rko - npm Package Compare versions

Comparing version 0.5.12 to 0.5.13

CHANGELOG.md

 # rko
 
+## 0.5.13
+
+- Updates `resetState` so that it returns to the provided initial state, rather than the restored persisted state.
+- Deep copies the initial state (or restored persisted state) to prevent clashes from mutations.
+- Adds additional tests.
+
 ## 0.5.9
@@ -4,0 +10,0 @@

dist/cjs/index.js

@@ -1,1 +0,1 @@
-var U=Object.defineProperty;var _=Object.getOwnPropertySymbols;var D=Object.prototype.hasOwnProperty,I=Object.prototype.propertyIsEnumerable;var P=(n,t,e)=>t in n?U(n,t,{enumerable:!0,configurable:!0,writable:!0,value:e}):n[t]=e,v=(n,t)=>{for(var e in t||(t={}))D.call(t,e)&&P(n,e,t[e]);if(_)for(var e of _(t))I.call(t,e)&&P(n,e,t[e]);return n};var k=(n,t,e)=>new Promise((r,i)=>{var o=u=>{try{f(e.next(u))}catch(s){i(s)}},d=u=>{try{f(e.throw(u))}catch(s){i(s)}},f=u=>u.done?r(u.value):Promise.resolve(u.value).then(o,d);f((e=e.apply(n,t)).next())});function R(n){let t,e=new Set,r=(s,c)=>{let a=typeof s=="function"?s(t):s;if(a!==t){let h=t;t=c?a:Object.assign({},t,a),e.forEach(p=>p(t,h))}},i=()=>t,o=(s,c=i,a=Object.is)=>{let h=c(t);function p(){let S=c(t);if(!a(h,S)){let l=h;s(h=S,l)}}return e.add(p),()=>e.delete(p)},u={setState:r,getState:i,subscribe:(s,c,a)=>c||a?o(s,c,a):(e.add(s),()=>e.delete(s)),destroy:()=>e.clear()};return t=n(r,i,u),u}import{useReducer as B,useRef as b,useEffect as V,useLayoutEffect as z}from"react";function G(n){let t,e=new Set,r=(s,c)=>{let a=typeof s=="function"?s(t):s;if(a!==t){let h=t;t=c?a:Object.assign({},t,a),e.forEach(p=>p(t,h))}},i=()=>t,o=(s,c=i,a=Object.is)=>{let h=c(t);function p(){let S=c(t);if(!a(h,S)){let l=h;s(h=S,l)}}return e.add(p),()=>e.delete(p)},u={setState:r,getState:i,subscribe:(s,c,a)=>c||a?o(s,c,a):(e.add(s),()=>e.delete(s)),destroy:()=>e.clear()};return t=n(r,i,u),u}var H=typeof window=="undefined"||!window.navigator||/ServerSideRendering|^Deno\//.test(window.navigator.userAgent),j=H?V:z;function A(n){let t=typeof n=="function"?G(n):n,e=(r=t.getState,i=Object.is)=>{let[,o]=B(l=>l+1,0),d=t.getState(),f=b(d),u=b(r),s=b(i),c=b(!1),a=b();a.current===void 0&&(a.current=r(d));let h,p=!1;(f.current!==d||u.current!==r||s.current!==i||c.current)&&(h=r(d),p=!i(a.current,h)),j(()=>{p&&(a.current=h),f.current=d,u.current=r,s.current=i,c.current=!1});let S=b(d);return j(()=>{let l=()=>{try{let g=t.getState(),w=u.current(g);s.current(a.current,w)||(f.current=g,a.current=w,o())}catch(g){c.current=!0,o()}},E=t.subscribe(l);return t.getState()!==S.current&&l(),E},[]),p?h:a.current};return Object.assign(e,t),e[Symbol.iterator]=function(){console.warn("[useStore, api] = create() is deprecated and will be removed in v4");let r=[e,t];return{next(){let i=r.length<=0;return{value:r.shift(),done:i}}}},e}function L(){if(!(!navigator.userAgentData&&/Safari\//.test(navigator.userAgent)&&!/Chrom(e|ium)\//.test(navigator.userAgent))||!indexedDB.databases)return Promise.resolve();let t;return new Promise(e=>{let r=()=>indexedDB.databases().finally(e);t=setInterval(r,100),r()}).finally(()=>clearInterval(t))}var M=L;function y(n){return new Promise((t,e)=>{n.oncomplete=n.onsuccess=()=>t(n.result),n.onabort=n.onerror=()=>e(n.error)})}function W(n,t){let e=M().then(()=>{let r=indexedDB.open(n);return r.onupgradeneeded=()=>r.result.createObjectStore(t),y(r)});return(r,i)=>e.then(o=>i(o.transaction(t,r).objectStore(t)))}var m;function O(){return m||(m=W("keyval-store","keyval")),m}function x(n,t=O()){return t("readonly",e=>y(e.get(n)))}function T(n,t,e=O()){return e("readwrite",r=>(r.put(t,n),y(r.transaction)))}function C(n,t){let e=v({},n),r=Object.entries(t);for(let[i,o]of