mobx-state-tree - npm Package Compare versions

Comparing version 2.2.0 to 3.0.0-beta.2

dist/core/mst-operations.d.ts

@@ -7,5 +7,5 @@ import { IObservableArray, ObservableMap } from "mobx";
  * @param {IStateTreeNode} object
- * @returns {IType<S, T>}
+ * @returns {IAnyType}
  */
-export declare function getType<S, T>(object: IStateTreeNode): IType<S, T>;
+export declare function getType<C, S, T>(object: IStateTreeNode): IType<C, S, T>;
 /**
@@ -23,5 +23,5 @@ * Returns the _declared_ type of the given sub property of an object, array or map.
  * @param {string} child
- * @returns {IType<any, any>}
+ * @returns {IAnyType}
  */
-export declare function getChildType(object: IStateTreeNode, child: string): IType<any, any>;
+export declare function getChildType(object: IStateTreeNode, child: string): IAnyType;
 /**
@@ -35,3 +35,2 @@ * Registers a function that will be invoked for each mutation that is applied to the provided model instance, or to any of its children.
  * @param {(patch: IJsonPatch, reversePatch) => void} callback the callback that is invoked for each patch. The reversePatch is a patch that would actually undo the emitted patch
- * @param {includeOldValue} boolean if oldValue is included in the patches, they can be inverted. However patches will become much bigger and might not be suitable for efficient transport
  * @returns {IDisposer} function to remove the listener
@@ -56,3 +55,3 @@ */
  */
-export declare function applyPatch(target: IStateTreeNode, patch: IJsonPatch | IJsonPatch[]): void;
+export declare function applyPatch(target: IStateTreeNode, patch: IJsonPatch | ReadonlyArray<IJsonPatch>): void;
 export interface IPatchRecorder {
@@ -156,8 +155,8 @@ patches: ReadonlyArray<IJsonPatch>;
  * @param {Object} target
- * @param {IType<any, any>} type
+ * @param {IAnyType} type
  * @returns {boolean}
  */
-export declare function hasParentOfType(target: IStateTreeNode, type: IType<any, any>): boolean;
-export declare function getParentOfType(target: IStateTreeNode, type: IType<any, any>): any & IStateTreeNode;
-export declare function getParentOfType<S, T>(target: IStateTreeNode, type: IType<S, T>): T & IStateTreeNode;
+export declare function hasParentOfType(target: IStateTreeNode, type: IAnyType): boolean;
+export declare function getParentOfType(target: IStateTreeNode, type: IAnyType): any & IStateTreeNode;
+export declare function getParentOfType<S, T>(target: IStateTreeNode, type: IAnyType): T & IStateTreeNode;
 export declare function getRoot(target: IStateTreeNode): any & IStateTreeNode;
@@ -204,3 +203,3 @@ export declare function getRoot<T>(target: IStateTreeNode): T & IStateTreeNode;
  * @export
- * @param {IType<any, any>} type
+ * @param {IAnyType} type
  * @param {IStateTreeNode} target
@@ -210,5 +209,6 @@ * @param {(string | number)} identifier
  */
-export declare function resolveIdentifier(type: IType<any, any>, target: IStateTreeNode, identifier: string | number): any;
+export declare function resolveIdentifier(type: IAnyType, target: IStateTreeNode, identifier: string | number): any;
 /**
  * Returns the identifier of the target node.
+ * This is the *string normalized* identifier, which might not match the type of the identifier attribute
  *
@@ -300,2 +300,5 @@ * @export
  *
+ * Please note that in child nodes access to the root is only possible
+ * once the `afterAttach` hook has fired
+ *
  * Returns an empty environment if the tree wasn't initialized with an environment
@@ -315,3 +318,3 @@ *
     properties: {
-        [K: string]: IType<any, any>;
+        [K: string]: IAnyType;
     };
@@ -330,2 +333,2 @@ actions: string[];
 export declare function getMembers(target: IStateTreeNode): IModelReflectionData;
-import { IStateTreeNode, IJsonPatch, IDisposer, ISnapshottable, IType } from "../internal";
+import { IStateTreeNode, IJsonPatch, IDisposer, ISnapshottable, IType, IAnyType } from "../internal";

dist/core/node/create-node.d.ts

 import { INode, ObjectNode, ScalarNode, IType } from "../../internal";
-export declare function createNode<S, T>(type: IType<S, T>, parent: ObjectNode | null, subpath: string, environment: any, initialValue: any, createNewInstance?: (initialValue: any) => T, finalizeNewInstance?: (node: INode, initialValue: any) => void): ObjectNode | ScalarNode;
+export declare function createNode<C, S, T>(type: IType<C, S, T>, parent: ObjectNode | null, subpath: string, environment: any, initialValue: any, createNewInstance?: (initialValue: any) => T, finalizeNewInstance?: (node: INode, childNodes?: any) => void): ObjectNode | ScalarNode;
 export declare function isNode(value: any): value is INode;

dist/core/node/identifier-cache.d.ts

@@ -1,2 +0,2 @@
-import { IType, ObjectNode } from "../../internal";
+import { ObjectNode, IAnyType } from "../../internal";
 export declare class IdentifierCache {
@@ -9,3 +9,3 @@ private cache;
     splitCache(node: ObjectNode): IdentifierCache;
-    resolve(type: IType<any, any>, identifier: string): ObjectNode | null;
+    resolve(type: IAnyType, identifier: string): ObjectNode | null;
 }

dist/core/node/node-utils.d.ts

@@ -1,2 +0,2 @@
-import { IType, ObjectNode } from "../../internal";
+import { ObjectNode, IChildNodesMap, IAnyType } from "../../internal";
 export declare enum NodeLifeCycle {
@@ -10,3 +10,3 @@ INITIALIZING = 0,
 export interface INode {
-    readonly type: IType<any, any>;
+    readonly type: IAnyType;
     readonly storedValue: any;
@@ -30,3 +30,3 @@ readonly path: string;
     properties: {
-        [name: string]: IType<any, any>;
+        [name: string]: IAnyType;
     };
@@ -55,1 +55,2 @@ actions: Object;
 export declare function resolveNodeByPathParts(base: ObjectNode, pathParts: string[], failIfResolveFails: boolean): INode | undefined;
+export declare function convertChildNodesToArray(childNodes: IChildNodesMap | null): INode[];

dist/core/node/object-node.d.ts

@@ -1,32 +0,59 @@
-import { INode, IJsonPatch, IReversibleJsonPatch, IType, IDisposer, IMiddleware, IMiddlewareHandler, NodeLifeCycle, IdentifierCache } from "../../internal";
+import { IAtom } from "mobx";
+import { INode, IJsonPatch, IReversibleJsonPatch, IDisposer, IMiddleware, IMiddlewareHandler, NodeLifeCycle, IdentifierCache, IAnyType } from "../../internal";
+export declare type LivelynessMode = "warn" | "error" | "ignore";
+/**
+ *  Defines what MST should do when running into reads / writes to objects that have died.
+ * By default it will print a warning.
+ * Use te `"error"` option to easy debugging to see where the error was thrown and when the offending read / write took place
+ *
+ * Possible values: `"warn"`, `"error"` and `"ignore"`
+ *
+ * @export
+ * @param {LivelynessMode} mode
+ */
+export declare function setLivelynessChecking(mode: LivelynessMode): void;
+export interface IChildNodesMap {
+    [key: string]: INode;
+}
 export declare class ObjectNode implements INode {
     nodeId: number;
-    readonly type: IType<any, any>;
-    readonly storedValue: any;
+    readonly type: IAnyType;
+    readonly identifierAttribute: string | undefined;
+    readonly identifier: string | null;
+    subpathAtom: IAtom;
     subpath: string;
-    protected _parent: ObjectNode | null;
-    _isRunningAction: boolean;
+    escapedSubpath: string;
+    parent: ObjectNode | null;
+    state: NodeLifeCycle;
+    storedValue: any;
     identifierCache: IdentifierCache | undefined;
     isProtectionEnabled: boolean;
-    identifierAttribute: string | undefined;
+    middlewares: IMiddleware[] | null;
+    applyPatches(patches: IJsonPatch[]): void;
+    applySnapshot(snapshot: any): void;
+    _autoUnbox: boolean;
     _environment: any;
-    protected _autoUnbox: boolean;
-    state: NodeLifeCycle;
-    middlewares: IMiddleware[] | null;
-    private snapshotSubscribers;
-    private patchSubscribers;
-    private disposers;
-    applyPatches: (patches: IJsonPatch[]) => void;
-    applySnapshot: (snapshot: any) => void;
-    constructor(type: IType<any, any>, parent: ObjectNode | null, subpath: string, environment: any, initialValue: any, storedValue: any, canAttachTreeNode: boolean, finalizeNewInstance?: (node: INode, initialValue: any) => void);
+    _isRunningAction: boolean;
+    _hasSnapshotReaction: boolean;
+    private _disposers;
+    private _patchSubscribers;
+    private _snapshotSubscribers;
+    private _observableInstanceCreated;
+    private _childNodes;
+    private _initialSnapshot;
+    private _createNewInstance;
+    private _finalizeNewInstance;
+    constructor(type: IAnyType, parent: ObjectNode | null, subpath: string, environment: any, initialSnapshot: any, createNewInstance: (initialValue: any) => any, finalizeNewInstance: (node: INode, initialValue: any) => void);
+    private _createObservableInstance();
     readonly path: string;
+    readonly root: ObjectNode;
     readonly isRoot: boolean;
-    readonly parent: ObjectNode | null;
-    readonly root: ObjectNode;
     setParent(newParent: ObjectNode | null, subpath?: string | null): void;
     fireHook(name: string): void;
     readonly value: any;
+    private readonly _value;
     readonly snapshot: any;
+    private _getActualSnapshot();
+    private _getInitialSnapshot();
     isRunningAction(): boolean;
-    readonly identifier: string | null;
     readonly isAlive: boolean;
@@ -36,3 +63,3 @@ assertAlive(): void;
     getChildren(): ReadonlyArray<INode>;
-    getChildType(key: string): IType<any, any>;
+    getChildType(key: string): IAnyType;
     readonly isProtected: boolean;
@@ -57,3 +84,3 @@ assertWritable(): void;
     applyPatchLocally(subpath: string, patch: IJsonPatch): void;
-    private _invalidateComputed(prop);
+    private _addSnapshotReaction();
 }

dist/core/node/scalar-node.d.ts

@@ -1,13 +0,12 @@
-import { INode, IType, ObjectNode } from "../../internal";
+import { INode, ObjectNode, IAnyType } from "../../internal";
 export declare class ScalarNode implements INode {
-    readonly type: IType<any, any>;
+    readonly type: IAnyType;
     readonly storedValue: any;
-    subpath: string;
-    private readonly _parent;
-    readonly _environment: any;
+    readonly parent: ObjectNode | null;
+    readonly subpath: string;
     private state;
-    constructor(type: IType<any, any>, parent: ObjectNode | null, subpath: string, environment: any, initialValue: any, storedValue: any, canAttachTreeNode: boolean, finalizeNewInstance?: (node: INode, initialValue: any) => void);
+    _environment: any;
+    constructor(type: IAnyType, parent: ObjectNode | null, subpath: string, environment: any, initialSnapshot: any, createNewInstance: (initialValue: any) => any, finalizeNewInstance?: (node: INode, initialValue: any) => void);
     readonly path: string;
     readonly isRoot: boolean;
-    readonly parent: ObjectNode | null;
     readonly root: ObjectNode;
@@ -20,3 +19,2 @@ setParent(newParent: INode | null, subpath?: string | null): void;
     die(): void;
-    private _invalidateComputed(prop);
 }

dist/core/type/type-checker.d.ts

@@ -1,5 +0,5 @@
-import { IType } from "../../internal";
+import { IAnyType } from "../../internal";
 export interface IContextEntry {
     path: string;
-    type?: IType<any, any>;
+    type?: IAnyType;
 }
@@ -14,8 +14,8 @@ export declare type IContext = IContextEntry[];
 export declare function prettyPrintValue(value: any): string;
-export declare function getDefaultContext(type: IType<any, any>): IContext;
-export declare function getContextForPath(context: IContext, path: string, type?: IType<any, any>): IContext;
+export declare function getDefaultContext(type: IAnyType): IContext;
+export declare function getContextForPath(context: IContext, path: string, type?: IAnyType): IContext;
 export declare function typeCheckSuccess(): IValidationResult;
 export declare function typeCheckFailure(context: IContext, value: any, message?: string): IValidationResult;
 export declare function flattenTypeErrors(errors: IValidationResult[]): IValidationResult;
-export declare function typecheck(type: IType<any, any>, value: any): void;
+export declare function typecheck(type: IAnyType, value: any): void;
 /**
@@ -28,5 +28,5 @@ * Run's the typechecker on the given type.
  * @export
- * @param {IType<any, any>} type
+ * @param {IAnyType} type
  * @param {*} value
  */
-export declare function typecheckPublic(type: IType<any, any>, value: any): void;
+export declare function typecheckPublic(type: IAnyType, value: any): void;

