Constants

filterDuplicatesById

Remove entires from source that exist in duplicates

Kind: global constant

| Param | Type | Description | | --- | --- | --- | | source | * | the list to remove duplicates from i.e. surveyQuestions | | duplicates | * | the duplicates to check - assumes it is the id field i.e. the items already selected surveyGroups.questions - map to id field in the list |

notDuplicateById

call using the array filter method - refer to filterDuplicatesById

Kind: global constant

| Param | Type | | --- | --- | | currentValue | * |

uniqueSymmetricDifference

take 2 arrays that have the key of id an return an array that has no common objects Handy for lists that don't require object that have already been selected.

Kind: global constant

| Param | Type | Description | | --- | --- | --- | | array1 | * | one array of objects | | array2 | * | another array of objects |

unionWith

All array A items will end up in the result. array b items - Only NON duplicates from array A will be added using the comparator

Kind: global constant

| Param | Type | Description | | --- | --- | --- | | a | Array | | | b | Array | | | comp | function | the comparator to match items from array A with Array B |

differenceBy

Returns items from array A that ARE NOT in array B (NOTE - If items from B are not in A - they will not be in the result)

Kind: global constant

| Param | Type | Description | | --- | --- | --- | | a | Array | | | b | Array | | | comp | function | the comparator that finds the difference in the 2 arrays |

differenceById

Wrapper for differenceBy that uses the object id as the comparator

Kind: global constant

| Param | Type | | --- | --- | | a | * | | b | * |

sameBy

Returns items from array A that ARE NOT in array B (NOTE - If items from B are not in A - they will not be in the result)

Kind: global constant

| Param | Type | Description | | --- | --- | --- | | a | Array | | | b | Array | | | comp | function | the comparator that finds the difference in the 2 arrays |

sameByIdValue

Wrapper for differenceBy that uses the object id as the comparator

Kind: global constant

| Param | Type | Description | | --- | --- | --- | | a | Array | objects that have an id field [{id: 'id1'}, {id: 'id3'}] | | b | Array | Array of value that contain the id value to lookup ['id1', 'id2'] |

addOrUpdateEntry

update the entry in the list based on the id of the object

Kind: global constant

| Param | Type | Description | | --- | --- | --- | | list | * | the list to update | | payload | * | the payload to add or update |

uniqByKeepFirst

find an object by its key, return the first instance in the list

Kind: global constant

| Param | Type | Description | | --- | --- | --- | | a | * | the list of objects | | key | * | the object key to return |

uniqByKeepLast

find an object by its key, return the last instance in the list

Kind: global constant

| Param | Type | Description | | --- | --- | --- | | a | * | the list of objects | | key | * | the object key to return |

removeDuplicatesById

remove array object duplicated by the 'id' field

Kind: global constant

| Param | Type | Description | | --- | --- | --- | | array | * | the list of objects |