import { JwtVerifier , JwtVerifierOptions , getTokenFromHeader , JwtVerifierError } from '@serverless-jwt/jwt-verifier' ; interface Event { headers : Record < string , unknown > ; } interface NetlifyJwtVerifier { ( handler ) : ( event : Event , context : any , cb : any ) => Promise < any > ; } interface NetlifyJwtVerifierOptions extends JwtVerifierOptions { /**
     * Customize how errors are handled.
     */ handleError ? ( err ) : Record < string , unknown > ; } export interface IdentityContext { /**
     * The token that was provided.
     */ token : string ; /**
     * Claims for the authenticated user.
     */ claims : Record < string , unknown > ; } param statusCode param body const json = ( statusCode , body ) => { return { statusCode , headers : { 'Content-Type' : 'application/json' } , body : JSON . stringify ( body ) } ; } ; /**
 * Middleware to validate a token and set the user context.
 */ const validateJWT = ( verifier , options ) => { return ( handler ) => async ( event , context , cb ) => { let claims ; let accessToken ; try { accessToken = getTokenFromHeader ( event . headers . authorization as string ) ; claims = await verifier . verifyAccessToken ( accessToken ) ; } catch ( err ) { if ( typeof options . handleError !== 'undefined' && options . handleError !== null ) { return options . handleError ( err ) ; } return json ( 401 , { error : err . code , error_description : err . message } ) ; } const ctx = { token : accessToken , claims } ; context . identityContext = ctx ; return handler ( event , context , cb ) ; } ; } ; param options export const NetlifyJwtVerifier = ( options ) : NetlifyJwtVerifier => { const verifier = new JwtVerifier ( options ) ; return validateJWT ( verifier , options ) ; } ; export { claimToArray , removeNamespaces , getTokenFromHeader } from '@serverless-jwt/jwt-verifier' ;