Samuel Newman
56 lines
1.6 KiB
JavaScript
56 lines
1.6 KiB
JavaScript
import fs from 'node:fs'
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import path from 'node:path'
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import process from 'node:process'
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import sharp from 'sharp'
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export async function frameSlackScreenshots({
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inputPath,
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outputPath,
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outputDir,
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}) {
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const payload = JSON.parse(fs.readFileSync(inputPath, 'utf8'))
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if (!Array.isArray(payload.file_uploads)) {
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throw new Error('Slack upload payload must contain a file_uploads array')
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}
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fs.mkdirSync(outputDir, {recursive: true})
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const framedUploads = []
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for (const [index, upload] of payload.file_uploads.entries()) {
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if (
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typeof upload.file !== 'string' ||
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typeof upload.filename !== 'string'
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) {
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throw new Error(`Invalid Slack file upload at index ${index}`)
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}
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const filename = `${path.parse(path.basename(upload.filename)).name}.png`
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const framedFile = path.join(outputDir, filename)
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await sharp(upload.file)
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.resize(1600, 1200, {fit: 'contain', background: '#f8f8f8'})
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.png()
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.toFile(framedFile)
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framedUploads.push({
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...upload,
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file: framedFile,
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filename,
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highlight_type: 'png',
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})
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}
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payload.file_uploads = framedUploads
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fs.writeFileSync(outputPath, `${JSON.stringify(payload)}\n`)
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}
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if (
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process.argv[1] &&
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path.resolve(process.argv[1]) === path.resolve(import.meta.filename)
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) {
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const [inputPath, outputPath, outputDir] = process.argv.slice(2)
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if (!inputPath || !outputPath || !outputDir) {
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throw new Error(
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'Usage: frame-slack-screenshots.mjs <input.json> <output.json> <output-dir>',
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)
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}
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await frameSlackScreenshots({inputPath, outputPath, outputDir})
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}
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