@zag-js/core - npm Package Compare versions

Comparing version 0.0.0-dev-20220413091534 to 0.0.0-dev-20220413174154

dist/action-utils.d.ts

@@ -7,1 +7,2 @@ import { StateMachine as S } from "./types";
 export declare function determineActionsFn<TContext, TState extends S.StateSchema, TEvent extends S.EventObject>(values: S.Actions<TContext, TState, TEvent> | undefined, guardMap: S.GuardMap<TContext, TEvent> | undefined): (context: TContext, event: TEvent) => string | S.ExpressionWithMeta<TContext, TState, TEvent, void> | S.Action<TContext, TState, TEvent>[];
+//# sourceMappingURL=action-utils.d.ts.map

dist/create-proxy.d.ts

 import { StateMachine as S } from "./types";
 export declare function createProxy<TContext, TState extends S.StateSchema, TEvent extends S.EventObject>(config: S.MachineConfig<TContext, TState, TEvent>): S.State<TContext, TState, TEvent>;
+//# sourceMappingURL=create-proxy.d.ts.map

dist/delay-utils.d.ts

@@ -11,1 +11,2 @@ import { StateMachine as S } from "./types";
 export declare function determineDelayFn<TContext, TEvent extends S.EventObject>(delay: S.Delay<TContext, TEvent> | undefined, delaysMap: S.DelayMap<TContext, TEvent> | undefined): (context: TContext, event: TEvent) => number;
+//# sourceMappingURL=delay-utils.d.ts.map

dist/guard-utils.d.ts

@@ -21,1 +21,2 @@ import { StateMachine as S } from "./types";
 export {};
+//# sourceMappingURL=guard-utils.d.ts.map

dist/index.d.ts

@@ -7,1 +7,2 @@ export { proxy, ref, snapshot, subscribe } from "valtio/vanilla";
 export type { StateMachine } from "./types";
+//# sourceMappingURL=index.d.ts.map

