🐛 Add support for TypedArrays in IPC.

Fixes https://github.com/electron/electron/issues/2104.

lib/common/api/is-typed-array.js

@@ -0,0 +1,16 @@
+'use strict'
+
+module.exports = function isTypedArray(val) {
+  return (
+    val &&
+    (val instanceof Int8Array
+    || val instanceof Int16Array
+    || val instanceof Int32Array
+    || val instanceof Uint8Array
+    || val instanceof Uint8ClampedArray
+    || val instanceof Uint16Array
+    || val instanceof Uint32Array
+    || val instanceof Float32Array
+    || val instanceof Float64Array)
+  )
+}