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Merged
hackall360 merged 1 commit into from
Sep 15, 2025
Merged

Enhance code highlighting with theme-aware utilities #69

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2 changes: 1 addition & 1 deletion docs/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@ Your web application, titled **"Unity Chat U1 6.6"**, provides an interactive ch
- **Speech Recognition:** Users can dictate messages through voice input, which captures speech and translates it into textual inputs in real-time.

- **Message Handling:**
- **Markdown Support:** AI-generated responses utilize Markdown, enhanced with syntax highlighting (via highlight.js) for clarity in code snippets.
- **Markdown Support:** AI-generated responses utilize Markdown with highlight.js, offering syntax highlighting for over 100 languages and automatically adapting to the active site theme.
- **Image Embedding:** Automatically embeds images generated by Pollinations based on AI conversation content.
- **Editing and Regeneration:** Users can edit their messages or regenerate AI responses conveniently from within the chat interface.

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3 changes: 2 additions & 1 deletion index.html
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Expand Up @@ -468,7 +468,8 @@ <h3 class="modal-title">Voice Chat</h3>
</script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/js/bootstrap.bundle.min.js" defer></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/highlight.min.js" defer></script>
<script defer src="js/ui/screensaver.js"></script>
<script defer src="js/ui/highlight.js"></script>
<script defer src="js/ui/screensaver.js"></script>
<script defer src="js/storage/storage.js"></script>
<script defer src="js/storage/memory-api.js"></script>

