JSFiddle - React, Tailwind, and code Playground

JavaScript

var array = [{
    outletId: 619734,
    tleaderId: "3f8be9bf-5920-4d3d-b915-50ca76cb21oo"
}, {
    outletId: 619755,
    tleaderId: "3f8be9bf-5920-4d3d-b915-50ca76cb24ty"
}, {
    outletId: 619700,
    tleaderId: "3f8be9bf-5920-4d3d-b915-50ca76cb2qwe"
}
// and so on...
]

var newArray = [{
    outletId: 619734,
    tleaderId: "3f8be9bf-5920-4d3d-b915-50ca76cb21oo"
}];

function matchCase(array1,array2){
    
    var matchFound = false;
   
for (var i = 0; i < array1.length; i++) {

    item = array1[i];
    
    if (item.outletId === array2[0].outletId && item.tleaderId === array2[0].tleaderId) {
        
        matchFound = true;
        break;

        }

    }
    
    return matchFound;
    
}
    
console.log(matchCase(array,newArray));