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createVersionedContext()

Home > @backstage/version-bridge > createVersionedContext

Get the existing or create a new versioned React context that's stored inside a global singleton.

Signature:

function createVersionedContext<Versions extends {
[version in number]: unknown;
}>(key: string): Context<VersionedValue<Versions> | undefined>;

Parameters

Parameter

Type

Description

key

string

A key that uniquely identifies the context.

**Returns:**

Context<VersionedValue<Versions> | undefined>

Example

const MyContext = createVersionedContext<{ 1: string }>('my-context');

const MyContextProvider = ({children}) => (
<MyContext.Provider value={createVersionedValueMap({ 1: 'value-for-version-1' })}>
{children}
<MyContext.Provider>
)