r)e[i]=o===Object(o)&&!Array.isArray(o)?C(e[i],o):o;return e}var $=class{constructor(t,e,r,i){this.stack=[];this.pointer=-1;this._status="loading";this.persist=()=>{this.id&&T(this.id,this._state)};this.applyPatch=t=>{let e=this._state,r=C(this._state,t);return this._state=this.cleanup(r,e,t),this.store.setState(this._state,!0),this};this.cleanup=(t,e,r)=>t;this.patchState=t=>(this.applyPatch(t),this);this.replaceState=t=>(this._state=this.cleanup(t,this._state,t),this.store.setState(this._state,!0),this);this.setState=t=>(this.pointer++,this.stack=this.stack.slice(0,this.pointer),this.stack.push(t),this.applyPatch(t.after),this.persist(),this);this.reset=()=>(this._state=this.initialState,this.store.setState(this.initialState,!0),this.resetHistory(),this.persist(),this);this.resetHistory=()=>(this.stack=[],this.pointer=-1,this);this.undo=()=>{if(!this.canUndo)return this;let t=this.stack[this.pointer];return this.pointer--,this.applyPatch(t.before),this.persist(),this};this.redo=()=>{if(!this.canRedo)return this;this.pointer++;let t=this.stack[this.pointer];return this.applyPatch(t.after),this.persist(),this};this.setSnapshot=()=>(this.snapshot=v({},this._state),this);this.forceUpdate=()=>{this.store.setState(this._state,!0)};this.id=e,this._state=t,this.snapshot=t,this.initialState=t,this.store=R(()=>t),this.useStore=A(this.store),this.id&&x(this.id).then(o=>k(this,null,function*(){if(o){let d=o;if(r){let f=yield x(e+"_version");f&&f<r&&(d=i?i(o,t,f):t)}yield T(e+"_version",r||-1),this._state=d,this.snapshot=d,this.initialState=d,this._status="ready",this.store.setState(this._state,!0)}else yield T(e+"_version",r||-1),this._status="ready"}))}get canUndo(){return this.pointer>-1}get canRedo(){return this.pointer<this.stack.length-1}get state(){return this._state}get status(){return this._status}};export{$ as StateManager};
+var U=Object.defineProperty;var P=Object.getOwnPropertySymbols;var I=Object.prototype.hasOwnProperty,B=Object.prototype.propertyIsEnumerable;var R=(r,t,e)=>t in r?U(r,t,{enumerable:!0,configurable:!0,writable:!0,value:e}):r[t]=e,m=(r,t)=>{for(var e in t||(t={}))I.call(t,e)&&R(r,e,t[e]);if(P)for(var e of P(t))B.call(t,e)&&R(r,e,t[e]);return r};var j=(r,t,e)=>new Promise((s,i)=>{var o=u=>{try{f(e.next(u))}catch(n){i(n)}},p=u=>{try{f(e.throw(u))}catch(n){i(n)}},f=u=>u.done?s(u.value):Promise.resolve(u.value).then(o,p);f((e=e.apply(r,t)).next())});function M(r){let t,e=new Set,s=(n,c)=>{let a=typeof n=="function"?n(t):n;if(a!==t){let h=t;t=c?a:Object.assign({},t,a),e.forEach(d=>d(t,h))}},i=()=>t,o=(n,c=i,a=Object.is)=>{let h=c(t);function d(){let b=c(t);if(!a(h,b)){let l=h;n(h=b,l)}}return e.add(d),()=>e.delete(d)},u={setState:s,getState:i,subscribe:(n,c,a)=>c||a?o(n,c,a):(e.add(n),()=>e.delete(n)),destroy:()=>e.clear()};return t=r(s,i,u),u}import{useReducer as V,useRef as y,useEffect as z,useLayoutEffect as G}from"react";function H(r){let t,e=new Set,s=(n,c)=>{let a=typeof n=="function"?n(t):n;if(a!==t){let h=t;t=c?a:Object.assign({},t,a),e.forEach(d=>d(t,h))}},i=()=>t,o=(n,c=i,a=Object.is)=>{let h=c(t);function d(){let b=c(t);if(!a(h,b)){let l=h;n(h=b,l)}}return e.add(d),()=>e.delete(d)},u={setState:s,getState:i,subscribe:(n,c,a)=>c||a?o(n,c,a):(e.add(n),()=>e.delete(n)),destroy:()=>e.clear()};return t=r(s,i,u),u}var L=typeof window=="undefined"||!window.navigator||/ServerSideRendering|^Deno\//.test(window.navigator.userAgent),A=L?z:G;function O(r){let t=typeof r=="function"?H(r):r,e=(s=t.getState,i=Object.is)=>{let[,o]=V(l=>l+1,0),p=t.getState(),f=y(p),u=y(s),n=y(i),c=y(!1),a=y();a.current===void 0&&(a.current=s(p));let h,d=!1;(f.current!==p||u.current!==s||n.current!