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| class PromiseCopy{ | |
| static resolve( value ){ | |
| /* | |
| 1. We return a new Promise and pass the value to resolve method if Promise.resolve is called directly. | |
| 2. The resolve method of executor runs this same code with this instance added. | |
| */ | |
| if( !( this instanceof PromiseCopy ) ) return new PromiseCopy( res => res( value ) ) ; | |
| //return if promise is settled. | |
| if( this.#state !== states.pending )return ; | |
| //If value is a thenable object we call Promise.resolve recursively by passing it to value.then. | |
| if( isThenable( value ) ) return value.then( PromiseCopy.resolve.bind( this ), PromiseCopy.resolve.bind( this ) ); | |
| this.#state = states.fulfilled ; | |
| this.#result = value ; | |
| this.#dispatchCallbacks(); | |
| } | |
| #dispatchCallbacks(){ /* */ } ; | |
| } |
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