dist/index.js

@@ -1,2 +0,853 @@
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n,i;t?((n=this.activityEvents.get(t))==null||n.forEach(s=>s()),(i=this.activityEvents.get(t))==null||i.clear(),this.activityEvents.delete(t)):(this.activityEvents.forEach(s=>{s.forEach(r=>r()),s.clear()}),this.activityEvents.clear())};this.sendChild=(t,n)=>{let i=E(t),s=Z(n,this.contextSnapshot),r=this.children.get(s);r||K(`[machine/send-child] Cannot send '${i.type}' event to unknown child`),r.send(i)};this.stopChild=t=>{this.children.has(t)||K("[machine/stop-child] Cannot stop unknown child"),this.children.get(t).stop(),this.children.delete(t)};this.removeChild=t=>{this.children.delete(t)};this.stopChildren=()=>{this.children.forEach(t=>t.stop()),this.children.clear()};this.setParent=t=>{this.parent=t};this.spawn=(t,n)=>{let i=Z(t);return n&&(i.id=n),i.type="machine.actor",i.setParent(this),this.children.set(i.id,m(i)),i.onDone(()=>{this.removeChild(i.id)}).start(),m(L(i))};this.addActivityCleanup=(t,n)=>{var i;!t||(this.activityEvents.has(t)?(i=this.activityEvents.get(t))==null||i.add(n):this.activityEvents.set(t,new Set([n])))};this.setState=t=>{this.state.previousValue=this.state.value,this.state.value=t;let n=this.getStateNode(t);t==null?ct(this.state.tags):this.state.tags=g(n==null?void 0:n.tags)};this.setContext=t=>{for(let n in t)this.state.context[n]=t[n]};this.withContext=t=>{this.detachComputed();let n={...this.config.context,...t};return new w({...this.config,context:n},this.options)};this.withOptions=t=>(this.detachComputed(),new w(this.config,{...this.options,...t}));this.setActions=t=>{this.actionMap={...this.actionMap,...t}};this.clone=()=>(this.detachComputed(),new w(this.config,this.options));this.getStateNode=t=>{var n;if(!!t)return(n=this.config.states)==null?void 0:n[t]};this.getNextStateInfo=(t,n)=>{var o;let i=this.determineTransition(t,n),s=(o=i==null?void 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i=U(t,this.guardMap)(this.contextSnapshot,n);for(let r of g(i)){let o=v(r)?(s=this.actionMap)==null?void 0:s[r]:r;H(v(r)&&!o,`[machine/exec-action] No implementation found for action: \`${r}\``),o==null||o(this.state.context,n,this.meta)}};this.executeActivities=(t,n,i)=>{var s;for(let r of n){let o=v(r)?(s=this.activityMap)==null?void 0:s[r]:r;if(!o){H(`[machine/exec-activity] No implementation found for activity: \`${r}\``);continue}let c=o(this.state.context,t,this.meta);c&&this.addActivityCleanup(i!=null?i:this.state.value,c)}};this.createEveryActivities=(t,n)=>{if(!t)return;let i=E("machine.every");if(C(t)){let s=g(t).find(h=>{let d=F(h.delay,this.delayMap);h.delay=d(this.contextSnapshot,i);let T=z(h.guard,this.guardMap)(this.contextSnapshot,i);return T!=null?T:h.delay});if(!s)return;let o=F(s.delay,this.delayMap)(this.contextSnapshot,i);n(()=>{let h=globalThis.setInterval(()=>{this.executeActions(s.actions,i)},o);return()=>{globalThis.clearInterval(h)}})}else for(let s in t){let r=t==null?void 0:t[s],c=F(s,this.delayMap)(this.contextSnapshot,i);n(()=>{let d=globalThis.setInterval(()=>{this.executeActions(r,i)},c);return()=>{globalThis.clearInterval(d)}})}};this.setEvent=t=>{this.state.event=L(E(t))};this.performExitEffects=(t,n)=>{let i=this.state.value,s=t?this.getStateNode(t):void 0;this.stopActivities(i);let r=U(s==null?void 0:s.exit,this.guardMap)(this.contextSnapshot,n),o=g(r),c=this.delayedEvents.get(i);c&&o.push(...c),this.executeActions(o,n),this.eventListeners.clear()};this.performEntryEffects=(t,n)=>{let i=this.getStateNode(t),s=g(i==null?void 0:i.activities);this.createEveryActivities(i==null?void 0:i.every,h=>{s.unshift(h)}),s.length>0&&this.executeActivities(n,s);let r=U(i==null?void 0:i.entry,this.guardMap)(this.contextSnapshot,n),o=g(r),c=this.getDelayedEventActions(t);(i==null?void 0:i.after)&&c&&(this.delayedEvents.set(t,c==null?void 0:c.exits),o.push(...c.entries)),this.executeActions(o,n),(i==null?void 0:i.type)==="final"&&(this.state.done=!0,this.doneListeners.forEach(h=>{h(this.stateSnapshot)}),this.stop())};this.performTransitionEffects=(t,n)=>{let i=this.determineTransition(t,n);this.executeActions(i==null?void 0:i.actions,n)};this.performStateChangeEffects=(t,n,i)=>{var r,o;this.setEvent(i),n.target=(o=(r=n.target)!=null?r:this.state.value)!=null?o:void 0;let s=n.target&&n.target!==this.state.value;s&&this.performExitEffects(t,i),this.performTransitionEffects(n==null?void 0:n.transition,i),this.setState(n.target),s&&this.performEntryEffects(n.target,i)};this.determineTransition=(t,n)=>{let i=xt(t,this.guardMap);return i==null?void 0:i(this.contextSnapshot,n)};this.sendParent=t=>{var i;this.parent||K("[machine/send-parent] Cannot send event to an unknown parent");let n=E(t);(i=this.parent)==null||i.send(n)};this.send=t=>{let n=E(t);this.transition(this.state.value,n)};this.transition=(t,n)=>{var h,d,y;let i=v(t)?this.getStateNode(t):t==null?void 0:t.stateNode,s=E(n);if(!i&&!this.config.on){let T=this.status==="Stopped"?"[machine/transition] Cannot transition a stopped machine":"[machine/transition] State does not have a definition";H(T);return}let r=(y=(h=i==null?void 0:i.on)==null?void 0:h[s.type])!=null?y:(d=this.config.on)==null?void 0:d[s.type],o=bt(r,this.state.value);if(!o)return;let c=this.getNextStateInfo(o,s);return this.performStateChangeEffects(this.state.value,c,s),c.stateNode};this.subscribe=t=>(this.stateListeners.add(t),this.status==="Running"&&t(this.stateSnapshot),()=>{this.stateListeners.delete(t)});this.onDone=t=>(this.doneListeners.add(t),this);this.onTransition=t=>(this.stateListeners.add(t),this.status==="Running"&&t(this.stateSnapshot),this);this.onEvent=t=>(t(this.state.event),this.eventListeners.add(t),this);var s,r,o,c,h,d,y,T,l,a,u;this.options=I(n),this.id=(s=t.id)!=null?s:`machine-${ht()}`,this.guardMap=(o=(r=this.options)==null?void 0:r.guards)!=null?o:{},this.actionMap=(h=(c=this.options)==null?void 0:c.actions)!=null?h:{},this.delayMap=(y=(d=this.options)==null?void 0:d.delays)!=null?y:{},this.activityMap=(l=(T=this.options)==null?void 0:T.activities)!=null?l:{},this.sync=(u=(a=this.options)==null?void 0:a.sync)!