derivable - npm Package Compare versions

Comparing version 2.0.0-beta.2 to 2.0.0-beta.3

dist/derivable.d.ts

@@ -1,5 +0,1 @@
-/**
- * This TypeScript file was generated from derivable.api.edn.
- * Please change that file and re-run `grunt docs` to modify this file.
- */
 declare module derivable {
@@ -13,3 +9,3 @@
 
-    orDefault<E>(E): Derivable<T | E>
+    orDefault<E>(value: E): Derivable<T | E>
 
@@ -24,3 +20,3 @@ react(f: (value: T) => void, options?: Lifecycle<T>): void;
 
-    withEquality(equals: (a: any, b: any) => boolean): this;
+    withEquality(equals: (a: T, b: T) => boolean): this;
   }
@@ -30,18 +26,15 @@
 
-    set<E>(value: E): Atom<E>;
+    set(value: T): void;
 
-    update<E>(f: (value: T, ...args: any[]) => E, ...args: any[]): Atom<E>;
-
-    proxy<E>(proxy: Proxy<T, E>): Atom<E>;
+    update(f: (value: T) => T): void;
+    update<A>(f: (value: T, a: A) => T, a: A): void;
+    update<A, B>(f: (value: T, a: A, b: B) => T, a: A, b: B): void;
+    update<A, B, C>(f: (value: T, a: A, b: B, c: C) => T, a: A, b: B, c: C): void;
+    update<A, B, C, D>(f: (value: T, a: A, b: B, c: C, d: D) => T, a: A, b: B, c: C, d: D): void;
   }
 
-  export interface Proxy<ParentType, ChildType> {
+  export interface Lens<T> extends Atom<T> {}
 
-    get(source: ParentType): ChildType;
+  export interface LensDescriptor<T> {
 
-    set(source: ParentType, value: ChildType): ParentType;
-  }
-
-  export interface CompositeProxy<T> {
-
     get(): T;
@@ -69,11 +62,11 @@
 
-  function proxy<T>(proxy: CompositeProxy<T>): Atom<T>;
+  function lens<T>(descriptor: LensDescriptor<T>): Lens<T>;
 
   function transact(f: () => void): void;
 
-  function transaction(f: (...args: any[]) => any): (...args: any[]) => any;
+  function transaction<F extends Function>(f: F): F;
 
   function atomically(f: () => void): void;
 
-  function atomic(f: (...args: any[]) => any): (...args: any[]) => any;
+  function atomic<F extends Function>(f: F): F;
 
@@ -90,6 +83,4 @@ function struct(obj: any): Derivable<any>;
 
-  function isProxy(obj: any): boolean;
+  function isLens(obj: any): boolean;
 
-  function captureDereferences(fn: () => void): Derivable<any>[];
-
   function setDebugMode(debugMode: boolean): void;
@@ -96,0 +87,0 @@

dist/derivable.es.js

@@ -55,19 +55,19 @@ var assign = Object.assign;
 var DERIVATION = "DERIVATION";
-var PROXY = "PROXY";
+var LENS = "LENS";
 var REACTOR = "REACTOR";
 
 function isDerivable(x) {
-  return x && (x._type === DERIVATION || x._type === ATOM || x._type === PROXY);
+  return x && (x._type === DERIVATION || x._type === ATOM || x._type === LENS);
 }
 
 function isAtom(x) {
-  return x && (x._type === ATOM || x._type === PROXY);
+  return x && (x._type === ATOM || x._type === LENS);
 }
 
 function isDerivation(x) {
-  return x && (x._type === DERIVATION || x._type === PROXY);
+  return x && (x._type === DERIVATION || x._type === LENS);
 }
 
-function isProxy(x) {
-  return x && x._type === PROXY;
+function isLens(x) {
+  return x && x._type === LENS;
 }
@@ -148,3 +148,5 @@
 
-function Derivation(deriver) {
+function Derivation(deriver, meta) {
+  if ( meta === void 0 ) meta = null;
+
   this._deriver = deriver;
@@ -157,2 +159,3 @@ this._parents = null;
   this._state = DISCONNECTED;
+  this._meta = meta;
 
@@ -267,7 +270,7 @@ if (isDebug()) {
 
-function derive(f) {
+function derive(f, meta) {
   if (typeof f !== "function") {
     throw Error("derive requires function");
   }
-  return new Derivation(f);
+  return new Derivation(f, meta);
 }
@@ -558,3 +561,3 @@
       case DERIVATION:
-      case PROXY:
+      case LENS:
         if (child._state !== UNKNOWN) {
@@ -730,3 +733,5 @@ child._state = UNKNOWN;
 
