Function getMessageFunction

Build a custom function for Fluent message and term references.

By default, fluentToResource uses this with the id fluent:message.

getMessageFunction(
    res: FluentMessageResource,
): (
    ctx: MessageFunctionContext,
    options: Record<string, unknown>,
    input?: unknown,
) => MessageReferenceValue
Parameters
- res: FluentMessageResource
  A Map of MessageFormat instances, one for each referrable message and term. This Map may be passed in as initially empty, and later filled out by the caller.
Returns (
    ctx: MessageFunctionContext,
    options: Record<string, unknown>,
    input?: unknown,
) => MessageReferenceValue
- Defined in fluent/src/functions.ts:50