@benev/slate/x/demo.bundle.min.js

frontend web stuff

/**
 * @license
 * Copyright 2019 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */
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/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
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/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */
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/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
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t&&null!==t;const kt={clone:function t(e,s=new Set){if(s.has(e))throw new Error("cannot clone circular reference");let n;return"function"==typeof e||null!==e&&"object"==typeof e?(s.add(e),n=Array.isArray(e)?e.map((e=>t(e,new Set(s)))):e.constructor===Object?Object.fromEntries(Object.entries(e).map((([e,n])=>[e,t(n,new Set(s))]))):e instanceof Map?new Map(Array.from(e,(([e,n])=>[e,t(n,new Set(s))]))):e instanceof Set?new Set(Array.from(e,(e=>t(e,new Set(s))))):e instanceof Date?new Date(e.getTime()):e,s.delete(e)):n=e,n},equal:(t,e)=>function t(e,s,n){if(!Ct(e)||!Ct(s))return e===s;if(n.includes(e))throw new Error("forbidden circularity detected in deep equal comparison");const r=[...n,e];if(e instanceof Map&&s instanceof Map){if(e.size!==s.size)return!1;for(const[n,i]of e)if(!s.has(n)||!t(i,s.get(n),r))return!1}else if(e instanceof Set&&s instanceof Set){if(e.size!==s.size)return!1;for(const n of e)if(!Array.from(s).some((e=>t(n,e,r))))return!1}else{const n=Object.keys(e),i=Object.keys(s);if(n.length!==i.length)return!1;for(const o of n){if(!i.includes(o))return!1;if(!t(e[o],s[o],r))return!1}}return!0}(t,e,[]),freeze:function(t){return function t(e,s){if(!Ct(e)||s.includes(e))return e;const n=[...s,e];if(e instanceof Map)for(const s of e.entries())for(const e of s)t(e,n);else if(e instanceof Set)for(const s of e)t(s,n);else if(Array.isArray(e))for(const s of e)t(s,n);else for(const s of Object.values(e))t(s,n);return Object.freeze(e)}(t,[])}};class xt{#c;#l;#h;#u=!1;#d(){return kt.freeze(structuredClone(this.#c))}constructor(t,e=()=>{}){this.#c=structuredClone(t),this.#l=this.#d(),this.#h=e}get state(){return this.#l}transmute(t){if(this.#u)throw new Error("circular error");this.#u=!0,this.#c=t(structuredClone(this.#c)),this.#l=this.#d(),this.#h(),this.#u=!1}slice({getter:t,setter:e}){return new St({parent:this,getter:t,setter:e})}}const Et=Error;var Mt;function Pt(t){return{map:e=>Ot(t,e),filter:e=>Ut(t,e)}}!function(t){function e(t){return"ready"===t.status?t.payload:void 0}function s(t,e){switch(t.status){case"loading":return e.loading();case"error":return e.error(t.reason);case"ready":return e.ready(t.payload);default:throw console.error("op",t),new Et("invalid op status")}}t.loading=()=>({status:"loading"}),t.error=t=>({status:"error",reason:t}),t.ready=t=>({status:"ready",payload:t}),t.is=Object.freeze({loading:t=>"loading"===t.status,error:t=>"error"===t.status,ready:t=>"ready"===t.status}),t.payload=e,t.reason=function(t){return"error"===t.status?t.reason:void 0},t.select=s,t.load=async function(e,s){e(t.loading());try{const n=await s();return e(t.ready(n)),n}catch(s){const