-function Atom(value) {
+function Atom(value, meta) {
+  if ( meta === void 0 ) meta = null;
+
   this._id = nextId();
@@ -738,2 +743,3 @@ this._activeChildren = [];
   this._equals = null;
+  this._meta = meta;
 }
@@ -775,15 +781,15 @@
 
-function atom(value) {
-  return new Atom(value);
+function atom(value, meta) {
+  return new Atom(value, meta);
 }
 
-function Proxy(descriptor) {
-  Derivation.call(this, descriptor.get);
-  this._proxyMapping = descriptor;
-  this._type = PROXY;
+function Lens(descriptor, meta) {
+  Derivation.call(this, descriptor.get, meta);
+  this._descriptor = descriptor;
+  this._type = LENS;
 }
 
-assign(Proxy.prototype, Derivation.prototype, {
+assign(Lens.prototype, Derivation.prototype, {
   _clone: function _clone() {
-    return setEquals(new Proxy(this._proxyMapping), this._equals);
+    return setEquals(new Lens(this._descriptor), this._equals);
   },
@@ -795,3 +801,3 @@
     atomically(function () {
-      this$1._proxyMapping.set(value);
+      this$1._descriptor.set(value);
     });
@@ -801,8 +807,8 @@ }
 
-function proxy(descriptor) {
-  return new Proxy(descriptor);
+function lens(descriptor, meta) {
+  return new Lens(descriptor, meta);
 }
 
 assign(Derivation.prototype, derivablePrototype);
-assign(Proxy.prototype, derivablePrototype, mutablePrototype);
+assign(Lens.prototype, derivablePrototype, mutablePrototype);
 assign(Atom.prototype, derivablePrototype, mutablePrototype);
@@ -817,3 +823,3 @@
 
-export { atom, proxy, derive, setDebugMode, isDerivable, isAtom, isProxy, isDerivation, unpack, struct, transact, transaction, ticker, atomic, atomically, Reactor as __Reactor, captureDereferences as __captureDereferences };
+export { atom, lens, derive, setDebugMode, isDerivable, isAtom, isLens, isDerivation, unpack, struct, transact, transaction, ticker, atomic, atomically, Reactor as __Reactor, captureDereferences as __captureDereferences };
 //# sourceMappingURL=derivable.es.js.map

dist/derivable.js

@@ -59,19 +59,19 @@ 'use strict';
 var DERIVATION = "DERIVATION";
-var PROXY = "PROXY";
+var LENS = "LENS";
 var REACTOR = "REACTOR";
 
 function isDerivable(x) {
-  return x && (x._type === DERIVATION || x._type === ATOM || x._type === PROXY);
+  return x && (x._type === DERIVATION || x._type === ATOM || x._type === LENS);
 }
 
 function isAtom(x) {
-  return x && (x._type === ATOM || x._type === PROXY);
+  return x && (x._type === ATOM || x._type === LENS);
 }
 
 function isDerivation(x) {
-  return x && (x._type === DERIVATION || x._type === PROXY);
+  return x && (x._type === DERIVATION || x._type === LENS);
 }
 
-function isProxy(x) {
-  return x && x._type === PROXY;
+function isLens(x) {
+  return x && x._type === LENS;
 }
@@ -152,3 +152,5 @@
 
-function Derivation(deriver) {
+function Derivation(deriver, meta) {
+  if ( meta === void 0 ) meta = null;
+
   this._deriver = deriver;
@@ -161,2 +163,3 @@ this._parents = null;
   this._state = DISCONNECTED;
+  this._meta = meta;
 
@@ -271,7 +274,7 @@ if (isDebug()) {
 
-function derive(f) {
+function derive(f, meta) {
   if (typeof f !== "function") {
     throw Error("derive requires function");
   }
-  return new Derivation(f);
+  return new Derivation(f, meta);
 }
@@ -562,3 +565,3 @@
       case DERIVATION:
-      case PROXY:
+      case LENS:
         if (child._state !== UNKNOWN) {
@@ -734,3 +737,5 @@ child._state = UNKNOWN;
 
-function Atom(value) {
+function Atom(value, meta) {
+  if ( meta === void 0 ) meta = null;
+
   this._id = nextId();
@@ -742,2 +747,3 @@ this._activeChildren = [];
   this._equals = null;
+  this._meta = meta;
 }
@@ -779,15 +785,15 @@
 
-function atom(value) {
-  return new Atom(value);
+function atom(value, meta) {
+  return new Atom(value, meta);
 }
 
