From 0b252c83a4e34b97286523208f6004a1f7b6e2ba Mon Sep 17 00:00:00 2001
From: liyunze <50455574+liyunze-coding@users.noreply.github.com>
Date: Sat, 5 Sep 2026 16:23:48 +0800
Subject: [PATCH] added share button

---
 src/lib/components/FeedRow.svelte      | 28 ++++++++++-
 src/lib/components/ShareButton.svelte  | 66 ++++++++++++++++++++++++++
 src/routes/notes/+page.svelte          |  9 ++--
 src/routes/notes/[id]/+page.svelte     | 11 +++--
 src/routes/questions/+page.svelte      |  9 ++--
 src/routes/questions/[id]/+page.svelte | 11 +++--
 src/routes/search/+page.svelte         | 12 ++---
 src/routes/topics/[slug]/+page.svelte  | 12 ++---
 src/routes/units/[code]/+page.svelte   | 12 ++---
 9 files changed, 136 insertions(+), 34 deletions(-)
 create mode 100644 src/lib/components/ShareButton.svelte

diff --git a/src/lib/components/FeedRow.svelte b/src/lib/components/FeedRow.svelte
index 77e0cc8..24a9e38 100644
--- a/src/lib/components/FeedRow.svelte
+++ b/src/lib/components/FeedRow.svelte
@@ -1,6 +1,7 @@
 <script lang="ts">
 	import { previewMarkdown } from "$lib/markdown";
 	import { unitPath } from "$lib/paths";
+	import ShareButton from "./ShareButton.svelte";
 	import VoteStack from "./VoteStack.svelte";
 
 	let {
@@ -9,6 +10,9 @@
 		content,
 		unitCode,
 		meta,
+		authorName,
+		authorId,
+		extra,
 		voteCount = 0,
 		targetType,
 		targetId,
@@ -18,7 +22,10 @@
 		title: string;
 		content?: string;
 		unitCode?: string;
-		meta: string;
+		meta?: string;
+		authorName?: string;
+		authorId?: string;
+		extra?: string;
 		voteCount?: number;
 		targetType: "note" | "question";
 		targetId: string;
@@ -48,6 +55,23 @@
 				{previewMarkdown(content)}
 			</p>
 		{/if}
-		<p class="kicker mt-1.5">{meta}</p>
+		<div class="kicker mt-1.5 flex flex-wrap items-center gap-x-2 gap-y-1">
+			{#if authorName}
+				{#if authorId}
+					<a href={`/users/${authorId}`} class="hover:text-primary">{authorName}</a>
+				{:else}
+					<span>{authorName}</span>
+				{/if}
+			{/if}
+			{#if extra}
+				{#if authorName}<span aria-hidden="true">·</span>{/if}
+				<span>{extra}</span>
+			{/if}
+			{#if meta}
+				{#if authorName || extra}<span aria-hidden="true">·</span>{/if}
+				<span>{meta}</span>
+			{/if}
+			<ShareButton url={href} {title} />
+		</div>
 	</div>
 </article>
diff --git a/src/lib/components/ShareButton.svelte b/src/lib/components/ShareButton.svelte
new file mode 100644
index 0000000..3d62f2e
--- /dev/null
+++ b/src/lib/components/ShareButton.svelte
@@ -0,0 +1,66 @@
+<script lang="ts">
+	let {
+		url,
+		title,
+	}: {
+		url?: string;
+		title?: string;
+	} = $props();
+
+	let copied = $state(false);
+	let copyTimer: ReturnType<typeof setTimeout> | undefined;
+
+	function absoluteUrl(href: string) {
+		return new URL(href, window.location.origin).href;
+	}
+
+	async function share(event: MouseEvent) {
+		event.preventDefault();
+		event.stopPropagation();
+		const href = absoluteUrl(url ?? window.location.href);
+		try {
+			if (navigator.share) {
+				await navigator.share({ title, url: href });
+				return;
+			}
+		} catch (err) {
+			if (err instanceof DOMException && err.name === "AbortError") return;
+		}
+
+		try {
+			await navigator.clipboard.writeText(href);
+			copied = true;
+			clearTimeout(copyTimer);
+			copyTimer = setTimeout(() => (copied = false), 1500);
+		} catch {
+			/* ignore */
+		}
+	}
+</script>
+
+<button
+	type="button"
+	onclick={share}
+	class="text-faint hover:text-primary hover:bg-rule -ml-1 inline-flex h-7 w-7 items-center justify-center rounded-sm transition-colors"
+	aria-label={copied ? "Link copied" : "Share"}
+	title={copied ? "Copied" : "Share"}
+>
+	{#if copied}
+		<svg
+			class="h-3.5 w-3.5"
+			viewBox="0 0 24 24"
+			fill="none"
+			stroke="currentColor"
+			stroke-width="1.75"
+			aria-hidden="true"
+		>
+			<path d="M5 13l4 4L19 7" stroke-linecap="square" />
+		</svg>
+	{:else}
+		<svg class="h-3.5 w-3.5" viewBox="0 0 512 512" fill="currentColor" aria-hidden="true">
+			<path
+				d="M512,241.7L273.643,3.343v156.152c-71.41,3.744-138.015,33.337-188.958,84.28C30.075,298.384,0,370.991,0,448.222v60.436l29.069-52.985c45.354-82.671,132.173-134.027,226.573-134.027c5.986,0,12.004,0.212,18.001,0.632v157.779L512,241.7z M255.642,290.666c-84.543,0-163.661,36.792-217.939,98.885c26.634-114.177,129.256-199.483,251.429-199.483h15.489V78.131l163.568,163.568L304.621,405.267V294.531l-13.585-1.683C279.347,291.401,267.439,290.666,255.642,290.666z"
+			/>
+		</svg>
+	{/if}
+</button>
diff --git a/src/routes/notes/+page.svelte b/src/routes/notes/+page.svelte
index e6fbebb..73320ab 100644
--- a/src/routes/notes/+page.svelte
+++ b/src/routes/notes/+page.svelte
@@ -5,7 +5,6 @@
 	import UnitFilter from "$lib/components/UnitFilter.svelte";
 	import { postPath } from "$lib/paths";
 	import { unitMatchesQuery } from "$lib/search";
-	import { timeAgo } from "$lib/time";
 	import type { NoteDoc, UnitDoc } from "$lib/types";
 