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16 changes: 6 additions & 10 deletions js/chat/chat-init.js
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Original file line number Diff line number Diff line change
Expand Up @@ -13,10 +13,6 @@ document.addEventListener("DOMContentLoaded", () => {
if (newTitle && newTitle !== currentSession.name) Storage.renameSession(currentSession.id, newTitle);
}
};
const highlightAllCodeBlocks = () => {
if (!window.hljs) return;
chatBox.querySelectorAll("pre code").forEach(block => hljs.highlightElement(block));
};
const appendMessage = ({ role, content, index, imageUrls = [], audioUrls = [] }) => {
const container = document.createElement("div");
container.classList.add("message");
Expand Down Expand Up @@ -116,8 +112,8 @@ document.addEventListener("DOMContentLoaded", () => {
block.parentNode.insertAdjacentElement("afterend", buttonContainer);
});
chatBox.appendChild(container);
chatBox.scrollTop = chatBox.scrollHeight;
highlightAllCodeBlocks();
chatBox.scrollTop = chatBox.scrollHeight;
window.highlightUtils?.highlightAllCodeBlocks(chatBox);
};
const downloadCodeAsTxt = (codeContent, language) => {
const blob = new Blob([codeContent], { type: "text/plain" });
Expand Down Expand Up @@ -394,7 +390,7 @@ document.addEventListener("DOMContentLoaded", () => {
}
}
});
highlightAllCodeBlocks();
window.highlightUtils?.highlightAllCodeBlocks(chatBox);
};
window.addNewMessage = ({ role, content, imageUrls = [], audioUrls = [] }) => {
const currentSession = Storage.getCurrentSession();
Expand Down Expand Up @@ -439,14 +435,14 @@ document.addEventListener("DOMContentLoaded", () => {
chatBox.scrollTop = chatBox.scrollHeight;
sendToPolliLib(() => {
loadingDiv.remove();
highlightAllCodeBlocks();
window.highlightUtils?.highlightAllCodeBlocks(chatBox);
}, newContent);
showToast("User message updated and new response generated");
} else {
currentSession.messages[msgIndex].content = newContent;
Storage.updateSessionMessages(currentSession.id, currentSession.messages);
renderStoredMessages(currentSession.messages);
highlightAllCodeBlocks();
window.highlightUtils?.highlightAllCodeBlocks(chatBox);
showToast("AI message updated");
}
};
Expand Down Expand Up @@ -484,7 +480,7 @@ document.addEventListener("DOMContentLoaded", () => {
console.log(`Sending re-generate request for user message: ${userMessage} (with unique suffix: ${uniqueUserMessage})`);
window.sendToPolliLib(() => {
loadingDiv.remove();
highlightAllCodeBlocks();
window.highlightUtils?.highlightAllCodeBlocks(chatBox);
checkAndUpdateSessionTitle();
showToast("Response regenerated successfully");
}, uniqueUserMessage);
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41 changes: 16 additions & 25 deletions js/chat/chat-storage.js
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Original file line number Diff line number Diff line change
Expand Up @@ -25,15 +25,6 @@ document.addEventListener("DOMContentLoaded", () => {
}
}
}
function highlightAllCodeBlocks() {
if (!window.hljs) {
return;
}
const codeBlocks = chatBox.querySelectorAll("pre code");
codeBlocks.forEach((block) => {
hljs.highlightElement(block);
});
}
function appendMessage({ role, content, index, imageUrls = [], audioUrls = [] }) {
const container = document.createElement("div");
container.classList.add("message");
Expand Down Expand Up @@ -147,9 +138,9 @@ document.addEventListener("DOMContentLoaded", () => {
buttonContainer.appendChild(downloadCodeBtn);
block.parentNode.insertAdjacentElement("afterend", buttonContainer);
});
chatBox.appendChild(container);
chatBox.scrollTop = chatBox.scrollHeight;
highlightAllCodeBlocks();
chatBox.appendChild(container);
chatBox.scrollTop = chatBox.scrollHeight;
window.highlightUtils?.highlightAllCodeBlocks(chatBox);
}
function downloadCodeAsTxt(codeContent, language) {
const blob = new Blob([codeContent], { type: "text/plain" });
Expand Down Expand Up @@ -400,7 +391,7 @@ document.addEventListener("DOMContentLoaded", () => {
audioUrls: storedAudio
});
});
highlightAllCodeBlocks();
window.highlightUtils?.highlightAllCodeBlocks(chatBox);
chatInput.disabled = false;
chatInput.focus();
}
Expand Down Expand Up @@ -450,18 +441,18 @@ document.addEventListener("DOMContentLoaded", () => {
chatBox.scrollTop = chatBox.scrollHeight;
window.sendToPolliLib(() => {
loadingDiv.remove();
highlightAllCodeBlocks();
window.highlightUtils?.highlightAllCodeBlocks(chatBox);
}, newContent);
showToast("User message updated and new response generated");
} else {
currentSession.messages[msgIndex].content = newContent;
Storage.updateSessionMessages(currentSession.id, currentSession.messages);
renderStoredMessages(currentSession.messages);
highlightAllCodeBlocks();
showToast("AI message updated");
}
}
function reGenerateAIResponse(aiIndex) {
window.highlightUtils?.highlightAllCodeBlocks(chatBox);
showToast("AI message updated");
}
}
function reGenerateAIResponse(aiIndex) {
console.log(`Re-generating AI response for index: ${aiIndex}`);
const currentSession = Storage.getCurrentSession();
if (aiIndex < 0 || aiIndex >= currentSession.messages.length || currentSession.messages[aiIndex].role !== "ai") {
Expand Down Expand Up @@ -496,12 +487,12 @@ document.addEventListener("DOMContentLoaded", () => {
chatBox.scrollTop = chatBox.scrollHeight;
const uniqueUserMessage = `${userMessage} [regen-${Date.now()}-${Math.random().toString(36).substring(2)}]`;
console.log(`Sending re-generate request for user message: ${userMessage} (with unique suffix: ${uniqueUserMessage})`);
window.sendToPolliLib(() => {
loadingDiv.remove();
highlightAllCodeBlocks();
showToast("Response regenerated successfully");
}, uniqueUserMessage);
}
window.sendToPolliLib(() => {
loadingDiv.remove();
window.highlightUtils?.highlightAllCodeBlocks(chatBox);
showToast("Response regenerated successfully");
}, uniqueUserMessage);
}

if (voiceToggleBtn) {
voiceToggleBtn.addEventListener("click", window._chatInternals.toggleAutoSpeak);
Expand Down
49 changes: 49 additions & 0 deletions js/ui/highlight.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,49 @@
(function() {
const HLJS_BASE = "https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/";

