@tanstack/store - npm Package Compare versions

Comparing version 0.0.1-beta.52 to 0.0.1-beta.55

build/cjs/index.js

@@ -15,37 +15,25 @@ /**
 
-var immer = require('immer');
-
-immer.setAutoFreeze(false);
-
-// interface StoreOptions {
-//   onSubscribe?: () => (() => void) | void
-// }
-
 class Store {
   listeners = new Set();
-  // options?: StoreOptions
   batching = false;
   queue = [];
-  constructor(initialState
-  // options?: StoreOptions
-  ) {
+  constructor(initialState, options) {
     this.state = initialState;
-    // this.options = options
+    this.options = options;
   }
-
   subscribe = listener => {
     this.listeners.add(listener);
-    // const unsub = this.options?.onSubscribe?.()
+    const unsub = this.options?.onSubscribe?.(listener, this);
     return () => {
       this.listeners.delete(listener);
-      // unsub?.()
+      unsub?.();
     };
   };
-
   setState = updater => {
     const previous = this.state;
-    this.state = immer.produce(d => {
-      updater(d);
-    })(previous);
-    this.queue.push(() => this.listeners.forEach(listener => listener(this.state, previous)));
+    this.state = this.options?.updateFn ? this.options.updateFn(previous)(updater) : updater(previous);
+    this.queue.push(() => {
+      this.listeners.forEach(listener => listener(this.state, previous));
+      this.options?.onUpdate?.(this.state, previous);
+    });
     this.#flush();
@@ -52,0 +40,0 @@ };

build/esm/index.js

@@ -11,37 +11,25 @@ /**
  */
-import { setAutoFreeze, produce } from 'immer';
-
-setAutoFreeze(false);
-
-// interface StoreOptions {
-//   onSubscribe?: () => (() => void) | void
-// }
-
 class Store {
   listeners = new Set();
-  // options?: StoreOptions
   batching = false;
   queue = [];
-  constructor(initialState
-  // options?: StoreOptions
-  ) {
+  constructor(initialState, options) {
     this.state = initialState;
-    // this.options = options
+    this.options = options;
   }
-
   subscribe = listener => {
     this.listeners.add(listener);
-    // const unsub = this.options?.onSubscribe?.()
+    const unsub = this.options?.onSubscribe?.(listener, this);
     return () => {
       this.listeners.delete(listener);
-      // unsub?.()
+      unsub?.();
     };
   };
-
   setState = updater => {
     const previous = this.state;
-    this.state = produce(d => {
-      updater(d);
-    })(previous);
-    this.queue.push(() => this.listeners.forEach(listener => listener(this.state, previous)));
+    this.state = this.options?.updateFn ? this.options.updateFn(previous)(updater) : updater(previous);
+    this.queue.push(() => {
+      this.listeners.forEach(listener => listener(this.state, previous));
+      this.options?.onUpdate?.(this.state, previous);
+    });
     this.#flush();
@@ -48,0 +36,0 @@ };

build/stats-react.json

@@ -10,8 +10,4 @@ {
           {
-            "name": "node_modules/.pnpm/immer@9.0.16/node_modules/immer/dist/immer.esm.mjs",
-            "uid": "e407-5"
-          },
-          {
             "name": "packages/store/src/index.ts",
-            "uid": "e407-7"
+            "uid": "33c2-3"
           }
@@ -24,38 +20,16 @@ ]
   "nodeParts": {
-    "e407-5": {
-      "renderedLength": 8203,
-      "gzipLength": 3238,
+    "33c2-3": {
+      "renderedLength": 1030,
+      "gzipLength": 375,
       "brotliLength": 0,
-      "mainUid": "e407-4"
-    },
-    "e407-7": {
-      "renderedLength": 1067,
-      "gzipLength": 410,
-      "brotliLength": 0,
-      "mainUid": "e407-6"
+      "mainUid": "33c2-2"
     }
   },
   "nodeMetas": {
-    "e407-4": {
-      "id": "/node_modules/.pnpm/immer@9.0.16/node_modules/immer/dist/immer.esm.mjs",
+    "33c2-2": {
+      "id": "/packages/store/src/index.ts",
       "moduleParts": {
-        "index.production.js": "e407-5"
+        "index.production.js": "33c2-3"
       },
       "imported": [],
-      "importedBy": [
-        {
-          "uid": "e407-6"
-        }
-      ]
-    },
-    "e407-6": {
-      "id": "/packages/store/src/index.ts",
-      "moduleParts": {
-        "index.production.js": "e407-7"
-      },
-      "imported": [
-        {
-          "uid": "e407-4"
-        }
-      ],
       "importedBy": [],
@@ -62,0 +36,0 @@ "isEntry": true

