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30 lines
1021 B
30 lines
1021 B
const fm = require('gray-matter');
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const path = require('path');
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// Makes mdx in next.js suck less by injecting necessary exports so that
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// the docs are still readable on github.
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//
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// Layout component for a .mdx or .md page can be specfied in the frontmatter.
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// This plugin assumes that the layout file and named export are the same. This
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// easily changed by modifying the string below.
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//
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// All metadata can be written in yaml front matter. It will be passed to the
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// layout component as `meta` prop.
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//
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// (Shamelessly stolen from Expo.io docs)
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// @see https://github.com/expo/expo/blob/master/docs/common/md-loader.js
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module.exports = async function (src) {
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const callback = this.async();
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const {content, data} = fm(src);
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const pageParentDir = path
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.dirname(path.relative('./src/pages', this.resourcePath))
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.split(path.sep)
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.shift();
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const code =
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`export const layout = {
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section: '${pageParentDir}',
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meta: ${JSON.stringify(data)}
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};\n
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` + content;
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return callback(null, code);
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};
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