=null?u:!1,this.state=Et(I(t)),this.setupComputed();let i=E("machine.created");this.executeActions(t==null?void 0:t.created,i)}get stateSnapshot(){return m(N(this.state))}get contextSnapshot(){return this.stateSnapshot.context}get self(){let t=this;return{id:this.id,send:this.send.bind(this),sendParent:this.sendParent.bind(this),sendChild:this.sendChild.bind(this),stop:this.stop.bind(this),stopChild:this.stopChild.bind(this),spawn:this.spawn.bind(this),get state(){return t.stateSnapshot}}}get meta(){return{state:this.stateSnapshot,guards:this.guardMap,send:this.send.bind(this),listen:this.onEvent.bind(this),self:this.self,getState:()=>this.stateSnapshot}}},Ht=(e,t)=>new w(e,t);var Kt=(...e)=>e.map(t=>t==null?void 0:t.trim()).filter(Boolean).join(" ");function gt(...e){var n,i;let t={};for(let s of e){for(let r in t){if(/^on[A-Z]/.test(r)&&typeof t[r]=="function"&&typeof s[r]=="function"){t[r]=ut(t[r],s[r]);continue}if(r==="className"||r==="class"){t[r]=Kt(t[r],s[r]);continue}if(r==="style"){t[r]=Object.assign({},(n=t[r])!=null?n:{},(i=s[r])!=null?i:{});continue}t[r]=s[r]!==void 0?s[r]:t[r]}for(let r in s)t[r]===void 0&&(t[r]=s[r])}return t}
+var __defProp = Object.defineProperty;
+var __defProps = Object.defineProperties;
+var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
+var __getOwnPropDescs = Object.getOwnPropertyDescriptors;
+var __getOwnPropNames = Object.getOwnPropertyNames;
+var __getOwnPropSymbols = Object.getOwnPropertySymbols;
+var __hasOwnProp = Object.prototype.hasOwnProperty;
+var __propIsEnum = Object.prototype.propertyIsEnumerable;
+var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
+var __spreadValues = (a, b) => {
+  for (var prop in b || (b = {}))
+    if (__hasOwnProp.call(b, prop))
+      __defNormalProp(a, prop, b[prop]);
+  if (__getOwnPropSymbols)
+    for (var prop of __getOwnPropSymbols(b)) {
+      if (__propIsEnum.call(b, prop))
+        __defNormalProp(a, prop, b[prop]);
+    }
+  return a;
+};
+var __spreadProps = (a, b) => __defProps(a, __getOwnPropDescs(b));
+var __export = (target, all) => {
+  for (var name in all)
+    __defProp(target, name, { get: all[name], enumerable: true });
+};
+var __copyProps = (to, from, except, desc) => {
+  if (from && typeof from === "object" || typeof from === "function") {
+    for (let key of __getOwnPropNames(from))
+      if (!__hasOwnProp.call(to, key) && key !== except)
+        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
+  }
+  return to;
+};
+var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
+
+// src/index.ts
+var src_exports = {};
+__export(src_exports, {
+  Machine: () => Machine,
+  choose: () => choose,
+  createMachine: () => createMachine,
+  guards: () => guards,
+  mergeProps: () => mergeProps,
+  proxy: () => import_vanilla3.proxy,
+  ref: () => import_vanilla3.ref,
+  snapshot: () => import_vanilla3.snapshot,
+  subscribe: () => import_vanilla3.subscribe
+});
+module.exports = __toCommonJS(src_exports);
+var import_vanilla3 = require("valtio/vanilla");
+
+// ../utilities/core/src/array.ts
+function clear(v) {
+  while (v.length > 0)
+    v.pop();
+  return v;
+}
+
+// ../utilities/core/src/functions.ts
+var runIfFn = (v, ...a) => {
+  const res = typeof v === "function" ? v(...a) : v;
+  return res != null ? res : void 0;
+};
+var cast = (v) => v;
+var noop = () => {
+};
+var callAll = (...fns) => (...a) => {
+  fns.forEach(function(fn) {
+    fn == null ? void 0 : fn(...a);
+  });
+};
+var uuid = /* @__PURE__ */ (() => {
+  let id = 0;
+  return () => {
+    id++;
+    return id.toString(36);
+  };
+})();
+
+// ../utilities/core/src/guard.ts
+var isArray = (v) => Array.isArray(v);
+var isObject = (v) => !(v == null || typeof v !== "object" || isArray(v));
+var isNumber = (v) => typeof v === "number" && !Number.isNaN(v);
+var isString = (v) => typeof v === "string";
+var isFunction = (v) => typeof v === "function";
+
+// ../utilities/core/src/warning.ts
+function warn(...a) {
+  const m = a.length === 1 ? a[0] : a[1];
+  const c = a.length === 2 ? a[0] : true;
+  if (c && void 0 !== "production") {
+    console.warn(m);
+  }
+}
+function invariant(...a) {
+  const m = a.length === 1 ? a[0] : a[1];
+  const c = a.length === 2 ? a[0] : true;
+  if (c && void 0 !== "production") {
+    throw new Error(m);
+  }
+}
+
+// src/action-utils.ts
+function choose(actions) {
+  return {
+    predicate: (guardMap) => (ctx, event) => {
+      var _a;
+      return (_a = actions.find((def) => {
+        var _a2;
+        def.guard = def.guard || (() => true);
+        if (isString(def.guard)) {
+          return !!((_a2 = guardMap[def.guard]) == null ? void 0 : _a2.call(guardMap, ctx, event));
+        }
+        if (isGuardHelper(def.guard)) {
+          return def.guard.predicate(guardMap != null ? guardMap : {})(ctx, event);
+        }
+        return def.guard(ctx, event);
+      })) == null ? void 0 : _a.actions;
+    }
+  };
+}
+function isGuardHelper(value) {
+  return isObject(value) && value.predicate != null;
+}
+function determineActionsFn(values, guardMap) {
+  return (context, event) => {
+    if (isGuardHelper(values))
+      return values.predicate(guardMap != null ? guardMap : {})(context, event);
+    return values;
+  };
+}
+
+// src/guard-utils.ts
+function or(...conditions) {
+  return {
+    predicate: (guards2) => (ctx, event) => conditions.map((condition) => {
+      var _a;
+      if (isString(condition)) {
+        return !!((_a = guards2[condition]) == null ? void 0 : _a.call(guards2, ctx, event));
+      }
+      if (isFunction(condition)) {
+        return condition(ctx, event);
+      }
+      return condition.predicate(guards2)(ctx, event);
+    }).some(Boolean)
+  };
+}
+function and(...conditions) {
+  return {
+    predicate: (guards2) => (ctx, event) => conditions.map((condition) => {
+      var _a;
+      if (isString(condition)) {
+        return !!((_a = guards2[condition]) == null ? void 0 : _a.call(guards2, ctx, event));
+      }
+      if (isFunction(condition)) {
+        return condition(ctx, event);
+      }
+      return condition.predicate(guards2)(ctx, event);
+    }).every(Boolean)
+  };
+}
+function not(condition) {
+  return {
+    predicate: (guardMap) => (ctx, event) => {
+      var _a;
+      if (isString(condition)) {
+        return !((_a = guardMap[condition]) == null ? void 0 : _a.call(guardMap, ctx, event));
+      }
+      if (isFunction(condition)) {
+        return !condition(ctx, event);
+      }
+      return !condition.predicate(guardMap)(ctx, event);
