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Lodash _.orderBy


The lodash _.orderBy() method is a versatile tool for sorting an array of objects. It takes two arguments, the collection to sort and the property(s) by which to sort. The second argument can be provided as an array of strings or as separate arguments of strings.

This method is useful when working with complex data structures, where the data may be nested and the sorting needs to be done by multiple properties at once.

By default, _.orderBy() will sort the collection in ascending order. However, it also has the option to sort in descending order with the use of the desc argument. This argument can be provided as an array or as a single string.

One helpful aspect of _.orderBy() is that it can sort by case-insensitive strings, numeric values, and even dates. It also has the ability to customize how to handle sorting of undefined values using the undefined option.

Furthermore, _.orderBy() also accepts a function as a second argument, allowing for custom sorting logic to be used. This function should take two arguments, the current item and the next item, and should return a number (positive, negative, or zero) depending on how they should be ordered.

In summary, the _.orderBy() method from lodash is a powerful tool for sorting complex data structures by one or more properties in either ascending or descending order. With added capabilities for handling undefined values and the option to use custom sorting logic, _.orderBy() is a versatile and useful tool in any JavaScript developer's toolkit.