }
+
+  deserializeFunction<T, V extends IVisitor<T>>(_visitor: V): T {
+    throw new Error('Method not implemented.')
+  }
+}
+
+export interface Deserialize {
+  <T>(deserializer: IDeserializer): T
+}
+
+export function deserialize<T, D extends IDeserializer>(deserializer: D, into: Constructor<T>, registry: Registry = GlobalRegistry): T {
+  const de = registry.deserializers.get(into)
+
+  if (de == null) {
+    throw new ReferenceError(`No deserializer for ${into.name}`)
+  } else {
+    return de(deserializer)
   }
-
-  return Object.assign(target, newObject)
 }
 

src/de/index.ts

@@ -1,4 +0,0 @@
-export * from './interface'
-export * from './generic'
-export * from './mixin'
-

src/de/interface.ts

@@ -1,83 +0,0 @@
-import { Nullable } from '../utils'
-import { GenericSeed } from './generic'
-
-export interface MapAccess {
-  nextKeySeed<T, K extends Deserialize<T>>(seed: K): Nullable<T>
-  nextValueSeed<T, V extends Deserialize<T>>(seed: V): Nullable<T>
-  nextEntrySeed<TK, TV, K extends Deserialize<TK>, V extends Deserialize<TV>>(kseed: K, vseed: V): Nullable<[TK, TV]>
-  nextKey<T>(): Nullable<T>
-  nextValue<T>(): Nullable<T>
-  nextEntry<K, V>(): Nullable<[K, V]>
-}
-
-export abstract class DefaultMapAccessImpl implements MapAccess {
-  abstract nextKeySeed<T, K extends Deserialize<T>>(seed: K): Nullable<T>
-  abstract nextValueSeed<T, V extends Deserialize<T>>(seed: V): Nullable<T>
-
-  nextEntrySeed<TK, TV, K extends Deserialize<TK>, V extends Deserialize<TV>>(kseed: K, vseed: V): Nullable<[TK, TV]> {
-    const key = this.nextKeySeed(kseed) as Nullable<TK>
-    if (key !== undefined) {
-      const value = this.nextValueSeed(vseed) as Nullable<TV>
-
-      if (value !== undefined) {
-        return [key, value]
-      }
-    }
-  }
-
-  nextKey<T>(): Nullable<T> {
-    return this.nextValueSeed(GenericSeed<T>)
-  }
-
-  nextValue<T>(): Nullable<T> {
-    return this.nextValueSeed(GenericSeed<T>)
-  }
-
-  nextEntry<K, V>(): Nullable<[K, V]> {
-    return this.nextEntrySeed(GenericSeed<K>, GenericSeed<V>)
-  }
-}
-
-export interface IterableAccess {
-  nextElementSeed<T, I extends Deserialize<T>>(seed: I): Nullable<T>
-  nextElement<T>(): Nullable<T>
-  sizeHint(): number
-}
-
-export abstract class DefaultIterableAccessImpl implements IterableAccess {
-  abstract nextElementSeed<T, I extends Deserialize<T>>(seed: I): Nullable<T>
-
-  nextElement<T>(): Nullable<T> {
-    return this.nextElementSeed(GenericSeed<T>)
-  }
-
-  sizeHint(): number { return 0 }
-}
-
-export interface Visitor<T> {
-  visitString(value: string): T
-  visitNumber(value: number): T
-  visitBigInt(value: bigint): T
-  visitBoolean(value: boolean): T
-  visitSymbol(value: symbol): T
-  visitNull(): T
-  visitObject(value: MapAccess): T
-  visitIterable?(value: IterableAccess): T
-}
-
-export interface Deserializer {
-  deserializeAny<T, V extends Visitor<T>>(visitor: V): T
-  deserializeString<T, V extends Visitor<T>>(visitor: V): T
-  deserializeNumber<T, V extends Visitor<T>>(visitor: V): T
-  deserializeBigInt<T, V extends Visitor<T>>(visitor: V): T
-  deserializeBoolean<T, V extends Visitor<T>>(visitor: V): T
-  deserializeSymbol<T, V extends Visitor<T>>(visitor: V): T
-  deserializeNull<T, V extends Visitor<T>>(visitor: V): T
-  deserializeObject<T, V extends Visitor<T>>(visitor: V): T
-  deserializeClass<T, V extends Visitor<T>>(name: string, fields: string[], visitor: V): T
-  deserializeIterable<T, V extends Visitor<T>>(visitor: V): T
-}
-
-export interface Deserialize<T> {
-  deserialize<D extends Deserializer>(deserializer: D): T
-}

