feature: vor und nachteile

praesentation/node_modules/alien-signals/cjs/computed.d.ts

@@ -0,0 +1,19 @@
+import { DirtyLevels, IComputed, Link } from './system.js';
+export interface ISignal<T = any> {
+    get(): T;
+}
+export declare function computed<T>(getter: (cachedValue?: T) => T): ISignal<T>;
+export declare class Computed<T = any> implements IComputed {
+    getter: (cachedValue?: T) => T;
+    cachedValue: T | undefined;
+    subs: Link | undefined;
+    subsTail: Link | undefined;
+    deps: Link | undefined;
+    depsTail: Link | undefined;
+    trackId: number;
+    dirtyLevel: DirtyLevels;
+    canPropagate: boolean;
+    constructor(getter: (cachedValue?: T) => T);
+    get(): T;
+    update(): void;
+}

praesentation/node_modules/alien-signals/cjs/computed.js

@@ -0,0 +1,60 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Computed = void 0;
+exports.computed = computed;
+const system_js_1 = require("./system.js");
+function computed(getter) {
+    return new Computed(getter);
+}
+class Computed {
+    constructor(getter) {
+        this.getter = getter;
+        this.cachedValue = undefined;
+        // Dependency
+        this.subs = undefined;
+        this.subsTail = undefined;
+        // Subscriber
+        this.deps = undefined;
+        this.depsTail = undefined;
+        this.trackId = 0;
+        this.dirtyLevel = 3 /* DirtyLevels.Dirty */;
+        this.canPropagate = false;
+    }
+    get() {
+        let dirtyLevel = this.dirtyLevel;
+        if (dirtyLevel === 2 /* DirtyLevels.MaybeDirty */) {
+            system_js_1.Subscriber.resolveMaybeDirty(this);
+            dirtyLevel = this.dirtyLevel;
+        }
+        if (dirtyLevel >= 3 /* DirtyLevels.Dirty */) {
+            this.update();
+        }
+        const activeTrackId = system_js_1.System.activeTrackId;
+        if (activeTrackId !== 0) {
+            const subsTail = this.subsTail;
+            if (subsTail === undefined || subsTail.trackId !== activeTrackId) {
+                system_js_1.Dependency.link(this, system_js_1.System.activeSub);
+            }
+        }
+        return this.cachedValue;
+    }
+    update() {
+        const prevSub = system_js_1.Subscriber.startTrack(this);
+        const oldValue = this.cachedValue;
+        let newValue;
+        try {
+            newValue = this.getter(oldValue);
+        }
+        finally {
+            system_js_1.Subscriber.endTrack(this, prevSub);
+        }
+        if (oldValue !== newValue) {
+            this.cachedValue = newValue;
+            const subs = this.subs;
+            if (subs !== undefined) {
+                system_js_1.Dependency.propagate(subs);
+            }
+        }
+    }
+}
+exports.Computed = Computed;

praesentation/node_modules/alien-signals/cjs/effect.d.ts

@@ -0,0 +1,17 @@
+import { DirtyLevels, IEffect, Link } from './system.js';
+export declare function effect(fn: () => void): Effect<void>;
+export declare class Effect<T = any> implements IEffect {
+    fn: () => T;
+    nextNotify: IEffect | undefined;
+    subs: Link | undefined;
+    subsTail: Link | undefined;
+    deps: Link | undefined;
+    depsTail: Link | undefined;
+    trackId: number;
+    dirtyLevel: DirtyLevels;
+    canPropagate: boolean;
+    constructor(fn: () => T);
+    notify(): void;
+    run(): T;
+    stop(): void;
+}

