From 478a089e521de81ca47fc54518bc6a241823d9ae Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Sat, 27 May 2017 22:55:52 +0200
Subject: fix module loading for node under fake web workers

---
 src/crypto/emscLoader.js | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

(limited to 'src/crypto/emscLoader.js')

diff --git a/src/crypto/emscLoader.js b/src/crypto/emscLoader.js
index eebe20c02..190f007f1 100644
--- a/src/crypto/emscLoader.js
+++ b/src/crypto/emscLoader.js
@@ -31,6 +31,22 @@
  * be globally available.  Inside node, require is used.
  */
 export function getLib() {
+  if (typeof require !== "undefined") {
+    // Make sure that TypeScript doesn't try
+    // to check the taler-emscripten-lib.
+    const indirectRequire = require;
+    const g = global as any;
+    // unavoidable hack, so that emscripten detects
+    // the environment as node even though importScripts
+    // is present.
+    const savedImportScripts = g.importScripts;
+    delete g.importScripts;
+    // Assume that the code is run from the build/ directory.
+    const lib = indirectRequire("../../../emscripten/taler-emscripten-lib.js");
+    g.importScripts = savedImportScripts;
+    return lib;
+  }
+
   if (typeof importScripts !== "undefined") {
     importScripts('/src/emscripten/taler-emscripten-lib.js')
     if (TalerEmscriptenLib) {
@@ -39,14 +55,6 @@ export function getLib() {
     return TalerEmscriptenLib
   }
 
-  if (typeof require !== "undefined") {
-    // Make sure that TypeScript doesn't try
-    // to check the taler-emscripten-lib.
-    const fn = require;
-    // Assume that the code is run from the build/ directory.
-    return fn("../../../emscripten/taler-emscripten-lib.js");
-  }
-
   if (typeof window !== "undefined") {
     if (window.TalerEmscriptenLib) {
       return TalerEmscriptenLib;
-- 
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