TypeScript orderBy

orderBy.ts

declare global {
    interface Array<T> {
        sortBy(selector: (elem: T) => any): T[];
    }
}

if (!Array.prototype.sortBy) {
    Array.prototype.sortBy = function <T>(selector: (elem: T) => any): T[] {
        return this.sort((a, b) => {
            return selector(a) < selector(b) ? -1 : 1;
        });
    }
}
                                            
// Example 
// let data = [{ name: 'Ray' }, { name: 'Albert' }];
// console.log(data.sortBy(x => x.Name));