praesentation/node_modules/alien-signals/cjs/effect.js

@@ -0,0 +1,78 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Effect = void 0;
+exports.effect = effect;
+const effectScope_js_1 = require("./effectScope.js");
+const system_js_1 = require("./system.js");
+function effect(fn) {
+    const e = new Effect(fn);
+    e.run();
+    return e;
+}
+class Effect {
+    constructor(fn) {
+        this.fn = fn;
+        this.nextNotify = undefined;
+        // Dependency
+        this.subs = undefined;
+        this.subsTail = undefined;
+        // Subscriber
+        this.deps = undefined;
+        this.depsTail = undefined;
+        this.trackId = 0;
+        this.dirtyLevel = 3 /* DirtyLevels.Dirty */;
+        this.canPropagate = false;
+        const activeTrackId = system_js_1.System.activeTrackId;
+        if (activeTrackId !== 0) {
+            system_js_1.Dependency.link(this, system_js_1.System.activeSub);
+            return;
+        }
+        if (effectScope_js_1.activeEffectScope !== undefined) {
+            const subsTail = this.subsTail;
+            if (subsTail === undefined || subsTail.trackId !== effectScope_js_1.activeEffectScope.trackId) {
+                system_js_1.Dependency.link(this, effectScope_js_1.activeEffectScope);
+            }
+        }
+    }
+    notify() {
+        let dirtyLevel = this.dirtyLevel;
+        if (dirtyLevel > 0 /* DirtyLevels.None */) {
+            if (dirtyLevel === 2 /* DirtyLevels.MaybeDirty */) {
+                system_js_1.Subscriber.resolveMaybeDirty(this);
+                dirtyLevel = this.dirtyLevel;
+            }
+            if (dirtyLevel === 3 /* DirtyLevels.Dirty */) {
+                this.run();
+            }
+            else {
+                this.dirtyLevel = 0 /* DirtyLevels.None */;
+                let link = this.deps;
+                while (link !== undefined) {
+                    const dep = link.dep;
+                    if ('notify' in dep) {
+                        dep.notify();
+                    }
+                    link = link.nextDep;
+                }
+            }
+        }
+    }
+    run() {
+        const prevSub = system_js_1.Subscriber.startTrack(this);
+        try {
+            return this.fn();
+        }
+        finally {
+            system_js_1.Subscriber.endTrack(this, prevSub);
+        }
+    }
+    stop() {
+        if (this.deps !== undefined) {
+            system_js_1.Subscriber.clearTrack(this.deps);
+            this.deps = undefined;
+            this.depsTail = undefined;
+        }
+        this.dirtyLevel = 3 /* DirtyLevels.Dirty */;
+    }
+}
+exports.Effect = Effect;

praesentation/node_modules/alien-signals/cjs/effectScope.d.ts

@@ -0,0 +1,13 @@
+import { DirtyLevels, Link, Subscriber } from './system.js';
+export declare let activeEffectScope: EffectScope | undefined;
+export declare function effectScope(): EffectScope;
+export declare class EffectScope implements Subscriber {
+    deps: Link | undefined;
+    depsTail: Link | undefined;
+    trackId: number;
+    dirtyLevel: DirtyLevels;
+    canPropagate: boolean;
+    notify(): void;
+    run<T>(fn: () => T): T;
+    stop(): void;
+}

praesentation/node_modules/alien-signals/cjs/effectScope.js

@@ -0,0 +1,53 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.EffectScope = exports.activeEffectScope = void 0;
+exports.effectScope = effectScope;
+const system_js_1 = require("./system.js");
+exports.activeEffectScope = undefined;
+function effectScope() {
+    return new EffectScope();
+}
+class EffectScope {
+    constructor() {
+        // Subscriber
+        this.deps = undefined;
+        this.depsTail = undefined;
+        this.trackId = -(++system_js_1.System.lastTrackId);
+        this.dirtyLevel = 0 /* DirtyLevels.None */;
+        this.canPropagate = false;
+    }
+    notify() {
+        if (this.dirtyLevel !== 0 /* DirtyLevels.None */) {
+            this.dirtyLevel = 0 /* DirtyLevels.None */;
+            let link = this.deps;
+            while (link !== undefined) {
+                const dep = link.dep;
+                if ('notify' in dep) {
+                    dep.notify();
+                }
+                link = link.nextDep;
+            }
+        }
+    }
+    run(fn) {
+        const prevSub = exports.activeEffectScope;
+        exports.activeEffectScope = this;
+        this.trackId = Math.abs(this.trackId);
+        try {
+            return fn();
+        }
+        finally {
+            exports.activeEffectScope = prevSub;
+            this.trackId = -Math.abs(this.trackId);
+        }
+    }
+    stop() {
+        if (this.deps !== undefined) {
+            system_js_1.Subscriber.clearTrack(this.deps);
+            this.deps = undefined;
+            this.depsTail = undefined;
+        }
+        this.dirtyLevel = 0 /* DirtyLevels.None */;
+    }
+}
+exports.EffectScope = EffectScope;