build/types/index.d.ts

@@ -11,14 +11,22 @@ /**
  */
-declare class Store<TState> {
+type AnyUpdater = (...args: any[]) => any;
+type Listener<TState> = (next: TState, prev: TState) => void;
+interface StoreOptions<TState, TUpdater extends AnyUpdater = (cb: TState) => TState> {
+    updateFn?: (previous: TState) => (updater: TUpdater) => TState;
+    onSubscribe?: (listener: Listener<TState>, store: Store<TState, TUpdater>) => () => void;
+    onUpdate?: (next: TState, prev: TState) => void;
+}
+declare class Store<TState, TUpdater extends AnyUpdater = (cb: TState) => TState> {
     #private;
-    listeners: Set<(next: TState, prev: TState) => void>;
+    listeners: Set<Listener<TState>>;
     state: TState;
+    options?: StoreOptions<TState, TUpdater>;
     batching: boolean;
     queue: ((...args: any[]) => void)[];
-    constructor(initialState: TState);
-    subscribe: (listener: (next: TState, prev: TState) => void) => () => void;
-    setState: (updater: (cb: TState) => void) => void;
+    constructor(initialState: TState, options?: StoreOptions<TState, TUpdater>);
+    subscribe: (listener: Listener<TState>) => () => void;
+    setState: (updater: TUpdater) => void;
     batch: (cb: () => void) => void;
 }
 
-export { Store };
+export { AnyUpdater, Listener, Store };

