const wast2wasm = require('wast2wasm') const fs = require('fs') const files = fs.readdirSync(`${__dirname}/wast`) for (let file of files) { const wast = fs.readFileSync(`${__dirname}/wast/${file}`).toString() wast2wasm(wast).then(wasm => { file = file.split('.')[0] fs.writeFileSync(`${__dirname}/wasm/${file}.wasm`, wasm.buffer) }) }