 	let notes: (NoteDoc & { unit?: UnitDoc })[] = $state([]);
@@ -96,9 +95,11 @@
 				unitCode={note.unit
 					? note.unit.code + (note.unit.code2 ? ` / ${note.unit.code2}` : "")
 					: undefined}
-				meta="{note.authorName} · {timeAgo(
-					note.createdAt,
-				)} · {note.commentCount} comment{note.commentCount === 1 ? '' : 's'}"
+				authorName={note.authorName}
+				authorId={note.authorId}
+				extra={note.commentCount > 0
+					? `${note.commentCount} comment${note.commentCount === 1 ? "" : "s"}`
+					: undefined}
 				voteCount={note.voteCount}
 				targetType="note"
 				targetId={note._id}
diff --git a/src/routes/notes/[id]/+page.svelte b/src/routes/notes/[id]/+page.svelte
index 7e18375..30ef3a6 100644
--- a/src/routes/notes/[id]/+page.svelte
+++ b/src/routes/notes/[id]/+page.svelte
@@ -8,6 +8,7 @@
 	import MarkdownEditor from "$lib/components/MarkdownEditor.svelte";
 	import CommentThread from "$lib/components/CommentThread.svelte";
 	import Seo from "$lib/components/Seo.svelte";
+	import ShareButton from "$lib/components/ShareButton.svelte";
 	import { postSeo } from "$lib/seo";
 	import { timeAgo } from "$lib/time";
 	import type { NoteDoc, CommentDoc, TopicDoc, UnitDoc } from "$lib/types";
@@ -201,11 +202,13 @@
 					{/if}
 				{/if}
 				{#if !editMode}
-					<p class="kicker mt-3">
+					<div class="kicker mt-3">
 						<a href={`/users/${note.authorId}`} class="hover:text-primary"
 							>{note.authorName}</a
 						>
 						· {timeAgo(note.createdAt)}
+						·
+						<ShareButton title={note.title} />
 						{#if isAuthor}
 							·
 							<button
@@ -225,7 +228,7 @@
 								{deleteLoading ? "Deleting..." : "Delete"}
 							</button>
 						{/if}
-					</p>
+					</div>
 				{/if}
 			</div>
 		</div>
@@ -255,7 +258,9 @@
 		{/if}
 
