jotai - npm Package Compare versions

Comparing version 2.3.1 to 2.4.0

package.json

 {
   "name": "jotai",
   "private": false,
-  "version": "2.3.1",
+  "version": "2.4.0",
   "description": "👻 Primitive and flexible state management for React",
@@ -6,0 +6,0 @@ "main": "./index.js",

system/vanilla.development.js

@@ -148,3 +148,3 @@ System.register([], (function (exports) {
                     resolve(v);
-                    if ((prevAtomState == null ? void 0 : prevAtomState.d) !== nextAtomState.d) {
+                    if (mountedMap.has(atom) && (prevAtomState == null ? void 0 : prevAtomState.d) !== nextAtomState.d) {
                       mountDependencies(atom, nextAtomState, prevAtomState == null ? void 0 : prevAtomState.d);
@@ -165,3 +165,3 @@ }
                     reject(e);
-                    if ((prevAtomState == null ? void 0 : prevAtomState.d) !== nextAtomState.d) {
+                    if (mountedMap.has(atom) && (prevAtomState == null ? void 0 : prevAtomState.d) !== nextAtomState.d) {
                       mountDependencies(atom, nextAtomState, prevAtomState == null ? void 0 : prevAtomState.d);
@@ -296,3 +296,6 @@ }
         };
-        const recomputeDependents = (atom) => {
+        const recomputeDependents = (updatedAtoms) => {
+          if (!updatedAtoms.size) {
+            return;
+          }
           const dependencyMap = /* @__PURE__ */ new Map();
@@ -313,3 +316,3 @@ const dirtyMap = /* @__PURE__ */ new WeakMap();
           };
-          loop1(atom);
+          updatedAtoms.forEach(loop1);
           const loop2 = (a) => {
@@ -339,5 +342,6 @@ const mounted = mountedMap.get(a);
           };
-          loop2(atom);
+          updatedAtoms.forEach(loop2);
+          updatedAtoms.clear();
         };
-        const writeAtomState = (atom, ...args) => {
+        const writeAtomState = (updatedAtoms, atom, ...args) => {
           let isSync = true;
@@ -354,8 +358,9 @@ const getter = (a) => returnAtomValue(readAtomState(a));
               if (!prevAtomState || !isEqualAtomValue(prevAtomState, nextAtomState)) {
-                recomputeDependents(a);
+                updatedAtoms.add(a);
               }
             } else {
-              r = writeAtomState(a, ...args2);
+              r = writeAtomState(updatedAtoms, a, ...args2);
             }
             if (!isSync) {
+              recomputeDependents(updatedAtoms);
               const flushed = flushPending();
@@ -375,3 +380,5 @@ {
         const writeAtom = (atom, ...args) => {
-          const result = writeAtomState(atom, ...args);
+          const updatedAtoms = /* @__PURE__ */ new Set();
+          const result = writeAtomState(updatedAtoms, atom, ...args);
+          recomputeDependents(updatedAtoms);
           const flushed = flushPending();
@@ -479,6 +486,6 @@ {
               if (atomState) {
-                if (atomState.d !== (prevAtomState == null ? void 0 : prevAtomState.d)) {
+                const mounted = mountedMap.get(atom);
+                if (mounted && atomState.d !== (prevAtomState == null ? void 0 : prevAtomState.d)) {
                   mountDependencies(atom, atomState, prevAtomState == null ? void 0 : prevAtomState.d);
                 }
-                const mounted = mountedMap.get(atom);
                 if (mounted && !// TODO This seems pretty hacky. Hope to fix it.
@@ -538,8 +545,10 @@ // Maybe we could `mountDependencies` in `setAtomState`?
             dev_restore_atoms: (values) => {
+              const updatedAtoms = /* @__PURE__ */ new Set();
               for (const [atom, valueOrPromise] of values) {
                 if (hasInitialValue(atom)) {
                   setAtomValueOrPromise(atom, valueOrPromise);
-                  recomputeDependents(atom);
+                  updatedAtoms.add(atom);
                 }
               }
+              recomputeDependents(updatedAtoms);
               const flushed = flushPending();
@@ -546,0 +555,0 @@ storeListenersRev2.forEach(