build/umd/index.development.js

@@ -17,37 +17,25 @@ /**
 
-  function n(n){for(var r=arguments.length,t=Array(r>1?r-1:0),e=1;e<r;e++)t[e-1]=arguments[e];{var i=Y[n],o=i?"function"==typeof i?i.apply(null,t):i:"unknown error nr: "+n;throw Error("[Immer] "+o)}}function r(n){return !!n&&!!n[Q]}function t(n){var r;return !!n&&(function(n){if(!n||"object"!=typeof n)return !1;var r=Object.getPrototypeOf(n);if(null===r)return !0;var t=Object.hasOwnProperty.call(r,"constructor")&&r.constructor;return t===Object||"function"==typeof t&&Function.toString.call(t)===Z}(n)||Array.isArray(n)||!!n[L]||!!(null===(r=n.constructor)||void 0===r?void 0:r[L])||s(n)||v(n))}function i(n,r,t){void 0===t&&(t=!1),0===o(n)?(t?Object.keys:nn)(n).forEach((function(e){t&&"symbol"==typeof e||r(e,n[e],n);})):n.forEach((function(t,e){return r(e,t,n)}));}function o(n){var r=n[Q];return r?r.i>3?r.i-4:r.i:Array.isArray(n)?1:s(n)?2:v(n)?3:0}function u(n,r){return 2===o(n)?n.has(r):Object.prototype.hasOwnProperty.call(n,r)}function a(n,r){return 2===o(n)?n.get(r):n[r]}function f(n,r,t){var e=o(n);2===e?n.set(r,t):3===e?(n.delete(r),n.add(t)):n[r]=t;}function c(n,r){return n===r?0!==n||1/n==1/r:n!=n&&r!=r}function s(n){return X&&n instanceof Map}function v(n){return q&&n instanceof Set}function p(n){return n.o||n.t}function l(n){if(Array.isArray(n))return Array.prototype.slice.call(n);var r=rn(n);delete r[Q];for(var t=nn(r),e=0;e<t.length;e++){var i=t[e],o=r[i];!1===o.writable&&(o.writable=!0,o.configurable=!0),(o.get||o.set)&&(r[i]={configurable:!0,writable:!0,enumerable:o.enumerable,value:n[i]});}return Object.create(Object.getPrototypeOf(n),r)}function d(n,e){return void 0===e&&(e=!1),y(n)||r(n)||!t(n)?n:(o(n)>1&&(n.set=n.add=n.clear=n.delete=h),Object.freeze(n),e&&i(n,(function(n,r){return d(r,!0)}),!0),n)}function h(){n(2);}function y(n){return null==n||"object"!=typeof n||Object.isFrozen(n)}function b(r){var t=tn[r];return t||n(18,r),t}function _(){return U||n(0),U}function j(n,r){r&&(b("Patches"),n.u=[],n.s=[],n.v=r);}function O(n){g(n),n.p.forEach(S),n.p=null;}function g(n){n===U&&(U=n.l);}function w(n){return U={p:[],l:U,h:n,m:!0,_:0}}function S(n){var r=n[Q];0===r.i||1===r.i?r.j():r.O=!0;}function P(r,e){e._=e.p.length;var i=e.p[0],o=void 0!==r&&r!==i;return e.h.g||b("ES5").S(e,r,o),o?(i[Q].P&&(O(e),n(4)),t(r)&&(r=M(e,r),e.l||x(e,r)),e.u&&b("Patches").M(i[Q].t,r,e.u,e.s)):r=M(e,i,[]),O(e),e.u&&e.v(e.u,e.s),r!==H?r:void 0}function M(n,r,t){if(y(r))return r;var e=r[Q];if(!e)return i(r,(function(i,o){return A(n,e,r,i,o,t)}),!0),r;if(e.A!==n)return r;if(!e.P)return x(n,e.t,!0),e.t;if(!e.I){e.I=!0,e.A._--;var o=4===e.i||5===e.i?e.o=l(e.k):e.o;i(3===e.i?new Set(o):o,(function(r,i){return A(n,e,o,r,i,t)})),x(n,o,!1),t&&n.u&&b("Patches").R(e,t,n.u,n.s);}return e.o}function A(e,i,o,a,c,s){if(c===o&&n(5),r(c)){var v=M(e,c,s&&i&&3!==i.i&&!u(i.D,a)?s.concat(a):void 0);if(f(o,a,v),!r(v))return;e.m=!1;}if(t(c)&&!y(c)){if(!e.h.F&&e._<1)return;M(e,c),i&&i.A.l||x(e,c);}}function x(n,r,t){void 0===t&&(t=!1),n.h.F&&n.m&&d(r,t);}function z(n,r){var t=n[Q];return (t?p(t):n)[r]}function I(n,r){if(r in n)for(var t=Object.getPrototypeOf(n);t;){var e=Object.getOwnPropertyDescriptor(t,r);if(e)return e;t=Object.getPrototypeOf(t);}}function k(n){n.P||(n.P=!0,n.l&&k(n.l));}function E(n){n.o||(n.o=l(n.t));}function R(n,r,t){var e=s(r)?b("MapSet").N(r,t):v(r)?b("MapSet").T(r,t):n.g?function(n,r){var t=Array.isArray(n),e={i:t?1:0,A:r?r.A:_(),P:!1,I:!1,D:{},l:r,t:n,k:null,o:null,j:null,C:!1},i=e,o=en;t&&(i=[e],o=on);var u=Proxy.revocable(i,o),a=u.revoke,f=u.proxy;return e.k=f,e.j=a,f}(r,t):b("ES5").J(r,t);return (t?t.A:_()).p.push(e),e}function D(e){return r(e)||n(22,e),function n(r){if(!t(r))return r;var e,u=r[Q],c=o(r);if(u){if(!u.P&&(u.i<4||!b("ES5").K(u)))return u.t;u.I=!0,e=F(r,c),u.I=!1;}else e=F(r,c);return i(e,(function(r,t){u&&a(u.t,r)===t||f(e,r,n(t));})),3===c?new Set(e):e}(e)}function F(n,r){switch(r){case 2:return new Map(n);case 3:return Array.from(n)}return l(n)}var G,U,W="undefined"!