Implement replies in post header

internal/util/util.go

@@ -8,27 +8,36 @@ import (
 
 func EnrichPost(body string) string {
 	var b strings.Builder
-	for _, raw := range strings.Split(body, "\n") {
-		var out string
-		switch {
-		case strings.HasPrefix(raw, ">>"):
-			postId := strings.TrimPrefix(raw, ">>")
-			esc := template.HTMLEscapeString(raw)
-			out = fmt.Sprintf(
+	for _, rawLine := range strings.Split(body, "\n") {
+		var outLine string
+
+		for i, rawWord := range strings.Split(rawLine, " ") {
+			var outWord string
+			if strings.HasPrefix(rawWord, ">>") {
+				postId := strings.TrimPrefix(rawWord, ">>")
+				esc := template.HTMLEscapeString(rawWord)
+				outWord = fmt.Sprintf(
 					`<a onclick="onReplyLinkClick(event)" 
 						 onmouseover="highlightPost(%[1]s, event)" `+
 						`onmouseleave="highlightPost(%[1]s, event, false)" `+
 						`href="#post-%[1]s" class="reply-link">%s</a>`,
 					postId, esc,
 				)
-		case strings.HasPrefix(raw, ">"):
-			esc := template.HTMLEscapeString(raw)
-			out = `<span class="greentext">` + esc + `</span>`
-		default:
-			out = template.HTMLEscapeString(raw)
+			} else {
+				outWord = template.HTMLEscapeString(rawWord)
 			}
 
-		b.WriteString(out)
+			if i != 0 {
+				outLine += " "
+			}
+			outLine += outWord
+		}
+
+		if strings.HasPrefix(rawLine, ">") && !strings.HasPrefix(rawLine, ">>") {
+			outLine = `<span class="greentext">` + outLine + `</span>`
+		}
+
+		b.WriteString(outLine)
 		b.WriteString("<br/>")
 	}
 	return b.String()

web/static/index.css

@@ -146,12 +146,13 @@ body {
 
 .thread-subject {
     font-weight: bold;
-    color: #b294bb;
+    color: #0F0C5D;
     margin-right: 5px;
 }
 
 .post-op {
     margin-bottom: 10px;
+    font-size: 14px;
 }
 
 .post {
@@ -159,8 +160,9 @@ body {
     margin: 5x;
     padding: 10px;
     background-color: #D6DAF0;
-    border: 1px solid #282a2e;
+    border: 1px solid #B7C5D9;
     margin-bottom: 10px;
+    font-size: 14px;
 }
 
 .post-highlighted {
@@ -211,6 +213,17 @@ body {
     cursor: pointer;
 }
 
+.reply-link-header {
+    color: rgb(52, 52, 92);
+    text-decoration: underline;
+    cursor: pointer;
+    margin-left: 8px;
+}
+
+.reply-link-header:hover {
+    color: #D00;
+}
+
 /* GENERAL LAYOUT */
 
 .container {

web/static/thread.js

@@ -0,0 +1,34 @@
+const posts = Array.from(document.querySelectorAll("article"));
+
+const replies = {};
+
+for (const post of posts) {
+    const postId = +post.id.split("-")[1];
+    const postBody = post.querySelector("p").textContent;
+
+    const replyLinkIds = [...postBody.matchAll(/(?:^|\s)>>(\d+)\b/g)].map(m => parseInt(m[1]));
+    for (const replyLinkId of replyLinkIds) {
+        replies[replyLinkId] = replies[replyLinkId] ?
+            replies[replyLinkId].add(postId) :
+            replies[replyLinkId] = new Set([postId]);
+    }
+}
+
+for (const postId in replies) {
+    const post = $(`post-${postId}`);
+    const postRepliesContainer = post.querySelector(".post-replies");
+
+    const replyIds = Array.from(replies[postId]);
+    for (const replyId of replyIds) {
+        const replyLink = document.createElement("a");
+        replyLink.textContent = `>>${replyId}`;
+        replyLink.classList.add("reply-link-header");
+        replyLink.setAttribute("href", `#post-${replyId}`);
+
+        replyLink.onmouseover = (e) => highlightPost(+replyId, e);
+        replyLink.onmouseleave = (e) => highlightPost(+replyId, e, false);
+        replyLink.onclick = onReplyLinkClick;
+
+        postRepliesContainer.append(replyLink);
+    }
+}

web/views/shared/layout.templ

@@ -8,7 +8,7 @@ templ Layout() {
 			<title>Comfychan</title>
 			<script src="https://unpkg.com/htmx.org@2.0.4"></script>
 			<script src="https://unpkg.com/hyperscript.org@0.9.14"></script>
-			<script src="/static/index.js" defer></script>
+			<script src="/static/index.js"></script>
 			<link rel="stylesheet" href="/static/reset.css"/>
 			<link rel="stylesheet" href="/static/index.css"/>
 		</head>

web/views/thread.templ

@@ -36,6 +36,7 @@ templ ThreadPost(post database.Post, thread *database.Thread) {
 			>
 				No.{ strconv.Itoa(post.Id) }
 			</span>
+			<div class="post-replies"></div>
 		</header>
 		<p>
 			@templ.Raw(util.EnrichPost(post.Body))
@@ -52,6 +53,7 @@ templ ThreadPosts(posts []database.Post) {
 
 templ Thread(board database.Board, thread database.Thread, posts []database.Post) {
 	@shared.Layout() {
+		<script src="/static/thread.js" defer></script>
 		@BoardHeader(board)
 		<div class="new-post-container">
 			<form