manifold/web/hooks/use-focus.ts
mantikoros c183e00d47
Cfmm (#64)
* cpmm initial commit: common logic, cloud functions

* remove unnecessary property

* contract type

* rename 'calculate.ts' => 'calculate-dpm.ts'

* rename dpm calculations

* use focus hook

* mechanism-agnostic calculations

* bet panel: use new calculations

* use new calculations

* delete markets cloud function

* use correct contract type in scripts / functions

* calculate fixed payouts; bets list calculations

* new bet: use calculateCpmmPurchase

* getOutcomeProbabilityAfterBet

* use deductFixedFees

* fix auto-refactor

* fix antes

* separate logic to payouts-dpm, payouts-fixed

* liquidity provision tracking

* remove comment

* liquidity label

* create liquidity provision even if no ante bet

* liquidity fee

* use all bets for getFixedCancelPayouts

* updateUserBalance: allow negative balances

* store initialProbability in contracts

* turn on liquidity fee; turn off creator fee

* Include time param in tweet url, so image preview is re-fetched

* share redemption

* cpmm ContractBetsTable display

* formatMoney: handle minus zero

* filter out redemption bets

* track fees on contract and bets; change fee schedule for cpmm markets; only pay out creator fees at resolution

* small fixes

* small fixes

* Redeem shares pays back loans first

* Fix initial point on graph

* calculateCpmmPurchase: deduct creator fee

* Filter out redemption bets from feed

* set env to dev for user-testing purposes

* creator fees messaging

* new cfmm: k = y^(1-p) * n^p

* addCpmmLiquidity

* correct price function

* enable fees

* handle overflow

* liquidity provision tracking

* raise fees

* Fix merge error

* fix dpm free response payout for single outcome

* Fix DPM payout calculation

* Remove hardcoding as dev

Co-authored-by: James Grugett <jahooma@gmail.com>
2022-03-15 17:27:51 -05:00

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333 B
TypeScript

import { useRef } from 'react'
// Focus helper from https://stackoverflow.com/a/54159564/1222351
export function useFocus(): [React.RefObject<HTMLElement>, () => void] {
const htmlElRef = useRef<HTMLElement>(null)
const setFocus = () => {
htmlElRef.current && htmlElRef.current.focus()
}
return [htmlElRef, setFocus]
}