1 files changed, 28 insertions, 0 deletions
diff --git a/devtools/client/inspector/fonts/reducers/fonts.js b/devtools/client/inspector/fonts/reducers/fonts.js
new file mode 100644
index 0000000000..92a6ef87c1
--- /dev/null
+++ b/devtools/client/inspector/fonts/reducers/fonts.js
@@ -0,0 +1,28 @@
+/* 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 {
+  UPDATE_FONTS,
+} = require("resource://devtools/client/inspector/fonts/actions/index.js");
+
+const INITIAL_FONT_DATA = {
+  // All fonts on the current page.
+  allFonts: [],
+};
+
+const reducers = {
+  [UPDATE_FONTS](_, { allFonts }) {
+    return { allFonts };
+  },
+};
+
+module.exports = function (fontData = INITIAL_FONT_DATA, action) {
+  const reducer = reducers[action.type];
+  if (!reducer) {
+    return fontData;
+  }
+  return reducer(fontData, action);
+};