src/de/mixin.ts

@@ -1,17 +0,0 @@
-import { Constructor, staticImplements } from '../utils'
-import { deserializeWith } from './impl'
-import { Deserialize, Deserializer } from './interface'
-
-export function deserialize<T, C extends Constructor>(constructor: C) {
-  @staticImplements<Deserialize<T>>()
-  class Deserializable extends constructor {
-    static name = constructor.name
-
-    static deserialize<D extends Deserializer>(deserializer: D): T {
-      return deserializeWith(deserializer, this, (constructor as any)[Symbol.metadata])
-    }
-  }
-
-  return Deserializable
-}
-

src/decorator.ts

@@ -1,33 +0,0 @@
-import { ContainerOptions, PropertyOptions, SerdeOptions } from './options'
-import { GlobalRegistry, Registry } from './registry'
-
-function decorateContainer(target: any, context: any, options: ContainerOptions) {
-  const meta = context.metadata
-  const serde = (meta.serde || new SerdeOptions(target))
-  serde.options = options
-  meta.serde = serde
-}
-
-function decorateProperty(target: any, context: any, options: PropertyOptions) {
-  const meta = context.metadata
-  const serde = (meta.serde || new SerdeOptions(target))
-  serde.properties.set(context, options)
-  meta.serde = serde
-}
-
-
-export function serde(options: ContainerOptions | PropertyOptions) {
-  return function(target: any, context: any) {
-    if (context != null) {
-      decorateProperty(target, context, options as PropertyOptions)
-    } else {
-      decorateContainer(target, context, options as ContainerOptions)
-    }
-  }
-}
-
-export function register(registry: Registry = GlobalRegistry) {
-  return function(target: any, _context: any) {
-    registry.add(target)
-  }
-}

src/index.ts

@@ -1,7 +1,6 @@
-export * as ser from './ser/index'
+export * as ser from './ser/impl'
-export * as de from './de/index'
+export * as de from './de/impl'
 export * from './case'
 export * from './registry'
-export * from './decorator'
+export * from './utils'
-export * from './options'
 