=typeof Symbol&&"symbol"==typeof Symbol("x"),X="undefined"!=typeof Map,q="undefined"!=typeof Set,B="undefined"!=typeof Proxy&&void 0!==Proxy.revocable&&"undefined"!=typeof Reflect,H=W?Symbol.for("immer-nothing"):((G={})["immer-nothing"]=!0,G),L=W?Symbol.for("immer-draftable"):"__$immer_draftable",Q=W?Symbol.for("immer-state"):"__$immer_state",Y={0:"Illegal state",1:"Immer drafts cannot have computed properties",2:"This object has been frozen and should not be mutated",3:function(n){return "Cannot use a proxy that has been revoked. Did you pass an object from inside an immer function to an async process? "+n},4:"An immer producer returned a new value *and* modified its draft. Either return a new value *or* modify the draft.",5:"Immer forbids circular references",6:"The first or second argument to `produce` must be a function",7:"The third argument to `produce` must be a function or undefined",8:"First argument to `createDraft` must be a plain object, an array, or an immerable object",9:"First argument to `finishDraft` must be a draft returned by `createDraft`",10:"The given draft is already finalized",11:"Object.defineProperty() cannot be used on an Immer draft",12:"Object.setPrototypeOf() cannot be used on an Immer draft",13:"Immer only supports deleting array indices",14:"Immer only supports setting array indices and the 'length' property",15:function(n){return "Cannot apply patch, path doesn't resolve: "+n},16:'Sets cannot have "replace" patches.',17:function(n){return "Unsupported patch operation: "+n},18:function(n){return "The plugin for '"+n+"' has not been loaded into Immer. To enable the plugin, import and call `enable"+n+"()` when initializing your application."},20:"Cannot use proxies if Proxy, Proxy.revocable or Reflect are not available",21:function(n){return "produce can only be called on things that are draftable: plain objects, arrays, Map, Set or classes that are marked with '[immerable]: true'. Got '"+n+"'"},22:function(n){return "'current' expects a draft, got: "+n},23:function(n){return "'original' expects a draft, got: "+n},24:"Patching reserved attributes like __proto__, prototype and constructor is not allowed"},Z=""+Object.prototype.constructor,nn="undefined"!=typeof Reflect&&Reflect.ownKeys?Reflect.ownKeys:void 0!==Object.getOwnPropertySymbols?function(n){return Object.getOwnPropertyNames(n).concat(Object.getOwnPropertySymbols(n))}:Object.getOwnPropertyNames,rn=Object.getOwnPropertyDescriptors||function(n){var r={};return nn(n).forEach((function(t){r[t]=Object.getOwnPropertyDescriptor(n,t);})),r},tn={},en={get:function(n,r){if(r===Q)return n;var e=p(n);if(!u(e,r))return function(n,r,t){var e,i=I(r,t);return i?"value"in i?i.value:null===(e=i.get)||void 0===e?void 0:e.call(n.k):void 0}(n,e,r);var i=e[r];return n.I||!t(i)?i:i===z(n.t,r)?(E(n),n.o[r]=R(n.A.h,i,n)):i},has:function(n,r){return r in p(n)},ownKeys:function(n){return Reflect.ownKeys(p(n))},set:function(n,r,t){var e=I(p(n),r);if(null==e?void 0:e.set)return e.set.call(n.k,t),!0;if(!n.P){var i=z(p(n),r),o=null==i?void 0:i[Q];if(o&&o.t===t)return n.o[r]=t,n.D[r]=!1,!0;if(c(t,i)&&(void 0!==t||u(n.t,r)))return !0;E(n),k(n);}return n.o[r]===t&&"number"!=typeof t&&(void 0!==t||r in n.o)||(n.o[r]=t,n.D[r]=!0,!0)},deleteProperty:function(n,r){return void 0!==z(n.t,r)||r in n.t?(n.D[r]=!1,E(n),k(n)):delete n.D[r],n.o&&delete n.o[r],!0},getOwnPropertyDescriptor:function(n,r){var t=p(n),e=Reflect.getOwnPropertyDescriptor(t,r);return e?{writable:!0,configurable:1!==n.i||"length"!