 		<section class="border-rule mt-12 border-t pt-8">
-			<p class="kicker mb-6">Comments ({comments.length})</p>
+			<p class="kicker mb-6">
+				Comments{comments.length > 0 ? ` (${comments.length})` : ""}
+			</p>
 
 			{#if get(isAuthenticated)}
 				<div class="mb-8">
diff --git a/src/routes/questions/+page.svelte b/src/routes/questions/+page.svelte
index ba88a38..cb62b4a 100644
--- a/src/routes/questions/+page.svelte
+++ b/src/routes/questions/+page.svelte
@@ -5,7 +5,6 @@
 	import UnitFilter from "$lib/components/UnitFilter.svelte";
 	import { postPath } from "$lib/paths";
 	import { unitMatchesQuery } from "$lib/search";
-	import { timeAgo } from "$lib/time";
 	import type { QuestionDoc, UnitDoc } from "$lib/types";
 
 	let questions: (QuestionDoc & { unit?: UnitDoc })[] = $state([]);
@@ -95,9 +94,11 @@
 				unitCode={question.unit
 					? question.unit.code + (question.unit.code2 ? ` / ${question.unit.code2}` : "")
 					: undefined}
-				meta="{question.authorName} · {timeAgo(
-					question.createdAt,
-				)} · {question.answerCount} answer{question.answerCount === 1 ? '' : 's'}"
+				authorName={question.authorName}
+				authorId={question.authorId}
+				extra={question.answerCount > 0
+					? `${question.answerCount} answer${question.answerCount === 1 ? "" : "s"}`
+					: undefined}
 				voteCount={question.voteCount}
 				targetType="question"
 				targetId={question._id}
diff --git a/src/routes/questions/[id]/+page.svelte b/src/routes/questions/[id]/+page.svelte
index 6db2795..52b06fd 100644
--- a/src/routes/questions/[id]/+page.svelte
+++ b/src/routes/questions/[id]/+page.svelte
@@ -8,6 +8,7 @@
 	import MarkdownEditor from "$lib/components/MarkdownEditor.svelte";
 	import CommentThread from "$lib/components/CommentThread.svelte";
 	import Seo from "$lib/components/Seo.svelte";
+	import ShareButton from "$lib/components/ShareButton.svelte";
 	import { postSeo } from "$lib/seo";
 	import { timeAgo } from "$lib/time";
 	import type { QuestionDoc, CommentDoc, TopicDoc, UnitDoc } from "$lib/types";
@@ -187,11 +188,13 @@
 					{/if}
 				{/if}
 				{#if !editMode}
-					<p class="kicker mt-3">
+					<div class="kicker mt-3">
 						<a href={`/users/${question.authorId}`} class="hover:text-primary"
 							>{question.authorName}</a
 						>
 						· {timeAgo(question.createdAt)}
+						·
+						<ShareButton title={question.title} />
 						{#if isAuthor}
 							·
 							<button
@@ -212,7 +215,7 @@
 								</button>
 							{/if}
 						{/if}
-					</p>
+					</div>
 				{/if}
 			</div>
 		</div>
@@ -242,7 +245,9 @@
 		{/if}
 
 		<section class="border-rule mt-12 border-t pt-8">
-			<p class="kicker mb-6">Answers ({answers.length})</p>
+			<p class="kicker mb-6">
+				Answers{answers.length > 0 ? ` (${answers.length})` : ""}
+			</p>
 
