pdev:set

sumanjs · Apr 19, 2018 · 8e3b20b · 8e3b20b
1 parent 7206bb0
commit 8e3b20b
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/lib/is-x.js b/lib/is-x.js
@@ -1,11 +1,13 @@
 'use strict';
 Object.defineProperty(exports, "__esModule", { value: true });
 function isBasic(stream) {
-    return stream !== null && typeof stream === 'object' && typeof stream.pipe === 'function';
+    return stream && typeof stream.pipe === 'function';
 }
 function isWritable(stream) {
-    return isBasic(stream) && stream.writable !== false && typeof stream._write === 'function' &&
-        typeof stream._writableState === 'object';
+    return isBasic(stream)
+        && stream.writable !== false
+        && typeof stream._write === 'function'
+        && typeof stream._writableState === 'object';
 }
 function IsReadable(stream) {
     return isBasic(stream) && stream.readable !== false && typeof stream._read === 'function' &&