-function Proxy(descriptor) {
-  Derivation.call(this, descriptor.get);
-  this._proxyMapping = descriptor;
-  this._type = PROXY;
+function Lens(descriptor, meta) {
+  Derivation.call(this, descriptor.get, meta);
+  this._descriptor = descriptor;
+  this._type = LENS;
 }
 
-assign(Proxy.prototype, Derivation.prototype, {
+assign(Lens.prototype, Derivation.prototype, {
   _clone: function _clone() {
-    return setEquals(new Proxy(this._proxyMapping), this._equals);
+    return setEquals(new Lens(this._descriptor), this._equals);
   },
@@ -799,3 +805,3 @@
     atomically(function () {
-      this$1._proxyMapping.set(value);
+      this$1._descriptor.set(value);
     });
@@ -805,8 +811,8 @@ }
 
-function proxy(descriptor) {
-  return new Proxy(descriptor);
+function lens(descriptor, meta) {
+  return new Lens(descriptor, meta);
 }
 
 assign(Derivation.prototype, derivablePrototype);
-assign(Proxy.prototype, derivablePrototype, mutablePrototype);
+assign(Lens.prototype, derivablePrototype, mutablePrototype);
 assign(Atom.prototype, derivablePrototype, mutablePrototype);
@@ -822,3 +828,3 @@
 exports.atom = atom;
-exports.proxy = proxy;
+exports.lens = lens;
 exports.derive = derive;
@@ -828,3 +834,3 @@ exports.setDebugMode = setDebugMode;
 exports.isAtom = isAtom;
-exports.isProxy = isProxy;
+exports.isLens = isLens;
 exports.isDerivation = isDerivation;
@@ -831,0 +837,0 @@ exports.unpack = unpack;

dist/derivable.umd.js

@@ -61,19 +61,19 @@ (function (global, factory) {
 var DERIVATION = "DERIVATION";
-var PROXY = "PROXY";
+var LENS = "LENS";
 var REACTOR = "REACTOR";
 
 function isDerivable(x) {
-  return x && (x._type === DERIVATION || x._type === ATOM || x._type === PROXY);
+  return x && (x._type === DERIVATION || x._type === ATOM || x._type === LENS);
 }
 
 function isAtom(x) {
-  return x && (x._type === ATOM || x._type === PROXY);
+  return x && (x._type === ATOM || x._type === LENS);
 }
 
 function isDerivation(x) {
-  return x && (x._type === DERIVATION || x._type === PROXY);
+  return x && (x._type === DERIVATION || x._type === LENS);
 }
 
-function isProxy(x) {
-  return x && x._type === PROXY;
+function isLens(x) {
+  return x && x._type === LENS;
 }
@@ -154,3 +154,5 @@
 
-function Derivation(deriver) {
+function Derivation(deriver, meta) {
+  if ( meta === void 0 ) meta = null;
+
   this._deriver = deriver;
@@ -163,2 +165,3 @@ this._parents = null;
   this._state = DISCONNECTED;
+  this._meta = meta;
 
@@ -273,7 +276,7 @@ if (isDebug()) {
 
-function derive(f) {
+function derive(f, meta) {
   if (typeof f !== "function") {
     throw Error("derive requires function");
   }
-  return new Derivation(f);
+  return new Derivation(f, meta);
 }
@@ -564,3 +567,3 @@
       case DERIVATION:
-      case PROXY:
+      case LENS:
         if (child._state !== UNKNOWN) {
@@ -736,3 +739,5 @@ child._state = UNKNOWN;
 
-function Atom(value) {
+function Atom(value, meta) {
+  if ( meta === void 0 ) meta = null;
+
   this._id = nextId();
@@ -744,2 +749,3 @@ this._activeChildren = [];
   this._equals = null;
+  this._meta = meta;
 }
@@ -781,15 +787,15 @@
 
-function atom(value) {
-  return new Atom(value);
+function atom(value, meta) {
+  return new Atom(value, meta);
 }
 
-function Proxy(descriptor) {
-  Derivation.call(this, descriptor.get);
-  this._proxyMapping = descriptor;
-  this._type = PROXY;
+function Lens(descriptor, meta) {
+  Derivation.call(this, descriptor.get, meta);
+  this._descriptor = descriptor;
+  this._type = LENS;
 }
 
-assign(Proxy.prototype, Derivation.prototype, {
+assign(Lens.prototype, Derivation.prototype, {
   _clone: function _clone() {
-    return setEquals(new Proxy(this._proxyMapping), this._equals);
+    return setEquals(new Lens(this._descriptor), this._equals);
   },
@@ -801,3 +807,3 @@
     atomically(function () {
-      this$1._proxyMapping.set(value);
+      this$1._descriptor.set(value);
     });
@@ -807,8 +813,8 @@ }
 
