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rr(e){return()=>{throw new RuntimeError(`${e} is defined more than once`)}}function ar(e,t,n){const r=this._module._scope,a=this._module._runtime;if(this._inputs.forEach(er,this),t.forEach(Qn,this),this._inputs=t,this._definition=n,this._value=void 0,n===Jn?a._variables.delete(this):a._variables.add(this),e!==this._name||r.get(e)!==this){let t,o;if(this._name)if(this._outputs.size)r.delete(this._name),o=this._module._resolve(this._name),o._outputs=this._outputs,this._outputs=new Set,o._outputs.forEach((function(e){e._inputs[e._inputs.indexOf(this)]=o}),this),o._outputs.forEach(a._updates.add,a._updates),a._dirty.add(o).add(this),r.set(this._name,o);else if((o=r.get(this._name))===this)r.delete(this._name);else{if(3!==o._type)throw new Error;o._duplicates.delete(this),this._duplicate=void 0,1===o._duplicates.size&&(o=o._duplicates.keys().next().value,t=r.get(this._name),o._outputs=t._outputs,t._outputs=new 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this._version>0&&++this._version,a._updates.add(this),a._compute(),this}Object.defineProperties(Variable.prototype,{_pending:{value:function(){this._observer.pending&&this._observer.pending()},writable:!0,configurable:!0},_fulfilled:{value:function(e){this._observer.fulfilled&&this._observer.fulfilled(e,this._name)},writable:!0,configurable:!0},_rejected:{value:function(e){this._observer.rejected&&this._observer.rejected(e,this._name)},writable:!0,configurable:!0},_resolve:{value:function(e){return this._shadow?.get(e)??this._module._resolve(e)},writable:!0,configurable:!0},define:{value:function(e,t,n){switch(arguments.length){case 1:n=e,e=t=null;break;case 2:n=t,"string"==typeof e?t=null:(t=e,e=null)}return ar.call(this,null==e?null:String(e),null==t?[]:Zn.call(t,this._resolve,this),"function"==typeof n?n:Gn(n))},writable:!0,configurable:!0},delete:{value:function(){return ar.call(this,null,[],Jn)},writable:!0,configurable:!0},import:{value:function(e,t,n){arguments.length<3&&(n=t,t=e);return ar.call(this,String(t),[n._resolve(String(e))],Yn)},writable:!0,configurable:!0}});const or=Symbol("variable"),ir=Symbol("invalidation"),sr=Symbol("visibility");function Module(e,t=[]){Object.defineProperties(this,{_runtime:{value:e},_scope:{value:new Map},_builtins:{value:new Map([["@variable",or],["invalidation",ir],["visibility",sr],...t])},_source:{value:null,writable:!0}})}async function cr(e,t){await e._compute();try{return await t._promise}catch(n){if(n===nr)return cr(e,t);throw n}}function lr(e){return e._name}Object.defineProperties(Module.prototype,{_resolve:{value:function(e){let t,n=this._scope.get(e);if(!n)if(n=new Variable(2,this),this._builtins.has(e))n.define(e,Gn(this._builtins.get(e)));else if(this._runtime._builtin._scope.has(e))n.import(e,this._runtime._builtin);else{try{t=this._runtime._global(e)}catch(t){return 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t._scope){const t=e._scope.get(r);if(!t||2===t._type)if(a._definition===Yn){const t=a._inputs[0],o=t._module;e.import(t._name,r,n.get(o)||o)}else e.define(r,a._inputs.map(lr),a._definition)}return i},writable:!0,configurable:!0},import:{value:function(){const e=new Variable(1,this);return e.import.apply(e,arguments)},writable:!0,configurable:!0},value:{value:async function(e){let t=this._scope.get(e);if(!t)throw new RuntimeError(`${e} is not defined`);if(t._observer!==Kn)return cr(this._runtime,t);t=this.variable(!0).define([e],Yn);try{return await cr(this._runtime,t)}finally{t.delete()}},writable:!0,configurable:!0},variable:{value:function(e,t){return new Variable(1,this,e,t)},writable:!0,configurable:!0},builtin:{value:function(e,t){this._builtins.set(e,t)},writable:!0,configurable:!0}});const ur="function"==typeof requestAnimationFrame?requestAnimationFrame:"function"==typeof setImmediate?setImmediate:e=>setTimeout(e,0);function Runtime(e=new Library,t=yr){const n=this.module();if(Object.defineProperties(this,{_dirty:{value:new Set},_updates:{value:new Set},_precomputes:{value:[],writable:!0},_computing:{value:null,writable:!0},_init:{value:null,writable:!0},_modules:{value:new Map},_variables:{value:new Set},_disposed:{value:!1,writable:!0},_builtin:{value:n},_global:{value:t}}),e)for(const t in e)new Variable(2,n).define(t,[],e[t])}function fr(e){const t=new Set(e._inputs);for(const n of t){if(n===e)return!0;n._inputs.forEach(t.add,t)}return!1}function dr(e){++e._indegree}function pr(e){--e._indegree}function mr(e){return e._promise.catch(e._rejector)}function hr(e){return new Promise((function(t){e._invalidate=t}))}function br(e,t){let n,r,a="function"==typeof IntersectionObserver&&t._observer&&t._observer._node,o=!a,i=Jn,s=Jn;return a&&(r=new IntersectionObserver((([e])=>(o=e.isIntersecting)&&(n=null,i()))),r.observe(a),e.then((()=>(r.disconnect(),r=null,s())))),function(e){return o?Promise.resolve(e):r?