2 lines
462 B
JavaScript
2 lines
462 B
JavaScript
const r=r=>(s,o)=>{if(s.constructor._observers){if(!s.constructor.hasOwnProperty("_observers")){const r=s.constructor._observers;s.constructor._observers=new Map,r.forEach(((r,o)=>s.constructor._observers.set(o,r)))}}else{s.constructor._observers=new Map;const r=s.updated;s.updated=function(s){r.call(this,s),s.forEach(((r,s)=>{const o=this.constructor._observers.get(s);void 0!==o&&o.call(this,this[s],r)}))}}s.constructor._observers.set(o,r)};export{r as o};
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