update build process

build/plugin/exec.js

@@ -0,0 +1,19 @@
+const { exec } = require('child_process')
+
+function doExec (execString, maxBuffer = 1024 ** 5) {
+  return new Promise(resolve => {
+    exec(execString, {
+      maxBuffer
+    }, err => {
+      if (err) {
+        console.error(err)
+
+        resolve(false)
+      } else {
+        resolve(true)
+      }
+    })
+  })
+}
+
+module.exports = doExec