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path: root/src/plugins/remarkReadingTime.ts
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import type { RemarkPlugin } from "@astrojs/markdown-remark";
import { toString } from "mdast-util-to-string";
import getReadingTime from "reading-time";

export function remarkReadingTime(): RemarkPlugin {
	return function (tree, { data }) {
		const textOnPage = toString(tree);
		const readingTime = getReadingTime(textOnPage);
		data.astro.frontmatter.minutesRead = readingTime.text;
	};
}