dist/core/type/type.d.ts

@@ -1,2 +0,2 @@
-import { IContext, IValidationResult, INode, IStateTreeNode, IJsonPatch, ObjectNode } from "../../internal";
+import { IContext, IValidationResult, INode, IStateTreeNode, IJsonPatch, ObjectNode, IChildNodesMap } from "../../internal";
 export declare enum TypeFlags {
@@ -23,8 +23,8 @@ String = 1,
 }
-export interface IType<S, T> {
+export interface IType<C, S, T> {
     name: string;
     flags: TypeFlags;
-    is(thing: any): thing is S | T;
+    is(thing: any): thing is C | S | T;
     validate(thing: any, context: IContext): IValidationResult;
-    create(snapshot?: S, environment?: any): T;
+    create(snapshot?: C, environment?: any): T;
     isType: boolean;
@@ -34,27 +34,31 @@ describe(): string;
     SnapshotType: S;
+    CreationType: C;
     instantiate(parent: INode | null, subpath: string, environment: any, initialValue?: any): INode;
+    initializeChildNodes(node: INode, snapshot: any): IChildNodesMap | null;
     reconcile(current: INode, newValue: any): INode;
     getValue(node: INode): T;
     getSnapshot(node: INode, applyPostProcess?: boolean): S;
-    applySnapshot(node: INode, snapshot: S): void;
+    applySnapshot(node: INode, snapshot: C): void;
     applyPatchLocally(node: INode, subpath: string, patch: IJsonPatch): void;
     getChildren(node: INode): ReadonlyArray<INode>;
     getChildNode(node: INode, key: string): INode;
-    getChildType(key: string): IType<any, any>;
+    getChildType(key: string): IAnyType;
     removeChild(node: INode, subpath: string): void;
-    isAssignableFrom(type: IType<any, any>): boolean;
+    isAssignableFrom(type: IAnyType): boolean;
     shouldAttachNode: boolean;
 }
-export interface ISimpleType<T> extends IType<T, T> {
+export declare type IAnyType = IType<any, any, any>;
+export interface ISimpleType<T> extends IType<T, T, T> {
 }
-export interface IComplexType<S, T> extends IType<S, T & IStateTreeNode> {
-    create(snapshot?: S, environment?: any): T & {
+export interface IComplexType<C, S, T> extends IType<C, S, T & IStateTreeNode> {
+    create(snapshot?: C, environment?: any): T & {
         toJSON?(): S;
     } & ISnapshottable<S>;
 }
-export declare abstract class ComplexType<S, T> implements IType<S, T> {
+export declare abstract class ComplexType<C, S, T> implements IType<C, S, T> {
     readonly isType: boolean;
     readonly name: string;
     constructor(name: string);
-    create(snapshot?: S, environment?: any): any;
+    create(snapshot?: C, environment?: any): any;
+    initializeChildNodes(node: INode, snapshot: any): IChildNodesMap | null;
     abstract instantiate(parent: INode | null, subpath: string, environment: any, initialValue: any): INode;
@@ -70,7 +74,7 @@ abstract flags: TypeFlags;
     abstract applyPatchLocally(node: INode, subpath: string, patch: IJsonPatch): void;
-    abstract getChildType(key: string): IType<any, any>;
+    abstract getChildType(key: string): IAnyType;
     abstract removeChild(node: INode, subpath: string): void;
     abstract isValidSnapshot(value: any, context: IContext): IValidationResult;
     abstract shouldAttachNode: boolean;
-    isAssignableFrom(type: IType<any, any>): boolean;
+    isAssignableFrom(type: IAnyType): boolean;
     validate(value: any, context: IContext): IValidationResult;
@@ -81,4 +85,5 @@ is(value: any): value is S | T;
     readonly SnapshotType: S;
+    readonly CreationType: C;
 }
-export declare abstract class Type<S, T> extends ComplexType<S, T> implements IType<S, T> {
+export declare abstract class Type<C, S, T> extends ComplexType<C, S, T> implements IType<C, S, T> {
     constructor(name: string);
@@ -89,10 +94,10 @@ abstract instantiate(parent: INode | null, subpath: string, environment: any, initialValue: any): INode;
     getDefaultSnapshot(): undefined;
-    applySnapshot(node: INode, snapshot: S): void;
+    applySnapshot(node: INode, snapshot: C): void;
     applyPatchLocally(node: INode, subpath: string, patch: IJsonPatch): void;
     getChildren(node: INode): INode[];
     getChildNode(node: INode, key: string): INode;
-    getChildType(key: string): IType<any, any>;
+    getChildType(key: string): IAnyType;
     reconcile(current: INode, newValue: any): INode;
     removeChild(node: INode, subpath: string): void;
 }
-export declare function isType(value: any): value is IType<any, any>;
+export declare function isType(value: any): value is IAnyType;

dist/index.d.ts

 import "./internal";
-import { ISimpleType, IType, map, array, identifier, model, compose, reference, union, optional, literal, maybe, refinement, late, enumeration, custom } from "./internal";
+import { ISimpleType, IType, map, array, model, compose, reference, union, optional, literal, maybe, refinement, frozen, late, enumeration, custom, maybeNull } from "./internal";
 export declare const types: {
@@ -13,2 +13,3 @@ enumeration: typeof enumeration;
     maybe: typeof maybe;
+    maybeNull: typeof maybeNull;
     refinement: typeof refinement;
@@ -18,7 +19,8 @@ string: ISimpleType<string>;
     number: ISimpleType<number>;
-    Date: IType<number, Date>;
+    Date: IType<number, number, Date>;
     map: typeof map;
     array: typeof array;
-    frozen: ISimpleType<any>;
-    identifier: typeof identifier;
+    frozen: typeof frozen;
+    identifier: IType<string, string, string>;
+    identifierNumber: IType<number, number, number>;
     late: typeof late;
@@ -28,3 +30,3 @@ undefined: ISimpleType<undefined>;
 };
-export { IModelType, IExtendedObservableMap, IType, ISimpleType, IComplexType, ISnapshottable, Snapshot, typecheckPublic as typecheck, escapeJsonPath, unescapeJsonPath, joinJsonPath, splitJsonPath, IJsonPatch, decorate, addMiddleware, IMiddlewareEvent, IMiddlewareHandler, IMiddlewareEventType, process, isStateTreeNode, IStateTreeNode, flow, applyAction, onAction, IActionRecorder, ISerializedActionCall, recordActions, createActionTrackingMiddleware } from "./internal";
+export { IAnyType, IModelType, IMSTMap, IType, ISimpleType, IComplexType, ISnapshottable, typecheckPublic as typecheck, escapeJsonPath, unescapeJsonPath, joinJsonPath, splitJsonPath, IJsonPatch, decorate, addMiddleware, IMiddlewareEvent, IMiddlewareHandler, IMiddlewareEventType, process, isStateTreeNode, IStateTreeNode, flow, applyAction, onAction, IActionRecorder, ISerializedActionCall, recordActions, createActionTrackingMiddleware, setLivelynessChecking, LivelynessMode } from "./internal";
 export * from "./core/mst-operations";