+    }
+  };
+}
+var guards = { or, and, not };
+function isGuardHelper2(value) {
+  return isObject(value) && value.predicate != null;
+}
+var TruthyGuard = () => true;
+function determineGuardFn(guard, guardMap) {
+  guard = guard != null ? guard : TruthyGuard;
+  return (context, event) => {
+    if (isString(guard)) {
+      const value = guardMap == null ? void 0 : guardMap[guard];
+      return isFunction(value) ? value(context, event) : value;
+    }
+    if (isGuardHelper2(guard)) {
+      return guard.predicate(guardMap != null ? guardMap : {})(context, event);
+    }
+    return guard == null ? void 0 : guard(context, event);
+  };
+}
+
+// ../../node_modules/klona/json/index.mjs
+function klona(val) {
+  var k, out, tmp;
+  if (Array.isArray(val)) {
+    out = Array(k = val.length);
+    while (k--)
+      out[k] = (tmp = val[k]) && typeof tmp === "object" ? klona(tmp) : tmp;
+    return out;
+  }
+  if (Object.prototype.toString.call(val) === "[object Object]") {
+    out = {};
+    for (k in val) {
+      if (k === "__proto__") {
+        Object.defineProperty(out, k, {
+          value: klona(val[k]),
+          configurable: true,
+          enumerable: true,
+          writable: true
+        });
+      } else {
+        out[k] = (tmp = val[k]) && typeof tmp === "object" ? klona(tmp) : tmp;
+      }
+    }
+    return out;
+  }
+  return val;
+}
+
+// src/machine.ts
+var import_utils9 = require("valtio/utils");
+var import_vanilla2 = require("valtio/vanilla");
+
+// src/create-proxy.ts
+var import_vanilla = require("valtio/vanilla");
+function createProxy(config) {
+  var _a;
+  const state = (0, import_vanilla.proxy)({
+    value: "",
+    previousValue: "",
+    event: cast({}),
+    context: (_a = config.context) != null ? _a : cast({}),
+    done: false,
+    tags: [],
+    hasTag(tag) {
+      return this.tags.includes(tag);
+    },
+    matches(...value) {
+      return value.includes(this.value);
+    },
+    can(event) {
+      return cast(this).nextEvents.includes(event);
+    },
+    get nextEvents() {
+      var _a2, _b, _c, _d;
+      const stateEvents = (_c = (_b = (_a2 = config.states) == null ? void 0 : _a2[this.value]) == null ? void 0 : _b["on"]) != null ? _c : {};
+      const globalEvents = (_d = config == null ? void 0 : config.on) != null ? _d : {};
+      return Object.keys(__spreadValues(__spreadValues({}, stateEvents), globalEvents));
+    },
+    get changed() {
+      if (this.event.value === "machine.init" /* Init */ || !this.previousValue)
+        return false;
+      return this.value !== this.previousValue;
+    }
+  });
+  return cast(state);
+}
+
+// src/delay-utils.ts
+function determineDelayFn(delay, delaysMap) {
+  return (context, event) => {
+    if (isNumber(delay))
+      return delay;
+    if (isFunction(delay)) {
+      return delay(context, event);
+    }
+    if (isString(delay)) {
+      const value = Number.parseFloat(delay);
+      if (!Number.isNaN(value)) {
+        return value;
+      }
+      if (delaysMap) {
+        const valueOrFn = delaysMap == null ? void 0 : delaysMap[delay];
+        if (valueOrFn == null) {
+          const msg = `[machine] Cannot determine delay for ${delay}. It doesn't exist in options.delays`;
+          throw new Error(msg);
+        }
+        return isFunction(valueOrFn) ? valueOrFn(context, event) : valueOrFn;
+      }
+    }
+  };
+}
+
+// src/utils.ts
+function toEvent(event) {
+  const obj = isString(event) ? { type: event } : event;
+  return obj;
+}
+function toArray(value) {
+  if (!value)
+    return [];
+  return isArray(value) ? value : [value];
+}
+
+// src/transition-utils.ts
+function toTarget(target) {
+  return isString(target) ? { target } : target;
+}
+function determineTransitionFn(transitions, guardMap) {
+  return (context, event) => {
+    return toArray(transitions).map(toTarget).find((transition) => {
+      var _a;
+      const determineGuard = determineGuardFn(transition.guard, guardMap);
+      const guard = determineGuard(context, event);
+      return (_a = guard != null ? guard : transition.target) != null ? _a : transition.actions;
+    });
+  };
+}
+function toTransition(transition, current) {
+  const _transition = isString(transition) ? toTarget(transition) : transition;
+  const fn = (t) => {
+    const isTargetless = t.actions && !t.target;
+    if (isTargetless && current)
+      t.target = current;
+    return t;
+  };
+  if (isArray(_transition)) {
+    return _transition.map(fn);
+  }
+  if (isObject(_transition)) {
+    return fn(cast(_transition));
+  }
+}
+
+// src/machine.ts
+var Machine = class {
+  constructor(config, options) {
+    this.config = config;
+    this.status = "Not Started" /* NotStarted */;
+    this.type = "machine" /* Machine */;
+    this.activityEvents = /* @__PURE__ */ new Map();
+    this.delayedEvents = /* @__PURE__ */ new Map();
+    this.stateListeners = /* @__PURE__ */ new Set();
+    this.eventListeners = /* @__PURE__ */ new Set();
+    this.doneListeners = /* @__PURE__ */ new Set();
+    this.contextWatchers = /* @__PURE__ */ new Set();
+    this.removeStateListener = noop;
+    this.removeEventListener = noop;
+    this.children = /* @__PURE__ */ new Map();
+    this.start = (init) => {
+      if (this.status === "Running" /* Running */) {
+        return this;
+      }
+      this.status = "Running" /* Running */;
+      const event = toEvent("machine.init" /* Init */);
+      if (init) {
+        const resolved = isObject(init) ? init : { context: this.config.context, value: init };
+        this.setState(resolved.value);
+        this.setContext(resolved.context);
+      }
+      const transition = {
+        target: !!init ? void 0 : this.config.initial
+      };
+      const info = this.getNextStateInfo(transition, event);
+      info.target = cast(info.target || transition.target);
+      this.initialState = info;
+      this.performStateChangeEffects(info.target, info, event);
+      this.removeStateListener = (0, import_vanilla2.subscribe)(this.state, () => {
+        this.stateListeners.forEach((listener) => {
+          listener(this.stateSnapshot);
+        });
+      }, this.sync);
+      this.removeEventListener = (0, import_utils9.subscribeKey)(this.state, "event", (value) => {
