Class SelectionUnique<Item, Trait>

Like Selection, but for unique indexes.

Type parameters

Item: Storable
Trait: Indexable

Hierarchy

SelectionUnique

Index

Methods

Methods

delete

delete(): Promise<void>

- Defined in src/query.ts:571
Like Selection.delete

Returns Promise<void>

get

get(): Promise<Item>

- Defined in src/query.ts:576
Get the selected item from the database.

Returns Promise<Item>

getOr

getOr<T>(alternative: T): Promise<Item | T>

- Defined in src/query.ts:584
Get the selected item from the database, or an alternative value if the item isn't found.

Type parameters
- T
Parameters
- alternative: T
Returns Promise<Item | T>

replace

replace(mapper: (oldItem: Item) => Item): Promise<void>

- Defined in src/query.ts:561
Like Selection.replace

Parameters
- mapper: (oldItem: Item) => Item
  - - (oldItem: Item): Item
    - Parameters
      - oldItem: Item
      Returns Item
Returns Promise<void>

update

update(delta: Partial<Item>): Promise<void>

- Defined in src/query.ts:566
Like Selection.update

Parameters
- delta: Partial<Item>
Returns Promise<void>

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