==r,enumerable:e.enumerable,value:t[r]}:e},defineProperty:function(){n(11);},getPrototypeOf:function(n){return Object.getPrototypeOf(n.t)},setPrototypeOf:function(){n(12);}},on={};i(en,(function(n,r){on[n]=function(){return arguments[0]=arguments[0][0],r.apply(this,arguments)};})),on.deleteProperty=function(r,t){return isNaN(parseInt(t))&&n(13),on.set.call(this,r,t,void 0)},on.set=function(r,t,e){return "length"!==t&&isNaN(parseInt(t))&&n(14),en.set.call(this,r[0],t,e,r[0])};var un=function(){function e(r){var e=this;this.g=B,this.F=!0,this.produce=function(r,i,o){if("function"==typeof r&&"function"!=typeof i){var u=i;i=r;var a=e;return function(n){var r=this;void 0===n&&(n=u);for(var t=arguments.length,e=Array(t>1?t-1:0),o=1;o<t;o++)e[o-1]=arguments[o];return a.produce(n,(function(n){var t;return (t=i).call.apply(t,[r,n].concat(e))}))}}var f;if("function"!=typeof i&&n(6),void 0!==o&&"function"!=typeof o&&n(7),t(r)){var c=w(e),s=R(e,r,void 0),v=!0;try{f=i(s),v=!1;}finally{v?O(c):g(c);}return "undefined"!=typeof Promise&&f instanceof Promise?f.then((function(n){return j(c,o),P(n,c)}),(function(n){throw O(c),n})):(j(c,o),P(f,c))}if(!r||"object"!=typeof r){if(void 0===(f=i(r))&&(f=r),f===H&&(f=void 0),e.F&&d(f,!0),o){var p=[],l=[];b("Patches").M(r,f,p,l),o(p,l);}return f}n(21,r);},this.produceWithPatches=function(n,r){if("function"==typeof n)return function(r){for(var t=arguments.length,i=Array(t>1?t-1:0),o=1;o<t;o++)i[o-1]=arguments[o];return e.produceWithPatches(r,(function(r){return n.apply(void 0,[r].concat(i))}))};var t,i,o=e.produce(n,r,(function(n,r){t=n,i=r;}));return "undefined"!=typeof Promise&&o instanceof Promise?o.then((function(n){return [n,t,i]})):[o,t,i]},"boolean"==typeof(null==r?void 0:r.useProxies)&&this.setUseProxies(r.useProxies),"boolean"==typeof(null==r?void 0:r.autoFreeze)&&this.setAutoFreeze(r.autoFreeze);}var i=e.prototype;return i.createDraft=function(e){t(e)||n(8),r(e)&&(e=D(e));var i=w(this),o=R(this,e,void 0);return o[Q].C=!0,g(i),o},i.finishDraft=function(r,t){var e=r&&r[Q];(e&&e.C||n(9),e.I&&n(10));var i=e.A;return j(i,t),P(void 0,i)},i.setAutoFreeze=function(n){this.F=n;},i.setUseProxies=function(r){r&&!B&&n(20),this.g=r;},i.applyPatches=function(n,t){var e;for(e=t.length-1;e>=0;e--){var i=t[e];if(0===i.path.length&&"replace"===i.op){n=i.value;break}}e>-1&&(t=t.slice(e+1));var o=b("Patches").$;return r(n)?o(n,t):this.produce(n,(function(n){return o(n,t)}))},e}(),an=new un,fn=an.produce;an.produceWithPatches.bind(an);var sn=an.setAutoFreeze.bind(an);an.setUseProxies.bind(an);an.applyPatches.bind(an);an.createDraft.bind(an);an.finishDraft.bind(an);
-
-  sn(false);
-
-  // interface StoreOptions {
-  //   onSubscribe?: () => (() => void) | void
-  // }
-
   class Store {
     listeners = new Set();
-    // options?: StoreOptions
     batching = false;
     queue = [];
-    constructor(initialState
-    // options?: StoreOptions
-    ) {
+    constructor(initialState, options) {
       this.state = initialState;
-      // this.options = options
+      this.options = options;
     }
-
     subscribe = listener => {
       this.listeners.add(listener);
-      // const unsub = this.options?.onSubscribe?.()
+      const unsub = this.options?.onSubscribe?.(listener, this);
       return () => {
         this.listeners.delete(listener);
-        // unsub?.()
+        unsub?.();
       };
     };
-
     setState = updater => {
       const previous = this.state;
-      this.state = fn(d => {
-        updater(d);
-      })(previous);
-      this.queue.push(() => this.listeners.forEach(listener => listener(this.state, previous)));
+      this.state = this.options?.updateFn ? this.options.updateFn(previous)(updater) : updater(previous);
+      this.queue.push(() => {
+        this.listeners.forEach(listener => listener(this.state, previous));
+        this.options?.onUpdate?.(this.state, previous);
+      });
       this.#flush();
@@ -54,0 +42,0 @@ };