dist/mobx-state-tree.umd.js

@@ -1,1 +0,1 @@
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports,require("mobx")):"function"==typeof define&&define.amd?define(["exports","mobx"],e):e(t.mobxStateTree=t.mobxStateTree||{},t.mobx)}(this,function(t,e){"use strict";function n(t,e){function n(){this.constructor=t}Ot(t,e),t.prototype=null===e?Object.create(e):(n.prototype=e.prototype,new n)}function r(t,e){var n={};for(var r in t)Object.prototype.hasOwnProperty.call(t,r)&&e.indexOf(r)<0&&(n[r]=t[r]);if(null!=t&&"function"==typeof Object.getOwnPropertySymbols)for(var i=0,r=Object.getOwnPropertySymbols(t);i<r.length;i++)e.indexOf(r[i])<0&&(n[r[i]]=t[r[i]]);return n}function i(t,e,n,r){var i,o=arguments.length,a=o<3?e:null===r?r=Object.getOwnPropertyDescriptor(e,n):r;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)a=Reflect.decorate(t,e,n,r);else for(var s=t.length-1;s>=0;s--)(i=t[s])&&(a=(o<3?i(a):o>3?i(e,n,a):i(e,n))||a);return o>3&&a&&Object.defineProperty(e,n,a),a}function o(t){return F(t).type}function a(t,e){return F(t).onPatch(e)}function s(t,e){F(t).applyPatches(G(e))}function u(t,e){return F(t).applySnapshot(e)}function p(t){return F(t).root.storedValue}function c(t,e){var n=U(F(t),e,!1);if(void 0!==n)try{return n.value}catch(t){return}}function l(t,e){var n=F(t);n.getChildren().forEach(function(t){M(t.storedValue)&&l(t.storedValue,e)}),e(n.storedValue)}function f(t){return"object"==typeof t&&t&&!0===t.isType}function h(t,e,n,r){if(r instanceof Date)return{$MST_DATE:r.getTime()};if(Q(r))return r;if(M(r))return y("[MSTNode: "+o(r).name+"]");if("function"==typeof r)return y("[function]");if("object"==typeof r&&!K(r)&&!Z(r))return y("[object "+(r&&r.constructor&&r.constructor.name||"Complex Object")+"]");try{return JSON.stringify(r),r}catch(t){return y(""+t)}}function d(t,e){return e&&"object"==typeof e&&"$MST_DATE"in e?new Date(e.$MST_DATE):e}function y(t){return{$MST_UNSERIALIZABLE:!0,type:t}}function v(t,n){e.runInAction(function(){G(n).forEach(function(e){return b(t,e)})})}function b(t,e){var n=c(t,e.path||"");if(!n)return J("Invalid action path: "+(e.path||""));var r=F(n);return"@APPLY_PATCHES"===e.name?s.call(null,n,e.args[0]):"@APPLY_SNAPSHOT"===e.name?u.call(null,n,e.args[0]):("function"!=typeof n[e.name]&&J("Action '"+e.name+"' does not exist in '"+r.path+"'"),n[e.name].apply(n,e.args?e.args.map(function(t){return d(r,t)}):[]))}function m(t,e,n){function r(n){if("action"===n.type&&n.id===n.rootId){var r=F(n.context);e({name:n.name,path:H(F(t),r),args:n.args.map(function(t,e){return h(r,n.name,e,t)})})}}return void 0===n&&(n=!1),P(t,n?function(t,e){var n=e(t);return r(t),n}:function(t,e){return r(t),e(t)})}function g(){return Mt++}function A(t,e){var n=F(t.context),r=n._isRunningAction,i=Ft;"action"===t.type&&n.assertAlive(),n._isRunningAction=!0,Ft=t;try{return j(n,t,e)}finally{Ft=i,n._isRunningAction=r}}function w(){return Ft||J("Not running an action!")}function V(t,e,n){var r=function(){var r=g();return A({type:"action",name:e,id:r,args:at(arguments),context:t,tree:p(t),rootId:Ft?Ft.rootId:r,parentId:Ft?Ft.id:0},n)};return r._isMSTAction=!0,r}function P(t,e,n){return void 0===n&&(n=!0),F(t).addMiddleWare(e,n)}function S(t,e,n){for(var r=n.$mst_middleware||$t,i=t;i;)i.middlewares&&(r=r.concat(i.middlewares)),i=i.parent;return r}function j(t,n,r){function i(t){function n(t,e){l=!0,s=e?e(i(t)||s):i(t)}function u(t){f=!0,s=t}var p=o[a++],c=p&&p.handler,l=!1,f=!1,h=function(){return c(t,n,u),s};return c&&p.includeHooks?h():c&&!p.includeHooks?Bt[t.name]?i(t):h():e.action(r).apply(null,t.args)}var o=S(t,n,r);if(!o.length)return e.action(r).apply(null,n.args);var a=0,s=null;return i(n)}function T(t){try{return JSON.stringify(t)}catch(t){return"<Unserializable: "+t+">"}}function N(t){return"function"==typeof t?"<function"+(t.name?" 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this.snapshotSubscribers||(this.snapshotSubscribers=[]),ot(this.snapshotSubscribers,t)},t.prototype.emitSnapshot=function(t){this.snapshotSubscribers&&this.snapshotSubscribers.forEach(function(e){return e(t)})},t.prototype.onPatch=function(t){return this.patchSubscribers||(this.patchSubscribers=[]),ot(this.patchSubscribers,t)},t.prototype.emitPatch=function(t,e){if(this.patchSubscribers&&this.patchSubscribers.length){var n=pt(B({},t,{path:e.path.substr(this.path.length)+"/"+t.path})),r=n[0],i=n[1];this.patchSubscribers.forEach(function(t){return t(r,i)})}this.parent&&this.parent.emitPatch(t,e)},t.prototype.addDisposer=function(t){this.disposers||(this.disposers=[]),this.disposers.unshift(t)},t.prototype.removeMiddleware=function(t){this.middlewares&&(this.middlewares=this.middlewares.filter(function(e){return e.handler!==t}))},t.prototype.addMiddleWare=function(t,e){var n=this;return void 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Trying to store key '"+n+"', but expected: '"+t+"'")}},r.prototype.getValue=function(t){return t.storedValue},r.prototype.getSnapshot=function(t){var e={};return t.getChildren().forEach(function(t){e[t.subpath]=t.snapshot}),e},r.prototype.didChange=function(t){var e=F(t.object);switch(t.type){case"update":return void e.emitPatch({op:"replace",path:ht(t.name),value:t.newValue.snapshot,oldValue:t.oldValue?t.oldValue.snapshot:void 0},e);case"add":return void e.emitPatch({op:"add",path:ht(t.name),value:t.newValue.snapshot,oldValue:void 0},e);case"delete":var n=t.oldValue.snapshot;return t.oldValue.die(),void e.emitPatch({op:"remove",path:ht(t.name),oldValue:n},e)}},r.prototype.applyPatchLocally=function(t,e,n){var r=t.storedValue;switch(n.op){case"add":case"replace":r.set(e,n.value);break;case"remove":r.delete(e)}},r.prototype.applySnapshot=function(t,e){x(this,e);var n=t.storedValue,r={};Array.from(n.keys()).forEach(function(t){r[t]=!1});for(var i in e)n.set(""+i,e[i]),r[""+i]=!0;Object.keys(r).forEach(function(t){!1===r[t]&&n.delete(t)})},r.prototype.getChildType=function(t){return this.subType},r.prototype.isValidSnapshot=function(t,e){var n=this;return K(t)?E(Object.keys(t).map(function(r){return n.subType.validate(t[r],_(e,r,n.subType))})):D(e,t,"Value is not a plain object")},r.prototype.getDefaultSnapshot=function(){return{}},r.prototype.removeChild=function(t,e){t.storedValue.delete(e)},i([e.action],r.prototype,"applySnapshot",null),r}(Rt),qt=function(t){function r(n,r){var i=t.call(this,n)||this;return i.shouldAttachNode=!0,i.flags=Ct.Array,i.createNewInstance=function(){return e.observable.array([],Wt)},i.finalizeNewInstance=function(t,n){var r=t,o=r.storedValue;e._getAdministration(o).dehancer=r.unbox,e.intercept(o,function(t){return i.willChange(t)}),r.applySnapshot(n),e.observe(o,i.didChange)},i.subType=r,i}return n(r,t),r.prototype.describe=function(){return this.subType.describe()+"[]"},r.prototype.instantiate=function(t,e,n,r){return z(this,t,e,n,r,this.createNewInstance,this.finalizeNewInstance)},r.prototype.getChildren=function(t){return t.storedValue.slice()},r.prototype.getChildNode=function(t,e){var n=parseInt(e,10);return n<t.storedValue.length?t.storedValue[n]:J("Not a child: "+e)},r.prototype.willChange=function(t){var e=F(t.object);e.assertWritable();var n=e.getChildren();switch(t.type){case"update":if(t.newValue===t.object[t.index])return null;t.newValue=mt(e,this.subType,[n[t.index]],[t.newValue],[t.index])[0];break;case"splice":var r=t.index,i=t.removedCount,o=t.added;t.added=mt(e,this.subType,n.slice(r,r+i),o,o.map(function(t,e){return r+e}));for(var a=r+i;a<n.length;a++)n[a].setParent(e,""+(a+o.length-i))}return t},r.prototype.getValue=function(t){return t.storedValue},r.prototype.getSnapshot=function(t){return t.getChildren().map(function(t){return t.snapshot})},r.prototype.didChange=function(t){var e=F(t.object);switch(t.type){case"update":return void e.emitPatch({op:"replace",path:""+t.index,value:t.newValue.snapshot,oldValue:t.oldValue?t.oldValue.snapshot:void 0},e);case"splice":for(n=t.removedCount-1;n>=0;n--)e.emitPatch({op:"remove",path:""+(t.index+n),oldValue:t.removed[n].snapshot},e);for(var n=0;n<t.addedCount;n++)e.emitPatch({op:"add",path:""+(t.index+n),value:e.getChildNode(""+(t.index+n)).snapshot,oldValue:void 0},e);return}},r.prototype.applyPatchLocally=function(t,e,n){var r=t.storedValue,i="-"===e?r.length:parseInt(e);switch(n.op){case"replace":r[i]=n.value;break;case"add":r.splice(i,0,n.value);break;case"remove":r.splice(i,1)}},r.prototype.applySnapshot=function(t,e){x(this,e),t.storedValue.replace(e)},r.prototype.getChildType=function(t){return this.subType},r.prototype.isValidSnapshot=function(t,e){var n=this;return Z(t)?E(t.map(function(t,r){return n.subType.validate(t,_(e,""+r,n.subType))})):D(e,t,"Value is not an 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i,o=M(r)?"object":"identifier",a=z(this,t,e,n,i=new Pe(o,r,this.targetType));return i.node=a,a},e.prototype.reconcile=function(t,e){if(t.type===this){var n=M(e)?"object":"identifier",r=t.storedValue;if(n===r.mode&&r.value===e)return t}var i=this.instantiate(t.parent,t.subpath,t._environment,e);return t.die(),i},e}(Se),_e=function(t){function e(e,n){var r=t.call(this,e)||this;return r.options=n,r}return n(e,t),e.prototype.getValue=function(t){if(t.isAlive)return this.options.get(t.storedValue,t.parent?t.parent.storedValue:null)},e.prototype.getSnapshot=function(t){return t.storedValue},e.prototype.instantiate=function(t,e,n,r){return z(this,t,e,n,M(r)?this.options.set(r,t?t.storedValue:null):r)},e.prototype.reconcile=function(t,e){var n=M(e)?this.options.set(e,t?t.storedValue:null):e;if(t.type===this&&t.storedValue===n)return t;var r=this.instantiate(t.parent,t.subpath,t._environment,n);return t.die(),r},e}(Se),Ne=function(t){function e(){var e=t.call(this,"identifier")||this;return 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Changing identifiers is not allowed."):t},e.prototype.describe=function(){return"identifier"},e.prototype.isValidSnapshot=function(t,e){return"string"!=typeof t?E(e,t,"Value is not a valid identifier, expected a string"):I()},e}(Ht),Ce=function(t){function e(){var e=t.call(this)||this;return e.name="identifierNumber",e}return n(e,t),e.prototype.instantiate=function(e,n,r,i){return t.prototype.instantiate.call(this,e,n,r,i)},e.prototype.isValidSnapshot=function(t,e){return"number"==typeof t?I():E(e,t,"Value is not a valid identifierNumber, expected a number")},e.prototype.reconcile=function(e,n){return t.prototype.reconcile.call(this,e,n)},e.prototype.getSnapshot=function(t){return t.storedValue},e.prototype.describe=function(){return"identifierNumber"},e}(Ne),Te=new Ne,je=new Ce,Oe=function(t){function e(e){var n=t.call(this,e.name)||this;return n.options=e,n.flags=It.Reference,n.shouldAttachNode=!1,n}return n(e,t),e.prototype.describe=function(){return this.name},e.prototype.isAssignableFrom=function(t){return t===this},e.prototype.isValidSnapshot=function(t,e){if(this.options.isTargetType(t))return I();var n=this.options.getValidationMessage(t);return n?E(e,t,"Invalid value for type '"+this.name+"': "+n):I()},e.prototype.getValue=function(t){if(t.isAlive)return t.storedValue},e.prototype.getSnapshot=function(t){return this.options.toSnapshot(t.storedValue)},e.prototype.instantiate=function(t,e,n,r){return z(this,t,e,n,this.options.isTargetType(r)?r:this.options.fromSnapshot(r))},e.prototype.reconcile=function(t,e){var n=!this.options.isTargetType(e);if(t.type===this&&(n?e===t.snapshot:e===t.storedValue))return t;var r=n?this.options.fromSnapshot(e):e,i=this.instantiate(t.parent,t.subpath,t._environment,r);return t.die(),i},e}(Ht),Ie={enumeration:function(t,e){var n="string"==typeof t?e:t,r=jt.apply(void 0,n.map(function(t){return Tt(""+t)}));return"string"==typeof t&&(r.name=t),r},model:function(){for(var t=[],e=0;e<arguments.length;e++)t[e]=arguments[e];var n="string"==typeof t[0]?t.shift():"AnonymousModel",r=t.shift()||{};return new oe({name:n,properties:r})},compose:function(){for(var t=[],e=0;e<arguments.length;e++)t[e]=arguments[e];var n="string"==typeof t[0]?t.shift():"AnonymousModel";return t.reduce(function(t,e){return t.cloneAndEnhance({name:t.name+"_"+e.name,properties:e.properties,initializers:e.initializers})}).named(n)},custom:function(t){return new Oe(t)},reference:function(t,e){return e?new _e(t,e):new Ve(t)},union:jt,optional:Ot,literal:Tt,maybe:function(t){return jt(t,ve)},maybeNull:function(t){return jt(t,ge)},refinement:function(){for(var t=[],e=0;e<arguments.length;e++)t[e]=arguments[e];var n="string"==typeof t[0]?t.shift():h(t[0])?t[0].name:null,r=t[0],i=t[1],o=t[2]?t[2]:function(t){return"Value does not respect the refinement predicate"};return new de(n,r,i,o)},string:se,boolean:pe,number:ue,Date:he,map:function(t){return new ne("map<string, "+t.name+">",t)},array:function(t){return new re(t.name+"[]",t)},frozen:function(t){return 0===arguments.length?Ae:h(t)?new we(t):Ot(Ae,t)},identifier:Te,identifierNumber:je,late:function(t,e){var n="string"==typeof t?t:"late("+t.toString()+")";return new me(n,"string"==typeof t?e:t)},undefined:le,null:ce};t.types=Ie,t.typecheck=R,t.escapeJsonPath=yt,t.unescapeJsonPath=bt,t.joinJsonPath=vt,t.splitJsonPath=gt,t.decorate=function(t,e){var n={handler:t,includeHooks:!0};return e.$mst_middleware?e.$mst_middleware.push(n):e.$mst_middleware=[n],e},t.addMiddleware=S,t.process=function(t){return qt("process","`process()` has been renamed to `flow()`. "+Zt),pt(t)},t.isStateTreeNode=M,t.flow=pt,t.applyAction=b,t.onAction=g,t.recordActions=function(t){var e={actions:[],stop:function(){return n()},replay:function(t){b(t,e.actions)}},n=g(t,e.actions.push.bind(e.actions));return e},t.createActionTrackingMiddleware=function(t){return function(e,n,r){switch(e.type){case"action":if(t.filter&&!0!==t.filter(e))return n(e);var i=t.onStart(e);t.onResume(e,i),Ut.set(e.id,{call:e,context:i,async:!1});try{var o=n(e);return t.onSuspend(e,i),!1===Ut.get(e.id).async&&(Ut.delete(e.id),t.onSuccess(e,i,o)),o}catch(n){throw Ut.delete(e.id),t.onFail(e,i,n),n}case"flow_spawn":return(a=Ut.get(e.rootId)).async=!0,n(e);case"flow_resume":case"flow_resume_error":a=Ut.get(e.rootId),t.onResume(e,a.context);try{return n(e)}finally{t.onSuspend(e,a.context)}case"flow_throw":return a=Ut.get(e.rootId),Ut.delete(e.id),t.onFail(e,a.context,e.args[0]),n(e);case"flow_return":var a=Ut.get(e.rootId);return Ut.delete(e.id),t.onSuccess(e,a.context,e.args[0]),n(e)}}},t.setLivelynessChecking=function(t){zt=t},t.getType=o,t.getChildType=function(t,e){return F(t).getChildType(e)},t.onPatch=a,t.onSnapshot=function(t,e){return F(t).onSnapshot(e)},t.applyPatch=s,t.recordPatches=function(t){function e(){n||(n=a(t,function(t,e){r.rawPatches.push([t,e])}))}var n=null,r={rawPatches:[],get patches(){return this.rawPatches.map(function(t){return t[0]})},get inversePatches(){return this.rawPatches.map(function(t){return t[0],t[1]})},stop:function(){n&&n(),n=null},resume:e,replay:function(e){s(e||t,r.patches)},undo:function(e){s(e||t,r.inversePatches.slice().reverse())}};return e(),r},t.protect=function(t){var e=F(t);e.isRoot||W("`protect` can only be invoked on root nodes"),e.isProtectionEnabled=!0},t.unprotect=function(t){var e=F(t);e.isRoot||W("`unprotect` can only be invoked on root nodes"),e.isProtectionEnabled=!1},t.isProtected=function(t){return F(t).isProtected},t.applySnapshot=u,t.getSnapshot=function(t,e){void 0===e&&(e=!0);var n=F(t);return e?n.snapshot:tt(n.type.getSnapshot(n,!1))},t.hasParent=function(t,e){void 0===e&&(e=1);for(var n=F(t).parent;n;){if(0==--e)return!0;n=n.parent}return!1},t.getParent=function(t,e){void 0===e&&(e=1);for(var n=e,r=F(t).parent;r;){if(0==--n)return r.storedValue;r=r.parent}return W("Failed to find the parent of "+F(t)+" at depth "+e)},t.hasParentOfType=function(t,e){for(var n=F(t).parent;n;){if(e.is(n.storedValue))return!0;n=n.parent}return!1},t.getParentOfType=function(t,e){for(var n=F(t).parent;n;){if(e.is(n.storedValue))return n.storedValue;n=n.parent}return W("Failed to find the parent of "+F(t)+" of a given type")},t.getRoot=p,t.getPath=function(t){return F(t).path},t.getPathParts=function(t){return gt(F(t).path)},t.isRoot=function(t){return F(t).isRoot},t.resolvePath=function(t,e){var n=U(F(t),e);return n?n.value:void 0},t.resolveIdentifier=function(t,e,n){var r=F(e).root.identifierCache.resolve(t,""+n);return r?r.value:void 0},t.getIdentifier=function(t){return F(t).identifier},t.tryResolve=c,t.getRelativePath=function(t,e){return H(F(t),F(e))},t.clone=function(t,e){void 0===e&&(e=!0);var n=F(t);return n.type.create(n.snapshot,!0===e?n.root._environment:!1===e?void 0:e)},t.detach=function(t){return F(t).detach(),t},t.destroy=function(t){var e=F(t);e.isRoot?e.die():e.parent.removeChild(e.subpath)},t.isAlive=function(t){return F(t).isAlive},t.addDisposer=function(t,e){F(t).addDisposer(e)},t.getEnv=function(t){var e=F(t).root._environment;return e||Bt},t.walk=l,t.getMembers=function(t){var n=F(t).type,r=Object.getOwnPropertyNames(t),i={name:n.name,properties:Dt({},n.properties),actions:[],volatile:[],views:[]};return r.forEach(function(n){if(!(n in i.properties)){var r=Object.getOwnPropertyDescriptor(t,n);r.get?e.isComputedProp(t,n)?i.views.push(n):i.volatile.push(n):!0===r.value._isMSTAction?i.actions.push(n):e.isObservableProp(t,n)?i.volatile.push(n):i.views.push(n)}}),i},Object.defineProperty(t,"__esModule",{value:!0})});