-function proxy(descriptor) {
-  return new Proxy(descriptor);
+function lens(descriptor, meta) {
+  return new Lens(descriptor, meta);
 }
 
 assign(Derivation.prototype, derivablePrototype);
-assign(Proxy.prototype, derivablePrototype, mutablePrototype);
+assign(Lens.prototype, derivablePrototype, mutablePrototype);
 assign(Atom.prototype, derivablePrototype, mutablePrototype);
@@ -824,3 +830,3 @@
 exports.atom = atom;
-exports.proxy = proxy;
+exports.lens = lens;
 exports.derive = derive;
@@ -830,3 +836,3 @@ exports.setDebugMode = setDebugMode;
 exports.isAtom = isAtom;
-exports.isProxy = isProxy;
+exports.isLens = isLens;
 exports.isDerivation = isDerivation;
@@ -833,0 +839,0 @@ exports.unpack = unpack;

dist/derivable.umd.min.js

@@ -1,6 +0,6 @@
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e(t.Derivable={})}(this,function(t){"use strict";function e(t,e){-1===t.indexOf(e)&&t.push(e)}function n(t){return null!==t&&void 0!==t}function r(){return C}function i(t,e){return t._equals=e,t}function o(t,e,n){return(t._equals||function(t,e){return Object.is(t,e)||t&&"function"==typeof t.equals&&t.equals(e)})(e,n)}function s(t){return t&&(t._type===V||t._type===I||t._type===M)}function a(t,e){P.push({parents:e,offset:0,child:t}),S=t}function u(){P.pop(),S=0===P.length?null:P[P.length-1].child}function f(t){if(null!==S){var n=P[P.length-1];if(n.parents[n.offset]===t)n.offset++;else{var r=n.parents.indexOf(t);if(-1===r)void 0!==S&&e(t._activeChildren,S),n.offset===n.parents.length?n.parents.push(t):(n.parents.push(n.parents[n.offset]),n.parents[n.offset]=t),n.offset++;else if(r>n.offset){var i=n.parents[r];n.parents[r]=n.parents[n.offset],n.parents[n.offset]=i,n.offset++}}}}function c(t){this._deriver=t,this._parents=null,this._type=V,this._value=j,this._equals=null,this._activeChildren=[],this._state=N,r()&&(this.stack=Error().stack)}function h(t,e){if(function(t,e){var n=t.indexOf(e);-1!==n&&t.splice(n,1)}(t._activeChildren,e),0===t._activeChildren.length&&null!=t._parents){for(var n=t._parents.length,r=0;r<n;r++)h(t._parents[r],t);t._parents=null,t._state=N}}function l(t){if("function"!=typeof t)throw Error("derive requires function");return new c(t)}function _(t,e){this._parent=t,this.react=e,this._governor=null,this._active=!1,this._reacting=!1,this._type=L,r()&&(this.stack=Error().stack)}function p(t,e,n){if("function"!=typeof e)throw Error("the first argument to .react must be a function");var r=(n=x({once:!1,skipFirst:!1},n)).skipFirst,i=new _(t,function(t){r?r=!1:(e(t),n.once&&(i.stop(),p.stop()))}),o=function(t,e){if(s(t))return t;if("function"==typeof t)return t;if(void 0===t)return t
-;throw Error("react "+e+" condition must be derivable or function, got: "+JSON.stringify(t))},a=function(e,n){return e?"function"==typeof e?e(t):e.get():n},u=o(n.from,"from"),f=o(n.until,"until"),c=o(n.when,"when"),h=!1,p=new _(l(function(){return{from:a(u,!0),until:a(f,!1),when:a(c,!0)}}),function(t){t.from&&(h=!0),h&&(t.until?(i.stop(),p.stop()):t.when?i._active||(i.start(),i.force()):i._active&&i.stop())});p.start(),p.force(),i._governor=p}function v(t){return s(t)?t.get():t}function d(t){if(s(t))return t.get();if(Array.isArray(t))return t.map(d);if(t.constructor===Object){for(var e={},n=Object.keys(t),r=n.length;r--;){var i=n[r];e[i]=d(t[i])}return e}return t}function y(t,e){for(var n=0,r=t._activeChildren.length;n<r;n++){var i=t._activeChildren[n];switch(i._type){case V:case M:i._state!==T&&(i._state=T,y(i,e));break;case L:e.push(i)}}}function g(t){for(var e=0,n=t.length;e<n;e++){var r=t[e];if(r._reacting)throw Error("Synchronous cyclical reactions disallowed. Use setImmediate.");r._maybeReact()}}function w(){return null!==J}function m(t){E();try{t(function(){throw H})}catch(t){if(O(),t!