build/umd/index.production.js

@@ -11,3 +11,3 @@ /**
  */
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e((t="undefined"!=typeof globalThis?globalThis:t||self).Store={})}(this,(function(t){"use strict";function e(t){for(var e=arguments.length,r=Array(e>1?e-1:0),n=1;n<e;n++)r[n-1]=arguments[n];throw Error("[Immer] minified error nr: "+t+(r.length?" "+r.map((function(t){return"'"+t+"'"})).join(","):"")+". Find the full error at: https://bit.ly/3cXEKWf")}function r(t){return!!t&&!!t[U]}function n(t){var e;return!!t&&(function(t){if(!t||"object"!=typeof t)return!1;var e=Object.getPrototypeOf(t);if(null===e)return!0;var r=Object.hasOwnProperty.call(e,"constructor")&&e.constructor;return r===Object||"function"==typeof r&&Function.toString.call(r)===$}(t)||Array.isArray(t)||!!t[T]||!!(null===(e=t.constructor)||void 0===e?void 0:e[T])||c(t)||a(t))}function o(t,e,r){void 0===r&&(r=!1),0===i(t)?(r?Object.keys:C)(t).forEach((function(n){r&&"symbol"==typeof n||e(n,t[n],t)})):t.forEach((function(r,n){return e(n,r,t)}))}function i(t){var e=t[U];return e?e.i>3?e.i-4:e.i:Array.isArray(t)?1:c(t)?2:a(t)?3:0}function u(t,e){return 2===i(t)?t.has(e):Object.prototype.hasOwnProperty.call(t,e)}function f(t,e,r){var n=i(t);2===n?t.set(e,r):3===n?(t.delete(e),t.add(r)):t[e]=r}function c(t){return K&&t instanceof Map}function a(t){return q&&t instanceof Set}function s(t){return t.o||t.t}function 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t.apply(void 0,[e].concat(o))}))};var n,o,i=r.produce(t,e,(function(t,e){n=t,o=e}));return"undefined"!=typeof Promise&&i instanceof Promise?i.then((function(t){return[t,n,o]})):[i,n,o]},"boolean"==typeof(null==t?void 0:t.useProxies)&&this.setUseProxies(t.useProxies),"boolean"==typeof(null==t?void 0:t.autoFreeze)&&this.setAutoFreeze(t.autoFreeze)}var o=t.prototype;return o.createDraft=function(t){n(t)||e(8),r(t)&&(t=k(t));var o=m(this),i=E(this,t,void 0);return i[U].C=!0,g(o),i},o.finishDraft=function(t,e){var r=(t&&t[U]).A;return b(r,e),j(void 0,r)},o.setAutoFreeze=function(t){this.F=t},o.setUseProxies=function(t){t&&!W&&e(20),this.g=t},o.applyPatches=function(t,e){var n;for(n=e.length-1;n>=0;n--){var o=e[n];if(0===o.path.length&&"replace"===o.op){t=o.value;break}}n>-1&&(e=e.slice(n+1));var i=d("Patches").$;return r(t)?i(t,e):this.produce(t,(function(t){return i(t,e)}))},t}(),L=new H,Q=L.produce;L.produceWithPatches.bind(L);var V=L.setAutoFreeze.bind(L);L.setUseProxies.bind(L),L.applyPatches.bind(L),L.createDraft.bind(L),L.finishDraft.bind(L),V(!1);t.Store=class{listeners=new Set;batching=!1;queue=[];constructor(t){this.state=t}subscribe=t=>(this.listeners.add(t),()=>{this.listeners.delete(t)});setState=t=>{const e=this.state;this.state=Q((e=>{t(e)}))(e),this.queue.push((()=>this.listeners.forEach((t=>t(this.state,e))))),this.#t()};#t=()=>{this.batching||(this.queue.forEach((t=>t())),this.queue=[])};batch=t=>{this.batching=!0,t(),this.batching=!1,this.#t()}},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="undefined"!=typeof globalThis?globalThis:t||self).Store={})}(this,(function(t){"use strict";t.Store=class{listeners=new Set;batching=!1;queue=[];constructor(t,e){this.state=t,this.options=e}subscribe=t=>{this.listeners.add(t);const e=this.options?.onSubscribe?.(t,this);return()=>{this.listeners.delete(t),e?.()}};setState=t=>{const e=this.state;this.state=this.options?.updateFn?this.options.updateFn(e)(t):t(e),this.queue.push((()=>{this.listeners.forEach((t=>t(this.state,e))),this.options?.onUpdate?.(this.state,e)})),this.#t()};#t=()=>{this.batching||(this.queue.forEach((t=>t())),this.queue=[])};batch=t=>{this.batching=!0,t(),this.batching=!1,this.#t()}},Object.defineProperty(t,"__esModule",{value:!0})}));
 //# sourceMappingURL=index.production.js.map

