score:0

// Inside the SearchBar component
this.handleFilterTextInputChange = this.handleFilterTextInputChange.bind(this);
this.handleInStockInputChange = this.handleInStockInputChange.bind(this);

// Elsewhere
someOtherObj.doTheThing = this.handleFilterTextInputChange;

// And inside someOtherObj
someClassMethod : function () {
    this.doTheThing();
}

Related Query

More Query from same tag