==i||c.current)&&(h=s(p),d=!i(a.current,h)),A(()=>{d&&(a.current=h),f.current=p,u.current=s,n.current=i,c.current=!1});let b=y(p);return A(()=>{let l=()=>{try{let g=t.getState(),k=u.current(g);n.current(a.current,k)||(f.current=g,a.current=k,o())}catch(g){c.current=!0,o()}},E=t.subscribe(l);return t.getState()!==b.current&&l(),E},[]),d?h:a.current};return Object.assign(e,t),e[Symbol.iterator]=function(){console.warn("[useStore, api] = create() is deprecated and will be removed in v4");let s=[e,t];return{next(){let i=s.length<=0;return{value:s.shift(),done:i}}}},e}function W(){if(!(!navigator.userAgentData&&/Safari\//.test(navigator.userAgent)&&!/Chrom(e|ium)\//.test(navigator.userAgent))||!indexedDB.databases)return Promise.resolve();let t;return new Promise(e=>{let s=()=>indexedDB.databases().finally(e);t=setInterval(s,100),s()}).finally(()=>clearInterval(t))}var C=W;function v(r){return new Promise((t,e)=>{r.oncomplete=r.onsuccess=()=>t(r.result),r.onabort=r.onerror=()=>e(r.error)})}function K(r,t){let e=C().then(()=>{let s=indexedDB.open(r);return s.onupgradeneeded=()=>s.result.createObjectStore(t),v(s)});return(s,i)=>e.then(o=>i(o.transaction(t,s).objectStore(t)))}var _;function D(){return _||(_=K("keyval-store","keyval")),_}function w(r,t=D()){return t("readonly",e=>v(e.get(r)))}function T(r,t,e=D()){return e("readwrite",s=>(s.put(t,r),v(s.transaction)))}function S(r){if(r===null)return r;if(r instanceof Date)return new Date(r.getTime());if(typeof r=="object")if(typeof r[Symbol.iterator]=="function"){let t=[];if(r.length>0)for(let e of r)t.push(S(e));return t}else{let t=Object.keys(r),e={};if(t.length>0)for(let s of t)e[s]=S(r[s]);return e}return r}function x(r,t){let e=m({},r),s=Object.entries(t);for(let[i,o]of s)e[i]=o===Object(o)&&!Array.isArray(o)?x(e[i],o):o;return e}var $=class{constructor(t,e,s,i){this.stack=[];this.pointer=-1;this._status="loading";this.persist=()=>{this.id&&T(this.id,this._state)};this.applyPatch=t=>{let e=this._state,s=x(this._state,t);return this._state=this.cleanup(s,e,t),this.store.setState(this._state,!0),this};this.cleanup=(t,e,s)=>t;this.patchState=t=>(this.applyPatch(t),this);this.replaceState=t=>(this._state=this.cleanup(t,this._state,t),this.store.setState(this._state,!0),this);this.setState=t=>(this.pointer++,this.stack=this.stack.slice(0,this.pointer),this.stack.push(t),this.applyPatch(t.after),this.persist(),this);this.reset=()=>(this._state=this.initialState,this.store.setState(this.initialState,!0),this.resetHistory(),this.persist(),this);this.resetHistory=()=>(this.stack=[],this.pointer=-1,this);this.undo=()=>{if(!this.canUndo)return this;let t=this.stack[this.pointer];return this.pointer--,this.applyPatch(t.before),this.persist(),this};this.redo=()=>{if(!this.canRedo)return this;this.pointer++;let t=this.stack[this.pointer];return this.applyPatch(t.after),this.persist(),this};this.setSnapshot=()=>(this._snapshot=m({},this._state),this);this.forceUpdate=()=>{this.store.setState(this._state,!0)};this.id=e,this._state=S(t),this._snapshot=S(t),this.initialState=S(t),this.store=M(()=>this._state),this.useStore=O(this.store),this.id&&w(this.id).then(o=>j(this,null,function*(){if(o){let p=o;if(s){let f=yield w(e+"_version");f&&f<s&&(p=i?i(o,t,f):t)}yield T(e+"_version",s||-1),this._state=S(p),this._snapshot=S(p),this._status="ready",this.store.setState(this._state,!0)}else yield T(e+"_version",s||-1),this._status="ready"}))}get canUndo(){return this.pointer>-1}get canRedo(){return this.pointer<this.stack.length-1}get state(){return this._state}get status(){return this._status}get snapshot(){return this._snapshot}};export{$ as StateManager};

