feat: add feature flags settings overrides box (#7406)

* add feature flags settings overrides box

* cat

* useGate hook monstrosity

* pr changes

* exclude devflagsbox from code cov

* pr review

* mobile bottom bar

* nit

* initialize atom

* fix atom initialization

* remove comments

* fix devbox initialization

* nit remove diff

codecov.yml

@@ -9,6 +9,7 @@ ignore:
   - "**/styled.tsx"
   - "**/constants/**/*"
   - "constants/**/*"
+  - "src/dev/*"
 
 coverage:
   status:

src/components/TopLevelModals/index.tsx

@@ -6,11 +6,13 @@ import BaseAnnouncementBanner from 'components/Banner/BaseAnnouncementBanner'
 import AddressClaimModal from 'components/claim/AddressClaimModal'
 import ConnectedAccountBlocked from 'components/ConnectedAccountBlocked'
 import FiatOnrampModal from 'components/FiatOnrampModal'
+import DevFlagsBox from 'dev/DevFlagsBox'
 import useAccountRiskCheck from 'hooks/useAccountRiskCheck'
 import Bag from 'nft/components/bag/Bag'
 import TransactionCompleteModal from 'nft/components/collection/TransactionCompleteModal'
 import { useModalIsOpen, useToggleModal } from 'state/application/hooks'
 import { ApplicationModal } from 'state/application/reducer'
+import { isDevelopmentEnv, isStagingEnv } from 'utils/env'
 
 export default function TopLevelModals() {
   const addressClaimOpen = useModalIsOpen(ApplicationModal.ADDRESS_CLAIM)
@@ -19,6 +21,7 @@ export default function TopLevelModals() {
   const { account } = useWeb3React()
   useAccountRiskCheck(account)
   const accountBlocked = Boolean(blockedAccountModalOpen && account)
+  const shouldShowDevFlags = isDevelopmentEnv() || isStagingEnv()
 
   return (
     <>
@@ -31,6 +34,7 @@ export default function TopLevelModals() {
       <TransactionCompleteModal />
       <AirdropModal />
       <FiatOnrampModal />
+      {shouldShowDevFlags && <DevFlagsBox />}
     </>
   )
 }

src/dev/DevFlagsBox.tsx

@@ -0,0 +1,67 @@
+import { BaseVariant, FeatureFlag, featureFlagSettings as featureFlagSettingsAtom } from 'featureFlags'
+import { useAtomValue } from 'jotai/utils'
+import { useMemo, useState } from 'react'
+import { useGate } from 'statsig-react'
+import styled from 'styled-components'
+import { ThemedText } from 'theme/components'
+import { isDevelopmentEnv, isStagingEnv } from 'utils/env'
+
+const Box = styled.div`
+  position: fixed;
+  bottom: 20px;
+  left: 20px;
+  background-color: ${({ theme }) => theme.surface1};
+  padding: 10px;
+  border: 1px solid ${({ theme }) => theme.accent1};
+  z-index: 1000;
+
+  @media only screen and (max-width: ${({ theme }) => `${theme.breakpoint.md}px`}) {
+    bottom: 70px;
+  }
+`
+const TopBar = styled.div`
+  display: flex;
+  justify-content: space-between;
+`
+const Gate = (flagName: string, featureFlagSettings: Record<string, string>) => {
+  const gateResult = useGate(flagName)
+  if (gateResult) {
+    const { value: statsigValue }: { value: boolean } = gateResult
+    const flagSetting = featureFlagSettings[flagName]
+    const settingValue: boolean = flagSetting === BaseVariant.Enabled
+    if (flagSetting && statsigValue !== settingValue) {
+      return (
+        <ThemedText.LabelSmall key={flagName}>
+          {flagName}: {flagSetting}
+        </ThemedText.LabelSmall>
+      )
+    }
+  }
+  return null
+}
+
+export default function DevFlagsBox() {
+  const featureFlagsAtom = useAtomValue(featureFlagSettingsAtom)
+  const featureFlags = useMemo(() => Object.values(FeatureFlag), [])
+
+  const overrides = featureFlags.map((flagName) => Gate(flagName, featureFlagsAtom))
+  const hasOverrides = overrides.some((g) => g !== null)
+
+  const [isOpen, setIsOpen] = useState(true)
+  const toggleOpen = () => setIsOpen((open) => !open)
+
+  return (
+    <Box>
+      <TopBar onClick={toggleOpen}>
+        {isOpen ? '😺👇' : '😿☝️'}
+        {isOpen && (
+          <ThemedText.SubHeader>
+            {isStagingEnv() && 'Staging build overrides'}
+            {isDevelopmentEnv() && 'Development build overrides'}
+          </ThemedText.SubHeader>
+        )}
+      </TopBar>
+      {isOpen && (hasOverrides ? overrides : <ThemedText.LabelSmall>No overrides</ThemedText.LabelSmall>)}
+    </Box>
+  )
+}