==H)throw t;return}A()}function b(t){w()?t():m(t)}function E(){J=new function(t){this.parent=t,this.id2originalValue={},this.modifiedAtoms=[]}(J)}function A(){var t=J;if(null===(J=t.parent)){var e=[];t.modifiedAtoms.forEach(function(n){o(n,n._value,t.id2originalValue[n._id])?n._state=F:(n._state=B,y(n,e))}),g(e),t.modifiedAtoms.forEach(function(t){t._state=F})}}function O(){var t=J;J=t.parent,t.modifiedAtoms.forEach(function(e){e._value=t.id2originalValue[e._id],e._state=F,y(e,[])})}function k(t){this._id=R++,this._activeChildren=[],this._value=t,this._state=F,this._type=I,this._equals=null}function q(t){return new k(t)}function D(t){c.call(this,t.get),this._proxyMapping=t,this._type=M}var x=Object.assign,R=0,j=Object.freeze({equals:function(){return!1}}),C=!1,I="ATOM",V="DERIVATION",M="PROXY",L="REACTOR",T=0,B=1,F=2,N=3,P=[],S=null;x(c.prototype,{_clone:function(){return i(l(this._deriver),this._equals)},
-_forceEval:function(){var t,e=null;try{if(null===this._parents&&(this._parents=[]),a(this,this._parents),r())try{e=this._deriver()}catch(t){throw console.error(this.stack),t}else e=this._deriver();t=P[P.length-1].offset}finally{u()}this._state=o(this,e,this._value)?F:B;for(var n=t,i=this._parents.length;n<i;n++){h(this._parents[n],this),this._parents[n]=null}this._parents.length=t,this._value=e},_update:function(){if(null===this._parents)this._forceEval();else if(this._state===T){for(var t=this._parents.length,e=0;e<t;e++){var n=this._parents[e];if(n._state===T&&n._update(),n._state===B){this._forceEval();break}}this._state===T&&(this._state=F)}},get:function(){if(f(this),this._activeChildren.length>0)this._update();else{a(void 0,[]);try{this._value=this._deriver()}finally{u()}}return this._value}}),x(_.prototype,{start:function(){this._active=!0,e(this._parent._activeChildren,this),this._parent.get()},_force:function(t){try{this._reacting=!0,this.react(t)}catch(t){throw r()&&console.error(this.stack),t}finally{this._reacting=!1}},force:function(){this._force(this._parent.get())},stop:function(){h(this._parent,this),this._active=!1},_maybeReact:function(){if(!this._reacting&&this._active&&(null!==this._governor&&this._governor._maybeReact(),this._active)){var t=this._parent.get();this._parent._state===B&&this._force(t)}}});var z={derive:function(t){var e=this;if("function"!=typeof t)throw Error("derive requires function");return l(function(){return t(e.get())})},maybeDerive:function(t){var e=this;if("function"!=typeof t)throw Error("maybeDerive requires function");return l(function(){var r=e.get();return n(r)?t(r):null})},orDefault:function(t){if(!n(t))throw Error("orDefault requires non-null value");return this.derive(function(e){return n(e)?e:t})},react:function(t,e){p(this,t,e)},maybeReact:function(t,e){var n=this.derive(Boolean);if(e&&"when"in e&&!0!==e.when){var r=e.when;if("function"==typeof r||!1===r)r=l(r);else if(!s(r))throw new Error("when condition must be bool, function, or derivable")
-;n=n.derive(function(t){return t&&r.get()})}p(this,t,x({},e,{when:n}))},is:function(t){var e=this;return l(function(){return o(e,e.get(),v(t))})},withEquality:function(t){if(t){if("function"!=typeof t)throw new Error("equals must be function")}else t=null;return i(this._clone(),t)}},G={update:function(t,e,n,r,i){switch(arguments.length){case 0:throw Error("update method accepts at least 1 argument");case 1:return this.set(t(this.get()));case 2:return this.set(t(this.get(),e));case 3:return this.set(t(this.get(),e,n));case 4:return this.set(t(this.get(),e,n,r));case 5:return this.set(t(this.get(),e,n,r,i));default:throw Error("update method accepts only 5 arguments")}}},H={},J=null,K=0,U="object"==typeof window?window:"object"==typeof global?global:{},X=U.__DERIVABLE_DEVTOOLS_HOOK__;x(k.prototype,{_clone:function(){return i(q(this._value),this._equals)},set:function(t){!function(t){null!