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add copy button #67

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Merged
trouze merged 2 commits into from
Jun 22, 2026
Merged

add copy button #67

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08d136c
add copy button
trouze Jun 22, 2026
a43c418
change code theme
trouze Jun 22, 2026
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4 changes: 4 additions & 0 deletions src/content.config.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,8 @@ function removeDupsAndLowerCase(array: string[]) {
return Array.from(distinctItems);
}

const codeStyleSchema = z.enum(["default", "mac", "terminal"]).optional();

const post = defineCollection({
loader: glob({ pattern: "**/*.{md,mdx}", base: "./src/content/post" }),
schema: ({ image }) =>
Expand All @@ -32,6 +34,7 @@ const post = defineCollection({
.string()
.optional()
.transform((str) => (str ? new Date(str) : undefined)),
codeStyle: codeStyleSchema,
}),
});

Expand All @@ -58,6 +61,7 @@ const project = defineCollection({
.string()
.optional()
.transform((str) => (str ? new Date(str) : undefined)),
codeStyle: codeStyleSchema,
}),
});

Expand Down
165 changes: 163 additions & 2 deletions src/layouts/BlogPost.astro
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,7 @@ const idx = isProject ? -1 : sortedAll.findIndex((p) => p.id === post.id);
const newerPost = idx > 0 ? sortedAll[idx - 1] : undefined;
const olderPost = idx >= 0 && idx < sortedAll.length - 1 ? sortedAll[idx + 1] : undefined;
const {
data: { coverImage, description, ogImage, publishDate, title, updatedDate, tags, draft },
data: { coverImage, description, ogImage, publishDate, title, updatedDate, tags, draft, codeStyle },
id: slug,
} = post;
const socialImage = ogImage ?? `/og-image/${slug}.png`;
Expand Down Expand Up @@ -126,7 +126,7 @@ const giscusThemes = import.meta.env.PROD
<hr class="rule" />
)}

<article class="post-article">
<article class="post-article" data-code-style={codeStyle ?? "default"}>
<slot />
</article>

Expand Down Expand Up @@ -529,6 +529,10 @@ const giscusThemes = import.meta.env.PROD
transition: background-color 0.35s ease, border-color 0.35s ease;
}

.post-article .code-wrapper {
position: relative;
margin: 28px 0;
}
.post-article pre {
background: var(--paper);
border: 1px solid var(--hairline);
Expand All @@ -541,6 +545,9 @@ const giscusThemes = import.meta.env.PROD
line-height: 1.7;
transition: background-color 0.35s ease, border-color 0.35s ease;
}
.post-article .code-wrapper > pre {
margin: 0;
}
.post-article pre code {
background: transparent;
border: 0;
Expand All @@ -552,6 +559,99 @@ const giscusThemes = import.meta.env.PROD
.post-article .expressive-code {
margin: 28px 0;
}
.post-article .copy-code-btn {
position: absolute;
top: 8px;
right: 8px;
font-family: var(--font-mono);
font-size: 10.5px;
letter-spacing: 0.08em;
text-transform: uppercase;
color: hsl(var(--theme-text) / 0.45);
background: var(--paper);
border: 1px solid var(--hairline);
border-radius: 3px;
padding: 3px 8px;
cursor: pointer;
opacity: 0;
line-height: 1.6;
transition: opacity 0.18s ease, color 0.18s ease, border-color 0.18s ease, background-color 0.35s ease;
}
.post-article .code-wrapper:hover .copy-code-btn,
.post-article .copy-code-btn:focus-visible {
opacity: 1;
}
.post-article .copy-code-btn:hover {
color: hsl(var(--theme-accent));
border-color: hsl(var(--theme-accent) / 0.5);
}
.post-article .copy-code-btn[data-copied="true"] {
color: hsl(var(--theme-accent));
opacity: 1;
}