dist/esm/index.js

@@ -1,1 +0,1 @@
-var V=Object.create;var T=Object.defineProperty;var z=Object.getOwnPropertyDescriptor;var G=Object.getOwnPropertyNames,P=Object.getOwnPropertySymbols,H=Object.getPrototypeOf,k=Object.prototype.hasOwnProperty,L=Object.prototype.propertyIsEnumerable;var R=(r,t,e)=>t in r?T(r,t,{enumerable:!0,configurable:!0,writable:!0,value:e}):r[t]=e,y=(r,t)=>{for(var e in t||(t={}))k.call(t,e)&&R(r,e,t[e]);if(P)for(var e of P(t))L.call(t,e)&&R(r,e,t[e]);return r};var j=r=>T(r,"__esModule",{value:!0});var W=(r,t)=>{j(r);for(var e in t)T(r,e,{get:t[e],enumerable:!0})},$=(r,t,e)=>{if(t&&typeof t=="object"||typeof t=="function")for(let n of G(t))!k.call(r,n)&&n!=="default"&&T(r,n,{get:()=>t[n],enumerable:!(e=z(t,n))||e.enumerable});return r},J=r=>$(j(T(r!=null?V(H(r)):{},"default",r&&r.__esModule&&"default"in r?{get:()=>r.default,enumerable:!0}:{value:r,enumerable:!0})),r);var A=(r,t,e)=>new Promise((n,i)=>{var o=u=>{try{f(e.next(u))}catch(s){i(s)}},d=u=>{try{f(e.throw(u))}catch(s){i(s)}},f=u=>u.done?n(u.value):Promise.resolve(u.value).then(o,d);f((e=e.apply(r,t)).next())});W(exports,{StateManager:()=>I});function M(r){let t,e=new Set,n=(s,c)=>{let a=typeof s=="function"?s(t):s;if(a!==t){let h=t;t=c?a:Object.assign({},t,a),e.forEach(p=>p(t,h))}},i=()=>t,o=(s,c=i,a=Object.is)=>{let h=c(t);function p(){let b=c(t);if(!a(h,b)){let S=h;s(h=b,S)}}return e.add(p),()=>e.delete(p)},u={setState:n,getState:i,subscribe:(s,c,a)=>c||a?o(s,c,a):(e.add(s),()=>e.delete(s)),destroy:()=>e.clear()};return t=r(n,i,u),u}var l=J(require("react"));function K(r){let t,e=new Set,n=(s,c)=>{let a=typeof s=="function"?s(t):s;if(a!==t){let h=t;t=c?a:Object.assign({},t,a),e.forEach(p=>p(t,h))}},i=()=>t,o=(s,c=i,a=Object.is)=>{let h=c(t);function p(){let b=c(t);if(!a(h,b)){let S=h;s(h=b,S)}}return e.add(p),()=>e.delete(p)},u={setState:n,getState:i,subscribe:(s,c,a)=>c||a?o(s,c,a):(e.add(s),()=>e.delete(s)),destroy:()=>e.clear()};return t=r(n,i,u),u}var Q=typeof window=="undefined"||!window.navigator||/ServerSideRendering|^Deno\//.test(window.navigator.userAgent),O=Q?l.useEffect:l.useLayoutEffect;function C(r){let t=typeof r=="function"?K(r):r,e=(n=t.getState,i=Object.is)=>{let[,o]=(0,l.useReducer)(S=>S+1,0),d=t.getState(),f=(0,l.useRef)(d),u=(0,l.useRef)(n),s=(0,l.useRef)(i),c=(0,l.useRef)(!1),a=(0,l.useRef)();a.current===void 0&&(a.current=n(d));let h,p=!1;(f.current!==d||u.current!==n||s.current!==i||c.current)&&(h=n(d),p=!i(a.current,h)),O(()=>{p&&(a.current=h),f.current=d,u.current=n,s.current=i,c.current=!1});let b=(0,l.useRef)(d);return O(()=>{let S=()=>{try{let v=t.getState(),_=u.current(v);s.current(a.current,_)||(f.current=v,a.current=_,o())}catch(v){c.current=!0,o()}},B=t.subscribe(S);return t.getState()!==b.current&&S(),B},[]),p?h:a.current};return Object.assign(e,t),e[Symbol.iterator]=function(){console.warn("[useStore, api] = create() is deprecated and will be removed in v4");let n=[e,t];return{next(){let i=n.length<=0;return{value:n.shift(),done:i}}}},e}function X(){if(!(!navigator.userAgentData&&/Safari\//.test(navigator.userAgent)&&!/Chrom(e|ium)\//.test(navigator.userAgent))||!indexedDB.databases)return Promise.resolve();let t;return new Promise(e=>{let n=()=>indexedDB.databases().finally(e);t=setInterval(n,100),n()}).finally(()=>clearInterval(t))}var E=X;function m(r){return new Promise((t,e)=>{r.oncomplete=r.onsuccess=()=>t(r.result),r.onabort=r.onerror=()=>e(r.error)})}function Y(r,t){let e=E().then(()=>{let n=indexedDB.open(r);return n.onupgradeneeded=()=>n.result.createObjectStore(t),m(n)});return(n,i)=>e.then(o=>i(o.transaction(t,n).objectStore(t)))}var x;function U(){return x||(x=Y("keyval-store","keyval")),x}function w(r,t=U()){return t("readonly",e=>m(e.get(r)))}function g(r,t,e=U()){return e("readwrite",n=>(n.put(t,r),m(n.transaction)))}function D(r,t){let e=y({},r),n=Object.entries(t);for(let[i,o]of