src/options.ts

@@ -1,193 +0,0 @@
-import { CaseConvention, convertCase } from './case'
-import { Deserializer } from './de'
-import { Serializer } from './ser'
-import { isFunction, isNumber, isString } from './utils'
-import { GlobalRegistry, Registry } from './registry'
-
-
-export interface RenameOptions {
-  serialize?: string
-  deserialize?: string
-}
-
-export interface RenameAllOptions {
-  serialize?: CaseConvention
-  deserialize?: CaseConvention
-}
-
-export interface ContainerOptions {
-  // deserialization only
-  default?: () => any
-  // deserialization only
-  denyUnknownFields?: boolean
-  expecting?: string
-  rename?: RenameOptions | string
-  renameAll?: RenameAllOptions | CaseConvention
-  registry?: Registry
-  tag?: string
-  content?: string
-  untagged?: boolean
-}
-
-export interface ConditionalSkipOptions {
-  if: (value: any) => boolean
-}
-
-export interface SkipOptions {
-  serializing?: ConditionalSkipOptions | boolean
-  deserializing?: ConditionalSkipOptions | boolean
-}
-
-export type CustomSerializer = <T, V, S extends Serializer<T>>(value: V, serializer: S) => T
-export type CustomDeserializer = <T, D extends Deserializer>(deserializer: D) => T
-
-export interface PropertyOptions {
-  alias?: string
-  // deserialization only
-  default?: () => any
-  flatten?: boolean
-  rename?: RenameOptions | string
-  //serializeWith?: CustomSerializer
-  //deserializeWith: CustomDeserializer
-  skip?: SkipOptions | ConditionalSkipOptions | boolean
-}
-
-export const Stage = Object.freeze({
-  Serialize: 0,
-  Deserialize: 1
-} as const)
-
-export type Stage = typeof Stage[keyof typeof Stage]
-
-export class SerdeOptions {
-  private readonly target: any
-  readonly options: ContainerOptions
-  readonly properties: Map<string, PropertyOptions>
-
-  get registry() {
-    return this.options.registry || GlobalRegistry
-  }
-
-  constructor(target: any, options: ContainerOptions = {}, properties: Map<string, PropertyOptions> = new Map()) {
-    this.target = target
-    this.options = options
-    this.properties = properties
-  }
-
-  static from(target: any) {
-    return new this(target)
-  }
-
-  getClassName(stage: Stage) {
-    if (isString(this.options.rename)) {
-      return this.options.rename
-    } else if (stage === Stage.Serialize && isString(this.options.rename?.serialize)) {
-      return this.options.rename.serialize
-    } else if (stage === Stage.Deserialize && isString(this.options.rename?.deserialize)) {
-      return this.options.rename.deserialize
-    } else {
-      return this.target.constructor.name
-    }
-  }
-
-  private getPropertyRename(property: string, stage: Stage, options: PropertyOptions) {
-    if (options != null) {
-      if (isString(options.rename)) {
-        return options.rename
-      } else if (stage === Stage.Serialize && isString(options.rename?.serialize)) {
-        return options.rename.serialize
-      } else if (stage === Stage.Deserialize && isString(options.rename?.deserialize)) {
-        return options.rename.deserialize
-      }
-    }
-
-    return property
-  }
-
-  private getPropertyCase(name: string, stage: Stage) {
-    if (isNumber(this.options.renameAll)) {
-      return convertCase(name, this.options.renameAll)
-    } else if (stage === Stage.Serialize && isNumber(this.options.renameAll?.serialize)) {
-      return convertCase(name, this.options.renameAll.serialize)
-    } else if (stage === Stage.Deserialize && isNumber(this.options.renameAll?.deserialize)) {
-      return convertCase(name, this.options.renameAll.deserialize)
-    } else {
-      return name
-    }
-  }
-
-  getPropertyName(property: string, stage: Stage) {
-    const options = this.properties.get(property)
-    const name = options != null ? this.getPropertyRename(property, stage, options) : property
-    return this.getPropertyCase(name, stage)
-  }
-
-  getSerializationName(property: string) {
-    return this.getPropertyName(property, Stage.Serialize)
-  }
-
-  getDeserializationName(property: string) {
-    return this.getPropertyName(property, Stage.Deserialize)
-  }
-
-  getDefault(property: string) {
-    const options = this.properties.get(property)
-    if (options && isFunction(options.default)) {
-      return options.default()
-    } else if (isFunction(this.options.default)) {
-      return this.options.default()
-    }
-  }
-
-  //getCustomImpl(property: string, stage: Stage) {
-  //  const options = this.properties.get(property)
-  //  if (options != null) {
-  //    if (stage === Stage.Serialize && isFunction(options.serializeWith)) {
-  //      return options.serializeWith
-  //    } else if (stage === Stage.Deserialize && isFunction(options.deserializeWith)) {
-  //      return options.deserializeWith
-  //    }
-  //  }
-  //}
-
-  //getSerializer(property: string): Nullable<CustomSerializer> {
-  //  return this.getCustomImpl(property, Stage.Serialize) as CustomSerializer
-  //}
-
-  //getDeserializer(property: string): Nullable<CustomDeserializer> {
-  //  return this.getCustomImpl(property, Stage.Deserialize) as CustomDeserializer
-  //}
-
-  private isConditionalSkip(skip: any): skip is ConditionalSkipOptions {
-    return 'if' in skip && isFunction(skip.if)
-  }
-
-  shouldSkip(property: string, value: any, stage: Stage): boolean {
-    const options = this.properties.get(property)
-    if (options != null && options.skip != null) {
-      if (typeof options.skip === 'boolean') {
-        return options.skip
-      } else if (this.isConditionalSkip(options.skip)) {
-        return options.skip.if(value)
-      } else if (stage === Stage.Serialize && typeof options.skip.serializing === 'boolean') {
-        return options.skip.serializing
-      } else if (stage === Stage.Serialize && this.isConditionalSkip(options.skip.serializing)) {
-        return options.skip.serializing.if(value)
-      } else if (stage === Stage.Deserialize && typeof options.skip.deserializing === 'boolean') {
-        return options.skip.deserializing
-      } else if (stage === Stage.Deserialize && this.isConditionalSkip(options.skip.deserializing)) {
-        return options.skip.deserializing.if(value)
-      }
-    }
-    return false
-  }
-
-  shouldSkipSerializing(property: string, value: any): boolean {
-    return this.shouldSkip(property, value, Stage.Serialize)
-  }
-
-  shouldSkipDeserializing(property: string, value: any): boolean {
-    return this.shouldSkip(property, value, Stage.Deserialize)
-  }
-}
-

src/registry.ts

@@ -1,16 +1,20 @@
-import { Constructor } from './utils'
+import { Deserialize } from './de/impl'
+import { Serialize } from './ser/impl'
 
 export class Registry {
-  registeredClasses: Map<string, Constructor> = new Map()
+  serializers: Map<Function, Serialize<any>> = new Map()
+  deserializers: Map<Function, Deserialize> = new Map()
 