+        if (this.config.onEvent) {
+          this.executeActions(this.config.onEvent, value);
+        }
+        for (const listener of this.eventListeners) {
+          listener(value);
+        }
+      });
+      this.setupContextWatchers();
+      this.executeActivities(toEvent("machine.start" /* Start */), toArray(this.config.activities), "machine.start" /* Start */);
+      this.executeActions(this.config.entry, toEvent("machine.start" /* Start */));
+      return this;
+    };
+    this.setupContextWatchers = () => {
+      var _a;
+      for (const [key, fn] of Object.entries((_a = this.config.watch) != null ? _a : {})) {
+        this.contextWatchers.add((0, import_utils9.subscribeKey)(this.state.context, key, () => {
+          this.executeActions(fn, this.state.event);
+        }));
+      }
+    };
+    this.setupComputed = () => {
+      var _a;
+      const computed = cast((_a = this.config.computed) != null ? _a : {});
+      const deriveFns = Object.fromEntries(Object.entries(computed).map(([key, fn]) => [key, (get) => fn(get(this.state.context))]));
+      (0, import_utils9.derive)(deriveFns, { proxy: this.state.context });
+    };
+    this.detachComputed = () => {
+      (0, import_utils9.underive)(this.state.context, { delete: true });
+    };
+    this.stop = () => {
+      if (this.status === "Stopped" /* Stopped */)
+        return;
+      this.setState(null);
+      this.setEvent("machine.stop" /* Stop */);
+      if (this.config.context) {
+        this.setContext(this.config.context);
+      }
+      this.stopStateListeners();
+      this.stopChildren();
+      this.stopActivities();
+      this.stopDelayedEvents();
+      this.stopContextWatchers();
+      this.stopEventListeners();
+      this.detachComputed();
+      this.status = "Stopped" /* Stopped */;
+      this.executeActions(this.config.exit, toEvent("machine.stop" /* Stop */));
+      return this;
+    };
+    this.stopEventListeners = () => {
+      this.eventListeners.clear();
+      this.removeEventListener();
+    };
+    this.stopStateListeners = () => {
+      this.removeStateListener();
+      this.stateListeners.clear();
+    };
+    this.stopContextWatchers = () => {
+      this.contextWatchers.forEach((fn) => fn());
+      this.contextWatchers.clear();
+    };
+    this.stopDelayedEvents = () => {
+      this.delayedEvents.forEach((state) => {
+        state.forEach((stop) => stop());
+      });
+      this.delayedEvents.clear();
+    };
+    this.stopActivities = (state) => {
+      var _a, _b;
+      if (state) {
+        (_a = this.activityEvents.get(state)) == null ? void 0 : _a.forEach((stop) => stop());
+        (_b = this.activityEvents.get(state)) == null ? void 0 : _b.clear();
+        this.activityEvents.delete(state);
+      } else {
+        this.activityEvents.forEach((state2) => {
+          state2.forEach((stop) => stop());
+          state2.clear();
+        });
+        this.activityEvents.clear();
+      }
+    };
+    this.sendChild = (evt, to) => {
+      const event = toEvent(evt);
+      const id = runIfFn(to, this.contextSnapshot);
+      const child = this.children.get(id);
+      if (!child) {
+        invariant(`[machine/send-child] Cannot send '${event.type}' event to unknown child`);
+      }
+      child.send(event);
+    };
+    this.stopChild = (id) => {
+      if (!this.children.has(id)) {
+        invariant("[machine/stop-child] Cannot stop unknown child");
+      }
+      this.children.get(id).stop();
+      this.children.delete(id);
+    };
+    this.removeChild = (id) => {
+      this.children.delete(id);
+    };
+    this.stopChildren = () => {
+      this.children.forEach((child) => child.stop());
+      this.children.clear();
+    };
+    this.setParent = (parent) => {
+      this.parent = parent;
+    };
+    this.spawn = (src, id) => {
+      const actor = runIfFn(src);
+      if (id)
+        actor.id = id;
+      actor.type = "machine.actor" /* Actor */;
+      actor.setParent(this);
+      this.children.set(actor.id, cast(actor));
+      actor.onDone(() => {
+        this.removeChild(actor.id);
+      }).start();
+      return cast((0, import_vanilla2.ref)(actor));
+    };
+    this.addActivityCleanup = (state, cleanup) => {
+      var _a;
+      if (!state)
+        return;
+      if (!this.activityEvents.has(state)) {
+        this.activityEvents.set(state, /* @__PURE__ */ new Set([cleanup]));
+      } else {
+        (_a = this.activityEvents.get(state)) == null ? void 0 : _a.add(cleanup);
+      }
+    };
+    this.setState = (target) => {
+      this.state.previousValue = this.state.value;
+      this.state.value = target;
+      const stateNode = this.getStateNode(target);
+      if (target == null) {
+        clear(this.state.tags);
+      } else {
+        this.state.tags = toArray(stateNode == null ? void 0 : stateNode.tags);
+      }
+    };
+    this.setContext = (context) => {
+      for (const key in context) {
+        this.state.context[key] = context[key];
+      }
+    };
+    this.withContext = (context) => {
+      this.detachComputed();
+      const newContext = __spreadValues(__spreadValues({}, this.config.context), context);
+      return new Machine(__spreadProps(__spreadValues({}, this.config), { context: newContext }), this.options);
+    };
+    this.withOptions = (options) => {
+      this.detachComputed();
+      return new Machine(this.config, __spreadValues(__spreadValues({}, this.options), options));
+    };
+    this.setActions = (actions) => {
+      this.actionMap = __spreadValues(__spreadValues({}, this.actionMap), actions);
+    };
+    this.clone = () => {
+      this.detachComputed();
+      return new Machine(this.config, this.options);
+    };
+    this.getStateNode = (state) => {
+      var _a;
+      if (!state)
+        return;
+      return (_a = this.config.states) == null ? void 0 : _a[state];
+    };
+    this.getNextStateInfo = (transitions, event) => {
+      var _a;
+      const transition = this.determineTransition(transitions, event);
+      const target = (_a = transition == null ? void 0 : transition.target) != null ? _a : this.state.value;
+      const stateNode = this.getStateNode(target);
+      return {
+        transition,
+        stateNode,
+        target
+      };
+    };