n)e[i]=o===Object(o)&&!Array.isArray(o)?D(e[i],o):o;return e}var I=class{constructor(t,e,n,i){this.stack=[];this.pointer=-1;this._status="loading";this.persist=()=>{this.id&&g(this.id,this._state)};this.applyPatch=t=>{let e=this._state,n=D(this._state,t);return this._state=this.cleanup(n,e,t),this.store.setState(this._state,!0),this};this.cleanup=(t,e,n)=>t;this.patchState=t=>(this.applyPatch(t),this);this.replaceState=t=>(this._state=this.cleanup(t,this._state,t),this.store.setState(this._state,!0),this);this.setState=t=>(this.pointer++,this.stack=this.stack.slice(0,this.pointer),this.stack.push(t),this.applyPatch(t.after),this.persist(),this);this.reset=()=>(this._state=this.initialState,this.store.setState(this.initialState,!0),this.resetHistory(),this.persist(),this);this.resetHistory=()=>(this.stack=[],this.pointer=-1,this);this.undo=()=>{if(!this.canUndo)return this;let t=this.stack[this.pointer];return this.pointer--,this.applyPatch(t.before),this.persist(),this};this.redo=()=>{if(!this.canRedo)return this;this.pointer++;let t=this.stack[this.pointer];return this.applyPatch(t.after),this.persist(),this};this.setSnapshot=()=>(this.snapshot=y({},this._state),this);this.forceUpdate=()=>{this.store.setState(this._state,!0)};this.id=e,this._state=t,this.snapshot=t,this.initialState=t,this.store=M(()=>t),this.useStore=C(this.store),this.id&&w(this.id).then(o=>A(this,null,function*(){if(o){let d=o;if(n){let f=yield w(e+"_version");f&&f<n&&(d=i?i(o,t,f):t)}yield g(e+"_version",n||-1),this._state=d,this.snapshot=d,this.initialState=d,this._status="ready",this.store.setState(this._state,!0)}else yield g(e+"_version",n||-1),this._status="ready"}))}get canUndo(){return this.pointer>-1}get canRedo(){return this.pointer<this.stack.length-1}get state(){return this._state}get status(){return this._status}};
+var z=Object.create;var m=Object.defineProperty;var G=Object.getOwnPropertyDescriptor;var H=Object.getOwnPropertyNames,R=Object.getOwnPropertySymbols,L=Object.getPrototypeOf,j=Object.prototype.hasOwnProperty,W=Object.prototype.propertyIsEnumerable;var M=(r,t,e)=>t in r?m(r,t,{enumerable:!0,configurable:!0,writable:!0,value:e}):r[t]=e,T=(r,t)=>{for(var e in t||(t={}))j.call(t,e)&&M(r,e,t[e]);if(R)for(var e of R(t))W.call(t,e)&&M(r,e,t[e]);return r};var A=r=>m(r,"__esModule",{value:!0});var K=(r,t)=>{A(r);for(var e in t)m(r,e,{get:t[e],enumerable:!0})},$=(r,t,e)=>{if(t&&typeof t=="object"||typeof t=="function")for(let s of H(t))!j.call(r,s)&&s!=="default"&&m(r,s,{get:()=>t[s],enumerable:!(e=G(t,s))||e.enumerable});return r},J=r=>$(A(m(r!=null?z(L(r)):{},"default",r&&r.__esModule&&"default"in r?{get:()=>r.default,enumerable:!0}:{value:r,enumerable:!0})),r);var O=(r,t,e)=>new Promise((s,i)=>{var o=u=>{try{f(e.next(u))}catch(n){i(n)}},p=u=>{try{f(e.throw(u))}catch(n){i(n)}},f=u=>u.done?s(u.value):Promise.resolve(u.value).then(o,p);f((e=e.apply(r,t)).next())});K(exports,{StateManager:()=>B});function C(r){let t,e=new Set,s=(n,c)=>{let a=typeof n=="function"?n(t):n;if(a!==t){let h=t;t=c?a:Object.assign({},t,a),e.forEach(d=>d(t,h))}},i=()=>t,o=(n,c=i,a=Object.is)=>{let h=c(t);function d(){let y=c(t);if(!a(h,y)){let S=h;n(h=y,S)}}return e.add(d),()=>e.delete(d)},u={setState:s,getState:i,subscribe:(n,c,a)=>c||a?o(n,c,a):(e.add(n),()=>e.delete(n)),destroy:()=>e.clear()};return t=r(s,i,u),u}var l=J(require("react"));function Q(r){let t,e=new Set,s=(n,c)=>{let a=typeof n=="function"?n(t):n;if(a!==t){let h=t;t=c?a:Object.assign({},t,a),e.forEach(d=>d(t,h))}},i=()=>t,o=(n,c=i,a=Object.is)=>{let h=c(t);function d(){let y=c(t);if(!a(h,y)){let S=h;n(h=y,S)}}return e.add(d),()=>e.delete(d)},u={setState:s,getState:i,subscribe:(n,c,a)=>c||a?o(n,c,a):(e.add(n),()=>e.delete(n)),destroy:()=>e.clear()};return t=r(s,i,u),u}var X=typeof window=="undefined"||!window.navigator||/ServerSideRendering|^Deno\//.test(window.navigator.userAgent),D=X?l.useEffect:l.useLayoutEffect;function E(r){let t=typeof r=="function"?Q(r):r,e=(s=t.getState,i=Object.is)=>{let[,o]=(0,l.useReducer)(S=>S+1,0),p=t.getState(),f=(0,l.useRef)(p),u=(0,l.useRef)(s),n=(0,l.useRef)(i),c=(0,l.useRef)(!1),a=(0,l.useRef)();a.current===void 0&&(a.current=s(p));let h,d=!1;(f.current!