system/vanilla.production.js

@@ -1,1 +0,1 @@
-System.register([],function(b){"use strict";return{execute:function(){b("atom",N);let L=0;function N(i,l){const w=`atom${++L}`,d={toString:()=>w};return typeof i=="function"?d.read=i:(d.init=i,d.read=m=>m(d),d.write=(m,z,h)=>z(d,typeof h=="function"?h(m(d)):h)),l&&(d.write=l),d}const C=i=>"init"in i,q=i=>!!i.write,E=new WeakMap,R=(i,l)=>{E.set(i,l),i.catch(()=>{}).finally(()=>E.delete(i))},B=(i,l)=>{const w=E.get(i);w&&(E.delete(i),w(l))},F=(i,l)=>{i.status="fulfilled",i.value=l},G=(i,l)=>{i.status="rejected",i.reason=l},T=i=>typeof(i==null?void 0:i.then)=="function",M=(i,l)=>"v"in i&&"v"in l&&Object.is(i.v,l.v),H=(i,l)=>"e"in i&&"e"in l&&Object.is(i.e,l.e),y=i=>"v"in i&&i.v instanceof Promise,U=(i,l)=>"v"in i&&"v"in l&&i.v.orig&&i.v.orig===l.v.orig,S=i=>{if("e"in i)throw i.e;return i.v},V=b("createStore",()=>{const i=new WeakMap,l=new WeakMap,w=new Map,d=t=>i.get(t),m=(t,n)=>{const r=i.get(t);if(i.set(t,n),w.has(t)||w.set(t,r),r&&y(r)){const e="v"in n?n.v instanceof Promise?n.v:Promise.resolve(n.v):Promise.reject(n.e);B(r.v,e)}},z=(t,n,r)=>{const e=new Map;let s=!1;r.forEach((o,c)=>{!o&&c===t&&(o=n),o&&(e.set(c,o),n.d.get(c)!==o&&(s=!0))}),(s||n.d.size!==e.size)&&(n.d=e)},h=(t,n,r)=>{const e=d(t),s={d:(e==null?void 0:e.d)||new Map,v:n};if(r&&z(t,s,r),e&&M(e,s)&&e.d===s.d)return e;if(e&&y(e)&&y(s)&&U(e,s)){if(e.d===s.d)return e;s.v=e.v}return m(t,s),s},I=(t,n,r,e)=>{if(T(n)){let s;const o=new Promise((c,f)=>{let v=!1;n.then(a=>{if(!v){v=!0;const u=d(t),g=h(t,o,r);F(o,a),c(a),(u==null?void 0:u.d)!==g.d&&D(t,g,u==null?void 0:u.d)}},a=>{if(!v){v=!0;const u=d(t),g=h(t,o,r);G(o,a),f(a),(u==null?void 0:u.d)!==g.d&&D(t,g,u==null?void 0:u.d)}}),s=a=>{v||(v=!0,a.then(u=>F(o,u),u=>G(o,u)),c(a))}});return o.orig=n,o.status="pending",R(o,c=>{c&&s(c),e==null||e()}),h(t,o,r)}return h(t,n,r)},_=(t,n,r)=>{const e=d(t),s={d:(e==null?void 0:e.d)||new Map,e:n};return r&&z(t,s,r),e&&H(e,s)&&e.d===s.d?e:(m(t,s),s)},p=(t,n)=>{const r=d(t);if(!n&&r&&(l.has(t)||Array.from(r.d).every(([a,u])=>a===t||p(a)===u)))return r;const e=new Map;let s=!0;const o=a=>{if(a===t){const g=d(a);if(g)return e.set(a,g),S(g);if(C(a))return e.set(a,void 0),a.init;throw new Error("no atom init")}const u=p(a);return e.set(a,u),S(u)};let c,f;const v={get signal(){return c||(c=new AbortController),c.signal},get setSelf(){return!f&&q(t)&&(f=(...a)=>{if(!s)return P(t,...a)}),f}};try{const a=t.read(o,v);return I(t,a,e,()=>c==null?void 0:c.abort())}catch(a){return _(t,a,e)}finally{s=!1}},$=t=>S(p(t)),x=t=>{let n=l.get(t);return n||(n=j(t)),n},k=(t,n)=>!n.l.size&&(!n.t.size||n.t.size===1&&n.t.has(t)),K=t=>{const n=l.get(t);n&&k(t,n)&&W(t)},Q=t=>{const n=new Map,r=new WeakMap,e=o=>{const c=l.get(o);c==null||c.t.forEach(f=>{f!==o&&(n.set(f,(n.get(f)||new Set).add(o)),r.set(f,(r.get(f)||0)+1),e(f))})};e(t);const s=o=>{const c=l.get(o);c==null||c.t.forEach(f=>{var v;if(f!==o){let a=r.get(f);if(a&&r.set(f,--a),!a){let u=!!((v=n.get(f))!=null&&v.size);if(u){const g=d(f),X=p(f,!0);u=!g||!M(g,X)}u||n.forEach(g=>g.delete(f))}s(f)}})};s(t)},J=(t,...n)=>{let r=!0;const e=c=>S(p(c)),s=(c,...f)=>{let v;if(c===t){if(!C(c))throw new Error("atom not writable");const a=d(c),u=I(c,f[0]);(!a||!M(a,u))&&Q(c)}else v=J(c,...f);return r||O(),v},o=t.write(e,s,...n);return r=!1,o},P=(t,...n)=>{const r=J(t,...n);return O(),r},j=(t,n)=>{var r;(r=d(t))==null||r.d.forEach((s,o)=>{const c=l.get(o);c?c.t.add(t):o!==t&&j(o,t)}),p(t);const e={t:new Set(n&&[n]),l:new Set};if(l.set(t,e),q(t)&&t.onMount){const s=t.onMount((...o)=>P(t,...o));s&&(e.u=s)}return e},W=t=>{var n;const r=(n=l.get(t))==null?void 0:n.u;r&&r(),l.delete(t);const e=d(t);e&&(y(e)&&B(e.v),e.d.forEach((s,o)=>{if(o!==t){const c=l.get(o);c&&(c.t.delete(t),k(o,c)&&W(o))}}))},D=(t,n,r)=>{const e=new Set(n.d.keys());r==null||r.forEach((s,o)=>{if(e.has(o)){e.delete(o);return}const c=l.get(o);c&&(c.t.delete(t),k(o,c)&&W(o))}),e.forEach(s=>{const o=l.get(s);o?o.t.add(t):l.has(t)&&j(s,t)})},O=()=>{for(;w.size;){const t=Array.from(w);w.clear(),t.forEach(([n,r])=>{const e=d(n);if(e){e.d!==(r==null?void 0:r.d)&&D(n,e,r==null?void 0:r.d);const s=l.get(n);s&&!(r&&!y(r)&&(M(r,e)||H(r,e)))&&s.l.forEach(o=>o())}})}};return{get:$,set:P,sub:(t,n)=>{const r=x(t);O();const e=r.l;return e.add(n),()=>{e.delete(n),K(t)}}}});let A;const Y=b("getDefaultStore",()=>(A||(A=V()),A))}}});
