@midnight-ntwrk/midnight-js-contracts v0.1.15 • API

---

Midnight.js API Reference v0.1.15 / @midnight-ntwrk/midnight-js-contracts / utils / fieldLens

Function: fieldLens()

fieldLens<S, K>(key): Lens<S, S[K]>

A lens for a field in an object.

Type parameters

• S extends object

Object type, from which field is being focused on

• K extends string | number | symbol

Parameters

• key: K

A key of the field to focus on

Returns

Lens<S, S[K]>