|
2 | 2 | // import |
3 | 3 | // ───────────────────────────────────────────────────────────────────────────── |
4 | 4 |
|
5 | | -const { fmImagesToRelative } = require('gatsby-remark-relative-images'); |
6 | | - |
7 | | -// TODO: finalise for merge into gatsby-mdx/fork |
| 5 | +// TODO: finalise for merge into gatsby-plugin-mdx |
8 | 6 | const mdx = require('@mdx-js/mdx'); |
9 | 7 | const babel = require('@babel/core'); |
10 | | -const deepMap = require('deep-map'); |
| 8 | +const mapObject = require('map-obj'); |
11 | 9 |
|
12 | 10 | // ───────────────────────────────────────────────────────────────────────────── |
13 | | -// component |
| 11 | +// helpers |
14 | 12 | // ───────────────────────────────────────────────────────────────────────────── |
15 | 13 |
|
16 | | -exports.onCreateNode = ({ node, getNode, actions: { createNodeField } }) => { |
17 | | - fmImagesToRelative(node); // transform Netlify CMS' absolute paths to relative for gatsby-image |
| 14 | +function mapObjectWithArrays(obj, func) { |
| 15 | + if (Array.isArray(obj)) { |
| 16 | + return obj.map((item) => mapObject(item, func, { deep: true })); |
| 17 | + } |
| 18 | + return mapObject(obj, func, { deep: true }); |
| 19 | +} |
18 | 20 |
|
19 | | - if (node.internal.type === 'Mdx') { |
20 | | - const parent = getNode(node.parent); |
| 21 | +function mdxify(key, value) { |
| 22 | + if (key === 'markdown' || key === 'mdx') { |
| 23 | + const mdxed = mdx.sync(value); |
| 24 | + const babeled = babel.transform(mdxed, { |
| 25 | + configFile: false, |
| 26 | + // plugins: [instance.plugin, objRestSpread, htmlAttrToJSXAttr], |
| 27 | + presets: [ |
| 28 | + require('@babel/preset-react'), |
| 29 | + [ |
| 30 | + require('@babel/preset-env'), |
| 31 | + { |
| 32 | + useBuiltIns: 'entry', |
| 33 | + corejs: 2, |
| 34 | + modules: 'false', |
| 35 | + }, |
| 36 | + ], |
| 37 | + ], |
| 38 | + }); |
| 39 | + const replaced = babeled.code |
| 40 | + .replace(/export\s*default\s*function\s*MDXContent\s*/, 'return function MDXContent') |
| 41 | + .replace(/export\s*{\s*MDXContent\s+as\s+default\s*};?/, 'return MDXContent;'); |
21 | 42 |
|
22 | | - // TODO: finalise for merge into gatsby-mdx/fork |
23 | | - deepMap( |
24 | | - node.frontmatter, |
25 | | - (value, key) => { |
26 | | - if (key === 'markdown' || key === 'mdx') { |
27 | | - const mdxed = mdx.sync(value); |
28 | | - const babeled = babel.transform(mdxed, { |
29 | | - configFile: false, |
30 | | - // plugins: [instance.plugin, objRestSpread, htmlAttrToJSXAttr], |
31 | | - presets: [ |
32 | | - require('@babel/preset-react'), |
33 | | - [ |
34 | | - require('@babel/preset-env'), |
35 | | - { |
36 | | - useBuiltIns: 'entry', |
37 | | - corejs: 2, |
38 | | - modules: 'false', |
39 | | - }, |
40 | | - ], |
41 | | - ], |
42 | | - }); |
43 | | - const replaced = babeled.code |
44 | | - .replace(/export\s*default\s*function\s*MDXContent\s*/, 'return function MDXContent') |
45 | | - .replace(/export\s*{\s*MDXContent\s+as\s+default\s*};?/, 'return MDXContent;') |
46 | | - .replace(/\nexport /g, '\n'); |
| 43 | + return [key, replaced]; |
| 44 | + } |
47 | 45 |
|
48 | | - return replaced; |
49 | | - } |
| 46 | + return [key, value]; |
| 47 | +} |
50 | 48 |
|
51 | | - return value; |
52 | | - }, |
53 | | - { inPlace: true }, |
54 | | - ); |
| 49 | +// ───────────────────────────────────────────────────────────────────────────── |
| 50 | +// component |
| 51 | +// ───────────────────────────────────────────────────────────────────────────── |
55 | 52 |
|
| 53 | +exports.onCreateNode = ({ node, getNode, actions: { createNodeField } }) => { |
| 54 | + if (node.internal.type === 'Mdx') { |
| 55 | + // create {fields: sourceName} based on file's folder |
| 56 | + const parent = getNode(node.parent); |
56 | 57 | if (parent.internal.type === 'File') { |
57 | 58 | createNodeField({ |
58 | 59 | node, |
59 | 60 | name: 'sourceName', |
60 | 61 | value: parent.sourceInstanceName, |
61 | 62 | }); |
62 | 63 | } |
| 64 | + |
| 65 | + // TODO: finalise for merge into gatsby-mdx/fork |
| 66 | + // eslint-disable-next-line no-param-reassign |
| 67 | + node.frontmatter = mapObjectWithArrays(node.frontmatter, mdxify); |
63 | 68 | } |
64 | 69 | }; |
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