my promise

class mypromise {
  constructor(callback){
    this.state = 'pending'
    this.fulfilledcallback;
    this.rejectcallback;
    this.res=null;
    this.resolve = (res) =>{
      this.state = 'fulfilled'
      this.res = res;
      if(this.fulfilledcallback){
        this.fulfilledcallback(res)
      }
      return this;
    }
    this.reject = (res) =>{
      this.state = 'rejected'
      this.res = res
      if(this.rejectcallback){
         this.rejectcallback(res)
      }
     
      return this;
    }
    this.then = (callback) =>{
      this.fulfilledcallback = callback
      if(this.state === 'fulfilled'){
        this.fulfilledcallback(this.res)
      }
      return this;
    }
    this.catch = (callback) =>{
       this.rejectcallback = callback;
      if(this.state === 'rejected'){
       this.rejectcallback(this.res)
      }
      return this;
    }
    callback(this.resolve, this.reject)
  }
}

mypromise.all = (arr) => {
  this.state = 'pending'
  this.num = arr.length
  this.fulfilled = 0
  this.reject = 0
  this.res = []
  this.fulfilledcallback
  this.rejectedcallback
  this.then = (callback) =>{
    this.fulfilledcallback =  callback;
    if(this.state === 'fulfilled'){
      this.fulfilledcallback(this.res)
    }
     return this
  }
  this.catch= (callback) =>{
    this.rejectedcallback = callback;
    if(this.state === 'rejected'){
      this.rejectedcallback(this.res)
    }
     return this
  }
  arr.forEach((value)=>{
    value.then((res)=>{
      this.res.push(res)
      this.fulfilled++
      if(this.fulfilled === this.num){
        this.state = 'fulfilled';
        if(this.fulfilledcallback){
          this.fulfilledcallback(this.res)
        }
      }
    }).catch((res)=>{
      this.res.push(res)
      this.reject++
      if(this.state != 'rejected'){
        this.state = 'rejected';
        if(this.rejectedcallback){
           this.rejectedcallback(this.res);
        }
       }
    })
  })
 return this;
}
mypromise.race = (arr) => {
  this.state = 'pending'
  this.num = arr.length
  this.fulfilled = 0
  this.reject = 0
  this.res = []
  this.fulfilledcallback
  this.rejectedcallback
  this.then = (callback) =>{
    this.fulfilledcallback =  callback;
    if(this.state === 'fulfilled'){
      this.fulfilledcallback(this.res)
    }
     return this
  }
  this.catch= (callback) =>{
    this.rejectedcallback = callback;
    if(this.state === 'rejected'){
      this.rejectedcallback(this.res)
    }
     return this
  }
  arr.forEach((value)=>{
    value.then((res)=>{
      this.res.push(res)
      this.fulfilled++
      if(this.state === 'pending'){
        this.state = 'fulfilled';
        if(this.fulfilledcallback){
           this.fulfilledcallback(this.res)
        }
      }
    }).catch((res)=>{
      this.res.push(res)
      this.reject++
      if(this.state === 'pending'){
         this.state = 'rejected';
        if(this.rejectedcallback){
           this.rejectedcallback(this.res);
        }
      }
    })
  })
 return this;
}
mypromise.allSettled = (arr) => {
  this.state = 'pending'
  this.num = arr.length
  this.fulfilled = 0
  this.reject = 0
  this.res = []
  this.fulfilledcallback
  this.rejectedcallback
  this.then = (callback) =>{
    this.fulfilledcallback =  callback;
    if(this.state === 'fulfilled'){
      this.fulfilledcallback(this.res)
    }
     return this
  }
  this.catch= (callback) =>{
    this.rejectedcallback = callback;
    if(this.state === 'rejected'){
      this.rejectedcallback(this.res)
    }
     return this
  }
  arr.forEach((value)=>{
    value.then((res)=>{
      this.res.push(res)
      this.fulfilled++
      if(this.fulfilled === this.num){
        this.state = 'fulfilled';
        if(this.fulfilledcallback){
          this.fulfilledcallback(this.res)
        }
      }
    }).catch((res)=>{
      this.res.push(res)
      this.fulfilled++
      if(this.fulfilled === this.num){
        this.state = 'fulfilled';
        if(this.fulfilledcallback){
          this.fulfilledcallback(this.res)
        }
      }
    })
  })
 return this;
}
mypromise.any = (arr) => {
  this.state = 'pending'
  this.num = arr.length
  this.fulfilled = 0
  this.reject = 0
  this.res = []
  this.fulfilledcallback
  this.rejectedcallback
  this.then = (callback) =>{
    this.fulfilledcallback =  callback;
    if(this.state === 'fulfilled'){
      this.fulfilledcallback(this.res)
    }
     return this
  }
  this.catch= (callback) =>{
    this.rejectedcallback = callback;
    if(this.state === 'rejected'){
      this.rejectedcallback(this.res)
    }
     return this
  }
  arr.forEach((value)=>{
    value.then((res)=>{
    this.res.push(res)
    this.fulfilled++
    if(this.state != 'fulfilled'){
      this.state = 'fulfilled';
      if(this.fulfilledcallback){
        this.fulfilledcallback(this.res)
      }
    }

    }).catch((res)=>{
      this.res.push(res)
      this.reject++
      if(this.reject === this.num){
        this.state = 'rejected';
        if(this.rejectedcallback){
           this.rejectedcallback(this.res);
        }
      }

    })
  })
 return this;
}
window.mypromise = mypromise