==J&&(t._id in J.id2originalValue||(J.modifiedAtoms.push(t),J.id2originalValue[t._id]=t._value))}(this);var e=this._value;if(this._value=t,!w()&&!o(this,t,e))try{this._state=B;var n=[];y(this,n),g(n)}finally{this._state=F}},get:function(){return"function"==typeof X&&X("captureAtom",this),f(this),this._value}}),x(D.prototype,c.prototype,{_clone:function(){return i(new D(this._proxyMapping),this._equals)},set:function(t){var e=this;b(function(){e._proxyMapping.set(t)})}}),x(c.prototype,z),x(D.prototype,z,G),x(k.prototype,z,G),U.__DERIVABLE_INIT_FLAG__&&console.warn("Multiple instances of derivable have been initialized on the same page"),U.__DERIVABLE_INIT_FLAG__=!0,t.atom=q,t.proxy=function(t){return new D(t)},t.derive=l,t.setDebugMode=function(t){C=!!t},t.isDerivable=s,t.isAtom=function(t){return t&&(t._type===I||t._type===M)},t.isProxy=function(t){return t&&t._type===M},t.isDerivation=function(t){return t&&(t._type===V||t._type===M)},t.unpack=v,t.struct=function(t){if(t.constructor===Object||Array.isArray(t))return l(function(){return d(t)});throw new Error("`struct` expects plain Object or Array")},t.transact=m,
-t.transaction=function(t){return function(){for(var e=[],n=arguments.length;n--;)e[n]=arguments[n];var r;return m(function(){r=t.apply(void 0,e)}),r}},t.ticker=function(){0===K&&E(),K++;var t=!1;return{tick:function(){if(t)throw new Error("trying to use ticker after release");A(),E()},reset:function(){if(t)throw new Error("trying to use ticker after release");O(),E()},release:function(){if(t)throw new Error("ticker already released");t=!0,0==--K&&A()}}},t.atomic=function(t){return function(){for(var e=[],n=arguments.length;n--;)e[n]=arguments[n];var r;return b(function(){r=t.apply(void 0,e)}),r}},t.atomically=b,t.__Reactor=_,t.__captureDereferences=function(t){var e=[];a(void 0,e);try{t()}finally{u()}return e},Object.defineProperty(t,"__esModule",{value:!0})});
+!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e(t.Derivable={})}(this,function(t){"use strict";function e(t,e){-1===t.indexOf(e)&&t.push(e)}function n(t){return null!==t&&void 0!==t}function r(){return I}function i(t,e){return t._equals=e,t}function o(t,e,n){return(t._equals||function(t,e){return Object.is(t,e)||t&&"function"==typeof t.equals&&t.equals(e)})(e,n)}function s(t){return t&&(t._type===L||t._type===V||t._type===x)}function a(t,e){S.push({parents:e,offset:0,child:t}),z=t}function u(){S.pop(),z=0===S.length?null:S[S.length-1].child}function c(t){if(null!==z){var n=S[S.length-1];if(n.parents[n.offset]===t)n.offset++;else{var r=n.parents.indexOf(t);if(-1===r)void 0!==z&&e(t._activeChildren,z),n.offset===n.parents.length?n.parents.push(t):(n.parents.push(n.parents[n.offset]),n.parents[n.offset]=t),n.offset++;else if(r>n.offset){var i=n.parents[r];n.parents[r]=n.parents[n.offset],n.parents[n.offset]=i,n.offset++}}}}function f(t,e){void 0===e&&(e=null),this._deriver=t,this._parents=null,this._type=L,this._value=C,this._equals=null,this._activeChildren=[],this._state=M,this._meta=e,r()&&(this.stack=Error().stack)}function h(t,e){if(function(t,e){var n=t.indexOf(e);-1!==n&&t.splice(n,1)}(t._activeChildren,e),0===t._activeChildren.length&&null!=t._parents){for(var n=t._parents.length,r=0;r<n;r++)h(t._parents[r],t);t._parents=null,t._state=M}}function l(t,e){if("function"!=typeof t)throw Error("derive requires function");return new f(t,e)}function _(t,e){this._parent=t,this.react=e,this._governor=null,this._active=!1,this._reacting=!1,this._type=T,r()&&(this.stack=Error().stack)}function p(t,e,n){if("function"!=typeof e)throw Error("the first argument to .react must be a function");var r=(n=j({once:!1,skipFirst:!1},n)).skipFirst,i=new _(t,function(t){r?r=!1:(e(t),n.once&&(i.stop(),p.stop()))}),o=function(t,e){if(s(t))return t;if("function"==typeof t)return t;if(void 0===t)return t
