Edit file File name : wastast.js Content :#!/usr/bin/env node "use strict"; var _require = require("@webassemblyjs/wast-parser"), parse = _require.parse; var _require2 = require("fs"), readFileSync = _require2.readFileSync; var filename = process.argv[2]; if (typeof filename === "undefined") { throw new Error("Missing file"); } var content = readFileSync(filename, "utf8"); var ast = parse(content); console.log(JSON.stringify(ast, null, 2)); Save