加入程式碼 Syntax Highlighting，使用 rehype-prism-plus - Modern Next.js Blog 系列 #14

已複製！
pnpm add rehype-prism-plus

已複製！
// 加入下面這行
import rehypePrism from "rehype-prism-plus";

// ...

export default makeSource({
  // ...
  // 加入下面這行
  mdx: { rehypePlugins: [[rehypePrism, { ignoreMissing: true }]] },
});

已複製！
/* https://github.com/timlrx/rehype-prism-plus#styling */

pre {
  overflow-x: auto;
}

/**
 * Inspired by gatsby remark prism - https://www.gatsbyjs.com/plugins/gatsby-remark-prismjs/
 * 1. Make the element just wide enough to fit its content.
 * 2. Always fill the visible space in .code-highlight.
 */
.code-highlight {
  float: left; /* 1 */
  min-width: 100%; /* 2 */
}

.code-line {
  display: block;
  padding-left: 16px;
  padding-right: 16px;
  margin-left: -16px;
  margin-right: -16px;
  border-left-width: 4px;
  border-left-color: rgba(31, 41, 55, 0); /* Set code block color */
}

.code-line.inserted {
  background-color: rgba(16, 185, 129, 0.2); /* Set inserted line (+) color */
}

.code-line.deleted {
  background-color: rgba(239, 68, 68, 0.2); /* Set deleted line (-) color */
}

.highlight-line {
  margin-left: -16px;
  margin-right: -16px;
  background-color: rgba(55, 65, 81, 0.5); /* Set highlight bg color */
  border-left-width: 4px;
  border-left-color: rgb(59, 130, 246); /* Set highlight accent border color */
}

.line-number::before {
  display: inline-block;
  width: 1rem;
  text-align: right;
  margin-right: 16px;
  margin-left: -8px;
  color: rgb(156, 163, 175); /* Line number color */
  content: attr(line);
}

已複製！
/**
 * Dracula Theme originally by Zeno Rocha [@zenorocha]
 * https://draculatheme.com/
 *
 * Ported for PrismJS by Albert Vallverdu [@byverdu]
 */

code[class*="language-"],
pre[class*="language-"] {
  color: #f8f8f2;
  background: none;
  text-shadow: 0 1px rgba(0, 0, 0, 0.3);
  font-family: Consolas, Monaco, "Andale Mono", "Ubuntu Mono", monospace;
  text-align: left;
  white-space: pre;
  word-spacing: normal;
  word-break: normal;
  word-wrap: normal;
  line-height: 1.5;
  -moz-tab-size: 4;
  -o-tab-size: 4;
  tab-size: 4;
  -webkit-hyphens: none;
  -moz-hyphens: none;
  -ms-hyphens: none;
  hyphens: none;
}

/* Code blocks */
pre[class*="language-"] {
  padding: 1em;
  margin: 0.5em 0;
  overflow: auto;
  border-radius: 0.3em;
}

:not(pre) > code[class*="language-"],
pre[class*="language-"] {
  background: #282a36;
}

/* Inline code */
:not(pre) > code[class*="language-"] {
  padding: 0.1em;
  border-radius: 0.3em;
  white-space: normal;
}

.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
  color: #6272a4;
}

.token.punctuation {
  color: #f8f8f2;
}

.namespace {
  opacity: 0.7;
}

.token.property,
.token.tag,
.token.constant,
.token.symbol,
.token.deleted {
  color: #ff79c6;
}

.token.boolean,
.token.number {
  color: #bd93f9;
}

.token.selector,
.token.attr-name,
.token.string,
.token.char,
.token.builtin,
.token.inserted {
  color: #50fa7b;
}

.token.operator,
.token.entity,
.token.url,
.language-css .token.string,
.style .token.string,
.token.variable {
  color: #f8f8f2;
}

.token.atrule,
.token.attr-value,
.token.function,
.token.class-name {
  color: #f1fa8c;
}

.token.keyword {
  color: #8be9fd;
}

.token.regex,
.token.important {
  color: #ffb86c;
}

.token.important,
.token.bold {
  font-weight: bold;
}

.token.italic {
  font-style: italic;
}

.token.entity {
  cursor: help;
}

已複製！
import "@/styles/prism-dracula.css";
import "@/styles/prism-plus.css";

// ...

已複製！
---
title: Post with code
description: My post with code
slug: post-with-code
date: 2022-09-01
type: Post
---

## Some post with code!

Some other posts! with `some inline code`!

    ```js showLineNumbers
    const a = 1;
    a = 2;
    ```

    ```tsx showLineNumbers {5,15-17}
    import "@/styles/globals.css";

    import type { AppProps } from "next/app";
    import Head from "next/head";
    import { ThemeProvider } from "next-themes";

    import LayoutWrapper from "@/components/LayoutWrapper";

    function MyApp({ Component, pageProps }: AppProps) {
      return (
        <ThemeProvider attribute="class">
          <Head>
            <meta name="viewport" content="viewport-fit=cover" />
          </Head>
          <LayoutWrapper>
            <Component {...pageProps} />
          </LayoutWrapper>
        </ThemeProvider>
      );
    }

    export default MyApp;
    ```

    ```diff-js showLineNumbers {3-4}
    const a = 1;
    - a = 2;
    + a = 2;
    a = 3;
    ```

    ```shell
    $ echo "Hello world!"
    ```

    ```python
    print("Hello world!")
    ```

    ```java
    System.out.println("Hello world!");
    ```

    ```csharp
    Console.WriteLine("Hello world!");
    ```

    ```c
    printf("Hello world!");
    ```

    ```cpp
    std::cout << "Hello world!";
    ```

    ```go
    fmt.Println("Hello world!")
    ```