praesentation/node_modules/alien-signals/cjs/index.d.ts

@@ -0,0 +1,6 @@
+export * from './computed.js';
+export * from './effect.js';
+export * from './effectScope.js';
+export * from './signal.js';
+export * from './system.js';
+export * as Unstable from './unstable/index.js';

praesentation/node_modules/alien-signals/cjs/index.js

@@ -0,0 +1,23 @@
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __exportStar = (this && this.__exportStar) || function(m, exports) {
+    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Unstable = void 0;
+__exportStar(require("./computed.js"), exports);
+__exportStar(require("./effect.js"), exports);
+__exportStar(require("./effectScope.js"), exports);
+__exportStar(require("./signal.js"), exports);
+__exportStar(require("./system.js"), exports);
+exports.Unstable = require("./unstable/index.js");

praesentation/node_modules/alien-signals/cjs/signal.d.ts

@@ -0,0 +1,15 @@
+import { ISignal } from './computed.js';
+import { Dependency, Link } from './system.js';
+export interface IWritableSignal<T = any> extends ISignal<T> {
+    set(value: T): void;
+}
+export declare function signal<T>(): Signal<T | undefined>;
+export declare function signal<T>(oldValue: T): Signal<T>;
+export declare class Signal<T = any> implements Dependency {
+    currentValue: T;
+    subs: Link | undefined;
+    subsTail: Link | undefined;
+    constructor(currentValue: T);
+    get(): NonNullable<T>;
+    set(value: T): void;
+}

praesentation/node_modules/alien-signals/cjs/signal.js

@@ -0,0 +1,37 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Signal = void 0;
+exports.signal = signal;
+const system_js_1 = require("./system.js");
+function signal(oldValue) {
+    return new Signal(oldValue);
+}
+class Signal {
+    constructor(currentValue) {
+        this.currentValue = currentValue;
+        // Dependency
+        this.subs = undefined;
+        this.subsTail = undefined;
+    }
+    get() {
+        const activeTrackId = system_js_1.System.activeTrackId;
+        if (activeTrackId !== 0) {
+            const subsTail = this.subsTail;
+            if (subsTail === undefined || subsTail.trackId !== activeTrackId) {
+                system_js_1.Dependency.link(this, system_js_1.System.activeSub);
+            }
+        }
+        return this.currentValue;
+    }
+    set(value) {
+        if (this.currentValue !== (this.currentValue = value)) {
+            const subs = this.subs;
+            if (subs !== undefined) {
+                (0, system_js_1.startBatch)();
+                system_js_1.Dependency.propagate(subs);
+                (0, system_js_1.endBatch)();
+            }
+        }
+    }
+}
+exports.Signal = Signal;

