const child_process = require("child_process"); const path = require("path"); const images = process.argv.slice(2); images.forEach((img) => { switch (img.split(".").pop()) { case "png": child_process.execSync( `npx @squoosh/cli --oxipng {} --output-dir "${path.dirname(img)}" "${img}"` ); break; case "jpg": child_process.execSync( `npx @squoosh/cli --mozjpeg {"quality":85,"baseline":false,"arithmetic":false,"progressive":true,"optimize_coding":true,"smoothing":0,"color_space":3,"quant_table":3,"trellis_multipass":false,"trellis_opt_zero":false,"trellis_opt_table":false,"trellis_loops":1,"auto_subsample":true,"chroma_subsample":2,"separate_chroma_quality":false,"chroma_quality":75} --output-dir "${path.dirname( img )}" "${img}"` ); break; } });