+;throw Error("react "+e+" condition must be derivable or function, got: "+JSON.stringify(t))},a=function(e,n){return e?"function"==typeof e?e(t):e.get():n},u=o(n.from,"from"),c=o(n.until,"until"),f=o(n.when,"when"),h=!1,p=new _(l(function(){return{from:a(u,!0),until:a(c,!1),when:a(f,!0)}}),function(t){t.from&&(h=!0),h&&(t.until?(i.stop(),p.stop()):t.when?i._active||(i.start(),i.force()):i._active&&i.stop())});p.start(),p.force(),i._governor=p}function v(t){return s(t)?t.get():t}function d(t){if(s(t))return t.get();if(Array.isArray(t))return t.map(d);if(t.constructor===Object){for(var e={},n=Object.keys(t),r=n.length;r--;){var i=n[r];e[i]=d(t[i])}return e}return t}function y(t,e){for(var n=0,r=t._activeChildren.length;n<r;n++){var i=t._activeChildren[n];switch(i._type){case L:case x:i._state!==N&&(i._state=N,y(i,e));break;case T:e.push(i)}}}function g(t){for(var e=0,n=t.length;e<n;e++){var r=t[e];if(r._reacting)throw Error("Synchronous cyclical reactions disallowed. Use setImmediate.");r._maybeReact()}}function w(){return null!==K}function m(t){b();try{t(function(){throw J})}catch(t){if(O(),t!==J)throw t;return}A()}function E(t){w()?t():m(t)}function b(){K=new function(t){this.parent=t,this.id2originalValue={},this.modifiedAtoms=[]}(K)}function A(){var t=K;if(null===(K=t.parent)){var e=[];t.modifiedAtoms.forEach(function(n){o(n,n._value,t.id2originalValue[n._id])?n._state=F:(n._state=B,y(n,e))}),g(e),t.modifiedAtoms.forEach(function(t){t._state=F})}}function O(){var t=K;K=t.parent,t.modifiedAtoms.forEach(function(e){e._value=t.id2originalValue[e._id],e._state=F,y(e,[])})}function k(t,e){void 0===e&&(e=null),this._id=R++,this._activeChildren=[],this._value=t,this._state=F,this._type=V,this._equals=null,this._meta=e}function q(t,e){return new k(t,e)}function D(t,e){f.call(this,t.get,e),this._descriptor=t,this._type=x}var j=Object.assign,R=0,C=Object.freeze({equals:function(){return!1}}),I=!1,V="ATOM",L="DERIVATION",x="LENS",T="REACTOR",N=0,B=1,F=2,M=3,S=[],z=null;j(f.prototype,{_clone:function(){
+return i(l(this._deriver),this._equals)},_forceEval:function(){var t,e=null;try{if(null===this._parents&&(this._parents=[]),a(this,this._parents),r())try{e=this._deriver()}catch(t){throw console.error(this.stack),t}else e=this._deriver();t=S[S.length-1].offset}finally{u()}this._state=o(this,e,this._value)?F:B;for(var n=t,i=this._parents.length;n<i;n++){h(this._parents[n],this),this._parents[n]=null}this._parents.length=t,this._value=e},_update:function(){if(null===this._parents)this._forceEval();else if(this._state===N){for(var t=this._parents.length,e=0;e<t;e++){var n=this._parents[e];if(n._state===N&&n._update(),n._state===B){this._forceEval();break}}this._state===N&&(this._state=F)}},get:function(){if(c(this),this._activeChildren.length>0)this._update();else{a(void 0,[]);try{this._value=this._deriver()}finally{u()}}return this._value}}),j(_.prototype,{start:function(){this._active=!0,e(this._parent._activeChildren,this),this._parent.get()},_force:function(t){try{this._reacting=!0,this.react(t)}catch(t){throw r()&&console.error(this.stack),t}finally{this._reacting=!1}},force:function(){this._force(this._parent.get())},stop:function(){h(this._parent,this),this._active=!1},_maybeReact:function(){if(!this._reacting&&this._active&&(null!==this._governor&&this._governor._maybeReact(),this._active)){var t=this._parent.get();this._parent._state===B&&this._force(t)}}});var G={derive:function(t){var e=this;if("function"!=typeof t)throw Error("derive requires function");return l(function(){return t(e.get())})},maybeDerive:function(t){var e=this;if("function"!=typeof t)throw Error("maybeDerive requires function");return l(function(){var r=e.get();return n(r)?t(r):null})},orDefault:function(t){if(!n(t))throw Error("orDefault requires non-null value");return this.derive(function(e){return n(e)?e:t})},react:function(t,e){p(this,t,e)},maybeReact:function(t,e){var n=this.derive(Boolean);if(e&&"when"in e&&!0!==e.when){var r=e.when