n=s instanceof Et?s.message:"string"==typeof s?s:"error";throw e(t.error(n)),s}},t.morph=function(e,n){return s(e,{loading:()=>t.loading(),error:e=>t.error(e),ready:e=>t.ready(n(e))})},t.all=function(...s){const n=s.find(t.is.error);return n||(s.every(t.is.ready)?t.ready(s.map(e)):t.loading())}}(Mt||(Mt={})),Pt.pipe=Object.freeze({map:t=>e=>Ot(e,t),filter:t=>e=>Ut(e,t)});const Ot=(t,e)=>Object.fromEntries(Object.entries(t).map((([t,s])=>[t,e(s,t)]))),Ut=(t,e)=>Object.fromEntries(Object.entries(t).filter((([t,s])=>e(s,t)))),Rt=Symbol();class Tt extends Error{name=this.constructor.name}class Nt{static unwrap=t=>t instanceof Nt?t.value:t;#p;#f=!1;#i;#g=new Set;[Rt]=!1;constructor(t){this.#p=t,this.#i=Promise.resolve(t)}subscribe(t){return this.on(t)}on(t){return this.#g.add(t),()=>{this.#g.delete(t)}}once(t){const e=s=>{t(s),this.#g.delete(e)};return this.#g.add(e),()=>{this.#g.delete(e)}}clear(){return this.#g.clear()}#m=$t(0,(()=>{const t=this.#p;this.#f=!0;for(const e of this.#g)e(t);return this.#f=!1,t}));async publish(){this.#i=this.#m(),await this.#i}get wait(){return this.#i}get value(){return this[Rt]=!0,this.#p}set value(t){if(this.#f)throw new Tt("you can't set a signal in a signal's subscription listener (infinite loop forbidden)");this.#p!==t&&(this.#p=t,this.publish())}setDeep(t){if(this.#f)throw new Tt("you can't set a signal in a signal's subscription listener (infinite loop forbidden)");kt.equal(t,this.#p)||(this.#p=t,this.publish())}setAndPublish(t){if(this.#f)throw new Tt("you can't set a signal in a signal's subscription listener (infinite loop forbidden)");this.#p=t,this.publish()}setWithoutPublish(t){if(this.#f)throw new Tt("you can't set a signal in a signal's subscription listener (infinite loop forbidden)");this.#p=t}setValueNoPublish(t){return this.setWithoutPublish(t)}}class Ht extends Nt{#_=0;constructor(t){super(t)}async load(t){const e=++this.#_;return Mt.load((t=>{this.#_===e&&(this.value=t)}),t)}setLoading(){this.value=Mt.loading()}setError(t){this.value=Mt.error(t)}setReady(t){this.value=Mt.ready(t)}isLoading(){return Mt.is.loading(this.value)}isError(){return Mt.is.error(this.value)}isReady(){return Mt.is.ready(this.value)}get payload(){return 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r)r.actor();else{const{payload:i,recording:o}=e.record(r.collector);n.add(s,At(s,o,t,r)),r.responder&&r.responder(i)}}return{get:(t,s)=>(e.record_that_key_was_accessed(t,s),t[s]),set:(e,n,o)=>{if(s.locked)throw new _t(n);e[n]=o;const a=[...t.grab_keymap(e).grab_symbolmap(n)];for(const t of a){const[e]=t;r.add(e,(()=>s.lock((()=>i(t)))))}return!0}}}(this.#C,this.#k,this.#x,this.#E,this.#M);get wait(){return this.#M.wait}state(t){return new Proxy(t,this.#P)}reaction(t,e){const s=Symbol(),{recording:n}=this.#k.record((()=>this.#x.lock(t)));return this.#E.add(s,At(s,n,this.#C,{collector:t,responder:e})),()=>this.#E.stop(s)}lean(t){const e=Symbol();return{stop:()=>this.#E.stop(e),collect:s=>{const{payload:n,recording:r}=this.#k.record((()=>this.#x.lock(s)));return this.#E.add(e,At(e,r,this.#C,{lean:!0,actor:t})),n}}}clear(){this.#C.clear()}},Dt=new class{#O=new Set;#$=new Set;signal(t){const e=new Nt(t);return this.