==p||u.current!==s||n.current!==i||c.current)&&(h=s(p),d=!i(a.current,h)),D(()=>{d&&(a.current=h),f.current=p,u.current=s,n.current=i,c.current=!1});let y=(0,l.useRef)(p);return D(()=>{let S=()=>{try{let v=t.getState(),P=u.current(v);n.current(a.current,P)||(f.current=v,a.current=P,o())}catch(v){c.current=!0,o()}},V=t.subscribe(S);return t.getState()!==y.current&&S(),V},[]),d?h:a.current};return Object.assign(e,t),e[Symbol.iterator]=function(){console.warn("[useStore, api] = create() is deprecated and will be removed in v4");let s=[e,t];return{next(){let i=s.length<=0;return{value:s.shift(),done:i}}}},e}function Y(){if(!(!navigator.userAgentData&&/Safari\//.test(navigator.userAgent)&&!/Chrom(e|ium)\//.test(navigator.userAgent))||!indexedDB.databases)return Promise.resolve();let t;return new Promise(e=>{let s=()=>indexedDB.databases().finally(e);t=setInterval(s,100),s()}).finally(()=>clearInterval(t))}var U=Y;function _(r){return new Promise((t,e)=>{r.oncomplete=r.onsuccess=()=>t(r.result),r.onabort=r.onerror=()=>e(r.error)})}function Z(r,t){let e=U().then(()=>{let s=indexedDB.open(r);return s.onupgradeneeded=()=>s.result.createObjectStore(t),_(s)});return(s,i)=>e.then(o=>i(o.transaction(t,s).objectStore(t)))}var w;function I(){return w||(w=Z("keyval-store","keyval")),w}function x(r,t=I()){return t("readonly",e=>_(e.get(r)))}function g(r,t,e=I()){return e("readwrite",s=>(s.put(t,r),_(s.transaction)))}function b(r){if(r===null)return r;if(r instanceof Date)return new Date(r.getTime());if(typeof r=="object")if(typeof r[Symbol.iterator]=="function"){let t=[];if(r.length>0)for(let e of r)t.push(b(e));return t}else{let t=Object.keys(r),e={};if(t.length>0)for(let s of t)e[s]=b(r[s]);return e}return r}function k(r,t){let e=T({},r),s=Object.entries(t);for(let[i,o]of s)e[i]=o===Object(o)&&!Array.isArray(o)?k(e[i],o):o;return e}var B=class{constructor(t,e,s,i){this.stack=[];this.pointer=-1;this._status="loading";this.persist=()=>{this.id&&g(this.id,this._state)};this.applyPatch=t=>{let e=this._state,s=k(this._state,t);return this._state=this.cleanup(s,e,t),this.store.setState(this._state,!0),this};this.cleanup=(t,e,s)=>t;this.patchState=t=>(this.applyPatch(t),this);this.replaceState=t=>(this._state=this.cleanup(t,this._state,t),this.store.setState(this._state,!0),this);this.setState=t=>(this.pointer++,this.stack=this.stack.slice(0,this.pointer),this.stack.push(t),this.applyPatch(t.after),this.persist(),this);this.reset=()=>(this._state=this.initialState,this.store.setState(this.initialState,!0),this.resetHistory(),this.persist(),this);this.resetHistory=()=>(this.stack=[],this.pointer=-1,this);this.undo=()=>{if(!this.canUndo)return this;let t=this.stack[this.pointer];return this.pointer--,this.applyPatch(t.before),this.persist(),this};this.redo=()=>{if(!this.canRedo)return this;this.pointer++;let t=this.stack[this.pointer];return this.applyPatch(t.after),this.persist(),this};this.setSnapshot=()=>(this._snapshot=T({},this._state),this);this.forceUpdate=()=>{this.store.setState(this._state,!0)};this.id=e,this._state=b(t),this._snapshot=b(t),this.initialState=b(t),this.store=C(()=>this._state),this.useStore=E(this.store),this.id&&x(this.id).then(o=>O(this,null,function*(){if(o){let p=o;if(s){let f=yield x(e+"_version");f&&f<s&&(p=i?i(o,t,f):t)}yield g(e+"_version",s||-1),this._state=b(p),this._snapshot=b(p),this._status="ready",this.store.setState(this._state,!0)}else yield g(e+"_version",s||-1),this._status="ready"}))}get canUndo(){return this.pointer>-1}get canRedo(){return this.pointer<this.stack.length-1}get state(){return this._state}get status(){return this._status}get snapshot(){return this._snapshot}};

