// mix strings and buffers

Deno.serve(request => new Response(ReadableStream.from(preprocess(request))))

let encoder = new TextEncoder()

async function * preprocess(request)
{
    for await (let chunk of makeStream(request))
    {
        if (typeof chunk === "string") chunk = encoder.encode(chunk)
        yield chunk
    }
}

async function * makeStream(request)
{
    yield "Hello, "
    yield encoder.encode("world!")
}

// mix strings and buffers

Deno.serve(request => new Response(ReadableStream.from(preprocess(request))))

let encoder = new TextEncoder()

async function * preprocess(request)
{
    for await (let chunk of makeStream(request))
    {
        if (typeof chunk === "string") chunk = encoder.encode(chunk)
        yield chunk
    }
}

async function * makeStream(request)
{
    yield "Hello, "
    yield encoder.encode("world!")
}

// only buffers
Deno.serve(request => new Response(ReadableStream.from(makeStream(request))))

let encoder = new TextEncoder()

async function * makeStream(request)
{
    yield encoder.encode("Hello, ")
    yield encoder.encode("world!")
}

// only buffers
Deno.serve(request => new Response(ReadableStream.from(makeStream(request))))

let encoder = new TextEncoder()

async function * makeStream(request)
{
    yield encoder.encode("Hello, ")
    yield encoder.encode("world!")
}

// only strings
Deno.serve(request => new Response(ReadableStream.from(makeStream(request)).pipeThrough(new TextEncoderStream())))

async function * makeStream(request)
{
    yield "Hello, "
    yield "world!"
}

// only strings
Deno.serve(request => new Response(ReadableStream.from(makeStream(request)).pipeThrough(new TextEncoderStream())))

async function * makeStream(request)
{
    yield "Hello, "
    yield "world!"
}