From 3bee3cfeadcb57833a90c7789333750676f39e81 Mon Sep 17 00:00:00 2001
From: Robert Ou <rqou@robertou.com>
Date: Wed, 15 Nov 2017 03:14:14 -0800
Subject: Mount NODEFS if using emscripten and nodejs

Mounts root directory on `/hostfs` and the current working directory on
`/hostcwd`
---
 icepack/icepack.cc | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'icepack/icepack.cc')

diff --git a/icepack/icepack.cc b/icepack/icepack.cc
index d845ba7..3029c25 100644
--- a/icepack/icepack.cc
+++ b/icepack/icepack.cc
@@ -34,6 +34,10 @@
 #include <stdio.h>
 #include <stdarg.h>
 
+#ifdef __EMSCRIPTEN__
+#include <emscripten.h>
+#endif
+
 #ifdef _WIN32
 #define __PRETTY_FUNCTION__ __FUNCTION__
 #endif
@@ -1338,6 +1342,18 @@ void usage()
 
 int main(int argc, char **argv)
 {
+#ifdef __EMSCRIPTEN__
+	EM_ASM(
+		if (ENVIRONMENT_IS_NODE)
+		{
+			FS.mkdir('/hostcwd');
+			FS.mount(NODEFS, { root: '.' }, '/hostcwd');
+			FS.mkdir('/hostfs');
+			FS.mount(NODEFS, { root: '/' }, '/hostfs');
+		}
+	);
+#endif
+
 	vector<string> parameters;
 	bool unpack_mode = false;
 	bool nosleep_mode = false;
-- 
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