+System.register([],function(A){"use strict";return{execute:function(){A("atom",R);let N=0;function R(s,l){const h=`atom${++N}`,f={toString:()=>h};return typeof s=="function"?f.read=s:(f.init=s,f.read=E=>E(f),f.write=(E,z,w)=>z(f,typeof w=="function"?w(E(f)):w)),l&&(f.write=l),f}const C=s=>"init"in s,q=s=>!!s.write,y=new WeakMap,T=(s,l)=>{y.set(s,l),s.catch(()=>{}).finally(()=>y.delete(s))},B=(s,l)=>{const h=y.get(s);h&&(y.delete(s),h(l))},F=(s,l)=>{s.status="fulfilled",s.value=l},G=(s,l)=>{s.status="rejected",s.reason=l},U=s=>typeof(s==null?void 0:s.then)=="function",M=(s,l)=>"v"in s&&"v"in l&&Object.is(s.v,l.v),H=(s,l)=>"e"in s&&"e"in l&&Object.is(s.e,l.e),p=s=>"v"in s&&s.v instanceof Promise,V=(s,l)=>"v"in s&&"v"in l&&s.v.orig&&s.v.orig===l.v.orig,S=s=>{if("e"in s)throw s.e;return s.v},_=A("createStore",()=>{const s=new WeakMap,l=new WeakMap,h=new Map,f=t=>s.get(t),E=(t,n)=>{const r=s.get(t);if(s.set(t,n),h.has(t)||h.set(t,r),r&&p(r)){const e="v"in n?n.v instanceof Promise?n.v:Promise.resolve(n.v):Promise.reject(n.e);B(r.v,e)}},z=(t,n,r)=>{const e=new Map;let i=!1;r.forEach((o,d)=>{!o&&d===t&&(o=n),o&&(e.set(d,o),n.d.get(d)!==o&&(i=!0))}),(i||n.d.size!==e.size)&&(n.d=e)},w=(t,n,r)=>{const e=f(t),i={d:(e==null?void 0:e.d)||new Map,v:n};if(r&&z(t,i,r),e&&M(e,i)&&e.d===i.d)return e;if(e&&p(e)&&p(i)&&V(e,i)){if(e.d===i.d)return e;i.v=e.v}return E(t,i),i},I=(t,n,r,e)=>{if(U(n)){let i;const o=new Promise((d,a)=>{let g=!1;n.then(u=>{if(!g){g=!0;const c=f(t),v=w(t,o,r);F(o,u),d(u),l.has(t)&&(c==null?void 0:c.d)!==v.d&&D(t,v,c==null?void 0:c.d)}},u=>{if(!g){g=!0;const c=f(t),v=w(t,o,r);G(o,u),a(u),l.has(t)&&(c==null?void 0:c.d)!==v.d&&D(t,v,c==null?void 0:c.d)}}),i=u=>{g||(g=!0,u.then(c=>F(o,c),c=>G(o,c)),d(u))}});return o.orig=n,o.status="pending",T(o,d=>{d&&i(d),e==null||e()}),w(t,o,r)}return w(t,n,r)},$=(t,n,r)=>{const e=f(t),i={d:(e==null?void 0:e.d)||new Map,e:n};return r&&z(t,i,r),e&&H(e,i)&&e.d===i.d?e:(E(t,i),i)},m=(t,n)=>{const r=f(t);if(!n&&r&&(l.has(t)||Array.from(r.d).every(([u,c])=>u===t||m(u)===c)))return r;const e=new Map;let i=!0;const o=u=>{if(u===t){const v=f(u);if(v)return e.set(u,v),S(v);if(C(u))return e.set(u,void 0),u.init;throw new Error("no atom init")}const c=m(u);return e.set(u,c),S(c)};let d,a;const g={get signal(){return d||(d=new AbortController),d.signal},get setSelf(){return!a&&q(t)&&(a=(...u)=>{if(!i)return P(t,...u)}),a}};try{const u=t.read(o,g);return I(t,u,e,()=>d==null?void 0:d.abort())}catch(u){return $(t,u,e)}finally{i=!1}},x=t=>S(m(t)),K=t=>{let n=l.get(t);return n||(n=j(t)),n},k=(t,n)=>!n.l.size&&(!n.t.size||n.t.size===1&&n.t.has(t)),Q=t=>{const n=l.get(t);n&&k(t,n)&&W(t)},J=t=>{if(!t.size)return;const n=new Map,r=new WeakMap,e=o=>{const d=l.get(o);d==null||d.t.forEach(a=>{a!==o&&(n.set(a,(n.get(a)||new Set).add(o)),r.set(a,(r.get(a)||0)+1),e(a))})};t.forEach(e);const i=o=>{const d=l.get(o);d==null||d.t.forEach(a=>{var g;if(a!==o){let u=r.get(a);if(u&&r.set(a,--u),!u){let c=!!((g=n.get(a))!=null&&g.size);if(c){const v=f(a),X=m(a,!0);c=!v||!M(v,X)}c||n.forEach(v=>v.delete(a))}i(a)}})};t.forEach(i),t.clear()},L=(t,n,...r)=>{let e=!0;const i=a=>S(m(a)),o=(a,...g)=>{let u;if(a===n){if(!C(a))throw new Error("atom not writable");const c=f(a),v=I(a,g[0]);(!c||!M(c,v))&&t.add(a)}else u=L(t,a,...g);return e||(J(t),O()),u},d=n.write(i,o,...r);return e=!1,d},P=(t,...n)=>{const r=new Set,e=L(r,t,...n);return J(r),O(),e},j=(t,n)=>{var r;(r=f(t))==null||r.d.forEach((i,o)=>{const d=l.get(o);d?d.t.add(t):o!==t&&j(o,t)}),m(t);const e={t:new Set(n&&[n]),l:new Set};if(l.set(t,e),q(t)&&t.onMount){const i=t.onMount((...o)=>P(t,...o));i&&(e.u=i)}return e},W=t=>{var n;const r=(n=l.get(t))==null?void 0:n.u;r&&r(),l.delete(t);const e=f(t);e&&(p(e)&&B(e.v),e.d.forEach((i,o)=>{if(o!==t){const d=l.get(o);d&&(d.t.delete(t),k(o,d)&&W(o))}}))},D=(t,n,r)=>{const e=new Set(n.d.keys());r==null||r.forEach((i,o)=>{if(e.has(o)){e.delete(o);return}const d=l.get(o);d&&(d.t.delete(t),k(o,d)&&W(o))}),e.forEach(i=>{const o=l.get(i);o?o.t.add(t):l.has(t)&&j(i,t)})},O=()=>{for(;h.size;){const t=Array.from(h);h.clear(),t.forEach(([n,r])=>{const e=f(n);if(e){const i=l.get(n);i&&e.d!==(r==null?void 0:r.d)&&D(n,e,r==null?void 0:r.d),i&&!(r&&!p(r)&&(M(r,e)||H(r,e)))&&i.l.forEach(o=>o())}})}};return{get:x,set:P,sub:(t,n)=>{const r=K(t);O();const e=r.l;return e.add(n),()=>{e.delete(n),Q(t)}}}});let b;const Y=A("getDefaultStore",()=>(b||(b=_()),b))}}});

