SharePoint List Unique Permissions REST Query
How to determine if a SharePoint List/Library has unique, non-inherited permissions (role assignments).
Example
sprLib.list('Site Assets').info()
.then(objInfo => console.log(objInfo))
.catch(strErr => console.error(strErr));
Results
.-----------------------------------------------------------------------.
| Prop Name | Prop Value |
|----------------------------|------------------------------------------|
| AllowContentTypes | true |
| BaseTemplate | 101 |
| BaseType | 1 |
| Created | "2016-07-29T02:48:24Z" |
| Description | "Use this library to store files ..." |
| DraftVersionVisibility | 0 |
| EnableAttachments | false |
| EnableFolderCreation | true |
| EnableVersioning | true |
| ForceCheckout | false |
| HasUniqueRoleAssignments | false |
| Hidden | false |
| Id | "ada18ff5-ab9f-4e05-89ff-7656f4d7325e" |
| ItemCount | 142 |
| LastItemDeletedDate | "2018-08-29T02:43:19Z" |
| LastItemModifiedDate | "2018-10-27T22:14:31Z" |
| LastItemUserModifiedDate | "2018-10-17T02:00:58Z" |
| ListItemEntityTypeFullName | "SP.Data.SiteAssetsItem" |
| Title | "Site Assets" |
'-----------------------------------------------------------------------'
Usage
The info() SpRestLib method returns several useful List properties, one of which is HasUniqueRoleAssignments. This boolean value will tell you if a Lis/tLibrary has unique permissions.