73 lines
No EOL
2.5 KiB
JavaScript
73 lines
No EOL
2.5 KiB
JavaScript
import { promises as fs } from 'fs'
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import path from 'path'
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import sharp from 'sharp'
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import matter from 'gray-matter'
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import slugify from 'slugify'
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import { Liquid } from 'liquidjs'
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import { DateTime } from 'luxon'
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import { fileURLToPath } from 'url'
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const FILE_NAME = fileURLToPath(import.meta.url)
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const DIR_NAME = path.dirname(FILE_NAME)
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const baseDir = path.join(DIR_NAME, '../../src/posts')
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const outputDir = path.join(DIR_NAME, '../../src/assets/img/ogi/')
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const engine = new Liquid({ extname: '.liquid' })
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engine.registerFilter('date', (isoDateString, formatString = 'MMMM d, yyyy') => {
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const date = DateTime.fromISO(isoDateString)
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return date.isValid ? date.toFormat(formatString) : isoDateString
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})
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engine.registerFilter('splitLines', (input, maxCharLength) => {
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return input.split(' ').reduce((acc, cur) => {
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if (!acc.length || acc[acc.length - 1].length + cur.length + 1 > maxCharLength) {
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acc.push(cur)
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} else {
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acc[acc.length - 1] += ' ' + cur
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}
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return acc
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}, [])
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})
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engine.registerFilter('slugify', (input) => slugify(input, { lower: true, strict: true, remove: /[*+~.()'"!:@]/g }))
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const svgToPNG = async (filePath) => {
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try {
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const fileContent = await fs.readFile(filePath, 'utf8')
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const { data } = matter(fileContent)
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const svgTemplatePath = path.resolve(DIR_NAME, 'index.liquid')
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const templateContent = await fs.readFile(svgTemplatePath, 'utf8')
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const svgContent = await engine.parseAndRender(templateContent, { preview: { data: data, date: data.date }})
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const outputFile = path.join(outputDir, `${engine.filters.slugify(data.title)}-preview.png`)
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await fs.mkdir(outputDir, { recursive: true })
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await sharp(Buffer.from(svgContent)).png().toFile(outputFile)
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} catch (error) {
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console.error('Error processing file:', error)
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}
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}
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const processPostDirectories = async (baseDir) => {
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try {
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const yearDirs = await fs.readdir(baseDir, { withFileTypes: true })
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for (const dirent of yearDirs) {
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if (dirent.isDirectory()) {
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const yearPath = path.join(baseDir, dirent.name)
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const markdownFiles = await fs.readdir(yearPath, { withFileTypes: true })
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for (const file of markdownFiles) {
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if (file.isFile() && file.name.endsWith('.md')) {
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const filePath = path.join(yearPath, file.name)
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await svgToPNG(filePath)
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}
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}
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}
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}
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} catch (error) {
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console.error('Failed to process directories:', error)
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}
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}
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const generateOgImages = async () => await processPostDirectories(baseDir)
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generateOgImages() |