system/vanilla/utils.development.js

@@ -216,7 +216,9 @@ System.register(['jotai/vanilla'], (function (exports) {
                   const nextItem = isFunction(update) ? update(arr2[index2]) : update;
-                  set(arrAtom, [
-                    ...arr2.slice(0, index2),
-                    nextItem,
-                    ...arr2.slice(index2 + 1)
-                  ]);
+                  if (!Object.is(arr2[index2], nextItem)) {
+                    set(arrAtom, [
+                      ...arr2.slice(0, index2),
+                      nextItem,
+                      ...arr2.slice(index2 + 1)
+                    ]);
+                  }
                 };
@@ -223,0 +225,0 @@ atomList[index] = isWritable(arrAtom) ? atom(read, write) : atom(read);

system/vanilla/utils.production.js

@@ -1,1 +0,1 @@
-System.register(["jotai/vanilla"],function(P){"use strict";var f;return{setters:[function(S){f=S.atom}],execute:function(){P({atomFamily:z,atomWithDefault:U,atomWithObservable:tt,atomWithReducer:V,atomWithReset:T,atomWithStorage:Z,createJSONStorage:j,freezeAtom:F,freezeAtomCreator:K,loadable:nt,selectAtom:_,splitAtom:Q,unwrap:it});const S=P("RESET",Symbol());function T(e){const n=f(e,(o,u,i)=>{const r=typeof i=="function"?i(o(n)):i;u(n,r===S?e:r)});return n}function V(e,n){const o=f(e,(u,i,r)=>i(o,n(u(o),r)));return o}function z(e,n){let o=null;const u=new Map,i=r=>{let t;if(n===void 0)t=u.get(r);else for(const[c,s]of u)if(n(c,r)){t=s;break}if(t!==void 0)if(o!=null&&o(t[1],r))i.remove(r);else return t[0];const a=e(r);return u.set(r,[a,Date.now()]),a};return i.remove=r=>{if(n===void 0)u.delete(r);else for(const[t]of u)if(n(t,r)){u.delete(t);break}},i.setShouldRemove=r=>{if(o=r,!!o)for(const[t,a]of u)o(a[1],t)&&u.delete(t)},i}const L=(e,n,o)=>(n.has(o)?n:n.set(o,e())).get(o),J=new WeakMap,$=(e,n,o,u)=>{const i=L(()=>new WeakMap,J,n),r=L(()=>new WeakMap,i,o);return L(e,r,u)};function _(e,n,o=Object.is){return $(()=>{const u=Symbol(),i=([t,a])=>{if(a===u)return n(t);const c=n(t,a);return o(a,c)?a:c},r=f(t=>{const a=t(r),c=t(e);return c instanceof Promise||a instanceof Promise?Promise.all([c,a]).then(i):i([c,a])});return r.init=u,r},e,n,o)}const I=new WeakMap,C=(e,n)=>(I.has(n)?I:I.set(n,e())).get(n),x=e=>{if(typeof e!="object"||e===null)return;Object.freeze(e);const n=Object.getOwnPropertyNames(e);for(const o of n){const u=e[o];x(u)}return e};function F(e){return C(()=>f(n=>x(n(e)),(n,o,u)=>o(e,u)),e)}function K(e){return(...n)=>{const o=e(...n),u=o.read;return o.read=(i,r)=>x(u(i,r)),o}}const A=(e,n,o)=>(n.has(o)?n:n.set(o,e())).get(o),q=new WeakMap,B=(e,n,o)=>{const u=A(()=>new WeakMap,q,n);return A(e,u,o)},G={},R=e=>!!e.write,H=e=>typeof e=="function";function Q(e,n){return B(()=>{const o=new WeakMap,u=(t,a)=>{let c=o.get(t);if(c)return c;const s=a&&o.get(a),l=[],m=[];return t.forEach((h,b)=>{const v=n?n(h):b;m[b]=v;const g=s&&s.atomList[s.keyList.indexOf(v)];if(g){l[b]=g;return}const W=w=>{const d=w(i),y=w(e),k=u(y,d==null?void 0:d.arr).keyList.indexOf(v);if(k<0||k>=y.length){const p=t[u(t).keyList.indexOf(v)];if(p)return p;throw new Error("splitAtom: index out of bounds for read")}return y[k]},O=(w,d,y)=>{const k=w(i),p=w(e),M=u(p,k==null?void 0:k.arr).keyList.indexOf(v);if(M<0||M>=p.length)throw new Error("splitAtom: index out of bounds for write");const at=H(y)?y(p[M]):y;d(e,[...p.slice(0,M),at,...p.slice(M+1)])};l[b]=R(e)?f(W,O):f(W)}),s&&s.keyList.length===m.length&&s.keyList.every((h,b)=>h===m[b])?c=s:c={arr:t,atomList:l,keyList:m},o.set(t,c),c},i=f(t=>{const a=t(i),c=t(e);return u(c,a==null?void 0:a.arr)});i.init=void 0;const r=R(e)?f(t=>t(i).atomList,(t,a,c)=>{switch(c.type){case"remove":{const s=t(r).indexOf(c.atom);if(s>=0){const l=t(e);a(e,[...l.slice(0,s),...l.slice(s+1)])}break}case"insert":{const s=c.before?t(r).indexOf(c.before):t(r).length;if(s>=0){const l=t(e);a(e,[...l.slice(0,s),c.value,...l.slice(s)])}break}case"move":{const s=t(r).indexOf(c.atom),l=c.before?t(r).indexOf(c.before):t(r).length;if(s>=0&&l>=0){const m=t(e);s<l?a(e,[...m.slice(0,s),...m.slice(s+1,l),m[s],...m.slice(l)]):a(e,[...m.slice(0,l),m[s],...m.slice(l,s),...m.slice(s+1)])}break}}}):f(t=>t(i).atomList);return r},e,n||G)}function U(e){const n=Symbol(),o=f(n),u=f((i,r)=>{const t=i(o);return t!==n?t:e(i,r)},(i,r,t)=>{if(t===S)r(o,n);else if(typeof t=="function"){const a=i(u);r(o,t(a))}else r(o,t)});return u}const X=e=>typeof(e==null?void 0:e.then)=="function";function j(e){let n,o;const u={getItem:(i,r)=>{var t,a;const c=l=>{if(l=l||"",n!