const hljsThemeMap = {
light: "github",
dark: "github-dark",
hacker: "a11y-dark",
oled: "atom-one-dark",
"subtle-light": "atom-one-light",
burple: "atom-one-dark",
"pretty-pink": "github",
nord: "nord",
"solarized-light": "solarized-light",
"solarized-dark": "solarized-dark",
"gruvbox-light": "gruvbox-light",
"gruvbox-dark": "gruvbox-dark",
cyberpunk: "atom-one-dark",
dracula: "dracula",
monokai: "monokai",
"material-dark": "atom-one-dark",
"material-light": "atom-one-light",
"pastel-dream": "github",
"ocean-breeze": "github",
"vintage-paper": "github",
honeycomb: "github",
"rainbow-throwup": "github",
serenity: "atom-one-light"
};

let hljsThemeLink = document.getElementById("hljs-theme-link");
if (!hljsThemeLink) {
hljsThemeLink = document.createElement("link");
hljsThemeLink.id = "hljs-theme-link";
hljsThemeLink.rel = "stylesheet";
document.head.appendChild(hljsThemeLink);
}

function updateHighlightTheme(themeValue) {
const hlTheme = hljsThemeMap[themeValue] || "github-dark";
hljsThemeLink.href = `${HLJS_BASE}${hlTheme}.min.css`;
}

function highlightAllCodeBlocks(container = document) {
if (!window.hljs) return;
container.querySelectorAll("pre code").forEach(block => hljs.highlightElement(block));
}

window.highlightUtils = { updateHighlightTheme, highlightAllCodeBlocks };
})();
43 changes: 2 additions & 41 deletions js/ui/ui.js
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Original file line number Diff line number Diff line change
Expand Up @@ -38,13 +38,6 @@ document.addEventListener("DOMContentLoaded", () => {
themeLinkElement.rel = "stylesheet";
document.head.appendChild(themeLinkElement);
}
let hljsThemeLink = document.getElementById("hljs-theme-link");
if (!hljsThemeLink) {
hljsThemeLink = document.createElement("link");
hljsThemeLink.id = "hljs-theme-link";
hljsThemeLink.rel = "stylesheet";
document.head.appendChild(hljsThemeLink);
}

const allThemes = [
{ value: "light", label: "Light", file: "themes/light.css" },
Expand Down Expand Up @@ -72,38 +65,6 @@ document.addEventListener("DOMContentLoaded", () => {
{ value: "serenity", label: "Serenity", file: "themes/serenity.css" }
];

const hljsThemeMap = {
light: "github",
dark: "github-dark",
hacker: "a11y-dark",
oled: "atom-one-dark",
"subtle-light": "atom-one-light",
burple: "atom-one-dark",
"pretty-pink": "github",
nord: "nord",
"solarized-light": "solarized-light",
"solarized-dark": "solarized-dark",
"gruvbox-light": "gruvbox-light",
"gruvbox-dark": "gruvbox-dark",
cyberpunk: "atom-one-dark",
dracula: "dracula",
monokai: "monokai",
"material-dark": "atom-one-dark",
"material-light": "atom-one-light",
"pastel-dream": "github",
"ocean-breeze": "github",
"vintage-paper": "github",
honeycomb: "github",
"rainbow-throwup": "github",
serenity: "atom-one-light"
};

const HLJS_BASE = "https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/";

function updateHighlightTheme(themeValue) {
const hlTheme = hljsThemeMap[themeValue] || "github-dark";
hljsThemeLink.href = `${HLJS_BASE}${hlTheme}.min.css`;
}

function populateThemeDropdowns() {
themeSelect.innerHTML = "";
Expand All @@ -130,7 +91,7 @@ document.addEventListener("DOMContentLoaded", () => {
themeSelectSettings.value = savedTheme;
const found = allThemes.find(t => t.value === savedTheme);
themeLinkElement.href = found ? found.file : "themes/dark.css";
updateHighlightTheme(savedTheme);
window.highlightUtils?.updateHighlightTheme(savedTheme);
}
loadUserTheme();

Expand All @@ -140,7 +101,7 @@ document.addEventListener("DOMContentLoaded", () => {
themeSelectSettings.value = newThemeValue;
const found = allThemes.find(t => t.value === newThemeValue);
themeLinkElement.href = found ? found.file : "";
updateHighlightTheme(newThemeValue);
window.highlightUtils?.updateHighlightTheme(newThemeValue);
}

themeSelect.addEventListener("change", () => {
Expand Down