(n||(n=new Promise(((e,t)=>(i=e,s=t)))),n.then((()=>e))):Promise.reject()}}function wr(e){e._invalidate(),e._invalidate=Jn,e._pending();const t=e._value,n=++e._version;let r=null;const a=e._promise=(e._inputs.length?Promise.all(e._inputs.map(mr)).then((function(a){if(e._version!==n)throw nr;for(let t=0,n=a.length;t<n;++t)switch(a[t]){case ir:a[t]=r=hr(e);break;case sr:r||(r=hr(e)),a[t]=br(r,e);break;case or:a[t]=e}return e._definition.apply(t,a)})):new Promise((n=>n(e._definition.call(t))))).then((function(t){if(e._version!==n)throw nr;if(function(e){return e&&"function"==typeof e.next&&"function"==typeof e.return}(t))return(r||hr(e)).then((a=t,function(){a.return()})),function(e,t,n){const r=e._module._runtime;let a;function o(e){return new Promise((e=>e(n.next(a)))).then((({done:t,value:n})=>t?void 0:Promise.resolve(n).then(e)))}function i(){const n=o((o=>{if(e._version!==t)throw nr;return a=o,s(o,n).then((()=>r._precompute(i))),e._fulfilled(o),o}));n.catch((r=>{r!==nr&&e._version===t&&(s(void 0,n),e._rejected(r))}))}function s(t,n){return e._value=t,e._promise=n,e._outputs.forEach(r._updates.add,r._updates),r._compute()}return o((n=>{if(e._version!==t)throw nr;return a=n,r._precompute(i),n}))}(e,n,t);var a;return t}));a.then((t=>{e._value=t,e._fulfilled(t)}),(t=>{t!==nr&&e._version===n&&(e._value=void 0,e._rejected(t))}))}function vr(e,t){e._invalidate(),e._invalidate=Jn,e._pending(),++e._version,e._indegree=NaN,(e._promise=Promise.reject(t)).catch(Jn),e._value=void 0,e._rejected(t)}function yr(e){return globalThis[e]}Object.defineProperties(Runtime.prototype,{_precompute:{value:function(e){this._precomputes.push(e),this._compute()},writable:!0,configurable:!0},_compute:{value:function(){return this._computing||(this._computing=this._computeSoon())},writable:!0,configurable:!0},_computeSoon:{value:function(){return new Promise(ur).then((()=>this._disposed?void 0:this._computeNow()))},writable:!0,configurable:!0},_computeNow:{value:async function(){let e,t,n=[],r=this._precomputes;if(r.length){this._precomputes=[];for(const e of r)e();await function(e=0){let t=Promise.resolve();for(let n=0;n<e;++n)t=t.then((()=>{}));return t}(3)}e=new Set(this._dirty),e.forEach((function(t){t._inputs.forEach(e.add,e);const n=function(e){if(e._observer!==Kn)return!0;const t=new Set(e._outputs);for(const e of t){if(e._observer!==Kn)return!0;e._outputs.forEach(t.add,t)}return!1}(t);n>t._reachable?this._updates.add(t):n<t._reachable&&t._invalidate(),t._reachable=n}),this),e=new Set(this._updates),e.forEach((function(t){t._reachable?(t._indegree=0,t._outputs.forEach(e.add,e)):(t._indegree=NaN,e.delete(t))})),this._computing=null,this._updates.clear(),this._dirty.clear(),e.forEach((function(e){e._outputs.forEach(dr)}));do{for(e.forEach((function(e){0===e._indegree&&n.push(e)}));t=n.pop();)wr(t),t._outputs.forEach(a),e.delete(t);e.forEach((function(t){fr(t)&&(vr(t,new RuntimeError("circular definition")),t._outputs.forEach(pr),e.delete(t))}))}while(e.size);function a(e){0==--e._indegree&&n.push(e)}},writable:!0,configurable:!0},dispose:{value:function(){this._computing=Promise.resolve(),this._disposed=!0,this._variables.forEach((e=>{e._invalidate(),e._version=NaN}))},writable:!0,configurable:!0},module:{value:function(e,t=Jn){let n;if(void 0===e)return(n=this._init)?(this._init=null,n):new Module(this);if(n=this._modules.get(e),n)return n;this._init=n=new Module(this),this._modules.set(e,n);try{e(this,t)}finally{this._init=null}return n},writable:!0,configurable:!0},fileAttachments:{value:function(e){return Object.assign((t=>{const n=e(t+="");if(null==n)throw new Error(`File not found: ${t}`);if("object"==typeof n&&"url"in n){const{url:e,mimeType:r}=n;return new FileAttachment(e,t,r)}return new FileAttachment(n,t)}),{prototype:FileAttachment.prototype})},writable:!0,configurable:!0}});export{Inspector,Library,Runtime,RuntimeError};
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