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Willmo36/monocle.nested.ts

Created October 24, 2019 18:23
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Monocle-ts nested ?
Raw
monocle.nested.ts
import { Lens } from 'monocle-ts'
type Foo = {
bar?: {
baz?: number[]
}
}
const bar = Lens.fromNullableProp<Foo>()('bar', {})
const baz = Lens.fromNullableProp<Foo['bar']>()("baz", [])
const foo:Foo = {
bar: {
baz: []
},
};
const result = bar.compose(baz).get(foo)
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