const sharp = require("sharp"); [ "test-data-scheme", "test-file-scheme-absolute", "test-file-scheme-relative", "test-no-scheme-absolute", "test-no-scheme-relative", ].map(function (test) { sharp(test + ".svg", { density: 144 }) .withMetadata() .jpeg({ quality: 60, progressive: true, trellisQuantisation: true, overshootDeringing: true, optimiseScans: true }) .toFile(test + ".jpeg") })