feat: source code protection

bin/electron-bytecode.js

@@ -0,0 +1,32 @@
+const vm = require('vm')
+const v8 = require('v8')
+const wrap = require('module').wrap
+
+v8.setFlagsFromString('--no-lazy')
+v8.setFlagsFromString('--no-flush-bytecode')
+
+let code = ''
+
+process.stdin.setEncoding('utf-8')
+
+process.stdin.on('readable', () => {
+  const data = process.stdin.read()
+  if (data !== null) {
+    code += data
+  }
+})
+
+process.stdin.on('end', () => {
+  try {
+    if (typeof code !== 'string') {
+      throw new Error(`javascript code must be string. ${typeof code} was given.`)
+    }
+
+    const script = new vm.Script(wrap(code), { produceCachedData: true })
+    const bytecodeBuffer = script.createCachedData()
+
+    process.stdout.write(bytecodeBuffer)
+  } catch (error) {
+    console.error(error)
+  }
+})