-  add(ctor: Constructor, key: string = ctor.name) {
+  registerSerializer<T>(ctor: Function, serialize: Serialize<T>) {
-    this.registeredClasses.set(key, ctor)
+    this.serializers.set(ctor, serialize)
   }
 
-  get(name: string) {
+  registerDeserializer(ctor: Function, deserialize: Deserialize) {
-    return this.registeredClasses.get(name)
+    this.deserializers.set(ctor, deserialize)
   }
 }
 
 export const GlobalRegistry = new Registry()
+export const registerSerializer = GlobalRegistry.registerSerializer.bind(GlobalRegistry)
+export const registerDeserializer = GlobalRegistry.registerDeserializer.bind(GlobalRegistry)
 

src/ser/impl.ts

@@ -1,78 +1,122 @@
-import { IterableSerializer, ObjectSerializer, Serializable, Serializer } from './interface'
+export interface ISerializeObject<T> {
-import { SerdeOptions, Stage } from '../options'
+  serializeKey(key: string): void
-import { ifNull, isFunction, isIterable, isPlainObject, Nullable, orElse } from '../utils'
+  serializeValue<U>(value: U): void
+  serializeEntry<U>(key: string, value: U): void
+  end(): T
+}
 
-const unhandledType = (serializer: any, value: any) => new TypeError(`'${serializer.constructor.name}' has no method for value type '${typeof value}'`)
+export abstract class SerializeObject<T> implements ISerializeObject<T> {
+  abstract serializeKey(key: string): void
+  abstract serializeValue<U>(value: U): void
+  abstract end(): T
 
-function serializeEntries<T, K extends string, V extends Serializable, E extends Iterable<[K, V]>>(serializer: ObjectSerializer<T>, value: E, options?: SerdeOptions) {
+  serializeEntry<U>(key: string, value: U): void {
-  let state
+    this.serializeKey(key)
+    this.serializeValue(value)
+  }
+}
 
-  for (const [key, val] of value) {
+export interface ISerializeIterable<T> {
-    if (options?.shouldSkipSerializing(key, val)) {
+  serializeElement<U>(value: U): void
-      continue
+  end(): T
+}
+
+export abstract class SerializeIterable<T> implements ISerializeIterable<T> {
+  abstract serializeElement<U>(value: U): void
+  abstract end(): T
+}
+
+export interface ISerializer<T> {
+  serializeAny(value: any): T
+  serializeBoolean(value: boolean): T
+  serializeNumber(value: number): T
+  serializeBigInt(value: bigint): T
+  serializeString(value: string): T
+  serializeSymbol(value: symbol): T
+  serializeNull(): T
+  serializeObject(): ISerializeObject<T>
+  serializeClass(name: string): ISerializeObject<T>
+}
+
+export class Serializer<T> implements ISerializer<T> {
+  serializeAny(_value: any): T {
+    throw new Error("Method not implemented.")
   }
 
-    const name = options?.getPropertyName(key as string, Stage.Serialize) ?? key
+  serializeBoolean(_value: boolean): T {
-    state = serializer.serializeKey(name)
+    throw new Error('Method not implemented.')
-    state = serializer.serializeValue(val)
+  }
+
+  serializeNumber(_value: number): T {
+    throw new Error('Method not implemented.')
+  }
+
+  serializeBigInt(_value: bigint): T {
+    throw new Error('Method not implemented.')
+  }
+
+  serializeString(_value: string): T {
+    throw new Error('Method not implemented.')
+  }
+
+  serializeSymbol(_value: symbol): T {
+    throw new Error('Method not implemented.')
+  }
+
+  serializeNull(): T {
+    throw new Error('Method not implemented.')
+  }
+
+  serializeObject(): ISerializeObject<T> {
+    throw new Error('Method not implemented.')
+  }
+
+  serializeClass(_name: string): ISerializeObject<T> {
+    throw new Error('Method not implemented.')
+  }
+}
+
+export interface Serialize<T> {
+  <U, S extends Serializer<U>>(serializer: S, value: T): U
+}
+
+const isPlainObject = (value: any): value is object => value?.constructor === Object
+
+class UnhandledTypeError extends TypeError {
+  constructor(serializer: Serializer<unknown>, value: any) {
+    super(`unhandled type: "${typeof value}" for serializer ${serializer.constructor.name}`)
+  }
+}
+
+function serializeObject<T, V extends object, S extends ISerializeObject<T>>(serializer: S, obj: V): T {
+  for (const key in obj) {
+    serializer.serializeEntry(key, obj[key])
   }
 
