文字の並べ替え-ベースの並べ替え二点検索-JavaScript

//             0，str1>str2   1，str1function str_compare(str1,str2){
    let index=0;
    let dis=0;
    while (dis===0&&index        if(str1.charCodeAt(index)>str2.charCodeAt(index)){
            dis=1
        }else if(str1.charCodeAt(index)            dis=-1
        }else{
            index++;
            if(index>str2.length){
                dis=1;
            }
        }
    }
    if(dis===0&&index        dis=-1
    }
    return dis;
}
//             
function str_find(str,hasSortArr) {
    let l=0,r=hasSortArr.length;
    let index=-1;
    if(hasSortArr.length>0){
        const ri=str_compare(str,hasSortArr[r-1]);
        if(ri===1){
            return [r,-1]
        }else if(ri===0){
            return [r-1,r-1]
        }else{
            r=r-1;
        }
        const li=str_compare(str,hasSortArr[0]);
        if(li===-1){
            return [0,-1]
        }else if(li===0){
            return [0,0]
        }else{
            l=l+1;
        }
        while(r-l>0){
            const m=(l+r)>>1;
            //       
            const order=str_compare(str,hasSortArr[m])
            if(order===1){
                l=Math.max(l+1,m)
            }else if(order===-1){
                r=Math.min(r-1,m)
            }else{
                l=r=m;
                index=m;
            }
        }
    }
    return [(l+r)>>1,index]
}
//    ,isOnly     
function str_sort(arr,isOnly) {
    const sa=[]
    for(let i=0;i        const [n,index]=str_find(arr[i],sa);
        if(!isOnly||index===-1){
            sa.splice(n,0,arr[i])
        }
    }
    return sa;
}
//    
const arr=['123',' ','15101175664','15101175662'];
console.log(str_sort(arr,true))