#O.add(e),e}computed(t){const e=this.signal(t());return this.reaction((()=>{e.value=t()})),e}async computedAsync(t,e){const s=await e(t()),n=this.signal(s);return this.reaction(t,(async t=>{n.value=await e(t)})),n}op(t=Mt.loading()){const e=new Ht(t);return this.#O.add(e),e}load(t){const e=this.op(Mt.loading());return e.load(t),e}many(t){return Pt(t).map((t=>this.signal(t)))}reaction(t,e){const s=new jt({waiters:this.#$,all_signals:this.#O}),n={collector:t,responder:e},{recording:r}=s.observe(n.collector);return s.add_listeners(n,r),()=>s.shutdown()}lean(t){const e=new jt({waiters:this.#$,all_signals:this.#O}),s={lean:!0,actor:t};return{stop:()=>e.shutdown(),collect:t=>{const{payload:n,recording:r}=e.observe(t);return e.add_listeners(s,r),n}}}async#U(){return await Promise.all([...this.#O].map((t=>t.wait))).then((()=>Promise.all([...this.#$]))).then((()=>{this.#$.clear()}))}get wait(){return Promise.resolve().then((()=>this.#U())).then((()=>this.#U()))}},qt=new class{#O;#R=new Set;#g=new Set;#T=new Map;#N=Promise.resolve();constructor(t){this.#O=t}get wait(){return this.#N}#H=$t(0,(()=>{for(const t of this.#R)t();for(const t of this.#g)t()}));dispatch(){this.#N=this.#H()}computed(t){const e=this.#O.signal(t());return this.#R.add((()=>{e.value=t()})),e}track(t,e){let s=!0;const n=()=>{const n=t(),r=this.#T.get(t);!s&&kt.equal(n,r)||(s=!1,this.#T.set(t,n),e(n))};n(),this.#g.add(n);return()=>this.#g.delete(n)}stateTree(t){return new xt(t,(()=>this.dispatch()))}}(Dt);zt.state.bind(zt),Dt.signal.bind(Dt),Dt.computed.bind(Dt),Dt.op.bind(Dt);const Vt=new class{flat;signals;#i=Promise.resolve();constructor(t,e){this.flat=t,this.signals=e}get wait(){return Promise.all([this.flat.wait,this.signals.wait]).then((()=>this.#i))}reaction(t,e){const s=e?()=>e(r()):()=>r(),n=this.lean(s),r=()=>n.collect(t);return r(),n.stop}lean(t){const e=this.flat.lean(t),s=this.signals.lean(t);return{stop(){e.stop(),s.stop()},collect:t=>e.collect((()=>s.collect(t)))}}}(zt,Dt);class Lt extends(function(t){return class extends t{#j=(new Set).add((()=>this.setup()));#z=new Set;register_setup(t){this.#j.add(t)}setup(){return()=>{}}connectedCallback(){for(const t of this.#j)this.#z.add(t())}disconnectedCallback(){for(const t of this.#z)t();this.#z.clear()}}}(HTMLElement)){}function Bt(){let t,e;const s=new Promise(((s,n)=>{t=s,e=n}));return{promise:s,resolve:t,reject:e,entangle:function(n){return n.then(t).catch(e),s}}}function It(t,e){o(t,function(t){const e=[];if(Array.isArray(t)){const s=new Set(t.flat(1/0).reverse());for(const t of s)e.unshift(a(t))}else void 0!==t&&e.push(a(t));return e}(e))}class Wt extends Lt{static get styles(){}#D;#q=Bt();#i=this.#q.promise;init(){}constructor(){super(),this.#D=this.attachShadow({mode:"open"});const t=this.constructor;It(this.#D,t.styles),this.init()}get root(){return this.#D}get updateComplete(){return this.#i.then((()=>!0))}render(){}#V=$t(0,(()=>{const t=this.#D,e=this.render();e&&it(e,t,{host:this})}));async requestUpdate(){const t=this.#V();return this.#q&&(t.then(this.#q.resolve),this.#q=void 0),this.#i=t,t}connectedCallback(){super.connectedCallback(),this.requestUpdate()}}i`