praesentation/node_modules/alien-signals/cjs/system.d.ts

@@ -0,0 +1,69 @@
+export interface IEffect extends Dependency, Subscriber {
+    nextNotify: IEffect | undefined;
+    notify(): void;
+}
+export interface IComputed extends Dependency, Subscriber {
+    update(): void;
+}
+export interface Dependency {
+    subs: Link | undefined;
+    subsTail: Link | undefined;
+}
+export interface Subscriber {
+    trackId: number;
+    canPropagate: boolean;
+    dirtyLevel: DirtyLevels;
+    deps: Link | undefined;
+    depsTail: Link | undefined;
+}
+export interface Link {
+    dep: Dependency | IComputed | IEffect;
+    sub: Subscriber | IComputed | IEffect;
+    trackId: number;
+    prevSub: Link | undefined;
+    nextSub: Link | undefined;
+    nextDep: Link | undefined;
+}
+export declare const enum DirtyLevels {
+    None = 0,
+    SideEffectsOnly = 1,
+    MaybeDirty = 2,
+    Dirty = 3
+}
+export declare namespace System {
+    let activeSub: Subscriber | undefined;
+    let activeTrackId: number;
+    let batchDepth: number;
+    let lastTrackId: number;
+    let queuedEffects: IEffect | undefined;
+    let queuedEffectsTail: IEffect | undefined;
+}
+export declare function startBatch(): void;
+export declare function endBatch(): void;
+export declare namespace Link {
+    function get(dep: Dependency, sub: Subscriber, nextDep: Link | undefined): Link;
+    function release(link: Link): void;
+}
+export declare namespace Dependency {
+    /**
+     * @deprecated Use `startTrack` instead.
+     */
+    function linkSubscriber(dep: Dependency, sub: Subscriber): void;
+    function link(dep: Dependency, sub: Subscriber): void;
+    function propagate(subs: Link): void;
+}
+export declare namespace Subscriber {
+    function resolveMaybeDirty(sub: IComputed | IEffect, depth?: number): void;
+    function resolveMaybeDirtyNonRecursive(sub: IComputed | IEffect): void;
+    /**
+     * @deprecated Use `startTrack` instead.
+     */
+    function startTrackDependencies(sub: Subscriber): Subscriber | undefined;
+    /**
+     * @deprecated Use `endTrack` instead.
+     */
+    function endTrackDependencies(sub: Subscriber, prevSub: Subscriber | undefined): void;
+    function startTrack(sub: Subscriber): Subscriber | undefined;
+    function endTrack(sub: Subscriber, prevSub: Subscriber | undefined): void;
+    function clearTrack(link: Link): void;
+}