+    this.getActionFromDelayedTransition = (transition) => {
+      const event = toEvent("machine.after" /* After */);
+      const determineDelay = determineDelayFn(transition.delay, this.delayMap);
+      const delay = determineDelay(this.contextSnapshot, event);
+      let id;
+      return {
+        entry: () => {
+          id = globalThis.setTimeout(() => {
+            const current = this.state.value;
+            const next = this.getNextStateInfo(transition, event);
+            this.performStateChangeEffects(current, next, event);
+          }, delay);
+        },
+        exit: () => {
+          globalThis.clearTimeout(id);
+        }
+      };
+    };
+    this.getDelayedEventActions = (state) => {
+      const stateNode = this.getStateNode(state);
+      const event = toEvent("machine.after" /* After */);
+      if (!stateNode || !stateNode.after)
+        return;
+      const entries = [];
+      const exits = [];
+      if (isArray(stateNode.after)) {
+        const transition = this.determineTransition(stateNode.after, event);
+        if (!transition)
+          return;
+        const actions = this.getActionFromDelayedTransition(transition);
+        entries.push(actions.entry);
+        exits.push(actions.exit);
+      } else if (isObject(stateNode.after)) {
+        for (const delay in stateNode.after) {
+          const transition = stateNode.after[delay];
+          let resolvedTransition = {};
+          if (isArray(transition)) {
+            const picked = this.determineTransition(transition, event);
+            if (picked)
+              resolvedTransition = picked;
+          } else if (isString(transition)) {
+            resolvedTransition = { target: transition, delay };
+          } else {
+            resolvedTransition = __spreadProps(__spreadValues({}, transition), { delay });
+          }
+          const actions = this.getActionFromDelayedTransition(resolvedTransition);
+          entries.push(actions.entry);
+          exits.push(actions.exit);
+        }
+      }
+      return { entries, exits };
+    };
+    this.executeActions = (actions, event) => {
+      var _a;
+      const _actions = determineActionsFn(actions, this.guardMap)(this.contextSnapshot, event);
+      for (const action of toArray(_actions)) {
+        const fn = isString(action) ? (_a = this.actionMap) == null ? void 0 : _a[action] : action;
+        warn(isString(action) && !fn, `[machine/exec-action] No implementation found for action: \`${action}\``);
+        fn == null ? void 0 : fn(this.state.context, event, this.meta);
+      }
+    };
+    this.executeActivities = (event, activities, state) => {
+      var _a;
+      for (const activity of activities) {
+        const fn = isString(activity) ? (_a = this.activityMap) == null ? void 0 : _a[activity] : activity;
+        if (!fn) {
+          warn(`[machine/exec-activity] No implementation found for activity: \`${activity}\``);
+          continue;
+        }
+        const cleanup = fn(this.state.context, event, this.meta);
+        if (cleanup) {
+          this.addActivityCleanup(state != null ? state : this.state.value, cleanup);
+        }
+      }
+    };
+    this.createEveryActivities = (every, callbackfn) => {
+      if (!every)
+        return;
+      const event = toEvent("machine.every" /* Every */);
+      if (isArray(every)) {
+        const picked = toArray(every).find((t) => {
+          const determineDelay2 = determineDelayFn(t.delay, this.delayMap);
+          t.delay = determineDelay2(this.contextSnapshot, event);
+          const determineGuard = determineGuardFn(t.guard, this.guardMap);
+          const guard = determineGuard(this.contextSnapshot, event);
+          return guard != null ? guard : t.delay;
+        });
+        if (!picked)
+          return;
+        const determineDelay = determineDelayFn(picked.delay, this.delayMap);
+        const delay = determineDelay(this.contextSnapshot, event);
+        const activity = () => {
+          const id = globalThis.setInterval(() => {
+            this.executeActions(picked.actions, event);
+          }, delay);
+          return () => {
+            globalThis.clearInterval(id);
+          };
+        };
+        callbackfn(activity);
+      } else {
+        for (const interval in every) {
+          const actions = every == null ? void 0 : every[interval];
+          const determineDelay = determineDelayFn(interval, this.delayMap);
+          const delay = determineDelay(this.contextSnapshot, event);
+          const activity = () => {
+            const id = globalThis.setInterval(() => {
+              this.executeActions(actions, event);
+            }, delay);
+            return () => {
+              globalThis.clearInterval(id);
+            };
+          };
+          callbackfn(activity);
+        }
+      }
+    };
+    this.setEvent = (event) => {
+      this.state.event = (0, import_vanilla2.ref)(toEvent(event));
+    };
+    this.performExitEffects = (current, event) => {
+      const currentState = this.state.value;
+      const stateNode = current ? this.getStateNode(current) : void 0;
+      this.stopActivities(currentState);
+      const _exit = determineActionsFn(stateNode == null ? void 0 : stateNode.exit, this.guardMap)(this.contextSnapshot, event);
+      const exitActions = toArray(_exit);
+      const afterExitActions = this.delayedEvents.get(currentState);
+      if (afterExitActions) {
+        exitActions.push(...afterExitActions);
+      }
+      this.executeActions(exitActions, event);
+      this.eventListeners.clear();
+    };
+    this.performEntryEffects = (next, event) => {
+      const stateNode = this.getStateNode(next);
+      const activities = toArray(stateNode == null ? void 0 : stateNode.activities);
+      this.createEveryActivities(stateNode == null ? void 0 : stateNode.every, (activity) => {
+        activities.unshift(activity);
+      });
+      if (activities.length > 0) {
+        this.executeActivities(event, activities);
+      }
+      const _entry = determineActionsFn(stateNode == null ? void 0 : stateNode.entry, this.guardMap)(this.contextSnapshot, event);
+      const entryActions = toArray(_entry);
+      const afterActions = this.getDelayedEventActions(next);
