73 lines
2.7 KiB
JavaScript
Executable File
73 lines
2.7 KiB
JavaScript
Executable File
#!/usr/bin/env node
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import fs from 'fs/promises'
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import path from 'path'
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import walk from 'walk-sync'
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import jimp from 'jimp' // this is an optional dependency, install with `npm i --include=optional`
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// iterate through enterprise images from most recent to oldest
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// check if the image in the /assets/enterprise/... directory
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// is an exact match to the assets/images in relative path and content
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// if exact match, delete the /assets/enterprise/... version
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const enterpriseAssetDirectories = [
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'/assets/enterprise/3.0',
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'/assets/enterprise/github-ae',
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'/assets/enterprise/2.22',
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'/assets/enterprise/2.21',
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'/assets/enterprise/2.20',
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]
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async function main() {
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for (const directory of enterpriseAssetDirectories) {
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const fullDirectoryPath = path.join(process.cwd(), directory)
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const files = walk(fullDirectoryPath, {
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includeBasePath: true,
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directories: false,
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})
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for (const file of files) {
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// get the /assets/images file that currently exists, which
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// would be the equivalent to the enterprise asset
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const enterpriseRegex = /\/assets\/enterprise\/(2\.20|2\.21|2\.22|3\.0|github-ae)/
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const existingFileToCompare = file.replace(enterpriseRegex, '')
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const fileExt = path.extname(file)
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// if the file in the enterprise directory is an exact copy of
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// the image in the local /assets/images directory, then we can
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// delete the enterprise image and the reference in the Markdown
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// will just work
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if (await fs.readFile(existingFileToCompare)) {
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// Buffer.compare and Jimp both return 0 if files match
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let compareResult = 1
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try {
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// Jimp gives slightly better results comparing image files
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// over using a buffer compare. Of the assets we have,
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// Jimp only supports png and gif
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if (fileExt === '.png' || fileExt === '.gif') {
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const existingImageToCompare = await jimp.read(existingFileToCompare)
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const enterpriseImage = await jimp.read(file)
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// if the diff.percent value is 0, images are identical
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const diff = await jimp.diff(existingImageToCompare, enterpriseImage)
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compareResult = diff.percent
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} else {
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const existingImageToCompare = await fs.readFile(existingFileToCompare)
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const enterpriseImage = await fs.readFile(file)
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compareResult = Buffer.compare(
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Buffer.from(existingImageToCompare),
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Buffer.from(enterpriseImage)
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)
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}
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} catch (err) {
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console.log(file)
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console.log(err)
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}
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if (compareResult === 0) await fs.unlink(file)
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}
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}
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}
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}
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main()
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.catch(console.error)
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.finally(() => console.log('Done!'))
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