   return serializer.end()
 }
 
-function serializeClass<T, K extends string, V extends Serializable, R extends Record<K, V>>(serializer: Serializer<T>, value: R, options?: SerdeOptions) {
+function serializeClass<T, V extends object, S extends Serializer<T>>(serializer: S, value: V): T {
-  const classSerializer = serializer.serializeClass!(value.constructor.name)
+  const name = value.constructor.name
-  return serializeEntries(classSerializer, Object.entries(value) as Iterable<[K, V]>, options)
+  const ser = serializer.serializeClass(name)
+  return serializeObject(ser, value)
 }
 
-function serializeObject<T, K extends string, V extends Serializable, R extends Record<K, V>>(serializer: Serializer<T>, value: R, options?: SerdeOptions) {
+export function serialize<T, V, S extends Serializer<T>>(serializer: S, value: V): T {
-  return serializeEntries(serializer.serializeObject!(), Object.entries(value) as Iterable<[K, V]>, options)
-}
-
-function serializeIter<T, V extends Iterable<any>>(serializer: IterableSerializer<T>, value: V, options?: SerdeOptions) {
-  let state
-
-  for (const val of value) {
-    state = serializer.serializeElement(val)
-  }
-
-  return serializer.end()
-}
-
-function defaultOptions(value: any) {
-  return value.constructor[Symbol.metadata]
-}
-
-// dispatches in the order of serializeType -> serializeAny -> throw TypeError
-export function serializeWith<T>(serializer: Serializer<T>, value: Serializable, optionsGetter: (value: any) => Nullable<SerdeOptions> = defaultOptions): Nullable<T> {
-  // prepare fallback methods
-  const serializeAny = orElse(
-    serializer,
-    serializer.serializeAny,
-    (value: Serializable) => unhandledType(serializer, value)
-  )
-
-  const serialize = ifNull(serializer, serializeAny, value)
-
   switch (typeof value) {
-    case 'string': return serialize(serializer.serializeString)
+    case "string": return serializer.serializeString(value)
-    case 'number': return serialize(serializer.serializeNumber)
+    case "number": return serializer.serializeNumber(value)
-    case 'bigint': return serialize(serializer.serializeBigInt)
+    case "bigint": return serializer.serializeBigInt(value)
-    case 'boolean': return serialize(serializer.serializeBoolean)
+    case "boolean": return serializer.serializeBoolean(value)
-    case 'symbol': return serialize(serializer.serializeSymbol)
+    case "symbol": return serializer.serializeSymbol(value)
-    case 'undefined': return serialize(serializer.serializeNull)
+    case "undefined": return serializer.serializeNull()
-
+    case "object":
-    case 'object':
+      switch (true) {
-      const options = optionsGetter(value)
+        case value == null: return serializer.serializeNull()
-      if (isIterable(value) && isFunction(serializer.serializeIterable)) {
+        case !isPlainObject(value): return serializeClass(serializer, value)
-        return serializeIter(serializer.serializeIterable(), value, options)
+        default: return serializeObject(serializer.serializeObject(), value)
-      } if (!isPlainObject(value)) {
+      }
-        return serializeClass(serializer, value as Record<PropertyKey, any>, options)
+    default: throw new UnhandledTypeError(serializer, value)
-      } else if (isFunction(serializer.serializeObject)) {
-        return serializeObject(serializer, value as Record<PropertyKey, any>, options)
-      } // deliberate fallthrough when the above fail
-
-    default: return serializeAny(value)
   }
 }
 

src/ser/index.ts

@@ -1,6 +0,0 @@
-import '@tsmetadata/polyfill'
-
-export * from './interface'
-export * from './mixin'
-export * from './impl'
-

