1 files changed, 44 insertions, 0 deletions
diff --git a/lib/browserify/browserInit.js b/lib/browserify/browserInit.js
new file mode 100644
index 0000000..02fd9c1
--- /dev/null
+++ b/lib/browserify/browserInit.js
@@ -0,0 +1,44 @@
+/**
+ * This code gets injected at the end of the browserify bundle via b.append().
+ */
+
+if (typeof window.browserifyRequire !== "undefined") {
+    throw new Error("Naming collision detected: window.browserifyRequire seems to be occupied.");
+}
+
+// Saves the browserifyRequire under a new name. Necessary to call the original browserifyRequire within
+// a module where the variable name "require" is overridden by the module's internal require.
+window.browserifyRequire = require;
+
+/**
+ * Provides a special require-proxy. Every module calls window.browserifyRequire.getProxy(require, __filename) at the
+ * beginning and overrides its own require with this proxy.
+ *
+ * This is necessary to call rewire() with the original __filename. Thus you can use rewire() like require().
+ *
+ * @param {!Function} internalRequire the module's own require
+ * @param {String} filename the __filename of the module
+ * @return {Function} requireProxy
+ */
+window.browserifyRequire.getProxy = function (internalRequire, filename) {
+    var rewireModule = internalRequire("rewire"),
+        key;
+
+    function rewireProxy(path, cache) {
+        return rewireModule(filename, path, cache);
+    }
+
+    for (key in rewireModule) {
+        if (rewireModule.hasOwnProperty(key)) {
+            rewireProxy[key] = rewireModule[key];
+        }
+    }
+
+    return function requireProxy(path) {
+        if (path === "rewire") {
+            return rewireProxy;
+        } else {
+            return internalRequire(path);
+        }
+    };
+};
+\ No newline at end of file