+      if ((stateNode == null ? void 0 : stateNode.after) && afterActions) {
+        this.delayedEvents.set(next, afterActions == null ? void 0 : afterActions.exits);
+        entryActions.push(...afterActions.entries);
+      }
+      this.executeActions(entryActions, event);
+      if ((stateNode == null ? void 0 : stateNode.type) === "final") {
+        this.state.done = true;
+        this.doneListeners.forEach((listener) => {
+          listener(this.stateSnapshot);
+        });
+        this.stop();
+      }
+    };
+    this.performTransitionEffects = (transition, event) => {
+      const t = this.determineTransition(transition, event);
+      this.executeActions(t == null ? void 0 : t.actions, event);
+    };
+    this.performStateChangeEffects = (current, next, event) => {
+      var _a, _b;
+      this.setEvent(event);
+      next.target = (_b = (_a = next.target) != null ? _a : this.state.value) != null ? _b : void 0;
+      const ok = next.target && next.target !== this.state.value;
+      if (ok) {
+        this.performExitEffects(current, event);
+      }
+      this.performTransitionEffects(next == null ? void 0 : next.transition, event);
+      this.setState(next.target);
+      if (ok) {
+        this.performEntryEffects(next.target, event);
+      }
+    };
+    this.determineTransition = (transition, event) => {
+      const fn = determineTransitionFn(transition, this.guardMap);
+      return fn == null ? void 0 : fn(this.contextSnapshot, event);
+    };
+    this.sendParent = (evt) => {
+      var _a;
+      if (!this.parent) {
+        invariant("[machine/send-parent] Cannot send event to an unknown parent");
+      }
+      const event = toEvent(evt);
+      (_a = this.parent) == null ? void 0 : _a.send(event);
+    };
+    this.send = (evt) => {
+      const event = toEvent(evt);
+      this.transition(this.state.value, event);
+    };
+    this.transition = (state, evt) => {
+      var _a, _b, _c;
+      const stateNode = isString(state) ? this.getStateNode(state) : state == null ? void 0 : state.stateNode;
+      const event = toEvent(evt);
+      if (!stateNode && !this.config.on) {
+        const msg = this.status === "Stopped" /* Stopped */ ? "[machine/transition] Cannot transition a stopped machine" : "[machine/transition] State does not have a definition";
+        warn(msg);
+        return;
+      }
+      const transitionConfig = (_c = (_a = stateNode == null ? void 0 : stateNode.on) == null ? void 0 : _a[event.type]) != null ? _c : (_b = this.config.on) == null ? void 0 : _b[event.type];
+      const transition = toTransition(transitionConfig, this.state.value);
+      if (!transition)
+        return;
+      const info = this.getNextStateInfo(transition, event);
+      this.performStateChangeEffects(this.state.value, info, event);
+      return info.stateNode;
+    };
+    this.subscribe = (listener) => {
+      this.stateListeners.add(listener);
+      if (this.status === "Running" /* Running */) {
+        listener(this.stateSnapshot);
+      }
+      return () => {
+        this.stateListeners.delete(listener);
+      };
+    };
+    this.onDone = (listener) => {
+      this.doneListeners.add(listener);
+      return this;
+    };
+    this.onTransition = (listener) => {
+      this.stateListeners.add(listener);
+      if (this.status === "Running" /* Running */) {
+        listener(this.stateSnapshot);
+      }
+      return this;
+    };
+    this.onEvent = (listener) => {
+      listener(this.state.event);
+      this.eventListeners.add(listener);
+      return this;
+    };
+    var _a, _b, _c, _d, _e, _f, _g, _h, _i, _j, _k;
+    this.options = klona(options);
+    this.id = (_a = config.id) != null ? _a : `machine-${uuid()}`;
+    this.guardMap = (_c = (_b = this.options) == null ? void 0 : _b.guards) != null ? _c : {};
+    this.actionMap = (_e = (_d = this.options) == null ? void 0 : _d.actions) != null ? _e : {};
+    this.delayMap = (_g = (_f = this.options) == null ? void 0 : _f.delays) != null ? _g : {};
+    this.activityMap = (_i = (_h = this.options) == null ? void 0 : _h.activities) != null ? _i : {};
+    this.sync = (_k = (_j = this.options) == null ? void 0 : _j.sync) != null ? _k : false;
+    this.state = createProxy(klona(config));
+    this.setupComputed();
+    const event = toEvent("machine.created" /* Created */);
+    this.executeActions(config == null ? void 0 : config.created, event);
+  }
+  get stateSnapshot() {
+    return cast((0, import_vanilla2.snapshot)(this.state));
+  }
+  get contextSnapshot() {
+    return this.stateSnapshot.context;
+  }
+  get self() {
+    const _self = this;
+    return {
+      id: this.id,
+      send: this.send.bind(this),
+      sendParent: this.sendParent.bind(this),
+      sendChild: this.sendChild.bind(this),
+      stop: this.stop.bind(this),
+      stopChild: this.stopChild.bind(this),
+      spawn: this.spawn.bind(this),
+      get state() {
+        return _self.stateSnapshot;
+      }
+    };
+  }
+  get meta() {
+    return {
+      state: this.stateSnapshot,
+      guards: this.guardMap,
+      send: this.send.bind(this),
+      listen: this.onEvent.bind(this),
+      self: this.self,
+      getState: () => this.stateSnapshot
+    };
+  }
+};
+var createMachine = (config, options) => new Machine(config, options);
+
+// src/merge-props.ts
+var clsx = (...args) => args.map((str) => str == null ? void 0 : str.trim()).filter(Boolean).join(" ");
+function mergeProps(...args) {
+  var _a, _b;
+  let result = {};
+  for (let props of args) {
+    for (let key in result) {
+      if (/^on[A-Z]/.test(key) && typeof result[key] === "function" && typeof props[key] === "function") {
+        result[key] = callAll(result[key], props[key]);
+        continue;
+      }
+      if (key === "className" || key === "class") {
+        result[key] = clsx(result[key], props[key]);
+        continue;
+      }
+      if (key === "style") {
+        result[key] = Object.assign({}, (_a = result[key]) != null ? _a : {}, (_b = props[key]) != null ? _b : {});
+        continue;
+      }
+      result[key] = props[key] !== void 0 ? props[key] : result[key];
+    }
+    for (let key in props) {
+      if (result[key] === void 0) {
+        result[key] = props[key];
+      }
+    }
+  }
+  return result;
+}
 //# sourceMappingURL=index.js.map