==l){try{o=JSON.parse(l)}catch{return r}n=l}return o},s=(a=(t=e())==null?void 0:t.getItem(i))!=null?a:null;return X(s)?s.then(c):c(s)},setItem:(i,r)=>{var t;return(t=e())==null?void 0:t.setItem(i,JSON.stringify(r))},removeItem:i=>{var r;return(r=e())==null?void 0:r.removeItem(i)}};return typeof window<"u"&&typeof window.addEventListener=="function"&&(u.subscribe=(i,r,t)=>{if(!(e()instanceof window.Storage))return()=>{};const a=c=>{if(c.storageArea===e()&&c.key===i){let s;try{s=JSON.parse(c.newValue||"")}catch{s=t}r(s)}};return window.addEventListener("storage",a),()=>{window.removeEventListener("storage",a)}}),u}const Y=j(()=>typeof window<"u"?window.localStorage:void 0);function Z(e,n,o=Y,u){const i=u==null?void 0:u.unstable_getOnInit,r=f(i?o.getItem(e,n):n);return r.onMount=t=>{i||t(o.getItem(e,n));let a;return o.subscribe&&(a=o.subscribe(e,t,n)),a},f(t=>t(r),(t,a,c)=>{const s=typeof c=="function"?c(t(r)):c;return s===S?(a(r,n),o.removeItem(e)):s instanceof Promise?s.then(l=>(a(r,l),o.setItem(e,l))):(a(r,s),o.setItem(e,s))})}function tt(e,n){const o=i=>{if("e"in i)throw i.e;return i.d},u=f(i=>{var r;let t=e(i);const a=(r=t[Symbol.observable])==null?void 0:r.call(t);a&&(t=a);let c;const s=()=>new Promise(d=>{c=d}),l=n&&"initialValue"in n?{d:typeof n.initialValue=="function"?n.initialValue():n.initialValue}:s();let m,h;const b=d=>{h=d,c==null||c(d),m==null||m(d)};let v,g;const W=()=>!m,O=()=>{v&&(clearTimeout(g),v.unsubscribe()),v=t.subscribe({next:d=>b({d}),error:d=>b({e:d}),complete:()=>{}}),W()&&n!=null&&n.unstable_timeout&&(g=setTimeout(()=>{v&&(v.unsubscribe(),v=void 0)},n.unstable_timeout))};O();const w=f(h||l);return w.onMount=d=>(m=d,h&&d(h),v?clearTimeout(g):O(),()=>{m=void 0,v&&(v.unsubscribe(),v=void 0)}),[w,t,s,O,W]});return f(i=>{const[r]=i(u),t=i(r);return t instanceof Promise?t.then(o):o(t)},(i,r,t)=>{const[a,c,s,l,m]=i(u);if("next"in c)m()&&(r(a,s()),l()),c.next(t);else throw new Error("observable is not subject")})}const E=new WeakMap,et=(e,n)=>(E.has(n)?E:E.set(n,e())).get(n),D={state:"loading"};function nt(e){return et(()=>{const n=new WeakMap,o=f(0),u=f((i,{setSelf:r})=>{i(o);let t;try{t=i(e)}catch(s){return{state:"hasError",error:s}}if(!(t instanceof Promise))return{state:"hasData",data:t};const a=t;return n.get(a)||(n.set(a,D),a.then(s=>{n.set(a,{state:"hasData",data:s})},s=>{n.set(a,{state:"hasError",error:s})}).finally(r),D)},(i,r)=>{r(o,t=>t+1)});return f(i=>i(u))},e)}const N=(e,n,o)=>(n.has(o)?n:n.set(o,e())).get(o),ot=new WeakMap,rt=(e,n,o)=>{const u=N(()=>new WeakMap,ot,n);return N(e,u,o)},st=()=>{};function it(e,n=st){return rt(()=>{const o=new WeakMap,u=new WeakMap,i=f(0),r=f((t,{setSelf:a})=>{t(i);const c=t(r),s=t(e);if(!(s instanceof Promise))return{v:s};if(s===(c==null?void 0:c.p)){if(o.has(s))throw o.get(s);if(u.has(s))return{p:s,v:u.get(s)}}return s!==(c==null?void 0:c.p)&&s.then(l=>u.set(s,l),l=>o.set(s,l)).finally(a),c&&"v"in c?{p:s,f:n(c.v)}:{p:s,f:n()}},(t,a)=>{a(i,c=>c+1)});return r.init=void 0,f(t=>{const a=t(r);return"v"in a?a.v:a.f},e.write)},e,n)}}}});
+System.register(["jotai/vanilla"],function(P){"use strict";var f;return{setters:[function(W){f=W.atom}],execute:function(){P({atomFamily:J,atomWithDefault:X,atomWithObservable:et,atomWithReducer:z,atomWithReset:V,atomWithStorage:tt,createJSONStorage:R,freezeAtom:K,freezeAtomCreator:q,loadable:ot,selectAtom:C,splitAtom:U,unwrap:at});const W=P("RESET",Symbol());function V(e){const n=f(e,(o,u,i)=>{const r=typeof i=="function"?i(o(n)):i;u(n,r===W?e:r)});return n}function z(e,n){const o=f(e,(u,i,r)=>i(o,n(u(o),r)));return o}function J(e,n){let o=null;const u=new Map,i=r=>{let t;if(n===void 0)t=u.get(r);else for(const[c,s]of u)if(n(c,r)){t=s;break}if(t!==void 0)if(o!=null&&o(t[1],r))i.remove(r);else return t[0];const a=e(r);return u.set(r,[a,Date.now()]),a};return i.remove=r=>{if(n===void 0)u.delete(r);else for(const[t]of u)if(n(t,r)){u.delete(t);break}},i.setShouldRemove=r=>{if(o=r,!!o)for(const[t,a]of u)o(a[1],t)&&u.delete(t)},i}const L=(e,n,o)=>(n.has(o)?n:n.set(o,e())).get(o),$=new WeakMap,_=(e,n,o,u)=>{const i=L(()=>new WeakMap,$,n),r=L(()=>new WeakMap,i,o);return L(e,r,u)};function C(e,n,o=Object.is){return _(()=>{const u=Symbol(),i=([t,a])=>{if(a===u)return n(t);const c=n(t,a);return o(a,c)?a:c},r=f(t=>{const a=t(r),c=t(e);return c instanceof Promise||a instanceof Promise?Promise.all([c,a]).then(i):i([c,a])});return r.init=u,r},e,n,o)}const I=new WeakMap,F=(e,n)=>(I.has(n)?I:I.set(n,e())).get(n),x=e=>{if(typeof e!