基本schema测试

node_modules/avvio/lib/is-promise-like.js

@@ -0,0 +1,17 @@
+'use strict'
+
+/**
+ * @param {any} maybePromiseLike
+ * @returns {maybePromiseLike is PromiseLike}
+ */
+function isPromiseLike (maybePromiseLike) {
+  return (
+    maybePromiseLike !== null &&
+    typeof maybePromiseLike === 'object' &&
+    typeof maybePromiseLike.then === 'function'
+  )
+}
+
+module.exports = {
+  isPromiseLike
+}