modified

node_modules/@gar/promisify/index.js

@@ -0,0 +1,36 @@
+'use strict'
+
+const { promisify } = require('util')
+
+const handler = {
+  get: function (target, prop, receiver) {
+    if (typeof target[prop] !== 'function') {
+      return target[prop]
+    }
+    if (target[prop][promisify.custom]) {
+      return function () {
+        return Reflect.get(target, prop, receiver)[promisify.custom].apply(target, arguments)
+      }
+    }
+    return function () {
+      return new Promise((resolve, reject) => {
+        Reflect.get(target, prop, receiver).apply(target, [...arguments, function (err, result) {
+          if (err) {
+            return reject(err)
+          }
+          resolve(result)
+        }])
+      })
+    }
+  }
+}
+
+module.exports = function (thingToPromisify) {
+  if (typeof thingToPromisify === 'function') {
+    return promisify(thingToPromisify)
+  }
+  if (typeof thingToPromisify === 'object') {
+    return new Proxy(thingToPromisify, handler)
+  }
+  throw new TypeError('Can only promisify functions or objects')
+}