="object"||e===null)return;Object.freeze(e);const n=Object.getOwnPropertyNames(e);for(const o of n){const u=e[o];x(u)}return e};function K(e){return F(()=>f(n=>x(n(e)),(n,o,u)=>o(e,u)),e)}function q(e){return(...n)=>{const o=e(...n),u=o.read;return o.read=(i,r)=>x(u(i,r)),o}}const A=(e,n,o)=>(n.has(o)?n:n.set(o,e())).get(o),B=new WeakMap,G=(e,n,o)=>{const u=A(()=>new WeakMap,B,n);return A(e,u,o)},H={},j=e=>!!e.write,Q=e=>typeof e=="function";function U(e,n){return G(()=>{const o=new WeakMap,u=(t,a)=>{let c=o.get(t);if(c)return c;const 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l=t(e);a(e,[...l.slice(0,s),...l.slice(s+1)])}break}case"insert":{const s=c.before?t(r).indexOf(c.before):t(r).length;if(s>=0){const l=t(e);a(e,[...l.slice(0,s),c.value,...l.slice(s)])}break}case"move":{const s=t(r).indexOf(c.atom),l=c.before?t(r).indexOf(c.before):t(r).length;if(s>=0&&l>=0){const m=t(e);s<l?a(e,[...m.slice(0,s),...m.slice(s+1,l),m[s],...m.slice(l)]):a(e,[...m.slice(0,l),m[s],...m.slice(l,s),...m.slice(s+1)])}break}}}):f(t=>t(i).atomList);return r},e,n||H)}function X(e){const n=Symbol(),o=f(n),u=f((i,r)=>{const t=i(o);return t!==n?t:e(i,r)},(i,r,t)=>{if(t===W)r(o,n);else if(typeof t=="function"){const a=i(u);r(o,t(a))}else r(o,t)});return u}const Y=e=>typeof(e==null?void 0:e.then)=="function";function R(e){let n,o;const u={getItem:(i,r)=>{var t,a;const c=l=>{if(l=l||"",n!==l){try{o=JSON.parse(l)}catch{return r}n=l}return o},s=(a=(t=e())==null?void 0:t.getItem(i))!=null?a:null;return Y(s)?s.then(c):c(s)},setItem:(i,r)=>{var t;return(t=e())==null?void 0:t.setItem(i,JSON.stringify(r))},removeItem:i=>{var r;return(r=e())==null?void 0:r.removeItem(i)}};return typeof window<"u"&&typeof window.addEventListener=="function"&&(u.subscribe=(i,r,t)=>{if(!(e()instanceof window.Storage))return()=>{};const a=c=>{if(c.storageArea===e()&&c.key===i){let s;try{s=JSON.parse(c.newValue||"")}catch{s=t}r(s)}};return window.addEventListener("storage",a),()=>{window.removeEventListener("storage",a)}}),u}const Z=R(()=>typeof window<"u"?window.localStorage:void 0);function tt(e,n,o=Z,u){const i=u==null?void 0:u.unstable_getOnInit,r=f(i?o.getItem(e,n):n);return r.onMount=t=>{i||t(o.getItem(e,n));let a;return o.subscribe&&(a=o.subscribe(e,t,n)),a},f(t=>t(r),(t,a,c)=>{const s=typeof c=="function"?c(t(r)):c;return s===W?(a(r,n),o.removeItem(e)):s instanceof Promise?s.then(l=>(a(r,l),o.setItem(e,l))):(a(r,s),o.setItem(e,s))})}function et(e,n){const o=i=>{if("e"in i)throw i.e;return i.d},u=f(i=>{var r;let t=e(i);const a=(r=t[Symbol.observable])==null?void 0:r.call(t);a&&(t=a);let c;const s=()=>new Promise(d=>{c=d}),l=n&&"initialValue"in n?{d:typeof n.initialValue=="function"?n.initialValue():n.initialValue}:s();let m,w;const v=d=>{w=d,c==null||c(d),m==null||m(d)};let b,y;const O=()=>!m,M=()=>{b&&(clearTimeout(y),b.unsubscribe()),b=t.subscribe({next:d=>v({d}),error:d=>v({e:d}),complete:()=>{}}),O()&&n!=null&&n.unstable_timeout&&(y=setTimeout(()=>{b&&(b.unsubscribe(),b=void 0)},n.unstable_timeout))};M();const p=f(w||l);return p.onMount=d=>(m=d,w&&d(w),b?clearTimeout(y):M(),()=>{m=void 0,b&&(b.unsubscribe(),b=void 0)}),[p,t,s,M,O]});return f(i=>{const[r]=i(u),t=i(r);return t instanceof Promise?t.then(o):o(t)},(i,r,t)=>{const[a,c,s,l,m]=i(u);if("next"in c)m()&&(r(a,s()),l()),c.next(t);else throw new Error("observable is not subject")})}const E=new WeakMap,nt=(e,n)=>(E.has(n)?E:E.set(n,e())).get(n),D={state:"loading"};function ot(e){return nt(()=>{const n=new WeakMap,o=f(0),u=f((i,{setSelf:r})=>{i(o);let t;try{t=i(e)}catch(s){return{state:"hasError",error:s}}if(!(t instanceof Promise))return{state:"hasData",data:t};const a=t;return n.get(a)||(n.set(a,D),a.then(s=>{n.set(a,{state:"hasData",data:s})},s=>{n.set(a,{state:"hasError",error:s})}).finally(r),D)},(i,r)=>{r(o,t=>t+1)});return f(i=>i(u))},e)}const N=(e,n,o)=>(n.has(o)?n:n.set(o,e())).get(o),rt=new WeakMap,st=(e,n,o)=>{const u=N(()=>new WeakMap,rt,n);return N(e,u,o)},it=()=>{};function at(e,n=it){return st(()=>{const o=new WeakMap,u=new WeakMap,i=f(0),r=f((t,{setSelf:a})=>{t(i);const c=t(r),s=t(e);if(!(s instanceof Promise))return{v:s};if(s===(c==null?void 0:c.p)){if(o.has(s))throw o.get(s);if(u.has(s))return{p:s,v:u.get(s)}}return s!==(c==null?void 0:c.p)&&s.then(l=>u.set(s,l),l=>o.set(s,l)).finally(a),c&&"v"in c?{p:s,f:n(c.v)}:{p:s,f:n()}},(t,a)=>{a(i,c=>c+1)});return r.init=void 0,f(t=>{const a=t(r);return"v"in a?a.v:a.f},e.write)},e,n)}}}});