src/ser/interface.ts

@@ -1,58 +0,0 @@
-import { isFunction, Primitive, ToString } from "../utils"
-
-export interface ObjectSerializer<T = void> {
-  serializeKey<U extends Serializable>(key: U): T
-  serializeValue<U extends Serializable>(value: U): T
-  end(): T
-}
-
-export interface IterableSerializer<T = void> {
-  serializeElement<U extends Serializable>(element: U): T
-  end(): T
-}
-
-const TypeSerializerMethods = [
-  'serializeString',
-  'serializeNumber',
-  'serializeBigInt',
-  'serializeBoolean',
-  'serializeSymbol',
-  //'serializeMap',
-  'serializeIterable',
-  'serializeNull',
-  'serializeObject',
-  'serializeClass',
-] as const
-
-interface TypeSerializer<T> {
-  serializeString(value: string): T
-  serializeNumber(value: number): T
-  serializeBigInt(value: bigint): T
-  serializeBoolean(value: boolean): T
-  serializeSymbol(value: Symbol): T
-  serializeNull(): T
-  serializeObject(): ObjectSerializer<T>
-  // serializeMap?(): ObjectSerializer<T>
-  serializeIterable?(): IterableSerializer<T>
-  serializeClass(name: PropertyKey): ObjectSerializer<T>
-}
-
-const AnySerializerMethods = ['serializeAny']
-
-interface AnySerializer<T> {
-  serializeAny?(value?: any): T
-}
-
-export function isGenericSerializer(value: any): boolean {
-  return AnySerializerMethods.every(k => isFunction(value[k])) &&
-    TypeSerializerMethods.every(k => !isFunction(value[k]))
-}
-
-export type Serializer<T> = Partial<TypeSerializer<T>> & Partial<AnySerializer<T>>
-
-export type Serializable = Primitive | ToString | Serialize
-
-export interface Serialize {
-  serialize<T, S extends Serializer<T>>(serializer: S): T
-}
-

src/ser/mixin.ts

@@ -1,19 +0,0 @@
-import { Constructor } from '../utils'
-import { serializeWith } from './impl'
-import { isGenericSerializer, Serializer } from './interface'
-
-export function serialize<T extends Constructor>(constructor: T) {
-  class Serializable extends constructor implements Serializable {
-    static name = constructor.name
-    serialize<U>(serializer: Serializer<U>): U {
-      // shortcut for serializers with only the serializeAny method
-      if (isGenericSerializer(serializer)) {
-        return serializer.serializeAny!(this) as U
-      } else {
-        return serializeWith(serializer, this) as U
-      }
-    }
-  }
-
-  return Serializable
-}

src/utils.ts

@@ -36,61 +36,3 @@ export function isNumber(value: any): value is number {
 
 export type Constructor<T = any> = new (...args: any[]) => T
 
-export function orElse(thisArg: any, a: Nullable<Function>, b: Function) {
-  return function(...args: any) {
-    const fn = a != null ? a : b
-    return fn.apply(thisArg, args)
-  }
-}
-
-export function ifNull(thisArg: any, b: Function, ...args: any) {
-  return function(a: Nullable<Function>) {
-    return orElse(thisArg, a, b).apply(thisArg, args)
-  }
-}
-
-function applyMixins(derivedCtor: any, constructors: any[]) {
-  constructors.forEach((baseCtor) => {
-    Object.getOwnPropertyNames(baseCtor.prototype).forEach((name) => {
-      Object.defineProperty(
-        derivedCtor.prototype,
-        name,
-        Object.getOwnPropertyDescriptor(baseCtor.prototype, name) ||
-        Object.create(null)
-      )
-    })
-  })
-}
-
-export function mixin<U = any>(impl: Function) {
-  return function <TBase extends Constructor<U>>(constructor: TBase) {
-    applyMixins(constructor, [impl])
-    return constructor
-  }
-}
-
-type AnyFunc = (...arg: any) => any
-
-type PipeArgs<F extends AnyFunc[], Acc extends AnyFunc[] = []> = F extends [
-  (...args: infer A) => infer B
-]
-  ? [...Acc, (...args: A) => B]
-  : F extends [(...args: infer A) => any, ...infer Tail]
-  ? Tail extends [(arg: infer B) => any, ...any[]]
-  ? PipeArgs<Tail, [...Acc, (...args: A) => B]>
-  : Acc
-  : Acc
-
-type LastFnReturnType<F extends Array<AnyFunc>, Else = never> = F extends [
-  ...any[],
-  (...arg: any) => infer R
-] ? R : Else
-
-export function pipe<FirstFn extends AnyFunc, F extends AnyFunc[]>(
-  arg: Parameters<FirstFn>[0],
-  firstFn: FirstFn,
-  ...fns: PipeArgs<F> extends F ? F : PipeArgs<F>
-): LastFnReturnType<F, ReturnType<FirstFn>> {
-  return (fns as AnyFunc[]).reduce((acc, fn) => fn(acc), firstFn(arg))
-}
-