package.json

 {
   "name": "@tanstack/store",
   "author": "Tanner Linsley",
-  "version": "0.0.1-beta.52",
+  "version": "0.0.1-beta.55",
   "license": "MIT",
@@ -31,6 +31,3 @@ "repository": "tanstack/store",
   ],
-  "sideEffects": false,
-  "dependencies": {
-    "immer": "^9.0.15"
-  }
+  "sideEffects": false
 }

src/index.ts

@@ -1,42 +0,51 @@
-import { produce, setAutoFreeze } from 'immer'
+export type AnyUpdater = (...args: any[]) => any
 
-setAutoFreeze(false)
+export type Listener<TState> = (next: TState, prev: TState) => void
 
-// interface StoreOptions {
-//   onSubscribe?: () => (() => void) | void
-// }
+interface StoreOptions<
+  TState,
+  TUpdater extends AnyUpdater = (cb: TState) => TState,
+> {
+  updateFn?: (previous: TState) => (updater: TUpdater) => TState
+  onSubscribe?: (
+    listener: Listener<TState>,
+    store: Store<TState, TUpdater>,
+  ) => () => void
+  onUpdate?: (next: TState, prev: TState) => void
+}
 
-export class Store<TState> {
-  listeners = new Set<(next: TState, prev: TState) => void>()
+export class Store<
+  TState,
+  TUpdater extends AnyUpdater = (cb: TState) => TState,
+> {
+  listeners = new Set<Listener<TState>>()
   state: TState
-  // options?: StoreOptions
+  options?: StoreOptions<TState, TUpdater>
   batching = false
   queue: ((...args: any[]) => void)[] = []
 
-  constructor(
-    initialState: TState,
-    // options?: StoreOptions
-  ) {
+  constructor(initialState: TState, options?: StoreOptions<TState, TUpdater>) {
     this.state = initialState
-    // this.options = options
+    this.options = options
   }
 
-  subscribe = (listener: (next: TState, prev: TState) => void) => {
+  subscribe = (listener: Listener<TState>) => {
     this.listeners.add(listener)
-    // const unsub = this.options?.onSubscribe?.()
+    const unsub = this.options?.onSubscribe?.(listener, this)
     return () => {
       this.listeners.delete(listener)
-      // unsub?.()
+      unsub?.()
     }
   }
 
-  setState = (updater: (cb: TState) => void) => {
+  setState = (updater: TUpdater) => {
     const previous = this.state
-    this.state = produce((d) => {
-      updater(d)
-    })(previous)
+    this.state = this.options?.updateFn
+      ? this.options.updateFn(previous)(updater)
+      : (updater as any)(previous)
 
-    this.queue.push(() =>
-      this.listeners.forEach((listener) => listener(this.state, previous)),
-    )
+    this.queue.push(() => {
+      this.listeners.forEach((listener) => listener(this.state, previous))
+      this.options?.onUpdate?.(this.state, previous)
+    })
     this.#flush()
@@ -43,0 +52,0 @@ }

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Dependency count

0

decreased by-100%

Worsened metrics

Total package byte prevSize

159132

decreased by-35.65%

Lines of code

302

decreased by-24.31%

Dependency changes

• - Removedimmer@^9.0.15

• - Removedimmer@9.0.21(transitive)