praesentation/node_modules/alien-signals/cjs/system.js

@@ -0,0 +1,402 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Subscriber = exports.Dependency = exports.Link = exports.System = void 0;
+exports.startBatch = startBatch;
+exports.endBatch = endBatch;
+var System;
+(function (System) {
+    System.activeSub = undefined;
+    System.activeTrackId = 0;
+    System.batchDepth = 0;
+    System.lastTrackId = 0;
+    System.queuedEffects = undefined;
+    System.queuedEffectsTail = undefined;
+})(System || (exports.System = System = {}));
+function startBatch() {
+    System.batchDepth++;
+}
+function endBatch() {
+    System.batchDepth--;
+    if (System.batchDepth === 0) {
+        while (System.queuedEffects !== undefined) {
+            const effect = System.queuedEffects;
+            const queuedNext = System.queuedEffects.nextNotify;
+            if (queuedNext !== undefined) {
+                System.queuedEffects.nextNotify = undefined;
+                System.queuedEffects = queuedNext;
+            }
+            else {
+                System.queuedEffects = undefined;
+                System.queuedEffectsTail = undefined;
+            }
+            effect.notify();
+        }
+    }
+}
+var Link;
+(function (Link) {
+    let pool = undefined;
+    function get(dep, sub, nextDep) {
+        if (pool !== undefined) {
+            const newLink = pool;
+            pool = newLink.nextDep;
+            newLink.nextDep = nextDep;
+            newLink.dep = dep;
+            newLink.sub = sub;
+            newLink.trackId = sub.trackId;
+            return newLink;
+        }
+        else {
+            return {
+                dep,
+                sub,
+                trackId: sub.trackId,
+                nextDep: nextDep,
+                prevSub: undefined,
+                nextSub: undefined,
+            };
+        }
+    }
+    Link.get = get;
+    function release(link) {
+        const dep = link.dep;
+        const nextSub = link.nextSub;
+        const prevSub = link.prevSub;
+        if (nextSub !== undefined) {
+            nextSub.prevSub = prevSub;
+        }
+        if (prevSub !== undefined) {
+            prevSub.nextSub = nextSub;
+        }
+        if (nextSub === undefined) {
+            dep.subsTail = prevSub;
+        }
+        if (prevSub === undefined) {
+            dep.subs = nextSub;
+        }
+        // @ts-expect-error
+        link.dep = undefined;
+        // @ts-expect-error
+        link.sub = undefined;
+        link.prevSub = undefined;
+        link.nextSub = undefined;
+        link.nextDep = pool;
+        pool = link;
+    }
+    Link.release = release;
+})(Link || (exports.Link = Link = {}));
+var Dependency;
+(function (Dependency) {
+    const system = System;
+    /**
+     * @deprecated Use `startTrack` instead.
+     */
+    function linkSubscriber(dep, sub) {
+        return link(dep, sub);
+    }
+    Dependency.linkSubscriber = linkSubscriber;
+    function link(dep, sub) {
+        const depsTail = sub.depsTail;
+        const old = depsTail !== undefined
+            ? depsTail.nextDep
+            : sub.deps;
+        if (old === undefined || old.dep !== dep) {
+            const newLink = Link.get(dep, sub, old);
+            if (depsTail === undefined) {
+                sub.deps = newLink;
+            }
+            else {
+                depsTail.nextDep = newLink;
+            }
+            if (dep.subs === undefined) {
+                dep.subs = newLink;
+            }
+            else {
+                const oldTail = dep.subsTail;
+                newLink.prevSub = oldTail;
+                oldTail.nextSub = newLink;
+            }
+            sub.depsTail = newLink;
+            dep.subsTail = newLink;
+        }
+        else {
+            old.trackId = sub.trackId;
+            sub.depsTail = old;
+        }
+    }
+    Dependency.link = link;
+    function propagate(subs) {
+        let link = subs;
+        let dep = subs.dep;
+        let dirtyLevel = 3 /* DirtyLevels.Dirty */;
+        let remainingQuantity = 0;
+        do {
+            if (link !== undefined) {
+                const sub = link.sub;
+                const subTrackId = sub.trackId;
+                if (subTrackId > 0) {
+                    if (subTrackId === link.trackId) {
+                        const subDirtyLevel = sub.dirtyLevel;
+                        if (subDirtyLevel < dirtyLevel) {
+                            sub.dirtyLevel = dirtyLevel;
+                            if (subDirtyLevel === 0 /* DirtyLevels.None */) {
+                                sub.canPropagate = true;
+                                if ('subs' in sub && sub.subs !== undefined) {
+                                    sub.depsTail.nextDep = link;
+                                    dep = sub;
+                                    link = sub.subs;
+                                    if ('notify' in sub) {
+                                        dirtyLevel = 1 /* DirtyLevels.SideEffectsOnly */;
