Created
January 11, 2021 13:56
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Node PNG or JPG to WebP
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const fs = require('fs'), | |
path = require('path'); | |
const sharp = require('sharp'); | |
const ora = require("ora"); | |
if (process.argv.length < 3) { | |
console.log("A relative or full directory path is required.") | |
return | |
} | |
const directory = process.argv[2] | |
const spinner = ora().start(); | |
const walkSync = (dir, filelist = []) => { | |
fs.readdirSync(dir).forEach(file => { | |
filelist = fs.statSync(path.join(dir, file)).isDirectory() ? | |
walkSync(path.join(dir, file), filelist) : | |
filelist.concat(path.join(dir, file)); | |
}); | |
return filelist; | |
} | |
spinner.info("Collecting file list"); | |
spinner.start() | |
const fileList = walkSync(directory); | |
const files = fileList.filter(f => { | |
return path.extname(f).toLowerCase() === ".png" || path.extname(f).toLowerCase() === ".jpg" || path.extname(f).toLowerCase() === ".jpeg" | |
}); | |
// const files = JSON.parse(fs.readFileSync("files.json")) | |
// fs.writeFileSync("files.json", JSON.stringify(files)) | |
spinner.succeed("Found " + files.length + " png or jpg files") | |
async function toWebp(imgFile) { | |
const ext = path.extname(imgFile) | |
const img = await sharp(imgFile) | |
.toFile(imgFile.replace(ext, ".webp")) | |
} | |
let x = 0; | |
files.forEach(async (file,i) => { | |
try { | |
await toWebp(file); | |
console.log(i, "of", files.length) | |
x = x + 1; | |
if (x === files.length) { | |
const text = "Completed " + files.length + " files!" | |
spinner.succeed(text) | |
} | |
}catch(error) { | |
console.log(error) | |
} | |
}); |
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