dist/types/complex-types/array.d.ts

 import { IObservableArray, IArrayWillChange, IArrayWillSplice, IArrayChange, IArraySplice } from "mobx";
-import { IJsonPatch, INode, IContext, IValidationResult, ComplexType, IComplexType, IType, TypeFlags, ObjectNode } from "../../internal";
-export declare class ArrayType<S, T> extends ComplexType<S[], IObservableArray<T>> {
+import { IJsonPatch, INode, IContext, IValidationResult, ComplexType, IComplexType, IType, TypeFlags, ObjectNode, IChildNodesMap, IAnyType } from "../../internal";
+export declare class ArrayType<C, S, T> extends ComplexType<C[], S[], IObservableArray<T>> {
     shouldAttachNode: boolean;
-    subType: IType<any, any>;
+    subType: IAnyType;
     readonly flags: TypeFlags;
-    constructor(name: string, subType: IType<any, any>);
+    constructor(name: string, subType: IAnyType);
     describe(): string;
-    createNewInstance: () => IObservableArray<never>;
-    finalizeNewInstance: (node: INode, snapshot: any) => void;
+    createNewInstance(childNodes: IChildNodesMap): IObservableArray<INode>;
+    finalizeNewInstance(node: INode): void;
     instantiate(parent: ObjectNode | null, subpath: string, environment: any, snapshot: S): INode;
+    initializeChildNodes(objNode: ObjectNode, snapshot?: S[]): IChildNodesMap;
     getChildren(node: ObjectNode): INode[];
@@ -20,5 +21,5 @@ getChildNode(node: ObjectNode, key: string): INode;
     applySnapshot(node: ObjectNode, snapshot: any[]): void;
-    getChildType(key: string): IType<any, any>;
+    getChildType(key: string): IAnyType;
     isValidSnapshot(value: any, context: IContext): IValidationResult;
-    getDefaultSnapshot(): never[];
+    getDefaultSnapshot(): ReadonlyArray<any>;
     removeChild(node: ObjectNode, subpath: string): void;
@@ -50,3 +51,3 @@ }
  */
-export declare function array<S, T>(subtype: IType<S, T>): IComplexType<S[], IObservableArray<T>>;
-export declare function isArrayType<S, T>(type: any): type is IComplexType<S[], IObservableArray<T>>;
+export declare function array<C, S, T>(subtype: IType<C, S, T>): IComplexType<ReadonlyArray<C>, ReadonlyArray<S>, IObservableArray<T>>;
+export declare function isArrayType<C, S, T>(type: any): type is IComplexType<C[], S[], IObservableArray<T>>;

dist/types/complex-types/map.d.ts

@@ -1,5 +0,41 @@
-import { ObservableMap, IMapWillChange, IMapDidChange } from "mobx";
-import { IJsonPatch, INode, IType, IComplexType, ComplexType, TypeFlags, IContext, IValidationResult, ObjectNode } from "../../internal";
-export interface IExtendedObservableMap<T> extends ObservableMap<string, T> {
-    put(value: T | any): this;
+import { IMapWillChange, IMapDidChange, IKeyValueMap, Lambda, IInterceptor } from "mobx";
+import { IJsonPatch, INode, IType, IComplexType, ComplexType, TypeFlags, IContext, IValidationResult, ObjectNode, IChildNodesMap, IAnyType } from "../../internal";
+export interface IMSTMap<C, S, T> {
+    clear(): void;
+    delete(key: string): boolean;
+    forEach(callbackfn: (value: T, key: string, map: IMSTMap<C, S, T>) => void, thisArg?: any): void;
+    get(key: string): T | undefined;
+    has(key: string): boolean;
+    set(key: string, value: C | S | T): this;
+    readonly size: number;
+    put(value: C | S | T): T;
+    keys(): IterableIterator<string>;
+    values(): IterableIterator<T>;
+    entries(): IterableIterator<[string, T]>;
+    [Symbol.iterator](): IterableIterator<[string, T]>;
+    /** Merge another object into this map, returns self. */
+    merge(other: IMSTMap<any, any, T> | IKeyValueMap<C | S | T> | any): this;
+    clear(): void;
+    replace(values: IMSTMap<any, any, T> | IKeyValueMap<T>): this;
+    /**
+     * Returns a plain object that represents this map.
+     * Note that all the keys being stringified.
+     * If there are duplicating keys after converting them to strings, behaviour is undetermined.
+     */
+    toPOJO(): IKeyValueMap<T>;
+    /**
+     * Returns a shallow non observable object clone of this map.
+     * Note that the values migth still be observable. For a deep clone use mobx.toJS.
+     */
+    toJS(): Map<string, T>;
+    toJSON(): IKeyValueMap<T>;
+    toString(): string;
+    [Symbol.toStringTag]: "Map";
+    /**
+     * Observes this object. Triggers for the events 'add', 'update' and 'delete'.
+     * See: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/observe
+     * for callback details
+     */
+    observe(listener: (changes: IMapDidChange<string, T>) => void, fireImmediately?: boolean): Lambda;
+    intercept(handler: IInterceptor<IMapWillChange<string, T>>): Lambda;
 }
@@ -11,15 +47,15 @@ export declare enum MapIdentifierMode {
 }
-export declare class MapType<S, T> extends ComplexType<{
-    [key: string]: S;
-}, IExtendedObservableMap<T>> {
+export declare class MapType<C, S, T> extends ComplexType<IKeyValueMap<C>, IKeyValueMap<S>, IMSTMap<C, S, T>> {
     shouldAttachNode: boolean;
-    subType: IType<any, any>;
+    subType: IAnyType;
     identifierMode: MapIdentifierMode;
     identifierAttribute: string | undefined;
     readonly flags: TypeFlags;
-    constructor(name: string, subType: IType<any, any>);
+    constructor(name: string, subType: IAnyType);
     instantiate(parent: ObjectNode | null, subpath: string, environment: any, snapshot: S): INode;
+    private _determineIdentifierMode();
+    initializeChildNodes(objNode: ObjectNode, initialSnapshot?: any): IChildNodesMap;
     describe(): string;
-    createNewInstance: () => ObservableMap<any, any>;
-    finalizeNewInstance: (node: INode, snapshot: any) => void;
+    createNewInstance(childNodes: IChildNodesMap): IMSTMap<any, any, any>;
+    finalizeNewInstance(node: INode): void;
     getChildren(node: ObjectNode): ReadonlyArray<INode>;
@@ -30,9 +66,7 @@ getChildNode(node: ObjectNode, key: string): INode;
     getValue(node: ObjectNode): any;
-    getSnapshot(node: ObjectNode): {
-        [key: string]: any;
-    };
+    getSnapshot(node: ObjectNode): IKeyValueMap<S>;
     didChange(change: IMapDidChange<any, any>): void;
     applyPatchLocally(node: ObjectNode, subpath: string, patch: IJsonPatch): void;
     applySnapshot(node: ObjectNode, snapshot: any): void;
-    getChildType(key: string): IType<any, any>;
+    getChildType(key: string): IAnyType;
     isValidSnapshot(value: any, context: IContext): IValidationResult;
@@ -42,7 +76,3 @@ getDefaultSnapshot(): {};
 }
-export declare function map<S, T>(subtype: IComplexType<S, T>): IComplexType<{
-    [key: string]: S;
-}, IExtendedObservableMap<T>>;
-export declare function isMapType<S, T>(type: any): type is IComplexType<{
-    [key: string]: S;
-}, IExtendedObservableMap<T>>;
+export declare function map<C, S, T>(subtype: IType<C, S, T>): IComplexType<IKeyValueMap<C>, IKeyValueMap<S>, IMSTMap<C, S, T>>;
+export declare function isMapType<C, S, T>(type: any): type is IComplexType<IKeyValueMap<C>, IKeyValueMap<S>, IMSTMap<C, S, T>>;