umd/vanilla.development.js

@@ -194,3 +194,3 @@ (function (global, factory) {
               resolve(v);
-              if ((prevAtomState == null ? void 0 : prevAtomState.d) !== nextAtomState.d) {
+              if (mountedMap.has(atom) && (prevAtomState == null ? void 0 : prevAtomState.d) !== nextAtomState.d) {
                 mountDependencies(atom, nextAtomState, prevAtomState == null ? void 0 : prevAtomState.d);
@@ -206,3 +206,3 @@ }
               reject(e);
-              if ((prevAtomState == null ? void 0 : prevAtomState.d) !== nextAtomState.d) {
+              if (mountedMap.has(atom) && (prevAtomState == null ? void 0 : prevAtomState.d) !== nextAtomState.d) {
                 mountDependencies(atom, nextAtomState, prevAtomState == null ? void 0 : prevAtomState.d);
@@ -344,3 +344,6 @@ }
     };
-    var recomputeDependents = function recomputeDependents(atom) {
+    var recomputeDependents = function recomputeDependents(updatedAtoms) {
+      if (!updatedAtoms.size) {
+        return;
+      }
       var dependencyMap = new Map();
@@ -358,3 +361,3 @@ var dirtyMap = new WeakMap();
       };
-      loop1(atom);
+      updatedAtoms.forEach(loop1);
       var loop2 = function loop2(a) {
@@ -386,5 +389,6 @@ var mounted = mountedMap.get(a);
       };
-      loop2(atom);
+      updatedAtoms.forEach(loop2);
+      updatedAtoms.clear();
     };
-    var writeAtomState = function writeAtomState(atom) {
+    var writeAtomState = function writeAtomState(updatedAtoms, atom) {
       var isSync = true;
@@ -406,8 +410,9 @@ var getter = function getter(a) {
           if (!prevAtomState || !isEqualAtomValue(prevAtomState, nextAtomState)) {
-            recomputeDependents(a);
+            updatedAtoms.add(a);
           }
         } else {
-          r = writeAtomState.apply(void 0, [a].concat(args));
+          r = writeAtomState.apply(void 0, [updatedAtoms, a].concat(args));
         }
         if (!isSync) {
+          recomputeDependents(updatedAtoms);
           var flushed = flushPending();
@@ -425,4 +430,4 @@ {
       };
-      for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
-        args[_key2 - 1] = arguments[_key2];
+      for (var _len2 = arguments.length, args = new Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {
+        args[_key2 - 2] = arguments[_key2];
       }
@@ -434,6 +439,8 @@ var result = atom.write.apply(atom, [getter, setter].concat(args));
     var writeAtom = function writeAtom(atom) {
+      var updatedAtoms = new Set();
       for (var _len4 = arguments.length, args = new Array(_len4 > 1 ? _len4 - 1 : 0), _key4 = 1; _key4 < _len4; _key4++) {
         args[_key4 - 1] = arguments[_key4];
       }
-      var result = writeAtomState.apply(void 0, [atom].concat(args));
+      var result = writeAtomState.apply(void 0, [updatedAtoms, atom].concat(args));
+      recomputeDependents(updatedAtoms);
       var flushed = flushPending();
@@ -551,6 +558,6 @@ {
           if (atomState) {
-            if (atomState.d !== (prevAtomState == null ? void 0 : prevAtomState.d)) {
+            var mounted = mountedMap.get(atom);
+            if (mounted && atomState.d !== (prevAtomState == null ? void 0 : prevAtomState.d)) {
               mountDependencies(atom, atomState, prevAtomState == null ? void 0 : prevAtomState.d);
             }
-            var mounted = mountedMap.get(atom);
             if (mounted && !(prevAtomState && !hasPromiseAtomValue(prevAtomState) && (isEqualAtomValue(prevAtomState, atomState) || isEqualAtomError(prevAtomState, atomState)))) {
@@ -622,2 +629,3 @@ mounted.l.forEach(function (listener) {
         dev_restore_atoms: function dev_restore_atoms(values) {
+          var updatedAtoms = new Set();
           for (var _iterator = _createForOfIteratorHelperLoose(values), _step; !(_step = _iterator()).done;) {
@@ -629,5 +637,6 @@ var _step$value = _step.value,
               setAtomValueOrPromise(atom, valueOrPromise);
-              recomputeDependents(atom);
+              updatedAtoms.add(atom);
             }
           }
+          recomputeDependents(updatedAtoms);
           var flushed = flushPending();
@@ -634,0 +643,0 @@ storeListenersRev2.forEach(function (l) {

umd/vanilla.production.js

@@ -1,1 +0,1 @@
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umd/vanilla/utils.development.js

@@ -250,3 +250,5 @@ (function (global, factory) {
             var nextItem = isFunction(update) ? update(arr[index]) : update;
-            set(arrAtom, [].concat(arr.slice(0, index), [nextItem], arr.slice(index + 1)));
+            if (!Object.is(arr[index], nextItem)) {
+              set(arrAtom, [].concat(arr.slice(0, index), [nextItem], arr.slice(index + 1)));
+            }
           };
@@ -253,0 +255,0 @@ atomList[index] = isWritable(arrAtom) ? vanilla.atom(read, write) : vanilla.atom(read);

umd/vanilla/utils.production.js

@@ -1,1 +0,1 @@
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n?n.v:n.f}),t.write)},o=e,i=y((function(){return new WeakMap}),h,t),y(r,i,o);var r,o,i}}));
+!function(t,n){"object"==typeof exports&&"undefined"!=typeof module?n(exports,require("jotai/vanilla")):"function"==typeof define&&define.amd?define(["exports","jotai/vanilla"],n):n((t="undefined"!=typeof globalThis?globalThis:t||self).jotaiVanillaUtils={},t.jotaiVanilla)}(this,(function(t,n){"use strict";var e=Symbol();function r(t,n){(null==n||n>t.length)&&(n=t.length);for(var e=0,r=new Array(n);e<n;e++)r[e]=t[e];return r}function o(t,n){var e="undefined"!=typeof Symbol&&t[Symbol.iterator]||t["@@iterator"];if(e)return(e=e.call(t)).next.bind(e);if(Array.isArray(t)||(e=function(t,n){if(t){if("string"==typeof t)return r(t,n);var e=Object.prototype.toString.call(t).slice(8,-1);return"Object"===e&&t.constructor&&(e=t.constructor.name),"Map"===e||"Set"===e?Array.from(t):"Arguments"===e||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(e)?r(t,n):void 0}}(t))||n&&t&&"number"==typeof t.length){e&&(t=e);var o=0;return function(){return o>=t.length?{done:!0}:{done:!1,value:t[o++]}}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var i=function(t,n,e){return(n.has(e)?n:n.set(e,t())).get(e)},a=new WeakMap;var u=new WeakMap,f=function t(n){if("object"==typeof n&&null!==n){Object.freeze(n);for(var e,r=o(Object.getOwnPropertyNames(n));!(e=r()).done;){t(n[e.value])}return n}};var c=function(t,n,e){return(n.has(e)?n:n.set(e,t())).get(e)},l=new WeakMap,s={},v=function(t){return!!t.write};function m(t){var n,e,r={getItem:function(r,o){var i,a,u,f=function(t){if(n!==(t=t||"")){try{e=JSON.parse(t)}catch(t){return o}n=t}return e},c=null!=(i=null==(a=t())?void 0:a.getItem(r))?i:null;return"function"==typeof(null==(u=c)?void 0:u.then)?c.then(f):f(c)},setItem:function(n,e){var r;return null==(r=t())?void 0:r.setItem(n,JSON.stringify(e))},removeItem:function(n){var e;return null==(e=t())?void 0:e.removeItem(n)}};return"undefined"!=typeof window&&"function"==typeof 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vanilla.js

