// update package.json version import fs from "fs"; const packageJson = JSON.parse(fs.readFileSync("./package.json", "utf8")); console.log(packageJson.version); // get node args const args = process.argv.slice(2); packageJson.version = args[0]; console.log(packageJson.version); // write package.json fs.writeFileSync("./package.json", JSON.stringify(packageJson, null, 2)); // read manifest.json const manifestJson = JSON.parse(fs.readFileSync("./manifest.json", "utf8")); manifestJson.version = args[0]; // write manifest.json fs.writeFileSync("./manifest.json", JSON.stringify(manifestJson, null, 2));