dist/types/complex-types/model.d.ts

@@ -1,58 +0,119 @@
-import { IObjectWillChange } from "mobx";
-import { IStateTreeNode, IJsonPatch, INode, ComplexType, IComplexType, IType, TypeFlags, IContext, IValidationResult, ObjectNode } from "../../internal";
+import { IObjectWillChange, IObservableArray } from "mobx";
+import { IStateTreeNode, IJsonPatch, INode, ComplexType, IComplexType, IType, TypeFlags, IContext, IValidationResult, ObjectNode, IChildNodesMap, IAnyType, IMSTMap } from "../../internal";
 export declare enum HookNames {
     afterCreate = "afterCreate",
     afterAttach = "afterAttach",
-    postProcessSnapshot = "postProcessSnapshot",
     beforeDetach = "beforeDetach",
     beforeDestroy = "beforeDestroy",
 }
+export declare type ModelProperties = {
+    [key: string]: IAnyType;
+};
+export declare type ModelPrimitive = string | number | boolean | Date;
+export declare type ModelPropertiesDeclaration = {
+    [key: string]: ModelPrimitive | IAnyType;
+};
+/**
+ * Unmaps syntax property declarations to a map of { propName: IType }
+ */
+export declare type ModelPropertiesDeclarationToProperties<T extends ModelPropertiesDeclaration> = {
+    [K in keyof T]: T[K] extends string ? IType<string | undefined, string, string> & {
+        flags: TypeFlags.Optional;
+    } : T[K] extends number ? IType<number | undefined, number, number> & {
+        flags: TypeFlags.Optional;
+    } : T[K] extends boolean ? IType<boolean | undefined, boolean, boolean> & {
+        flags: TypeFlags.Optional;
+    } : T[K] extends Date ? IType<number | undefined, number, Date> & {
+        flags: TypeFlags.Optional;
+    } : T[K] extends (IComplexType<infer C, infer S, IObservableArray<infer A>>) ? IComplexType<C, S, IObservableArray<A>> & {
+        flags: TypeFlags.Optional;
+    } : T[K] extends (IComplexType<infer C, infer S, IMSTMap<infer X, infer Y, infer Z>>) ? IComplexType<C, S, IMSTMap<X, Y, Z>> & {
+        flags: TypeFlags.Optional;
+    } : T[K] extends IType<infer C, infer S, infer A> & {
+        flags: TypeFlags.Optional;
+    } ? IType<C, S, A> & {
+        flags: TypeFlags.Optional;
+    } : T[K] extends IType<infer C, infer S, infer A> ? IType<C, S, A> : never;
+};
+export declare type OptionalPropertyTypes = ModelPrimitive | {
+    flags: TypeFlags.Optional;
+};
+export declare type RequiredPropNames<T> = {
+    [K in keyof T]: T[K] extends OptionalPropertyTypes ? never : undefined extends T[K] ? never : K;
+}[keyof T];
+export declare type RequiredProps<T> = Pick<T, RequiredPropNames<T>>;
+export declare type OptionalPropNames<T> = {
+    [K in keyof T]: T[K] extends OptionalPropertyTypes ? K : never;
+}[keyof T];
+export declare type OptionalProps<T> = Pick<T, OptionalPropNames<T>>;
+/**
+ * Maps property types to the snapshot, including omitted optional attributes
+ */
+export declare type ModelCreationType<T extends ModelProperties> = {
+    readonly [K in keyof RequiredProps<T>]: T[K] extends IType<infer X, any, infer Y> ? X | Y : never;
+} & {
+    readonly [K in keyof OptionalProps<T>]?: T[K] extends IType<infer X, any, infer Y> ? X | Y : never;
+};
+export declare type ModelSnapshotType<T extends ModelProperties> = {
+    readonly [K in keyof RequiredProps<T>]: T[K] extends IType<any, infer X, any> ? X : never;
+} & {
+    readonly [K in keyof OptionalProps<T>]: T[K] extends IType<any, infer X, any> ? X : never;
+};
+export declare type ModelInstanceType<T extends ModelProperties, O> = {
+    [K in keyof T]: T[K] extends IType<any, any, infer X> ? X : never;
+} & O & IStateTreeNode;
+export declare type ModelActions = {
+    [key: string]: Function;
+};
+export interface IModelType<PROPS extends ModelProperties, OTHERS, C = ModelCreationType<PROPS>, S = ModelSnapshotType<PROPS>, T = ModelInstanceType<PROPS, OTHERS>> extends IComplexType<C, S, T> {
+    readonly properties: PROPS;
+    named(newName: string): this;
+    props<PROPS2 extends ModelPropertiesDeclaration>(props: PROPS2): IModelType<PROPS & ModelPropertiesDeclarationToProperties<PROPS2>, OTHERS>;
+    views<V extends Object>(fn: (self: ModelInstanceType<PROPS, OTHERS>) => V): IModelType<PROPS, OTHERS & V>;
+    actions<A extends ModelActions>(fn: (self: ModelInstanceType<PROPS, OTHERS>) => A): IModelType<PROPS, OTHERS & A>;
+    volatile<TP extends object>(fn: (self: ModelInstanceType<PROPS, OTHERS>) => TP): IModelType<PROPS, OTHERS & TP>;
+    extend<A extends ModelActions = {}, V extends Object = {}, VS extends Object = {}>(fn: (self: ModelInstanceType<PROPS, OTHERS>) => {
+        actions?: A;
+        views?: V;
+        state?: VS;
+    }): IModelType<PROPS, OTHERS & A & V & VS>;
+    preProcessSnapshot<S0 = ModelCreationType<PROPS>>(fn: (snapshot: S0) => ModelCreationType<PROPS>): IModelType<PROPS, OTHERS, S0>;
+    postProcessSnapshot<S1 = ModelCreationType<PROPS>>(fn: (snapshot: ModelSnapshotType<PROPS>) => S1): IModelType<PROPS, OTHERS, S1>;
+}
 export declare type ModelTypeConfig = {
     name?: string;
-    properties?: {
-        [K: string]: IType<any, any>;
-    };
+    properties?: ModelProperties;
     initializers?: ReadonlyArray<((instance: any) => any)>;
     preProcessor?: (snapshot: any) => any;
+    postProcessor?: (snapshot: any) => any;
 };
-export declare class ModelType<S, T> extends ComplexType<S, T> implements IModelType<S, T> {
+export declare class ModelType<S extends ModelProperties, T> extends ComplexType<any, any, any> implements IModelType<S, T> {
     readonly flags: TypeFlags;
     shouldAttachNode: boolean;
+    readonly identifierAttribute: string | undefined;
     readonly initializers: ((instance: any) => any)[];
-    readonly properties: {
-        [K: string]: IType<any, any>;
-    };
+    readonly properties: any;
     private preProcessor;
+    private postProcessor;
+    private readonly propertyNames;
     constructor(opts: ModelTypeConfig);
-    readonly propertyNames: string[];
+    private _getIdentifierAttribute();
     cloneAndEnhance(opts: ModelTypeConfig): ModelType<any, any>;
-    actions<A extends {
-        [name: string]: Function;
-    }>(fn: (self: T) => A): IModelType<S, T & A>;
-    instantiateActions(self: T, actions: {
-        [name: string]: Function;
-    }): void;
-    named(name: string): IModelType<S, T>;
-    props<SP, TP>(properties: {
-        [K in keyof TP]: IType<any, TP[K]> | TP[K];
-    } & {
-        [K in keyof SP]: IType<SP[K], any> | SP[K];
-    }): IModelType<S & SP, T & TP>;
-    volatile<TP>(fn: (self: T) => TP): IModelType<S, T & TP>;
+    actions(fn: (self: any) => any): any;
+    instantiateActions(self: T, actions: any): void;
+    named(name: string): this;
+    props(properties: ModelPropertiesDeclaration): any;
+    volatile(fn: (self: any) => any): any;
     instantiateVolatileState(self: T, state: Object): void;
-    extend<A extends {
-        [name: string]: Function;
-    } = {}, V extends Object = {}, VS extends Object = {}>(fn: (self: T & IStateTreeNode) => {
-        actions?: A;
-        views?: V;
-        state?: VS;
-    }): IModelType<S, T & A & V & VS>;
-    views<V extends Object>(fn: (self: T) => V): IModelType<S, T & V>;
+    extend(fn: (self: any) => any): any;
+    views(fn: (self: any) => any): any;
     instantiateViews(self: T, views: Object): void;
-    preProcessSnapshot(preProcessor: (snapshot: any) => S): IModelType<S, T>;
+    preProcessSnapshot(preProcessor: (snapshot: any) => any): any;
+    postProcessSnapshot(postProcessor: (snapshot: any) => any): any;
     instantiate(parent: ObjectNode | null, subpath: string, environment: any, snapshot: any): INode;
-    createNewInstance: () => Object;
-    finalizeNewInstance: (node: INode, snapshot: any) => void;
+    initializeChildNodes(objNode: ObjectNode, initialSnapshot?: any): IChildNodesMap;
+    createNewInstance(): Object;
+    finalizeNewInstance(node: INode, childNodes: IChildNodesMap): void;
     willChange(change: any): IObjectWillChange | null;
-    didChange: (change: any) => void;
+    didChange(change: any): void;
     getChildren(node: ObjectNode): INode[];
@@ -65,3 +126,4 @@ getChildNode(node: ObjectNode, key: string): INode;
     applySnapshotPreProcessor(snapshot: any): any;
-    getChildType(key: string): IType<any, any>;
+    applySnapshotPostProcessor(snapshot: any): any;
+    getChildType(key: string): IAnyType;
     isValidSnapshot(value: any, context: IContext): IValidationResult;
@@ -73,39 +135,12 @@ private forAllProps(fn);
 }
-export interface IModelType<S, T> extends IComplexType<S, T & IStateTreeNode> {
-    readonly properties: {
-        readonly [K: string]: IType<any, any>;
-    };
-    named(newName: string): IModelType<S, T>;
-    props<SP, TP>(props: {
-        [K in keyof TP]: IType<any, TP[K]> | TP[K];
-    } & {
-        [K in keyof SP]: IType<SP[K], any> | SP[K];
-    }): IModelType<S & Snapshot<SP>, T & TP>;
-    views<V extends Object>(fn: (self: T & IStateTreeNode) => V): IModelType<S, T & V>;
-    actions<A extends {
-        [name: string]: Function;
-    }>(fn: (self: T & IStateTreeNode) => A): IModelType<S, T & A>;
-    volatile<TP>(fn: (self: T) => TP): IModelType<S, T & TP>;
-    extend<A extends {
-        [name: string]: Function;
-    } = {}, V extends Object = {}, VS extends Object = {}>(fn: (self: T & IStateTreeNode) => {
-        actions?: A;
-        views?: V;
-        state?: VS;
-    }): IModelType<S, T & A & V & VS>;
-    preProcessSnapshot(fn: (snapshot: any) => S): IModelType<S, T>;
-}
-export declare type IModelProperties<T> = {
-    [K in keyof T]: IType<any, T[K]> | T[K];
-};
-export declare type IModelVolatileState<T> = {
-    [K in keyof T]: ((self?: any) => T[K]) | T[K];
-};
-export declare type Snapshot<T> = {
-    [K in keyof T]?: Snapshot<T[K]> | any;
-};
-export declare function model<T = {}>(name: string, properties?: IModelProperties<T>): IModelType<Snapshot<T>, T>;
-export declare function model<T = {}>(properties?: IModelProperties<T>): IModelType<Snapshot<T>, T>;
-export declare function compose<T1, S1, T2, S2, T3, S3>(t1: IModelType<T1, S1>, t2: IModelType<T2, S2>, t3?: IModelType<T3, S3>): IModelType<T1 & T2 & T3, S1 & S2 & S3>;
-export declare function compose<T1, S1, A1, T2, S2, A2, T3, S3, A3>(name: string, t1: IModelType<T1, S1>, t2: IModelType<T2, S2>, t3?: IModelType<T3, S3>): IModelType<T1 & T2 & T3, S1 & S2 & S3>;
-export declare function isObjectType(type: any): type is ModelType<any, any>;
+export declare function model<T extends ModelPropertiesDeclaration = {}>(name: string, properties?: T): IModelType<ModelPropertiesDeclarationToProperties<T>, {}>;
+export declare function model<T extends ModelPropertiesDeclaration = {}>(properties?: T): IModelType<ModelPropertiesDeclarationToProperties<T>, {}>;
+export declare function compose<T1 extends ModelProperties, S1, T2 extends ModelProperties, S2>(t1: IModelType<T1, S1>, t2: IModelType<T2, S2>): IModelType<T1 & T2, S1 & S2>;
+export declare function compose<T1 extends ModelProperties, S1, T2 extends ModelProperties, S2, T3 extends ModelProperties, S3>(t1: IModelType<T1, S1>, t2: IModelType<T2, S2>, t3: IModelType<T3, S3>): IModelType<T1 & T2 & T3, S1 & S2 & S3>;
+export declare function compose<T1 extends ModelProperties, S1, T2 extends ModelProperties, S2, T3 extends ModelProperties, S3, T4 extends ModelProperties, S4>(t1: IModelType<T1, S1>, t2: IModelType<T2, S2>, t3: IModelType<T3, S3>, t4: IModelType<T4, S4>): IModelType<T1 & T2 & T3 & T4, S1 & S2 & S3 & S4>;
+export declare function compose<T1 extends ModelProperties, S1, T2 extends ModelProperties, S2, T3 extends ModelProperties, S3, T4 extends ModelProperties, S4, T5 extends ModelProperties, S5>(t1: IModelType<T1, S1>, t2: IModelType<T2, S2>, t3: IModelType<T3, S3>, t4: IModelType<T4, S4>, t5: IModelType<T5, S5>): IModelType<T1 & T2 & T3 & T4 & T5, S1 & S2 & S3 & S4 & S5>;
+export declare function compose<T1 extends ModelProperties, S1, T2 extends ModelProperties, S2, T3 extends ModelProperties, S3, T4 extends ModelProperties, S4, T5 extends ModelProperties, S5, T6 extends ModelProperties, S6>(t1: IModelType<T1, S1>, t2: IModelType<T2, S2>, t3: IModelType<T3, S3>, t4: IModelType<T4, S4>, t5: IModelType<T5, S5>, t6: IModelType<T6, S6>): IModelType<T1 & T2 & T3 & T4 & T5 & T6, S1 & S2 & S3 & S4 & S5 & S6>;
+export declare function compose<T1 extends ModelProperties, S1, T2 extends ModelProperties, S2, T3 extends ModelProperties, S3, T4 extends ModelProperties, S4, T5 extends ModelProperties, S5, T6 extends ModelProperties, S6, T7 extends ModelProperties, S7>(t1: IModelType<T1, S1>, t2: IModelType<T2, S2>, t3: IModelType<T3, S3>, t4: IModelType<T4, S4>, t5: IModelType<T5, S5>, t6: IModelType<T6, S6>, t7: IModelType<T7, S7>): IModelType<T1 & T2 & T3 & T4 & T5 & T6 & T7, S1 & S2 & S3 & S4 & S5 & S6 & S7>;
+export declare function compose<T1 extends ModelProperties, S1, T2 extends ModelProperties, S2, T3 extends ModelProperties, S3, T4 extends ModelProperties, S4, T5 extends ModelProperties, S5, T6 extends ModelProperties, S6, T7 extends ModelProperties, S7, T8 extends ModelProperties, S8>(t1: IModelType<T1, S1>, t2: IModelType<T2, S2>, t3: IModelType<T3, S3>, t4: IModelType<T4, S4>, t5: IModelType<T5, S5>, t6: IModelType<T6, S6>, t7: IModelType<T7, S7>, t8: IModelType<T8, S8>): IModelType<T1 & T2 & T3 & T4 & T5 & T6 & T7 & T8, S1 & S2 & S3 & S4 & S5 & S6 & S7 & S8>;
+export declare function compose<T1 extends ModelProperties, S1, T2 extends ModelProperties, S2, T3 extends ModelProperties, S3, T4 extends ModelProperties, S4, T5 extends ModelProperties, S5, T6 extends ModelProperties, S6, T7 extends ModelProperties, S7, T8 extends ModelProperties, S8, T9 extends ModelProperties, S9>(t1: IModelType<T1, S1>, t2: IModelType<T2, S2>, t3: IModelType<T3, S3>, t4: IModelType<T4, S4>, t5: IModelType<T5, S5>, t6: IModelType<T6, S6>, t7: IModelType<T7, S7>, t8: IModelType<T8, S8>, t9: IModelType<T9, S9>): IModelType<T1 & T2 & T3 & T4 & T5 & T6 & T7 & T8 & T9, S1 & S2 & S3 & S4 & S5 & S6 & S7 & S8 & S9>;
+export declare function isModelType(type: any): type is ModelType<any, any>;