+                                    }
+                                    else {
+                                        dirtyLevel = 2 /* DirtyLevels.MaybeDirty */;
+                                    }
+                                    remainingQuantity++;
+                                    continue;
+                                }
+                            }
+                        }
+                    }
+                }
+                else if (subTrackId === -link.trackId) {
+                    const subDirtyLevel = sub.dirtyLevel;
+                    const notDirty = subDirtyLevel === 0 /* DirtyLevels.None */;
+                    if (subDirtyLevel < dirtyLevel) {
+                        sub.dirtyLevel = dirtyLevel;
+                    }
+                    if (notDirty || sub.canPropagate) {
+                        if (!notDirty) {
+                            sub.canPropagate = false;
+                        }
+                        if ('subs' in sub && sub.subs !== undefined) {
+                            sub.depsTail.nextDep = link;
+                            dep = sub;
+                            link = sub.subs;
+                            if ('notify' in sub) {
+                                dirtyLevel = 1 /* DirtyLevels.SideEffectsOnly */;
+                            }
+                            else {
+                                dirtyLevel = 2 /* DirtyLevels.MaybeDirty */;
+                            }
+                            remainingQuantity++;
+                            continue;
+                        }
+                        else if ('notify' in sub) {
+                            const queuedEffectsTail = system.queuedEffectsTail;
+                            if (queuedEffectsTail !== undefined) {
+                                queuedEffectsTail.nextNotify = sub;
+                            }
+                            else {
+                                system.queuedEffects = sub;
+                            }
+                            system.queuedEffectsTail = sub;
+                        }
+                    }
+                }
+                link = link.nextSub;
+                continue;
+            }
+            if (remainingQuantity !== 0) {
+                const depsTail = dep.depsTail;
+                const prevLink = depsTail.nextDep;
+                const prevSub = prevLink.sub;
+                depsTail.nextDep = undefined;
+                dep = prevLink.dep;
+                link = prevLink.nextSub;
+                remainingQuantity--;
+                if (remainingQuantity === 0) {
+                    dirtyLevel = 3 /* DirtyLevels.Dirty */;
+                }
+                else if ('notify' in dep) {
+                    dirtyLevel = 1 /* DirtyLevels.SideEffectsOnly */;
+                }
+                else {
+                    dirtyLevel = 2 /* DirtyLevels.MaybeDirty */;
+                }
+                if ('notify' in prevSub) {
+                    const queuedEffectsTail = system.queuedEffectsTail;
+                    if (queuedEffectsTail !== undefined) {
+                        queuedEffectsTail.nextNotify = prevSub;
+                    }
+                    else {
+                        system.queuedEffects = prevSub;
+                    }
+                    system.queuedEffectsTail = prevSub;
+                }
+                continue;
+            }
+            break;
+        } while (true);
+    }
+    Dependency.propagate = propagate;
+})(Dependency || (exports.Dependency = Dependency = {}));
+var Subscriber;
+(function (Subscriber) {
+    const system = System;
+    function resolveMaybeDirty(sub, depth = 0) {
+        let link = sub.deps;
+        while (link !== undefined) {
+            const dep = link.dep;
+            if ('update' in dep) {
+                let dirtyLevel = dep.dirtyLevel;
+                if (dirtyLevel === 2 /* DirtyLevels.MaybeDirty */) {
+                    if (depth >= 4) {
+                        resolveMaybeDirtyNonRecursive(dep);
+                    }
+                    else {
+                        resolveMaybeDirty(dep, depth + 1);
+                    }
+                    dirtyLevel = dep.dirtyLevel;
+                }
+                if (dirtyLevel === 3 /* DirtyLevels.Dirty */) {
+                    dep.update();
+                    if (sub.dirtyLevel === 3 /* DirtyLevels.Dirty */) {
+                        break;
+                    }
+                }
+            }
+            link = link.nextDep;
+        }
+        if (sub.dirtyLevel === 2 /* DirtyLevels.MaybeDirty */) {
+            sub.dirtyLevel = 0 /* DirtyLevels.None */;
+        }
+    }
+    Subscriber.resolveMaybeDirty = resolveMaybeDirty;
+    function resolveMaybeDirtyNonRecursive(sub) {
+        let link = sub.deps;
+        let remaining = 0;
+        do {
+            if (link !== undefined) {
