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Overview
Operations
List Helpers Operations
Latest version:
2.1
Changelog
Add item to list
Adds an item to the end of a list. If this list doesn't already exist, then a new list will be returned with just the new item.
Add multiple items to list
Adds multiple items to the end of a list. If this list doesn't already exist, then a new list will be returned with just the new items.
Chunk
Split a list of items into lists of a fixed size. If the list can’t be split evenly, the final chunk will be the remaining elements.
Concatenate
Concatenate two lists together, adding all of the items from the second list after the items in the first list.
Contains
Returns true if the match item in contained in the list, false otherwise.
Count items
Counts up the number of items (or length) in the list.
Delete items from list
Delete all items from a list that match a condition.
Difference
For a given list, filter it down to only return the items that do NOT exist in the second list.
Filter
Use filter conditions to filter a list of objects.
Find object in list
From a list of objects, pick the first object that matches the fields in the match object.
First
Given a list of items, get the first one.
Get item by index
Given a list of items, retrieve the one at a specified index.
Get list of page numbers
Get a list of "page numbers", given a total count, along with the number of items you would like to have in each page. For example, if you had 300 records and 100 per page, the list "[1,2,3]" would be returned.
Get numbers between
Given a minimum and maximum value, get a list of all of the numbers in between the two. Includes both the minimum and maximum numbers too.
Get unique items by key
Given a list of objects, retrieve a unique list of objects, excluding duplicate values for a specific key.
Intersection
For two given lists, return only the items that exist in both lists.
Iterative transform
Given a list, iterates through the enumerable components, and transforms the associated values accordingly.
Join
Join all items in a list together as a string, separated by a separator.
Last
Given a list of items, get the last one.
Pluck
Given a list of objects, extracts the value of a specific key from each one, returning a flat list of the values for all objects.
Remove duplicates
Ensures that every item in a list exists once, and only once. Removes any duplicate values.
Rename keys
Renames all keys in a list of objects.
Reverse
Reverse the order of a list.
Rotate first item
Takes the first item of the list and puts it at the back.
Simple sort
Sorts a list of strings and / or numbers in ascending or descending order.
Slice
Creates a slice of the list from start up to, but not including, end.
Sort objects
Given the inputs list, key and order ("ascending", "descending"), sort the object by the specified key in the desired order.
Zip
Takes a list of keys and a second list of values and returns a single object with corresponding key value pairs.
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