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ui: add ExpFlag component for conditional rendering #3331

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merged 1 commit into from
Oct 2, 2023
Merged

ui: add ExpFlag component for conditional rendering #3331

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20 changes: 20 additions & 0 deletions web/src/app/util/useExpFlag.ts
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
import React from 'react'
import { gql, useQuery } from 'urql'

const query = gql`
Expand All @@ -15,3 +16,22 @@ export function useExpFlag(expFlag: ExpFlag): boolean {

return flags.includes(expFlag)
}

// ExpFlag is used to conditionally render experimental features.
//
// Example:
//
// <ExpFlag flag="my-flag">
// <MyFeature />
// </ExpFlag>
//
export function ExpFlag(props: {
flag: ExpFlag // The flag that must be enabled for the children to be rendered.
children: React.ReactNode
}): React.ReactNode | null {
const enabled = useExpFlag(props.flag)

if (!enabled) return null

return props.children
}