	@layer reset {
		* {
			margin: 0;
			padding: 0;
			box-sizing: border-box;

			scrollbar-width: thin;
			scrollbar-color: #888 transparent;
		}

		::-webkit-scrollbar { width: 8px; }
		::-webkit-scrollbar-track { background: transparent; }
		::-webkit-scrollbar-thumb { background: #333; border-radius: 1em; }
		::-webkit-scrollbar-thumb:hover { background: #444; }
	}
`;class Zt{theme=[]}class Jt{#L;constructor(t){this.#L=t}get context(){if(this.#L)return this.#L;throw new Error("nexus.context was not set, but it's necessary")}set context(t){this.#L=t}}class Kt{static with(t){return new this(t)}#B;constructor(t){this.#B=t}to(t){return new Kt(t(this.#B))}done(){return this.#B}}var Ft;function Gt(t){return[t].flat().filter((t=>!!t))}!function(t){function e(...t){return function(e){return class extends e{static get styles(){return Xt(e.styles,t)}}}}function s(t=Vt){return function(e){return class extends e{#I=null;render(){return this.#I?.collect((()=>super.render()))}connectedCallback(){super.connectedCallback(),this.#I=t.lean((()=>this.requestUpdate()))}disconnectedCallback(){super.disconnectedCallback(),this.#I&&(this.#I.stop(),this.#I=null)}}}}t.css=e,t.css_deferred=function(t){return function(e){return class extends e{static get styles(){return Xt(e.styles,t())}}}},t.signals=function(t){return function(e){return class extends e{#I=null;render(){return this.#I?.collect((()=>super.render()))}connectedCallback(){super.connectedCallback(),this.#I=t.lean((()=>this.requestUpdate()))}disconnectedCallback(){super.disconnectedCallback(),this.#I&&(this.#I.stop(),this.#I=null)}}}},t.flat=function(t){return function(e){return class extends e{#I=null;render(){return this.#I?.collect((()=>super.render()))}connectedCallback(){super.connectedCallback(),this.#I=t.lean((()=>this.requestUpdate()))}disconnectedCallback(){super.disconnectedCallback(),this.#I&&(this.#I.stop(),this.#I=null)}}}},t.reactive=s,t.reactor=s,t.setup=function(...t){return function(n){return Kt.with(n).to(e(...t)).to(s()).done()}}}(Ft||(Ft={}));const Qt=t=>void 0!==t;function Xt(t,e){return[...Gt(t)??[],...Gt(e)].flat().filter(Qt)}var Yt;function te(){const t=new Set;function e(e){return t.add(e),()=>{t.delete(e)}}return e.publish=e=>{for(const s of t)s(e)},e.clear=()=>t.clear(),e.once=e=>{const s=n=>{e(n),t.delete(s)};return t.add(s),()=>{t.delete(s)}},e}!function(t){t.css=t=>e=>Pt(e).map((e=>Ft.css(t)(e))),t.flat=t=>e=>Pt(e).map((e=>Ft.flat(t)(e))),t.signals=t=>e=>Pt(e).map((e=>Ft.signals(t)(e))),t.reactive=(t=Vt)=>e=>Pt(e).map((e=>Ft.reactive(t)(e))),t.reactor=t.reactive,t.context=e=>s=>Kt.with(s).to(t.css(e.theme)).to(t.reactive()).done(),t.setup=(...t)=>e=>Pt(e).map((e=>Ft.setup(...t)(e)))}(Yt||(Yt={}));class ee extends HTMLElement{static tag="slate-view";onConnected=te();onDisconnected=te();connectedCallback(){this.onConnected.publish()}disconnectedCallback(){this.onDisconnected.publish()}}
/**
 * @license
 * Copyright 2020 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */const se=2;
