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December 12, 2019 14:24
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Demo utility function for directory introspection and data collection
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| const fs = require('fs') | |
| const { promisify } = require('util') | |
| const YAML = require('yaml') | |
| async function getMDXInfo(content) { | |
| try { | |
| const files = await promisify(fs.readdir)(`./pages/${content}`) | |
| const mdx = await files.filter(f => f.includes('.mdx')) | |
| let list = await Promise.all( | |
| mdx.map(async p => { | |
| let meta = {} | |
| let name = p.replace('.mdx', '') | |
| let { size } = await promisify(fs.stat)(`./pages/${content}/${p}`) | |
| let page = await promisify(fs.readFile)(`./pages/${content}/${p}`) | |
| let frontmatter = page.toString().split('---')[1] | |
| if (frontmatter) { | |
| meta = YAML.parse(frontmatter) | |
| } | |
| return { | |
| name, | |
| size, | |
| ...meta, | |
| } | |
| }) | |
| ) | |
| await list.sort((a, b) => new Date(b.createdAt) - new Date(a.createdAt)) | |
| return { list } | |
| } catch (error) { | |
| console.log('err in getMDXInfo: ', error) | |
| throw new Error('Project data unavailable') | |
| } | |
| } | |
| async function writeMDXInfo(content) { | |
| try { | |
| const { list } = await getMDXInfo(content) | |
| await promisify(fs.writeFile)( | |
| `./pages/${content}/${content}-list.json`, | |
| JSON.stringify(list) | |
| ) | |
| } catch (err) { | |
| console.log('error in writeMDXInfo: ', err) | |
| } | |
| } | |
| module.exports = { | |
| getMDXInfo, | |
| writeMDXInfo, | |
| } |
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