• Check the token's claims using a custom method that receives the {@Link JWTPayload} and should return true if the token is valid. Raises a 401 invalid_token error if the function returns false. You can also customise the error_description which should be formatted per rfc6750.


    app.get('/admin/edit', claimCheck((claims) => {
    return claims.isAdmin && claims.roles.includes('editor');
    }, `Unexpected 'isAdmin' and 'roles' claims`), (req, res) => { ... });


    • fn: ((payload) => boolean)
        • (payload): boolean
        • Parameters

          Returns boolean

    • Optional errMsg: string

    Returns Handler