dist/types/primitives.d.ts

 import { Type, INode, ISimpleType, IType, TypeFlags, IContext, IValidationResult, ObjectNode } from "../internal";
-export declare class CoreType<S, T> extends Type<S, T> {
+export declare class CoreType<S, T> extends Type<S, S, T> {
     readonly shouldAttachNode: boolean;
@@ -77,4 +77,4 @@ readonly checker: (value: any) => boolean;
  */
-export declare const DatePrimitive: IType<number, Date>;
+export declare const DatePrimitive: IType<number, number, Date>;
 export declare function getPrimitiveFactoryFromValue(value: any): ISimpleType<any>;
 export declare function isPrimitiveType(type: any): type is CoreType<any, any>;

dist/types/utility-types/custom.d.ts

@@ -1,2 +0,2 @@
-import { INode, Type, IType, TypeFlags, IContext, IValidationResult, ObjectNode } from "../../internal";
+import { INode, Type, IType, TypeFlags, IContext, IValidationResult, ObjectNode, IAnyType } from "../../internal";
 export declare type CustomTypeOptions<S, T> = {
@@ -54,4 +54,4 @@ name: string;
  */
-export declare function custom<S, T>(options: CustomTypeOptions<S, T>): IType<S, T>;
-export declare class CustomType<S, T> extends Type<S, T> {
+export declare function custom<S, T>(options: CustomTypeOptions<S, T>): IType<S | T, S, T>;
+export declare class CustomType<S, T> extends Type<S, S, T> {
     protected readonly options: CustomTypeOptions<S, T>;
@@ -62,3 +62,3 @@ readonly flags: TypeFlags;
     describe(): string;
-    isAssignableFrom(type: IType<any, any>): boolean;
+    isAssignableFrom(type: IAnyType): boolean;
     isValidSnapshot(value: any, context: IContext): IValidationResult;
@@ -65,0 +65,0 @@ getValue(node: INode): any;

dist/types/utility-types/frozen.d.ts

@@ -1,6 +0,7 @@
-import { INode, ISimpleType, Type, IContext, IValidationResult, TypeFlags, ObjectNode } from "../../internal";
-export declare class Frozen<T> extends Type<T, T> {
+import { INode, Type, IContext, IValidationResult, TypeFlags, ObjectNode, IType, ISimpleType } from "../../internal";
+export declare class Frozen<T> extends Type<T, T, T> {
+    private subType;
     readonly shouldAttachNode: boolean;
     flags: TypeFlags;
-    constructor();
+    constructor(subType?: IType<any, any, any> | undefined);
     describe(): string;
@@ -10,28 +11,6 @@ instantiate(parent: ObjectNode | null, subpath: string, environment: any, value: any): INode;
 }
-/**
- * Frozen can be used to story any value that is serializable in itself (that is valid JSON).
- * Frozen values need to be immutable or treated as if immutable. They need be serializable as well.
- * Values stored in frozen will snapshotted as-is by MST, and internal changes will not be tracked.
- *
- * This is useful to store complex, but immutable values like vectors etc. It can form a powerful bridge to parts of your application that should be immutable, or that assume data to be immutable.
- *
- * Note: if you want to store free-form state that is mutable, or not serializeable, consider using volatile state instead.
- *
- * @example
- * const GameCharacter = types.model({
- *   name: string,
- *   location: types.frozen
- * })
- *
- * const hero = GameCharacter.create({
- *   name: "Mario",
- *   location: { x: 7, y: 4 }
- * })
- *
- * hero.location = { x: 10, y: 2 } // OK
- * hero.location.x = 7 // Not ok!
- *
- * @alias types.frozen
- */
-export declare const frozen: ISimpleType<any>;
+export declare type CreationTypeOf<T extends IType<any, any, any>> = T extends IType<infer C, any, any> ? C : never;
+export declare function frozen<T extends IType<any, any, any>>(subType: T): ISimpleType<CreationTypeOf<T>>;
+export declare function frozen<T>(defaultValue: T): IType<T | undefined, T, Readonly<T>>;
+export declare function frozen<T = any>(): IType<T | undefined, T | undefined, Readonly<T> | undefined>;
 export declare function isFrozenType(type: any): type is Frozen<any>;

dist/types/utility-types/identifier.d.ts

 import { INode, Type, IType, TypeFlags, IContext, IValidationResult, ObjectNode } from "../../internal";
-export declare class IdentifierType<T> extends Type<T, T> {
-    readonly identifierType: IType<T, T>;
+export declare class IdentifierType extends Type<string, string, string> {
     readonly shouldAttachNode: boolean;
     readonly flags: TypeFlags;
-    constructor(identifierType: IType<T, T>);
-    instantiate(parent: ObjectNode | null, subpath: string, environment: any, snapshot: T): INode;
-    reconcile(current: INode, newValue: any): INode;
+    constructor();
+    instantiate(parent: ObjectNode | null, subpath: string, environment: any, snapshot: string): INode;
+    reconcile(current: INode, newValue: string): INode;
     describe(): string;
     isValidSnapshot(value: any, context: IContext): IValidationResult;
 }
-export declare function identifier<T>(baseType: IType<T, T>): IType<T, T>;
-export declare function identifier<T>(): T;
-export declare function isIdentifierType(type: any): type is IdentifierType<any>;
+export declare class IdentifierNumberType extends IdentifierType {
+    constructor();
+    instantiate(parent: ObjectNode | null, subpath: string, environment: any, snapshot: any): INode;
+    isValidSnapshot(value: any, context: IContext): IValidationResult;
+    reconcile(current: INode, newValue: any): INode;
+    getSnapshot(node: INode): any;
+    describe(): string;
+}
+/**
+ * Identifiers are used to make references, lifecycle events and reconciling works.
+ * Inside a state tree, for each type can exist only one instance for each given identifier.
+ * For example there couldn't be 2 instances of user with id 1. If you need more, consider using references.
+ * Identifier can be used only as type property of a model.
+ * This type accepts as parameter the value type of the identifier field that can be either string or number.
+ *
+ * @example
+ *  const Todo = types.model("Todo", {
+ *      id: types.identifier,
+ *      title: types.string
+ *  })
+ *
+ * @export
+ * @alias types.identifier
+ * @template T
+ * @returns {IType<T, T>}
+ */
+export declare const identifier: IType<string, string, string>;
+/**
+ * Similar to `types.identifier`, but `identifierNumber` will serialize from / to a number when applying snapshots
+ *
+ * @example
+ *  const Todo = types.model("Todo", {
+ *      id: types.identifierNumber,
+ *      title: types.string
+ *  })
+ *
+ * @export
+ * @alias types.identifierNumber
+ * @template T
+ * @returns {IType<T, T>}
+ */
+export declare const identifierNumber: IType<number, number, number>;
+export declare function isIdentifierType(type: any): type is IdentifierType | IdentifierNumberType;

dist/types/utility-types/late.d.ts

@@ -1,9 +0,9 @@
-import { INode, Type, IType, IContext, IValidationResult } from "../../internal";
-export declare class Late<S, T> extends Type<S, T> {
-    readonly definition: () => IType<S, T>;
+import { INode, Type, IType, IContext, IValidationResult, IAnyType } from "../../internal";
+export declare class Late<C, S, T> extends Type<C, S, T> {
+    readonly definition: () => IAnyType;
     private _subType;
     readonly flags: number;
     readonly shouldAttachNode: boolean;
-    readonly subType: IType<S, T>;
-    constructor(name: string, definition: () => IType<S, T>);
+    readonly subType: IAnyType;
+    constructor(name: string, definition: () => IAnyType);
     instantiate(parent: INode | null, subpath: string, environment: any, snapshot: any): INode;
@@ -13,7 +13,6 @@ reconcile(current: INode, newValue: any): INode;
     isValidSnapshot(value: any, context: IContext): IValidationResult;
-    isAssignableFrom(type: IType<any, any>): boolean;
+    isAssignableFrom(type: IAnyType): boolean;
 }
-export declare type ILateType<S, T> = () => IType<S, T>;
-export declare function late<S = any, T = any>(type: ILateType<S, T>): IType<S, T>;
-export declare function late<S = any, T = any>(name: string, type: ILateType<S, T>): IType<S, T>;
-export declare function isLateType(type: any): type is Late<any, any>;
+export declare function late<C, S, T>(type: () => IType<C, S, T>): IType<C, S, T>;
+export declare function late<C, S, T>(name: string, type: () => IType<C, S, T>): IType<C, S, T>;
+export declare function isLateType(type: any): type is Late<any, any, any>;

dist/types/utility-types/literal.d.ts

 import { INode, ISimpleType, Type, TypeFlags, IContext, IValidationResult, ObjectNode } from "../../internal";
-export declare class Literal<T> extends Type<T, T> {
+export declare class Literal<T> extends Type<T, T, T> {
     readonly shouldAttachNode: boolean;
@@ -4,0 +4,0 @@ readonly value: any;

dist/types/utility-types/maybe.d.ts

@@ -1,4 +0,5 @@
-import { IType } from "../../internal";
+import { IType, TypeFlags } from "../../internal";
 /**
- * Maybe will make a type nullable, and also null by default.
+ * Maybe will make a type nullable, and also optional.
+ * The value `undefined` will be used to represent nullability.
  *
@@ -10,4 +11,20 @@ * @export
  * @param {IType<S, T>} type The type to make nullable
- * @returns {(IType<S | null | undefined, T | null>)}
+ * @returns {(IType<S | undefined, T | undefined>)}
  */
-export declare function maybe<S, T>(type: IType<S, T>): IType<S | null | undefined, T | null>;
+export declare function maybe<C, S, T>(type: IType<C, S, T>): IType<S | undefined, S | undefined, T | undefined> & {
+    flags: TypeFlags.Optional;
+};
+/**
+ * Maybe will make a type nullable, and also optional.
+ * The value `null` will be used to represent no value.
+ *
+ * @export
+ * @alias types.maybeNull
+ * @template S
+ * @template T
+ * @param {IType<S, T>} type The type to make nullable
+ * @returns {(IType<S | null, T | null>)}
+ */
+export declare function maybeNull<C, S, T>(type: IType<C, S, T>): IType<S | null | undefined, S | null, T | null> & {
+    flags: TypeFlags.Optional;
+};