/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */class ne{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,e,s){this._$Ct=t,this._$AM=e,this._$Ci=s}_$AS(t,e){return this.update(t,e)}update(t,e){return this.render(...e)}}
/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */const re=(t,e)=>{const s=t._$AN;if(void 0===s)return!1;for(const t of s)t._$AO?.(e,!1),re(t,e);return!0},ie=t=>{let e,s;do{if(void 0===(e=t._$AM))break;s=e._$AN,s.delete(t),t=e}while(0===s?.size)},oe=t=>{for(let e;e=t._$AM;t=e){let s=e._$AN;if(void 0===s)e._$AN=s=new Set;else if(s.has(t))break;s.add(t),le(e)}};function ae(t){void 0!==this._$AN?(ie(this),this._$AM=t,oe(this)):this._$AM=t}function ce(t,e=!1,s=0){const n=this._$AH,r=this._$AN;if(void 0!==r&&0!==r.size)if(e)if(Array.isArray(n))for(let t=s;t<n.length;t++)re(n[t],!1),ie(n[t]);else null!=n&&(re(n,!1),ie(n));else re(this,t)}const le=t=>{t.type==se&&(t._$AP??=ce,t._$AQ??=ae)};class he extends ne{constructor(){super(...arguments),this._$AN=void 0}_$AT(t,e,s){super._$AT(t,e,s),oe(this),this.isConnected=t._$AU}_$AO(t,e=!0){t!==this.isConnected&&(this.isConnected=t,t?this.reconnected?.():this.disconnected?.()),e&&(re(this,t),ie(this))}setValue(t){if((t=>void 0===t.strings)(this._$Ct))this._$Ct._$AI(t,this);else{const e=[...this._$Ct._$AH];e[this._$Ci]=t,this._$Ct._$AI(e,this,0)}}disconnected(){}reconnected(){}}const ue=Symbol();class de{#p=0;pull(){return this.#p++}reset(){this.#p=0}}class pe{[ue]={wrap:t=>(...e)=>(this.#W.reset(),t(...e)),disconnect:()=>{for(const t of this.#Z)t();this.#Z.clear();for(const t of this.#J)t();this.#J.clear(),this.#K.clear();for(const{untrack:t}of this.#F.values())t();this.#F.clear()},reconnect:()=>{for(const t of this.#G.values())this.#Z.add(t());for(const[t,e]of this.#Q.entries()){const[s,n]=e();this.#K.set(t,s),this.#J.add(n)}},afterRender:()=>{for(const t of this.#X.values())t()}};#L;#Y;#W=new de;constructor(t,e){this.#Y=t,this.#L=e}get context(){return this.#L}rerender(){this.#Y()}#G=new Map;#Z=new Set;mount(t){const e=this.#W.pull();this.#G.has(e)||(this.#G.set(e,t),this.#Z.add(t()))}#Q=new Map;#K=new Map;#J=new Set;init(t){const e=this.#W.pull();if(!this.#Q.has(e)){this.#Q.set(e,t);const[s,n]=t();return this.#K.set(e,s),this.#J.add(n),s}return this.#K.get(e)}#tt=new Map;once(t){const e=this.#W.pull();return dt(this.#tt).guarantee(e,t)}#X=new Map;defer(t){const e=this.signal(void 0),s=this.#W.pull();return this.#X.has(s)||this.#X.set(s,(()=>{e.value=t()})),e}#et=new Set;deferOnce(t){this.mount((()=>(this.#et.clear(),()=>{})));const e=this.signal(void 0),s=this.#W.pull();return this.#X.has(s)||this.#X.set(s,(()=>{this.#et.has(s)||(this.#et.add(s),e.value=t())})),e}#st=new Map;state(t){const e=this.#W.pull();return[dt(this.#st).guarantee(e,(()=>"function"==typeof t?t():t)),t=>{this.#st.set(e,t),this.#Y()},()=>this.#st.get(e)]}#nt=new Map;flatstate(t){const e=this.#W.pull();return dt(this.#nt).guarantee(e,(()=>zt.state("function"==typeof t?t():t)))}#O=new Map;signal(t){const e=this.#W.pull();return dt(this.#O).guarantee(e,(()=>Dt.signal("function"==typeof t?t():t)))}computed(t){const e=this.#W.pull();return dt(this.#O).guarantee(e,(()=>Dt.computed(t)))}op(){const t=this.#W.pull();return 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