+                const dep = link.dep;
+                if ('update' in dep) {
+                    const depDirtyLevel = dep.dirtyLevel;
+                    if (depDirtyLevel === 2 /* DirtyLevels.MaybeDirty */) {
+                        dep.subs.prevSub = link;
+                        sub = dep;
+                        link = dep.deps;
+                        remaining++;
+                        continue;
+                    }
+                    else if (depDirtyLevel === 3 /* DirtyLevels.Dirty */) {
+                        dep.update();
+                        if (sub.dirtyLevel === 3 /* DirtyLevels.Dirty */) {
+                            if (remaining !== 0) {
+                                const subSubs = sub.subs;
+                                const prevLink = subSubs.prevSub;
+                                sub.update();
+                                subSubs.prevSub = undefined;
+                                sub = prevLink.sub;
+                                link = prevLink.nextDep;
+                                remaining--;
+                                continue;
+                            }
+                            break;
+                        }
+                    }
+                }
+                link = link.nextDep;
+                continue;
+            }
+            const dirtyLevel = sub.dirtyLevel;
+            if (dirtyLevel === 2 /* DirtyLevels.MaybeDirty */) {
+                sub.dirtyLevel = 0 /* DirtyLevels.None */;
+                if (remaining !== 0) {
+                    const subSubs = sub.subs;
+                    const prevLink = subSubs.prevSub;
+                    subSubs.prevSub = undefined;
+                    sub = prevLink.sub;
+                    link = prevLink.nextDep;
+                    remaining--;
+                    continue;
+                }
+            }
+            else if (remaining !== 0) {
+                if (dirtyLevel === 3 /* DirtyLevels.Dirty */) {
+                    sub.update();
+                }
+                const subSubs = sub.subs;
+                const prevLink = subSubs.prevSub;
+                subSubs.prevSub = undefined;
+                sub = prevLink.sub;
+                link = prevLink.nextDep;
+                remaining--;
+                continue;
+            }
+            break;
+        } while (true);
+    }
+    Subscriber.resolveMaybeDirtyNonRecursive = resolveMaybeDirtyNonRecursive;
+    /**
+     * @deprecated Use `startTrack` instead.
+     */
+    function startTrackDependencies(sub) {
+        return startTrack(sub);
+    }
+    Subscriber.startTrackDependencies = startTrackDependencies;
+    /**
+     * @deprecated Use `endTrack` instead.
+     */
+    function endTrackDependencies(sub, prevSub) {
+        return endTrack(sub, prevSub);
+    }
+    Subscriber.endTrackDependencies = endTrackDependencies;
+    function startTrack(sub) {
+        const newTrackId = system.lastTrackId + 1;
+        const prevSub = system.activeSub;
+        system.activeSub = sub;
+        system.activeTrackId = newTrackId;
+        system.lastTrackId = newTrackId;
+        sub.depsTail = undefined;
+        sub.trackId = newTrackId;
+        sub.dirtyLevel = 0 /* DirtyLevels.None */;
+        return prevSub;
+    }
+    Subscriber.startTrack = startTrack;
+    function endTrack(sub, prevSub) {
+        if (prevSub !== undefined) {
+            system.activeSub = prevSub;
+            system.activeTrackId = prevSub.trackId;
+        }
+        else {
+            system.activeSub = undefined;
+            system.activeTrackId = 0;
+        }
+        const depsTail = sub.depsTail;
+        if (depsTail !== undefined) {
+            if (depsTail.nextDep !== undefined) {
+                clearTrack(depsTail.nextDep);
+                depsTail.nextDep = undefined;
+            }
+        }
+        else if (sub.deps !== undefined) {
+            clearTrack(sub.deps);
+            sub.deps = undefined;
+        }
+        sub.trackId = -sub.trackId;
+    }
+    Subscriber.endTrack = endTrack;
+    function clearTrack(link) {
+        do {
+            const dep = link.dep;
+            const nextDep = link.nextDep;
+            Link.release(link);
+            if (dep.subs === undefined && 'deps' in dep) {
+                if ('notify' in dep) {
+                    dep.dirtyLevel = 0 /* DirtyLevels.None */;
+                }
+                else {
+                    dep.dirtyLevel = 3 /* DirtyLevels.Dirty */;
+                }
+                if (dep.deps !== undefined) {
+                    link = dep.deps;
+                    dep.depsTail.nextDep = nextDep;
+                    dep.deps = undefined;
+                    dep.depsTail = undefined;
+                    continue;
+                }
+            }
+            link = nextDep;
+        } while (link !== undefined);
+    }
+    Subscriber.clearTrack = clearTrack;
+})(Subscriber || (exports.Subscriber = Subscriber = {}));