dist/types/utility-types/optional.d.ts

@@ -1,10 +0,10 @@
-import { INode, Type, IType, IContext, IValidationResult } from "../../internal";
+import { INode, Type, IType, TypeFlags, IContext, IValidationResult, IAnyType } from "../../internal";
 export declare type IFunctionReturn<T> = () => T;
-export declare type IOptionalValue<S, T> = S | T | IFunctionReturn<S> | IFunctionReturn<T>;
-export declare class OptionalValue<S, T> extends Type<S, T> {
-    readonly type: IType<S, T>;
-    readonly defaultValue: IOptionalValue<S, T>;
+export declare type IOptionalValue<C, S, T> = C | S | T | IFunctionReturn<C | S | T>;
+export declare class OptionalValue<C, S, T> extends Type<C, S, T> {
+    readonly type: IType<C, S, T>;
+    readonly defaultValue: IOptionalValue<C, S, T>;
     readonly flags: number;
     readonly shouldAttachNode: boolean;
-    constructor(type: IType<S, T>, defaultValue: IOptionalValue<S, T>);
+    constructor(type: IType<C, S, T>, defaultValue: IOptionalValue<C, S, T>);
     describe(): string;
@@ -14,9 +14,12 @@ instantiate(parent: INode, subpath: string, environment: any, value: S): INode;
     private getDefaultValue();
+    getDefaultValueSnapshot(): any;
     isValidSnapshot(value: any, context: IContext): IValidationResult;
-    isAssignableFrom(type: IType<any, any>): boolean;
+    isAssignableFrom(type: IAnyType): boolean;
 }
-export declare function optional<S, T>(type: IType<S, T>, defaultValueOrFunction: S): IType<S, T>;
-export declare function optional<S, T>(type: IType<S, T>, defaultValueOrFunction: T): IType<S, T>;
-export declare function optional<S, T>(type: IType<S, T>, defaultValueOrFunction: () => S): IType<S, T>;
-export declare function optional<S, T>(type: IType<S, T>, defaultValueOrFunction: () => T): IType<S, T>;
-export declare function isOptionalType(type: any): type is OptionalValue<any, any>;
+export declare function optional<C, S, T>(type: IType<C, S, T>, defaultValueOrFunction: C | S | T): IType<C | undefined, S, T> & {
+    flags: TypeFlags.Optional;
+};
+export declare function optional<C, S, T>(type: IType<C, S, T>, defaultValueOrFunction: () => C | S | T): IType<C, S, T> & {
+    flags: TypeFlags.Optional;
+};
+export declare function isOptionalType(type: any): type is OptionalValue<any, any, any>;

dist/types/utility-types/reference.d.ts

@@ -1,13 +0,13 @@
-import { INode, Type, IType, TypeFlags, IContext, IValidationResult, ObjectNode, IStateTreeNode } from "../../internal";
-export declare abstract class BaseReferenceType<T> extends Type<string | number, T> {
-    protected readonly targetType: IType<any, T>;
+import { INode, Type, IType, TypeFlags, IContext, IValidationResult, ObjectNode, IStateTreeNode, IAnyType } from "../../internal";
+export declare abstract class BaseReferenceType<T> extends Type<string | number | T, string | number, T> {
+    protected readonly targetType: IType<any, any, T>;
     readonly shouldAttachNode: boolean;
     readonly flags: TypeFlags;
-    constructor(targetType: IType<any, T>);
+    constructor(targetType: IType<any, any, T>);
     describe(): string;
-    isAssignableFrom(type: IType<any, any>): boolean;
+    isAssignableFrom(type: IAnyType): boolean;
     isValidSnapshot(value: any, context: IContext): IValidationResult;
 }
 export declare class IdentifierReferenceType<T> extends BaseReferenceType<T> {
-    constructor(targetType: IType<any, T>);
+    constructor(targetType: IType<any, any, T>);
     getValue(node: INode): any;
@@ -20,3 +20,3 @@ getSnapshot(node: INode): any;
     private readonly options;
-    constructor(targetType: IType<any, T>, options: ReferenceOptions<T>);
+    constructor(targetType: IType<any, any, T>, options: ReferenceOptions<T>);
     getValue(node: INode): T | undefined;
@@ -31,3 +31,3 @@ getSnapshot(node: INode): any;
 };
-export declare function reference<T>(factory: IType<any, T>, options?: ReferenceOptions<T>): IType<string | number, T>;
+export declare function reference<T>(factory: IType<any, any, T>, options?: ReferenceOptions<T>): IType<string | number | T, string | number, T>;
 export declare function isReferenceType(type: any): type is BaseReferenceType<any>;

dist/types/utility-types/refinement.d.ts

@@ -1,4 +0,4 @@
-import { INode, IType, Type, IContext, IValidationResult } from "../../internal";
-export declare class Refinement<S, T> extends Type<S, T> {
-    readonly type: IType<any, any>;
+import { INode, IType, Type, IContext, IValidationResult, IAnyType } from "../../internal";
+export declare class Refinement<C, S, T> extends Type<C, S, T> {
+    readonly type: IAnyType;
     readonly predicate: (v: any) => boolean;
@@ -8,12 +8,10 @@ readonly message: (v: any) => string;
     readonly shouldAttachNode: boolean;
-    constructor(name: string, type: IType<any, any>, predicate: (v: any) => boolean, message: (v: any) => string);
+    constructor(name: string, type: IAnyType, predicate: (v: any) => boolean, message: (v: any) => string);
     describe(): string;
     instantiate(parent: INode, subpath: string, environment: any, value: any): INode;
-    isAssignableFrom(type: IType<any, any>): boolean;
+    isAssignableFrom(type: IAnyType): boolean;
     isValidSnapshot(value: any, context: IContext): IValidationResult;
 }
-export declare function refinement<T>(name: string, type: IType<T, T>, predicate: (snapshot: T) => boolean, message?: string | ((v: any) => string)): IType<T, T>;
-export declare function refinement<S, T extends S, U extends S>(name: string, type: IType<S, T>, predicate: (snapshot: S) => snapshot is U, message?: string | ((v: any) => string)): IType<S, U>;
-export declare function refinement<S, T extends S, U extends S>(type: IType<S, T>, predicate: (snapshot: S) => snapshot is U, message?: string | ((v: any) => string)): IType<S, U>;
-export declare function refinement<T>(type: IType<T, T>, predicate: (snapshot: T) => boolean, message?: string | ((v: any) => string)): IType<T, T>;
-export declare function isRefinementType(type: any): type is Refinement<any, any>;
+export declare function refinement<C, S, T>(name: string, type: IType<C, S, T>, predicate: (snapshot: C) => boolean, message?: string | ((v: any) => string)): IType<C, S, T>;
+export declare function refinement<C, S, T>(type: IType<C, S, T>, predicate: (snapshot: C) => boolean, message?: string | ((v: any) => string)): IType<C, S, T>;
+export declare function isRefinementType(type: any): type is Refinement<any, any, any>;

