import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

devtools/client/shared/redux/create-store.js

@@ -0,0 +1,51 @@
+/* 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 { createStore, applyMiddleware } = require("devtools/client/shared/vendor/redux");
+const { thunk } = require("./middleware/thunk");
+const { waitUntilService } = require("./middleware/wait-service");
+const { task } = require("./middleware/task");
+const { log } = require("./middleware/log");
+const { promise } = require("./middleware/promise");
+const { history } = require("./middleware/history");
+
+/**
+ * This creates a dispatcher with all the standard middleware in place
+ * that all code requires. It can also be optionally configured in
+ * various ways, such as logging and recording.
+ *
+ * @param {object} opts:
+ *        - log: log all dispatched actions to console
+ *        - history: an array to store every action in. Should only be
+ *                   used in tests.
+ *        - middleware: array of middleware to be included in the redux store
+ */
+module.exports = (opts = {}) => {
+  const middleware = [
+    task,
+    thunk,
+    promise,
+
+    // Order is important: services must go last as they always
+    // operate on "already transformed" actions. Actions going through
+    // them shouldn't have any special fields like promises, they
+    // should just be normal JSON objects.
+    waitUntilService
+  ];
+
+  if (opts.history) {
+    middleware.push(history(opts.history));
+  }
+
+  if (opts.middleware) {
+    opts.middleware.forEach(fn => middleware.push(fn));
+  }
+
+  if (opts.log) {
+    middleware.push(log);
+  }
+
+  return applyMiddleware(...middleware)(createStore);
+};