dist/machine.d.ts

@@ -123,1 +123,2 @@ import { Dict, MachineStatus, MachineType, StateMachine as S, Writable } from "./types";
 export declare const createMachine: <TContext extends Dict<any>, TState extends S.StateSchema = S.StateSchema, TEvent extends S.EventObject = S.AnyEventObject>(config: S.MachineConfig<TContext, TState, TEvent>, options?: S.MachineOptions<TContext, TState, TEvent>) => Machine<TContext, TState, TEvent>;
+//# sourceMappingURL=machine.d.ts.map

dist/merge-props.d.ts

@@ -8,1 +8,2 @@ interface Props {
 export {};
+//# sourceMappingURL=merge-props.d.ts.map

dist/transition-utils.d.ts

@@ -15,1 +15,2 @@ import type { StateMachine as S } from "./types";
 export declare function toTransition<TContext, TState extends S.StateSchema, TEvent extends S.EventObject>(transition: S.Transitions<TContext, TState, TEvent> | undefined, current?: TState["value"] | null): S.TransitionDefinition<TContext, TState, TEvent> | S.TransitionDefinition<TContext, TState, TEvent>[];
+//# sourceMappingURL=transition-utils.d.ts.map

dist/types.d.ts

@@ -258,1 +258,2 @@ export declare type Dict<T = any> = Record<string, T>;
 export {};
+//# sourceMappingURL=types.d.ts.map

dist/utils.d.ts

 import type { StateMachine as S } from "./types";
 export declare function toEvent<T extends S.EventObject>(event: S.Event<T>): T;
 export declare function toArray<T>(value: T | T[] | undefined): T[];
+//# sourceMappingURL=utils.d.ts.map

package.json

 {
   "name": "@zag-js/core",
-  "version": "0.0.0-dev-20220413091534",
+  "version": "0.0.0-dev-20220413174154",
   "description": "A minimal implementation of xstate fsm for UI machines",
@@ -14,3 +14,3 @@ "keywords": [
   "author": "Segun Adebayo <[e-mail]>",
-  "homepage": "https://github.com/chakra-ui/core#readme",
+  "homepage": "https://github.com/chakra-ui/zag#readme",
   "license": "MIT",
@@ -20,10 +20,16 @@ "main": "dist/index.js",
   "types": "dist/index.d.ts",
-  "repository": "https://github.com/chakra-ui/core/tree/main/packages/machine",
+  "repository": "https://github.com/chakra-ui/zag/tree/main/packages/machine",
   "sideEffects": false,
   "files": [
-    "src",
-    "dist",
-    "package.json",
-    "README.md"
+    "dist/**/*"
   ],
+  "scripts": {
+    "build:fast": "zag build",
+    "start": "zag build --watch",
+    "build": "zag build --prod",
+    "test": "jest --config ../../jest.config.js --rootDir . --passWithNoTests",
+    "lint": "eslint src --ext .ts,.tsx",
+    "test:ci": "yarn test --ci --runInBand",
+    "test:watch": "yarn test --watch --updateSnapshot"
+  },
   "publishConfig": {
@@ -33,9 +39,9 @@ "access": "public"
   "bugs": {
-    "url": "https://github.com/chakra-ui/core/issues"
+    "url": "https://github.com/chakra-ui/zag/issues"
   },
   "dependencies": {
-    "@zag-js/utils": "^0.0.0-dev-20220413091534",
+    "@zag-js/utils": "^0.0.0-dev-20220413174154",
     "klona": "^2.0.5",
     "valtio": "^1.5.2"
   }
-}
+}

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Dependency changes

• Updated@zag-js/utils@^0.0.0-dev-20220413174154