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`
---
 icebram/icebram.cc | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'icebram')

diff --git a/icebram/icebram.cc b/icebram/icebram.cc
index 245a0ab..a796f92 100644
--- a/icebram/icebram.cc
+++ b/icebram/icebram.cc
@@ -28,6 +28,10 @@
 #include <fstream>
 #include <iostream>
 
+#ifdef __EMSCRIPTEN__
+#include <emscripten.h>
+#endif
+
 using std::map;
 using std::pair;
 using std::vector;
@@ -109,6 +113,18 @@ void help(const char *cmd)
 
 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
+
 	bool verbose = false;
 	bool generate = false;
 
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