@@ -190,3 +190,3 @@ 'use strict';
             resolve(v);
-            if ((prevAtomState == null ? void 0 : prevAtomState.d) !== nextAtomState.d) {
+            if (mountedMap.has(atom) && (prevAtomState == null ? void 0 : prevAtomState.d) !== nextAtomState.d) {
               mountDependencies(atom, nextAtomState, prevAtomState == null ? void 0 : prevAtomState.d);
@@ -202,3 +202,3 @@ }
             reject(e);
-            if ((prevAtomState == null ? void 0 : prevAtomState.d) !== nextAtomState.d) {
+            if (mountedMap.has(atom) && (prevAtomState == null ? void 0 : prevAtomState.d) !== nextAtomState.d) {
               mountDependencies(atom, nextAtomState, prevAtomState == null ? void 0 : prevAtomState.d);
@@ -340,3 +340,6 @@ }
   };
-  var recomputeDependents = function recomputeDependents(atom) {
+  var recomputeDependents = function recomputeDependents(updatedAtoms) {
+    if (!updatedAtoms.size) {
+      return;
+    }
     var dependencyMap = new Map();
@@ -354,3 +357,3 @@ var dirtyMap = new WeakMap();
     };
-    loop1(atom);
+    updatedAtoms.forEach(loop1);
     var loop2 = function loop2(a) {
@@ -382,5 +385,6 @@ var mounted = mountedMap.get(a);
     };
-    loop2(atom);
+    updatedAtoms.forEach(loop2);
+    updatedAtoms.clear();
   };
-  var writeAtomState = function writeAtomState(atom) {
+  var writeAtomState = function writeAtomState(updatedAtoms, atom) {
     var isSync = true;
@@ -402,8 +406,9 @@ var getter = function getter(a) {
         if (!prevAtomState || !isEqualAtomValue(prevAtomState, nextAtomState)) {
-          recomputeDependents(a);
+          updatedAtoms.add(a);
         }
       } else {
-        r = writeAtomState.apply(void 0, [a].concat(args));
+        r = writeAtomState.apply(void 0, [updatedAtoms, a].concat(args));
       }
       if (!isSync) {
+        recomputeDependents(updatedAtoms);
         var flushed = flushPending();
@@ -421,4 +426,4 @@ if (process.env.NODE_ENV !== 'production') {
     };
-    for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
-      args[_key2 - 1] = arguments[_key2];
+    for (var _len2 = arguments.length, args = new Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {
+      args[_key2 - 2] = arguments[_key2];
     }
@@ -430,6 +435,8 @@ var result = atom.write.apply(atom, [getter, setter].concat(args));
   var writeAtom = function writeAtom(atom) {
+    var updatedAtoms = new Set();
     for (var _len4 = arguments.length, args = new Array(_len4 > 1 ? _len4 - 1 : 0), _key4 = 1; _key4 < _len4; _key4++) {
       args[_key4 - 1] = arguments[_key4];
     }
-    var result = writeAtomState.apply(void 0, [atom].concat(args));
+    var result = writeAtomState.apply(void 0, [updatedAtoms, atom].concat(args));
+    recomputeDependents(updatedAtoms);
     var flushed = flushPending();
@@ -547,6 +554,6 @@ if (process.env.NODE_ENV !== 'production') {
         if (atomState) {
-          if (atomState.d !== (prevAtomState == null ? void 0 : prevAtomState.d)) {
+          var mounted = mountedMap.get(atom);
+          if (mounted && atomState.d !== (prevAtomState == null ? void 0 : prevAtomState.d)) {
             mountDependencies(atom, atomState, prevAtomState == null ? void 0 : prevAtomState.d);
           }
-          var mounted = mountedMap.get(atom);
           if (mounted && !(prevAtomState && !hasPromiseAtomValue(prevAtomState) && (isEqualAtomValue(prevAtomState, atomState) || isEqualAtomError(prevAtomState, atomState)))) {
@@ -618,2 +625,3 @@ mounted.l.forEach(function (listener) {
       dev_restore_atoms: function dev_restore_atoms(values) {
+        var updatedAtoms = new Set();
         for (var _iterator = _createForOfIteratorHelperLoose(values), _step; !(_step = _iterator()).done;) {
@@ -625,5 +633,6 @@ var _step$value = _step.value,
             setAtomValueOrPromise(atom, valueOrPromise);
-            recomputeDependents(atom);
+            updatedAtoms.add(atom);
           }
         }
+        recomputeDependents(updatedAtoms);
         var flushed = flushPending();
@@ -630,0 +639,0 @@ storeListenersRev2.forEach(function (l) {

vanilla/utils.js

@@ -248,3 +248,5 @@ 'use strict';
           var nextItem = isFunction(update) ? update(arr[index]) : update;
-          set(arrAtom, [].concat(arr.slice(0, index), [nextItem], arr.slice(index + 1)));
+          if (!Object.is(arr[index], nextItem)) {
+            set(arrAtom, [].concat(arr.slice(0, index), [nextItem], arr.slice(index + 1)));
+          }
         };
@@ -251,0 +253,0 @@ atomList[index] = isWritable(arrAtom) ? vanilla.atom(read, write) : vanilla.atom(read);

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increased by0.52%

No dependency changes