 			{#if get(isAuthenticated)}
 				<div class="mb-8">
diff --git a/src/routes/search/+page.svelte b/src/routes/search/+page.svelte
index 940471b..af95f1d 100644
--- a/src/routes/search/+page.svelte
+++ b/src/routes/search/+page.svelte
@@ -85,9 +85,9 @@
 					unitCode={result.unit
 						? result.unit.code + (result.unit.code2 ? ` / ${result.unit.code2}` : "")
 						: undefined}
-					meta="{result.authorName} · {timeAgo(
-						result.createdAt,
-					)} · {result.commentCount} comment{result.commentCount === 1 ? '' : 's'}"
+					meta={result.commentCount > 0
+						? `${result.authorName} · ${timeAgo(result.createdAt)} · ${result.commentCount} comment${result.commentCount === 1 ? "" : "s"}`
+						: `${result.authorName} · ${timeAgo(result.createdAt)}`}
 					voteCount={result.voteCount}
 					targetType="note"
 					targetId={result._id}
@@ -101,9 +101,9 @@
 					unitCode={result.unit
 						? result.unit.code + (result.unit.code2 ? ` / ${result.unit.code2}` : "")
 						: undefined}
-					meta="{result.authorName} · {timeAgo(
-						result.createdAt,
-					)} · {result.answerCount} answer{result.answerCount === 1 ? '' : 's'}"
+					meta={result.answerCount > 0
+						? `${result.authorName} · ${timeAgo(result.createdAt)} · ${result.answerCount} answer${result.answerCount === 1 ? "" : "s"}`
+						: `${result.authorName} · ${timeAgo(result.createdAt)}`}
 					voteCount={result.voteCount}
 					targetType="question"
 					targetId={result._id}
diff --git a/src/routes/topics/[slug]/+page.svelte b/src/routes/topics/[slug]/+page.svelte
index 9ef53f4..f6da8cd 100644
--- a/src/routes/topics/[slug]/+page.svelte
+++ b/src/routes/topics/[slug]/+page.svelte
@@ -67,9 +67,9 @@
 					unitCode={note.unit
 						? note.unit.code + (note.unit.code2 ? ` / ${note.unit.code2}` : "")
 						: undefined}
-					meta="{note.authorName} · {timeAgo(
-						note.createdAt,
-					)} · {note.commentCount} comment{note.commentCount === 1 ? '' : 's'}"
+					meta={note.commentCount > 0
+						? `${note.authorName} · ${timeAgo(note.createdAt)} · ${note.commentCount} comment${note.commentCount === 1 ? "" : "s"}`
+						: `${note.authorName} · ${timeAgo(note.createdAt)}`}
 					voteCount={note.voteCount}
 					targetType="note"
 					targetId={note._id}
@@ -88,9 +88,9 @@
 						? question.unit.code +
 							(question.unit.code2 ? ` / ${question.unit.code2}` : "")
 						: undefined}
-					meta="{question.authorName} · {timeAgo(
-						question.createdAt,
-					)} · {question.answerCount} answer{question.answerCount === 1 ? '' : 's'}"
+					meta={question.answerCount > 0
+						? `${question.authorName} · ${timeAgo(question.createdAt)} · ${question.answerCount} answer${question.answerCount === 1 ? "" : "s"}`
+						: `${question.authorName} · ${timeAgo(question.createdAt)}`}
 					voteCount={question.voteCount}
 					targetType="question"
 					targetId={question._id}
diff --git a/src/routes/units/[code]/+page.svelte b/src/routes/units/[code]/+page.svelte
index 1b8d1d9..5a542aa 100644
--- a/src/routes/units/[code]/+page.svelte
+++ b/src/routes/units/[code]/+page.svelte
@@ -174,9 +174,9 @@
 					title={note.title}
 					content={note.content}
 					unitCode={unit.code + (unit.code2 ? ` / ${unit.code2}` : "")}
-					meta="{timeAgo(
-						note.createdAt,
-					)} · {note.commentCount} comment{note.commentCount === 1 ? '' : 's'}"
+					meta={note.commentCount > 0
+						? `${timeAgo(note.createdAt)} · ${note.commentCount} comment${note.commentCount === 1 ? "" : "s"}`
+						: timeAgo(note.createdAt)}
 					voteCount={note.voteCount}
 					targetType="note"
 					targetId={note._id}
@@ -192,9 +192,9 @@
 					title={question.title}
 					content={question.content}
 					unitCode={unit.code + (unit.code2 ? ` / ${unit.code2}` : "")}
-					meta="{question.authorName} · {timeAgo(
-						question.createdAt,
-					)} · {question.answerCount} answer{question.answerCount === 1 ? '' : 's'}"
+					meta={question.answerCount > 0
+						? `${question.authorName} · ${timeAgo(question.createdAt)} · ${question.answerCount} answer${question.answerCount === 1 ? "" : "s"}`
+						: `${question.authorName} · ${timeAgo(question.createdAt)}`}
 					voteCount={question.voteCount}
 					targetType="question"
 					targetId={question._id}