dist/README.md

@@ -259,2 +259,10 @@ ![logo](./rko-logo.svg)
 
+#### `canUndo`
+
+Whether the state can undo, given its undo/redo stack. Readonly.
+
+#### `canRedo`
+
+Whether the state can redo, given its undo/redo stack. Readonly.
+
 ## Advanced Usage
@@ -261,0 +269,0 @@

dist/types/index.d.ts

 import { UseStore } from 'zustand';
-export declare type Patch<T> = Partial<{
-    [P in keyof T]: Patch<T[P]>;
-}>;
-export interface Command<T extends object> {
-    before: Patch<T>;
-    after: Patch<T>;
-}
+import type { Patch, Command } from './types';
 export declare class StateManager<T extends object> {
@@ -41,3 +35,3 @@ /**
      */
-    protected snapshot: T;
+    protected _snapshot: T;
     /**
@@ -128,2 +122,6 @@ * A React hook for accessing the zustand store.
     get status(): string;
+    /**
+     * The most-recent snapshot.
+     */
+    protected get snapshot(): T;
 }

package.json

 {
   "private": false,
-  "version": "0.5.12",
+  "version": "0.5.13",
   "name": "rko",
@@ -52,3 +52,3 @@ "author": {
   },
-  "gitHead": "1e3cf27b077caaeb79b09e4c370fec8172692033"
+  "gitHead": "33d236519f1de4acb9e15989b72fe43cd1b7c6f4"
 }

README.md

@@ -259,2 +259,10 @@ ![logo](./rko-logo.svg)
 
+#### `canUndo`
+
+Whether the state can undo, given its undo/redo stack. Readonly.
+
+#### `canRedo`
+
+Whether the state can redo, given its undo/redo stack. Readonly.
+
 ## Advanced Usage
@@ -261,0 +269,0 @@

src/test/index.test.ts

 import { StateManager } from '../index'
+import { del } from 'idb-keyval'
 
@@ -12,2 +13,3 @@ export interface Todo {
   todos: Record<string, Todo>
+  items: string[]
 }
@@ -116,2 +118,14 @@
   }
+
+  addItem = () => {
+    const before = [...this.state.items]
+
+    // Bad! Mutation!
+    this.state.items.push('a')
+
+    return this.setState({
+      before: { items: before },
+      after: { items: this.state.items },
+    })
+  }
 }
@@ -134,2 +148,3 @@
   },
+  items: [],
 }
@@ -143,3 +158,4 @@
   it('Patches the state', () => {
-    const todoState = new TodoState(initialState)
+    del('t0')
+    const todoState = new TodoState(initialState, 't0')
     todoState.patchTodoText('todo0', 'hello world')
@@ -151,4 +167,5 @@ expect(todoState.state.todos.todo0.text).toBe('hello world')
 
-  it('Replaces the state', () => {
-    const todoState = new TodoState(initialState)
+  it('Replaces the state', (done) => {
+    del('t0')
+    const todoState = new TodoState(initialState, 't0')
     todoState.loadTodos({
@@ -169,2 +186,3 @@ todos: {
       },
+      items: [],
     })
@@ -176,7 +194,13 @@ expect(todoState.state.todos.todo0).toBe(undefined)
 
-    // TODO: Confirm that the new state IS NOT persisted
+    // Does NOT persist state
+    const todoState2 = new TodoState(initialState, 't0')
+    setTimeout(() => {
+      expect(todoState2.state.todos.todo0.isComplete).toBe(false)
+      done()
+    }, 100)
   })
 
-  it('Does an command', () => {
-    const todoState = new TodoState(initialState)
+  it('Does an command', (done) => {
+    del('t0')
+    const todoState = new TodoState(initialState, 't0')
     expect(todoState.state.todos.todo0.isComplete).toBe(false)
@@ -186,7 +210,13 @@ todoState.toggleTodoComplete('todo0')
 
-    // TODO: Confirm that the new state IS persisted
+    // Persists state
+    const todoState2 = new TodoState(initialState, 't0')
+    setTimeout(() => {
+      expect(todoState2.state.todos.todo0.isComplete).toBe(true)
+      done()
+    }, 100)
   })
 
