1 files changed, 42 insertions, 0 deletions
diff --git a/devtools/shared/loader-plugin-raw.jsm b/devtools/shared/loader-plugin-raw.jsm
new file mode 100644
index 000000000..f719ac054
--- /dev/null
+++ b/devtools/shared/loader-plugin-raw.jsm
@@ -0,0 +1,42 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+const { utils: Cu } = Components;
+const { NetUtil } = Cu.import("resource://gre/modules/NetUtil.jsm", {});
+
+/**
+ * A function that can be used as part of a require hook for a
+ * loader.js Loader.  This function only handles webpack-style "raw!"
+ * requires; other requires should not be passed to this.  See
+ * https://github.com/webpack/raw-loader.
+ */
+this.requireRawId = function (id, require) {
+  let uri = require.resolve(id.slice(4));
+  // If the original string did not end with ".js", then
+  // require.resolve might have added the suffix.  We don't want to
+  // add a suffix for a raw load (if needed the caller can specify it
+  // manually), so remove it here.
+  if (!id.endsWith(".js") && uri.endsWith(".js")) {
+    uri = uri.slice(0, -3);
+  }
+
+  let stream = NetUtil.newChannel({
+    uri: NetUtil.newURI(uri, "UTF-8"),
+    loadUsingSystemPrincipal: true
+  }).open2();
+
+  let count = stream.available();
+  let data = NetUtil.readInputStreamToString(stream, count, {
+    charset: "UTF-8"
+  });
+  stream.close();
+
+  // For the time being it doesn't seem worthwhile to cache the
+  // result here.
+  return data;
+};
+
+this.EXPORTED_SYMBOLS = ["requireRawId"];