praesentation/node_modules/alien-signals/cjs/unstable/computedArray.d.ts

@@ -0,0 +1,2 @@
+import { ISignal } from '../index.js';
+export declare function computedArray<I, O>(arr: ISignal<I[]>, getGetter: (item: ISignal<I>, index: number) => () => O): readonly Readonly<O>[];

praesentation/node_modules/alien-signals/cjs/unstable/computedArray.js

@@ -0,0 +1,43 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.computedArray = computedArray;
+const index_js_1 = require("../index.js");
+function computedArray(arr, getGetter) {
+    const length = (0, index_js_1.computed)(() => arr.get().length);
+    const keys = (0, index_js_1.computed)(() => {
+        const keys = [];
+        for (let i = 0; i < length.get(); i++) {
+            keys.push(String(i));
+        }
+        return keys;
+    });
+    const items = (0, index_js_1.computed)((array) => {
+        array ??= [];
+        while (array.length < length.get()) {
+            const index = array.length;
+            const item = (0, index_js_1.computed)(() => arr.get()[index]);
+            array.push((0, index_js_1.computed)(getGetter(item, index)));
+        }
+        if (array.length > length.get()) {
+            array.length = length.get();
+        }
+        return array;
+    });
+    return new Proxy({}, {
+        get(_, p, receiver) {
+            if (p === 'length') {
+                return length.get();
+            }
+            if (typeof p === 'string' && !isNaN(Number(p))) {
+                return items.get()[Number(p)]?.get();
+            }
+            return Reflect.get(items.get(), p, receiver);
+        },
+        has(_, p) {
+            return Reflect.has(items.get(), p);
+        },
+        ownKeys() {
+            return keys.get();
+        },
+    });
+}

praesentation/node_modules/alien-signals/cjs/unstable/computedSet.d.ts

@@ -0,0 +1,2 @@
+import { ISignal } from '../index.js';
+export declare function computedSet<T>(source: ISignal<Set<T>>): ISignal<Set<T>>;

praesentation/node_modules/alien-signals/cjs/unstable/computedSet.js

@@ -0,0 +1,13 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.computedSet = computedSet;
+const index_js_1 = require("../index.js");
+function computedSet(source) {
+    return (0, index_js_1.computed)((oldValue) => {
+        const newValue = source.get();
+        if (oldValue?.size === newValue.size && [...oldValue].every(c => newValue.has(c))) {
+            return oldValue;
+        }
+        return newValue;
+    });
+}

praesentation/node_modules/alien-signals/cjs/unstable/equalityComputed.d.ts

@@ -0,0 +1,6 @@
+import { Computed, ISignal } from '../index.js';
+export declare function equalityComputed<T>(getter: () => T): ISignal<T>;
+export declare class EqualityComputed<T = any> extends Computed<T> {
+    constructor(getter: () => T);
+    equals(a: any, b: any): boolean;
+}

praesentation/node_modules/alien-signals/cjs/unstable/equalityComputed.js

@@ -0,0 +1,58 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.EqualityComputed = void 0;
+exports.equalityComputed = equalityComputed;
+const index_js_1 = require("../index.js");
+function equalityComputed(getter) {
+    return new EqualityComputed(getter);
+}
+class EqualityComputed extends index_js_1.Computed {
+    constructor(getter) {
+        super(oldValue => {
+            const newValue = getter();
+            if (this.equals(oldValue, newValue)) {
+                return oldValue;
+            }
+            return newValue;
+        });
+    }
+    equals(a, b) {
+        if (a === b) {
+            return true;
+        }
+        if (a === null || b === null || typeof a !== typeof b) {
+            return false;
+        }
+        if (typeof a === 'object') {
+            if (Array.isArray(a) && Array.isArray(b)) {
+                if (a.length !== b.length) {
+                    return false;
+                }
+                for (let i = 0; i < a.length; i++) {
+                    if (!this.equals(a[i], b[i])) {
+                        return false;
+                    }
+                }
+                return true;
+            }
+            if (!Array.isArray(a) && !Array.isArray(b)) {
+                for (const key in a) {
+                    if (a.hasOwnProperty(key)) {
+                        if (!b.hasOwnProperty(key) || !this.equals(a[key], b[key])) {
+                            return false;
+                        }
+                    }
+                }
+                for (const key in b) {
+                    if (b.hasOwnProperty(key) && !a.hasOwnProperty(key)) {
+                        return false;
+                    }
+                }
+                return true;
+            }
+            return false; // One is array and the other is not
+        }
+        return false;
+    }
+}
+exports.EqualityComputed = EqualityComputed;

praesentation/node_modules/alien-signals/cjs/unstable/index.d.ts

@@ -0,0 +1,3 @@
+export * from './computedArray.js';
+export * from './computedSet.js';
+export * from './equalityComputed.js';

praesentation/node_modules/alien-signals/cjs/unstable/index.js

@@ -0,0 +1,19 @@
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __exportStar = (this && this.__exportStar) || function(m, exports) {
+    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+__exportStar(require("./computedArray.js"), exports);
+__exportStar(require("./computedSet.js"), exports);
+__exportStar(require("./equalityComputed.js"), exports);