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Questions - fp-ts

importing hybrid package in react native/typescript/expo

I'm trying to import the library fp-ts-std but my import fails. The readme refers to conditional exports, that is: the library exports 2 versions. More thoroughly explained here. One for cjs in fp-ts...
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Simon

typescript

expo

es6-modules

fp-ts

Votes: 0

Answers: 0

fp-ts filterWithIndex "index signatures are incompatible"

Learning typescript via fp-ts leads me to trouble. I'm getting the following error: Type 'Record<string, number>' is not assignable to type 'Timestamps'. Index signatures are incompatible. Type...
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Simon

typescript

functional-programming

fp-ts

Votes: 0

Answers: 1

Latest Answer

You predicate needs to operate on Timestamps, not numbers const predicate = (s: string, v: Timestamp) => s === "date" && v.date > 0
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bugs

Struct of these

Given a structure where each property is of type These<E, A> where E and A are different for each prop. declare const someStruct: { a1: TH.These<E1, A1>; a2: TH.These<E2, A2>...
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florian norbert bepunkt

typescript

functional-programming

fp-ts

Votes: 0

Answers: 1

Latest Answer

Apologies for the rather unclear formulated question. This is the solution I came up with. Probably not the most elegant, but working: import { match } from 'ts-pattern'; import { pipe } from 'fp-ts/l...
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florian norbert bepunkt

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