What is the best way to utilize the object within the map function?

I have a situation where I am using a typescript code repeatedly and I want to find a way to make it more efficient by reusing the code through assigning it to a variable. An example of this is defining an arrow function within the map function to return an object, and I would like to explore the best approach to reuse this object.

Here is a snippet of the code:

            let options: kendo.ui.GridOptions = {
                dataSource: {
                    // Code here
                },
                columns: [
                    // Code here
                ]
            }

The specific part of the code that I am aiming to optimize is:

.map(x => {
    return {
        assetClassificationId: x.assetClassificationId,
        assetTypeName: x.assetTypeName,
        assetSubTypeName: x.assetSubTypeName,
        assetClassificationName: x.assetClassificationName,
        classificationHiddenFromUser: x.classificationHiddenFromUser
    }
})

Is there a way to reuse this object within the map function?

Answer №1

To simplify your code, you can create a function that returns specific properties of an object and then use it with the .map method. Check out the example below for guidance.

const extractProperties = x => {
  return {
    assetClassificationId: x.assetClassificationId,
    assetTypeName: x.assetTypeName,
    assetSubTypeName: x.assetSubTypeName,
    assetClassificationName: x.assetClassificationName,
    classificationHiddenFromUser: x.classificationHiddenFromUser
  };
}

filteredResources = activeAssetTab.filter(x =>
  ((x.searchText.toLowerCase().indexOf(self.searchQuery.toLowerCase()) > -1) == true))
    .map(extractProperties);    

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