bdeb1337
9391a252aa
Streams replies over SSE from any OpenAI-compatible server (oMLX, llama.cpp, Ollama, ...). Single binary that can install itself as an OS service; docker compose bundles llama.cpp + Gemma 4 E2B.
40 lines
1.3 KiB
JavaScript
40 lines
1.3 KiB
JavaScript
// Small UX touches on top of HTMX: Enter to send, auto-growing textarea,
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// clearing the input after sending, and keeping the newest message in view.
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(() => {
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const form = document.getElementById("composer");
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const input = form.querySelector("textarea");
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const messages = document.getElementById("messages");
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const grow = () => {
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input.style.height = "auto";
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input.style.height = input.scrollHeight + "px";
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};
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const nearBottom = () =>
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messages.scrollHeight - messages.scrollTop - messages.clientHeight < 120;
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const scrollDown = () => (messages.scrollTop = messages.scrollHeight);
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input.addEventListener("input", grow);
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input.addEventListener("keydown", (e) => {
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if (e.key === "Enter" && !e.shiftKey && !e.isComposing) {
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e.preventDefault();
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if (input.value.trim()) form.requestSubmit();
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}
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});
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form.addEventListener("htmx:afterRequest", (e) => {
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if (e.detail.successful) {
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form.reset();
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grow();
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scrollDown();
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}
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});
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// Follow streaming tokens, unless the user scrolled up to read.
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let follow = true;
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messages.addEventListener("scroll", () => (follow = nearBottom()));
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document.body.addEventListener("htmx:sseMessage", () => follow && scrollDown());
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document.body.addEventListener("htmx:afterSwap", () => follow && scrollDown());
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scrollDown();
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})();
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