Function newHandler

lambda/handler.go:163–190

(handlerFunc interface{}, options ...Option)

}

func newHandler(handlerFunc interface{}, options ...Option) *handlerOptions {
	if h, ok := handlerFunc.(*handlerOptions); ok {
		return h
	}
	pool := &sync.Pool{}
	pool.New = func() interface{} {
		return &jsonOutBuffer{pool, bytes.NewBuffer(nil)}
	}
	h := &handlerOptions{
		baseContext:              context.Background(),
		contextValues:            map[interface{}]interface{}{},
		jsonResponseEscapeHTML:   false,
		jsonResponseIndentPrefix: "",
		jsonResponseIndentValue:  "",
		jsonOutBufferPool:        pool,
	}
	for _, option := range options {
		option(h)
	}
	for k, v := range h.contextValues {
		h.baseContext = context.WithValue(h.baseContext, k, v)
	}
	if h.enableSIGTERM {
		enableSIGTERM(h.sigtermCallbacks)
	}
	h.handlerFunc = reflectHandler(handlerFunc, h)
	return h
}

type handlerFunc func(context.Context, []byte) (io.Reader, error)