-  it('Undoes an command', () => {
-    const todoState = new TodoState(initialState)
+  it('Undoes an command', (done) => {
+    del('t0')
+    const todoState = new TodoState(initialState, 't0')
     todoState.toggleTodoComplete('todo0')
@@ -196,6 +226,13 @@ expect(todoState.state.todos.todo0.isComplete).toBe(true)
     expect(todoState.state.todos.todo0.isComplete).toBe(false)
+
+    const todoState2 = new TodoState(initialState, 't0')
+    setTimeout(() => {
+      expect(todoState2.state.todos.todo0.isComplete).toBe(false)
+      done()
+    }, 100)
   })
 
-  it('Redoes an command', () => {
-    const todoState = new TodoState(initialState)
+  it('Redoes an command', (done) => {
+    del('t0')
+    const todoState = new TodoState(initialState, 't0')
     todoState.toggleTodoComplete('todo0')
@@ -206,6 +243,13 @@ expect(todoState.state.todos.todo0.isComplete).toBe(true)
     expect(todoState.state.todos.todo0.isComplete).toBe(true)
+
+    const todoState2 = new TodoState(initialState, 't0')
+    setTimeout(() => {
+      expect(todoState2.state.todos.todo0.isComplete).toBe(true)
+      done()
+    }, 100)
   })
 
-  it('Resets the history', () => {
-    const todoState = new TodoState(initialState)
+  it('Resets the history', (done) => {
+    del('t0')
+    const todoState = new TodoState(initialState, 't0')
     todoState.toggleTodoComplete('todo0')
@@ -216,14 +260,38 @@ expect(todoState.state.todos.todo0.isComplete).toBe(true)
     expect(todoState.state.todos.todo0.isComplete).toBe(true)
+
+    const todoState2 = new TodoState(initialState, 't0')
+    setTimeout(() => {
+      expect(todoState2.state.todos.todo0.isComplete).toBe(true)
+      done()
+    }, 100)
   })
 
-  it('Resets the state', () => {
-    const todoState = new TodoState(initialState)
+  it('Resets the state', (done) => {
+    del('t0')
+    const todoState = new TodoState(initialState, 't0')
     todoState.toggleTodoComplete('todo0')
     expect(todoState.state.todos.todo0.isComplete).toBe(true)
-    todoState.reset()
-    expect(todoState.state.todos.todo0.isComplete).toBe(false)
-    todoState.undo()
-    expect(todoState.state.todos.todo0.isComplete).toBe(false)
 
-    // TODO: Confirm that the new state IS persisted
+    const todoState1 = new TodoState(initialState, 't0')
+    todoState1.toggleTodoComplete('todo0')
+    expect(todoState1.state.todos.todo0.isComplete).toBe(true)
+    todoState1.reset()
+
+    // The state should be reset
+    expect(todoState1.state.todos.todo0.isComplete).toBe(false)
+
+    // Undo and redo should be false
+    expect(todoState1.canUndo).toBe(false)
+    expect(todoState1.canRedo).toBe(false)
+
+    // The reset should not be undoable
+    todoState1.undo()
+    expect(todoState1.state.todos.todo0.isComplete).toBe(false)
+
+    // The reset state should be persisted
+    const todoState2 = new TodoState(initialState, 't0')
+    setTimeout(() => {
+      expect(todoState2.state.todos.todo0.isComplete).toBe(false)
+      done()
+    }, 100)
   })
@@ -282,2 +350,3 @@
           },
+          items: prev.items,
         }
@@ -293,2 +362,33 @@ }
   })
+
+  it('Correctly sets canUndo', () => {
+    const state = new TodoState(initialState)
+    expect(state.canUndo).toBe(false)
+    state.toggleTodoComplete('todo0')
+    expect(state.canUndo).toBe(true)
+    state.undo()
+    expect(state.canUndo).toBe(false)
+    state.reset()
+    expect(state.canUndo).toBe(false)
+  })
+
+  it('Correctly sets canRedo', () => {
+    const state = new TodoState(initialState)
+    expect(state.canRedo).toBe(false)
+    state.toggleTodoComplete('todo0')
+    state.undo()
+    expect(state.canRedo).toBe(true)
+    state.redo()
+    expect(state.canRedo).toBe(false)
+    state.reset()
+    expect(state.canRedo).toBe(false)
+  })
+
+  it('Correctly resets, even with mutations.', () => {
+    const state = new TodoState(initialState)
+    state.addItem()
+    expect(state.state.items.length).toBe(1)
+    state.reset()
+    expect(state.state.items.length).toBe(0)
+  })
 })

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Improved metrics

Total package byte prevSize

105411

increased by6.7%

Number of package files

23

increased by35.29%

Lines of code

904

increased by21.02%

Number of lines in readme file

491

increased by1.66%

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