From 3fdb709d2c65659180150bc4253945fd0ac5fbad Mon Sep 17 00:00:00 2001
From: daurnimator <quae@daurnimator.com>
Date: Fri, 6 Apr 2018 22:32:34 +1000
Subject: src/liolib.js: fs.writeSync in node 6 doesn't take a Uint8Array

---
 NEWS          | 5 +++++
 src/liolib.js | 7 ++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 28a9d71..fbb983b 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,8 @@
+UNRELEASED
+
+  - More node 6 compatibility fixes
+
+
 0.1.1 - 2018-04-03
 
   - Fix node 6 compatibility
diff --git a/src/liolib.js b/src/liolib.js
index bd78f87..7f0fff0 100644
--- a/src/liolib.js
+++ b/src/liolib.js
@@ -130,6 +130,11 @@ const io_output = function(L) {
     return g_iofile(L, IO_OUTPUT, "w");
 };
 
+/* node <= 6 doesn't support passing a Uint8Array to fs.writeSync */
+const prepare_string_for_write = process.versions.node > 6 ?
+    (s) => s : // identity function
+    (s) => Buffer.from(s.buffer, s.byteOffset, s.byteLength);
+
 const g_write = function(L, f, arg) {
     let nargs = lua_gettop(L) - arg;
     let status = true;
@@ -137,7 +142,7 @@ const g_write = function(L, f, arg) {
     for (; nargs--; arg++) {
         let s = luaL_checklstring(L, arg);
         try {
-            status = status && (fs.writeSync(f.fd, Uint8Array.from(s)) === s.length);
+            status = status && (fs.writeSync(f.fd, prepare_string_for_write(s)) === s.length);
         } catch (e) {
             status = false;
             err = e;
-- 
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