Jon*_*han 9 javascript markdown node.js
我有几百个 Markdown 文件,我想循环遍历它们并将新数据添加到它们的前端元数据中。
例如,我的文件现在是这样的:
---
title: My title here
---
Markdown content here
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我想给它们添加一个id属性:
---
title: My title here
id: 1982n1x23981u1
---
Markdown content
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在 Node 中最简洁的方法是什么?我找到了一些处理 markdown 的包,但它们都旨在将其转换为 JSON。
提前致谢!
Rou*_*dre 13
这是我用来更新 Markdown 脚本中所有笔记的 frontmatter 的基本脚本:
// @ts-check
const { readdir, readFile, writeFile } = require("fs/promises");
const matter = require("gray-matter");
const { stringify } = require("yaml");
const directory = "<YOUR-DIRECTORY>";
async function updateFrontMatter(filename) {
const filepath = `${directory}/${filename}`;
const { data: frontMatter, content } = matter(await readFile(filepath));
// remove desc attribute
if (frontMatter.desc === "") {
delete frontMatter["desc"];
}
// parse created date attribute and convert it as timestamp
if (typeof frontMatter.created === "string") {
frontMatter.created = new Date(frontMatter.created).getTime();
}
const newContent = `---\n${stringify(frontMatter)}---\n${content}`;
await writeFile(filepath, newContent);
console.log(`- [x] ${filepath}`);
}
async function main() {
const filenames = await readdir(directory);
const markdownFilenames = filenames.filter((f) => f.endsWith(".md"));
await Promise.all(markdownFilenames.map(updateFrontMatter));
}
main().catch(console.error);
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