+;if("function"==typeof r||!1===r)r=l(r);else if(!s(r))throw new Error("when condition must be bool, function, or derivable");n=n.derive(function(t){return t&&r.get()})}p(this,t,j({},e,{when:n}))},is:function(t){var e=this;return l(function(){return o(e,e.get(),v(t))})},withEquality:function(t){if(t){if("function"!=typeof t)throw new Error("equals must be function")}else t=null;return i(this._clone(),t)}},H={update:function(t,e,n,r,i){switch(arguments.length){case 0:throw Error("update method accepts at least 1 argument");case 1:return this.set(t(this.get()));case 2:return this.set(t(this.get(),e));case 3:return this.set(t(this.get(),e,n));case 4:return this.set(t(this.get(),e,n,r));case 5:return this.set(t(this.get(),e,n,r,i));default:throw Error("update method accepts only 5 arguments")}}},J={},K=null,P=0,U="object"==typeof window?window:"object"==typeof global?global:{},Q=U.__DERIVABLE_DEVTOOLS_HOOK__;j(k.prototype,{_clone:function(){return i(q(this._value),this._equals)},set:function(t){!function(t){null!==K&&(t._id in K.id2originalValue||(K.modifiedAtoms.push(t),K.id2originalValue[t._id]=t._value))}(this);var e=this._value;if(this._value=t,!w()&&!o(this,t,e))try{this._state=B;var n=[];y(this,n),g(n)}finally{this._state=F}},get:function(){return"function"==typeof Q&&Q("captureAtom",this),c(this),this._value}}),j(D.prototype,f.prototype,{_clone:function(){return i(new D(this._descriptor),this._equals)},set:function(t){var e=this;E(function(){e._descriptor.set(t)})}}),j(f.prototype,G),j(D.prototype,G,H),j(k.prototype,G,H),U.__DERIVABLE_INIT_FLAG__&&console.warn("Multiple instances of derivable have been initialized on the same page"),U.__DERIVABLE_INIT_FLAG__=!0,t.atom=q,t.lens=function(t,e){return new D(t,e)},t.derive=l,t.setDebugMode=function(t){I=!!t},t.isDerivable=s,t.isAtom=function(t){return t&&(t._type===V||t._type===x)},t.isLens=function(t){return t&&t._type===x},t.isDerivation=function(t){return t&&(t._type===L||t._type===x)},t.unpack=v,t.struct=function(t){
+if(t.constructor===Object||Array.isArray(t))return l(function(){return d(t)});throw new Error("`struct` expects plain Object or Array")},t.transact=m,t.transaction=function(t){return function(){for(var e=[],n=arguments.length;n--;)e[n]=arguments[n];var r;return m(function(){r=t.apply(void 0,e)}),r}},t.ticker=function(){0===P&&b(),P++;var t=!1;return{tick:function(){if(t)throw new Error("trying to use ticker after release");A(),b()},reset:function(){if(t)throw new Error("trying to use ticker after release");O(),b()},release:function(){if(t)throw new Error("ticker already released");t=!0,0==--P&&A()}}},t.atomic=function(t){return function(){for(var e=[],n=arguments.length;n--;)e[n]=arguments[n];var r;return E(function(){r=t.apply(void 0,e)}),r}},t.atomically=E,t.__Reactor=_,t.__captureDereferences=function(t){var e=[];a(void 0,e);try{t()}finally{u()}return e},Object.defineProperty(t,"__esModule",{value:!0})});
 //# sourceMappingURL=derivable.umd.min.js.map

package.json

 {
   "name": "derivable",
-  "version": "2.0.0-beta.2",
+  "version": "2.0.0-beta.3",
   "description": "Functional Reactive State for JavaScript & TypeScript",
@@ -59,3 +59,3 @@ "author": "David Sheldrick",
     "mobx": "^2.3.3",
-    "np": "^2.16.0",
+    "np": "^2.20.1",
     "prettier": "^1.8.2",
@@ -73,3 +73,3 @@ "rollup": "^0.51.6",
   },
-  "license": "Apache 2.0"
+  "license": "Apache-2.0"
 }

Fixed alerts

Major refactor

Supply chain risk

Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

318288

increased by0.45%

Lines of code

2279

increased by0.35%

Number of medium supply chain risk alerts

0

decreased by-100%

No dependency changes