/* Mac window style */
.post-article .mac-bar {
display: flex;
align-items: center;
gap: 6px;
padding: 0 12px;
height: 36px;
background: var(--paper);
border: 1px solid var(--hairline);
border-bottom: 0;
border-radius: 4px 4px 0 0;
transition: background-color 0.35s ease, border-color 0.35s ease;
}
.post-article .mac-dot {
width: 12px;
height: 12px;
border-radius: 50%;
flex-shrink: 0;
}
.post-article .mac-dot:nth-child(1) { background: #FF5F57; }
.post-article .mac-dot:nth-child(2) { background: #FFBD2E; }
.post-article .mac-dot:nth-child(3) { background: #28CA41; }
.post-article .code-wrapper.mac-window > pre {
border-top: 0;
border-radius: 0 0 4px 4px;
}
/* Copy button lives in the title bar for mac-window blocks */
.post-article .mac-bar .copy-code-btn {
position: static;
margin-left: auto;
opacity: 0.45;
}
.post-article .code-wrapper.mac-window:hover .copy-code-btn,
.post-article .mac-bar .copy-code-btn:focus-visible {
opacity: 1;
}

/* Terminal style — dots | spacer | copy, with a distinct bar color */
.post-article .terminal-bar {
display: flex;
align-items: center;
gap: 6px;
padding: 0 12px;
height: 36px;
background: var(--hairline);
border: 1px solid var(--hairline);
border-bottom: 0;
border-radius: 4px 4px 0 0;
transition: background-color 0.35s ease, border-color 0.35s ease;
}
.post-article .terminal-dots {
display: flex;
align-items: center;
gap: 6px;
}
.post-article .code-wrapper.terminal > pre {
border-top: 0;
border-radius: 0 0 4px 4px;
}
.post-article .code-wrapper.terminal > .copy-code-btn {
top: calc(36px + 8px);
}

.post-article ul {
margin: 0 0 28px;
Expand Down Expand Up @@ -874,6 +974,67 @@ const giscusThemes = import.meta.env.PROD
lazyImgs.forEach((img) => io.observe(img));
}

const articleEl = document.querySelector<HTMLElement>(".post-article");
const postCodeStyle = articleEl?.dataset.codeStyle ?? "default";

document.querySelectorAll<HTMLPreElement>(".post-article pre").forEach((pre) => {
const metaParts = (pre.dataset.meta ?? "").split(/\s+/);
const isMac = postCodeStyle === "mac" || metaParts.includes("mac");
const isTerminal = postCodeStyle === "terminal" || metaParts.includes("terminal");

const wrapper = document.createElement("div");
wrapper.className =
"code-wrapper" + (isMac ? " mac-window" : isTerminal ? " terminal" : "");
pre.parentNode?.insertBefore(wrapper, pre);
wrapper.appendChild(pre);

const btn = document.createElement("button");
btn.type = "button";
btn.className = "copy-code-btn";
btn.setAttribute("aria-label", "Copy code");
btn.textContent = "copy";
btn.addEventListener("click", async () => {
const text = pre.querySelector("code")?.textContent ?? pre.textContent ?? "";
try {
await navigator.clipboard.writeText(text);
btn.textContent = "copied";
btn.dataset.copied = "true";
setTimeout(() => {
btn.textContent = "copy";
delete btn.dataset.copied;
}, 1500);
} catch {}
});

if (isMac) {
const bar = document.createElement("div");
bar.className = "mac-bar";
for (let i = 0; i < 3; i++) {
const dot = document.createElement("span");
dot.className = "mac-dot";
bar.appendChild(dot);
}
bar.appendChild(btn);
wrapper.insertBefore(bar, pre);
} else if (isTerminal) {
const bar = document.createElement("div");
bar.className = "terminal-bar";

const dotsEl = document.createElement("div");
dotsEl.className = "terminal-dots";
for (let i = 0; i < 3; i++) {
const dot = document.createElement("span");
dot.className = "mac-dot";
dotsEl.appendChild(dot);
}
bar.appendChild(dotsEl);
wrapper.insertBefore(bar, pre);
wrapper.appendChild(btn);
} else {
wrapper.appendChild(btn);
}
});

const slugify = (s: string) =>
s.toLowerCase().trim().replace(/[^a-z0-9]+/g, "-").replace(/^-+|-+$/g, "");
const usedIds = new Set<string>();
Expand Down