dist/types/utility-types/union.d.ts

@@ -1,36 +0,39 @@
-import { IContext, IValidationResult, TypeFlags, IType, Type, INode } from "../../internal";
-export declare type ITypeDispatcher = (snapshot: any) => IType<any, any>;
-export declare class Union extends Type<any, any> {
-    readonly dispatcher: ITypeDispatcher | null;
-    readonly types: IType<any, any>[];
+import { IContext, IValidationResult, TypeFlags, IType, Type, INode, IAnyType } from "../../internal";
+export declare type ITypeDispatcher = (snapshot: any) => IAnyType;
+export declare type UnionOptions = {
+    eager?: boolean;
+    dispatcher?: ITypeDispatcher;
+};
+export declare class Union extends Type<any, any, any> {
+    readonly dispatcher?: ITypeDispatcher;
+    readonly eager: boolean;
+    readonly types: IAnyType[];
     readonly flags: TypeFlags;
     readonly shouldAttachNode: boolean;
-    constructor(name: string, types: IType<any, any>[], dispatcher: ITypeDispatcher | null);
-    isAssignableFrom(type: IType<any, any>): boolean;
+    constructor(name: string, types: IAnyType[], options?: UnionOptions);
+    isAssignableFrom(type: IAnyType): boolean;
     describe(): string;
     instantiate(parent: INode, subpath: string, environment: any, value: any): INode;
     reconcile(current: INode, newValue: any): INode;
-    determineType(value: any): IType<any, any>;
+    determineType(value: any): IAnyType;
     isValidSnapshot(value: any, context: IContext): IValidationResult;
 }
-export declare function union<SA, SB, TA, TB>(dispatch: ITypeDispatcher, A: IType<SA, TA>, B: IType<SB, TB>): IType<SA | SB, TA | TB>;
-export declare function union<SA, SB, TA, TB>(A: IType<SA, TA>, B: IType<SB, TB>): IType<SA | SB, TA | TB>;
-export declare function union<SA, SB, SC, TA, TB, TC>(dispatch: ITypeDispatcher, A: IType<SA, TA>, B: IType<SB, TB>, C: IType<SC, TC>): IType<SA | SB | SC, TA | TB | TC>;
-export declare function union<SA, SB, SC, TA, TB, TC>(A: IType<SA, TA>, B: IType<SB, TB>, C: IType<SC, TC>): IType<SA | SB | SC, TA | TB | TC>;
-export declare function union<SA, SB, SC, SD, TA, TB, TC, TD>(dispatch: ITypeDispatcher, A: IType<SA, TA>, B: IType<SB, TB>, C: IType<SC, TC>, D: IType<SD, TD>): IType<SA | SB | SC | SD, TA | TB | TC | TD>;
-export declare function union<SA, SB, SC, SD, TA, TB, TC, TD>(A: IType<SA, TA>, B: IType<SB, TB>, C: IType<SC, TC>, D: IType<SD, TD>): IType<SA | SB | SC | SD, TA | TB | TC | TD>;
-export declare function union<SA, SB, SC, SD, SE, TA, TB, TC, TD, TE>(dispatch: ITypeDispatcher, A: IType<SA, TA>, B: IType<SB, TB>, C: IType<SC, TC>, D: IType<SD, TD>, E: IType<SE, TE>): IType<SA | SB | SC | SD | SE, TA | TB | TC | TD | TE>;
-export declare function union<SA, SB, SC, SD, SE, TA, TB, TC, TD, TE>(A: IType<SA, TA>, B: IType<SB, TB>, C: IType<SC, TC>, D: IType<SD, TD>, E: IType<SE, TE>): IType<SA | SB | SC | SD | SE, TA | TB | TC | TD | TE>;
-export declare function union<SA, SB, SC, SD, SE, SF, TA, TB, TC, TD, TE, TF>(dispatch: ITypeDispatcher, A: IType<SA, TA>, B: IType<SB, TB>, C: IType<SC, TC>, D: IType<SD, TD>, E: IType<SE, TE>, F: IType<SF, TF>): IType<SA | SB | SC | SD | SE | SF, TA | TB | TC | TD | TE | TF>;
-export declare function union<SA, SB, SC, SD, SE, SF, TA, TB, TC, TD, TE, TF>(A: IType<SA, TA>, B: IType<SB, TB>, C: IType<SC, TC>, D: IType<SD, TD>, E: IType<SE, TE>, F: IType<SF, TF>): IType<SA | SB | SC | SD | SE | SF, TA | TB | TC | TD | TE | TF>;
-export declare function union<SA, SB, SC, SD, SE, SF, SG, TA, TB, TC, TD, TE, TF, TG>(dispatch: ITypeDispatcher, A: IType<SA, TA>, B: IType<SB, TB>, C: IType<SC, TC>, D: IType<SD, TD>, E: IType<SE, TE>, F: IType<SF, TF>, G: IType<SG, TG>): IType<SA | SB | SC | SD | SE | SF | SG, TA | TB | TC | TD | TE | TF | TG>;
-export declare function union<SA, SB, SC, SD, SE, SF, SG, TA, TB, TC, TD, TE, TF, TG>(A: IType<SA, TA>, B: IType<SB, TB>, C: IType<SC, TC>, D: IType<SD, TD>, E: IType<SE, TE>, F: IType<SF, TF>, G: IType<SG, TG>): IType<SA | SB | SC | SD | SE | SF | SG, TA | TB | TC | TD | TE | TF | TG>;
-export declare function union<SA, SB, SC, SD, SE, SF, SG, SH, TA, TB, TC, TD, TE, TF, TG, TH>(dispatch: ITypeDispatcher, A: IType<SA, TA>, B: IType<SB, TB>, C: IType<SC, TC>, D: IType<SD, TD>, E: IType<SE, TE>, F: IType<SF, TF>, G: IType<SG, TG>, H: IType<SH, TH>): IType<SA | SB | SC | SD | SE | SF | SG | SH, TA | TB | TC | TD | TE | TF | TG | TH>;
-export declare function union<SA, SB, SC, SD, SE, SF, SG, SH, TA, TB, TC, TD, TE, TF, TG, TH>(A: IType<SA, TA>, B: IType<SB, TB>, C: IType<SC, TC>, D: IType<SD, TD>, E: IType<SE, TE>, F: IType<SF, TF>, G: IType<SG, TG>, H: IType<SH, TH>): IType<SA | SB | SC | SD | SE | SF | SG | SH, TA | TB | TC | TD | TE | TF | TG | TH>;
-export declare function union<SA, SB, SC, SD, SE, SF, SG, SH, SI, TA, TB, TC, TD, TE, TF, TG, TH, TI>(dispatch: ITypeDispatcher, A: IType<SA, TA>, B: IType<SB, TB>, C: IType<SC, TC>, D: IType<SD, TD>, E: IType<SE, TE>, F: IType<SF, TF>, G: IType<SG, TG>, H: IType<SH, TH>, I: IType<SI, TI>): IType<SA | SB | SC | SD | SE | SF | SG | SH | SI, TA | TB | TC | TD | TE | TF | TG | TH | TI>;
-export declare function union<SA, SB, SC, SD, SE, SF, SG, SH, SI, TA, TB, TC, TD, TE, TF, TG, TH, TI>(A: IType<SA, TA>, B: IType<SB, TB>, C: IType<SC, TC>, D: IType<SD, TD>, E: IType<SE, TE>, F: IType<SF, TF>, G: IType<SG, TG>, H: IType<SH, TH>, I: IType<SI, TI>): IType<SA | SB | SC | SD | SE | SF | SG | SH | SI, TA | TB | TC | TD | TE | TF | TG | TH | TI>;
-export declare function union<SA, SB, SC, SD, SE, SF, SG, SH, SI, SJ, TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ>(dispatch: ITypeDispatcher, A: IType<SA, TA>, B: IType<SB, TB>, C: IType<SC, TC>, D: IType<SD, TD>, E: IType<SE, TE>, F: IType<SF, TF>, G: IType<SG, TG>, H: IType<SH, TH>, I: IType<SI, TI>, J: IType<SJ, TJ>): IType<SA | SB | SC | SD | SE | SF | SG | SH | SI | SJ, TA | TB | TC | TD | TE | TF | TG | TH | TI | TJ>;
-export declare function union<SA, SB, SC, SD, SE, SF, SG, SH, SI, SJ, TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ>(A: IType<SA, TA>, B: IType<SB, TB>, C: IType<SC, TC>, D: IType<SD, TD>, E: IType<SE, TE>, F: IType<SF, TF>, G: IType<SG, TG>, H: IType<SH, TH>, I: IType<SI, TI>, J: IType<SJ, TJ>): IType<SA | SB | SC | SD | SE | SF | SG | SH | SI | SJ, TA | TB | TC | TD | TE | TF | TG | TH | TI | TJ>;
-export declare function union(...types: IType<any, any>[]): IType<any, any>;
-export declare function union(dispatchOrType: ITypeDispatcher | IType<any, any>, ...otherTypes: IType<any, any>[]): IType<any, any>;
+export declare function union<CA, SA, TA, CB, SB, TB>(options: UnionOptions, A: IType<CA, SA, TA>, B: IType<CB, SB, TB>): IType<CA | CB, SA | SB, TA | TB>;
+export declare function union<CA, SA, TA, CB, SB, TB>(A: IType<CA, SA, TA>, B: IType<CB, SB, TB>): IType<CA | CB, SA | SB, TA | TB>;
+export declare function union<CA, SA, TA, CB, SB, TB, CC, SC, TC>(options: UnionOptions, A: IType<CA, SA, TA>, B: IType<CB, SB, TB>, C: IType<CC, SC, TC>): IType<CA | CB | CC, SA | SB | SC, TA | TB | TC>;
+export declare function union<CA, SA, TA, CB, SB, TB, CC, SC, TC>(A: IType<CA, SA, TA>, B: IType<CB, SB, TB>, C: IType<CC, SC, TC>): IType<CA | CB | CC, SA | SB | SC, TA | TB | TC>;
+export declare function union<CA, SA, TA, CB, SB, TB, CC, SC, TC, CD, SD, TD>(options: UnionOptions, A: IType<CA, SA, TA>, B: IType<CB, SB, TB>, C: IType<CC, SC, TC>, D: IType<CD, SD, TD>): IType<CA | CB | CC | CD, SA | SB | SC | SD, TA | TB | TC | TD>;
+export declare function union<CA, SA, TA, CB, SB, TB, CC, SC, TC, CD, SD, TD>(A: IType<CA, SA, TA>, B: IType<CB, SB, TB>, C: IType<CC, SC, TC>, D: IType<CD, SD, TD>): IType<CA | CB | CC | CD, SA | SB | SC | SD, TA | TB | TC | TD>;
+export declare function union<CA, SA, TA, CB, SB, TB, CC, SC, TC, CD, SD, TD, CE, SE, TE>(options: UnionOptions, A: IType<CA, SA, TA>, B: IType<CB, SB, TB>, C: IType<CC, SC, TC>, D: IType<CD, SD, TD>, E: IType<CE, SE, TE>): IType<CA | CB | CC | CD | CE, SA | SB | SC | SD | SE, TA | TB | TC | TD | TE>;
+export declare function union<CA, SA, TA, CB, SB, TB, CC, SC, TC, CD, SD, TD, CE, SE, TE>(A: IType<CA, SA, TA>, B: IType<CB, SB, TB>, C: IType<CC, SC, TC>, D: IType<CD, SD, TD>, E: IType<CE, SE, TE>): IType<CA | CB | CC | CD | CE, SA | SB | SC | SD | SE, TA | TB | TC | TD | TE>;
+export declare function union<CA, SA, TA, CB, SB, TB, CC, SC, TC, CD, SD, TD, CE, SE, TE, CF, SF, TF>(options: UnionOptions, A: IType<CA, SA, TA>, B: IType<CB, SB, TB>, C: IType<CC, SC, TC>, D: IType<CD, SD, TD>, E: IType<CE, SE, TE>, F: IType<CF, SF, TF>): IType<CA | CB | CC | CD | CE | CF, SA | SB | SC | SD | SE | SF, TA | TB | TC | TD | TE | TF>;
+export declare function union<CA, SA, TA, CB, SB, TB, CC, SC, TC, CD, SD, TD, CE, SE, TE, CF, SF, TF>(A: IType<CA, SA, TA>, B: IType<CB, SB, TB>, C: IType<CC, SC, TC>, D: IType<CD, SD, TD>, E: IType<CE, SE, TE>, F: IType<CF, SF, TF>): IType<CA | CB | CC | CD | CE | CF, SA | SB | SC | SD | SE | SF, TA | TB | TC | TD | TE | TF>;
+export declare function union<CA, SA, TA, CB, SB, TB, CC, SC, TC, CD, SD, TD, CE, SE, TE, CF, SF, TF, CG, SG, TG>(options: UnionOptions, A: IType<CA, SA, TA>, B: IType<CB, SB, TB>, C: IType<CC, SC, TC>, D: IType<CD, SD, TD>, E: IType<CE, SE, TE>, F: IType<CF, SF, TF>, G: IType<CG, SG, TG>): IType<CA | CB | CC | CD | CE | CF | CG, SA | SB | SC | SD | SE | SF | SG, TA | TB | TC | TD | TE | TF | TG>;
+export declare function union<CA, SA, TA, CB, SB, TB, CC, SC, TC, CD, SD, TD, CE, SE, TE, CF, SF, TF, CG, SG, TG>(A: IType<CA, SA, TA>, B: IType<CB, SB, TB>, C: IType<CC, SC, TC>, D: IType<CD, SD, TD>, E: IType<CE, SE, TE>, F: IType<CF, SF, TF>, G: IType<CG, SG, TG>): IType<CA | CB | CC | CD | CE | CF | CG, SA | SB | SC | SD | SE | SF | SG, TA | TB | TC | TD | TE | TF | TG>;
+export declare function union<CA, SA, TA, CB, SB, TB, CC, SC, TC, CD, SD, TD, CE, SE, TE, CF, SF, TF, CG, SG, TG, CH, SH, TH>(options: UnionOptions, A: IType<CA, SA, TA>, B: IType<CB, SB, TB>, C: IType<CC, SC, TC>, D: IType<CD, SD, TD>, E: IType<CE, SE, TE>, F: IType<CF, SF, TF>, G: IType<CG, SG, TG>, H: IType<CH, SH, TH>): IType<CA | CB | CC | CD | CE | CF | CG | CH, SA | SB | SC | SD | SE | SF | SG | SH, TA | TB | TC | TD | TE | TF | TG | TH>;
+export declare function union<CA, SA, TA, CB, SB, TB, CC, SC, TC, CD, SD, TD, CE, SE, TE, CF, SF, TF, CG, SG, TG, CH, SH, TH>(A: IType<CA, SA, TA>, B: IType<CB, SB, TB>, C: IType<CC, SC, TC>, D: IType<CD, SD, TD>, E: IType<CE, SE, TE>, F: IType<CF, SF, TF>, G: IType<CG, SG, TG>, H: IType<CH, SH, TH>): IType<CA | CB | CC | CD | CE | CF | CG | CH, SA | SB | SC | SD | SE | SF | SG | SH, TA | TB | TC | TD | TE | TF | TG | TH>;
+export declare function union<CA, SA, TA, CB, SB, TB, CC, SC, TC, CD, SD, TD, CE, SE, TE, CF, SF, TF, CG, SG, TG, CH, SH, TH, CI, SI, TI>(options: UnionOptions, A: IType<CA, SA, TA>, B: IType<CB, SB, TB>, C: IType<CC, SC, TC>, D: IType<CD, SD, TD>, E: IType<CE, SE, TE>, F: IType<CF, SF, TF>, G: IType<CG, SG, TG>, H: IType<CH, SH, TH>, I: IType<CI, SI, TI>): IType<CA | CB | CC | CD | CE | CF | CG | CH | CI, SA | SB | SC | SD | SE | SF | SG | SH | SI, TA | TB | TC | TD | TE | TF | TG | TH | TI>;
+export declare function union<CA, SA, TA, CB, SB, TB, CC, SC, TC, CD, SD, TD, CE, SE, TE, CF, SF, TF, CG, SG, TG, CH, SH, TH, CI, SI, TI>(A: IType<CA, SA, TA>, B: IType<CB, SB, TB>, C: IType<CC, SC, TC>, D: IType<CD, SD, TD>, E: IType<CE, SE, TE>, F: IType<CF, SF, TF>, G: IType<CG, SG, TG>, H: IType<CH, SH, TH>, I: IType<CI, SI, TI>): IType<CA | CB | CC | CD | CE | CF | CG | CH | CI, SA | SB | SC | SD | SE | SF | SG | SH | SI, TA | TB | TC | TD | TE | TF | TG | TH | TI>;
+export declare function union(...types: IAnyType[]): IAnyType;
+export declare function union(dispatchOrType: UnionOptions | IAnyType, ...otherTypes: IAnyType[]): IAnyType;
 export declare function isUnionType(type: any): type is Union;

dist/utils.d.ts

@@ -16,3 +16,3 @@ export declare const EMPTY_ARRAY: ReadonlyArray<any>;
 export declare function isArray(val: any): boolean;
-export declare function asArray<T>(val: undefined | null | T | T[]): T[];
+export declare function asArray<T>(val: undefined | null | T | T[] | ReadonlyArray<T>): T[];
 export declare function extend<A, B>(a: A, b: B): A & B;
@@ -39,2 +39,3 @@ export declare function extend<A, B, C>(a: A, b: B, c: C): A & B & C;
 export declare function argsToArray(args: IArguments): any[];
+export declare function invalidateComputed(target: any, propName: string): void;
 export declare type DeprecatedFunction = Function & {
@@ -41,0 +42,0 @@ ids?: {

package.json

 {
   "name": "mobx-state-tree",
-  "version": "2.2.0",
+  "version": "3.0.0-beta.2",
   "description": "Opinionated, transactional, MobX powered state container",
@@ -12,8 +12,8 @@ "main": "dist/mobx-state-tree.js",
     "rollup": "rollup -c",
-    "test": "cross-env NODE_ENV=development jest --ci && cross-env NODE_ENV=production jest --ci && npm run test-cyclic && npm run speedtest && npm run test-mobx4",
-    "speedtest": "node --expose-gc test/perf/report.js",
-    "test-cyclic": "npm run build && node -e \"require('.')\"",
+    "test": "cross-env NODE_ENV=development jest --ci && cross-env NODE_ENV=production jest --ci && yarn run test-cyclic && yarn run test-mobx4",
+    "speedtest": "yarn build && /usr/bin/time node --expose-gc test/perf/report.js",
+    "test-cyclic": "yarn run build && node -e \"require('.')\"",
     "test-mobx4": "yarn add -D mobx@4.3.1 && yarn build && jest --ci && git checkout package.json ../../yarn.lock && yarn install",
     "watch": "jest --watch",
-    "_prepublish": "npm run build && npm run build-docs",
+    "_prepublish": "yarn run build && yarn run build-docs",
     "coverage": "jest --coverage",
@@ -44,3 +44,3 @@ "build-docs": "tsc && documentation build lib/index.js --sort-order alpha -f md -o ../../API.md.tmp && concat -o ../../API.md ../../docs/API_header.md ../../API.md.tmp && rm ../../API.md.tmp",
     "documentation": "^5.2.2",
-    "jest": "^22.4.2",
+    "jest": "^23.2.0",
     "mobx": "5.0.3",
@@ -91,7 +91,4 @@ "rollup": "^0.43.0",
       "/\\./"
-    ],
-    "watchPathIgnorePatterns": [
-      "<rootDir>/node_modules/"
     ]
   }
 }

New alerts

No v1

Quality

Package is not semver >=1. This means it is not stable and does not support ^ ranges.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

592992

increased by7.12%

Lines of code

11391

increased by7.32%

Worsened metrics

Number of low quality alerts

3

increased by50%

Number of low supply chain risk alerts

110

increased by5.77%

No dependency changes