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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* eslint-env node */
/**
* This file contains a Webpack loader that takes markdown as its source and
* outputs a docs only MDX Storybook story. This enables us to write docs only
* pages in plain markdown by specifying a `.stories.md` extension.
*
* For more context on docs only stories, see:
* https://storybook.js.org/docs/web-components/writing-docs/mdx#documentation-only-mdx
*
* The MDX generated by the loader will then get run through the same loaders
* Storybook usually uses to transform MDX files.
*/
const { getStoryTitle, getMDXSource } = require("./markdown-story-utils.js");
/**
* The WebpackLoader export. Takes markdown as its source and returns a docs
* only MDX story. Falls back to filing stories under "Docs" for everything
* outside of `toolkit/content/widgets`.
*
* @param {string} source - The markdown source to rewrite to MDX.
*/
module.exports = function markdownStoryLoader(source) {
// `this.resourcePath` is the path of the file being processed.
let title = getStoryTitle(this.resourcePath);
let mdxSource = getMDXSource(source, title, this.resourcePath);
return mdxSource;
};
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