1 files changed, 90 insertions, 0 deletions
diff --git a/devtools/client/shared/redux/create-store.js b/devtools/client/shared/redux/create-store.js
new file mode 100644
index 0000000000..fb348d14dc
--- /dev/null
+++ b/devtools/client/shared/redux/create-store.js
@@ -0,0 +1,90 @@
+/* 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 {
+  combineReducers,
+  createStore,
+  applyMiddleware,
+} = require("resource://devtools/client/shared/vendor/redux.js");
+const {
+  thunk,
+} = require("resource://devtools/client/shared/redux/middleware/thunk.js");
+const {
+  waitUntilService,
+} = require("resource://devtools/client/shared/redux/middleware/wait-service.js");
+const {
+  task,
+} = require("resource://devtools/client/shared/redux/middleware/task.js");
+const {
+  promise,
+} = require("resource://devtools/client/shared/redux/middleware/promise.js");
+const flags = require("resource://devtools/shared/flags.js");
+
+loader.lazyRequireGetter(
+  this,
+  "log",
+  "resource://devtools/client/shared/redux/middleware/log.js",
+  true
+);
+
+/**
+ * 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:
+ *        - enableTaskMiddleware: if true, include the task middleware
+ *        - log: log all dispatched actions to console
+ *        - middleware: array of middleware to be included in the redux store
+ *        - thunkOptions: object that will be spread within a {dispatch, getState} object,
+ *                        that will be passed in each thunk action.
+ */
+const createStoreWithMiddleware = (opts = {}) => {
+  const middleware = [];
+  if (opts.enableTaskMiddleware) {
+    middleware.push(task);
+  }
+  middleware.push(
+    thunk(opts.thunkOptions),
+    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.middleware) {
+    opts.middleware.forEach(fn => middleware.push(fn));
+  }
+
+  if (opts.log) {
+    middleware.push(log);
+  }
+
+  return applyMiddleware(...middleware)(createStore);
+};
+
+module.exports = (
+  reducers,
+  {
+    shouldLog = false,
+    initialState = undefined,
+    thunkOptions,
+    enableTaskMiddleware = false,
+  } = {}
+) => {
+  const reducer =
+    typeof reducers === "function" ? reducers : combineReducers(reducers);
+
+  const store = createStoreWithMiddleware({
+    enableTaskMiddleware,
+    log: flags.testing && shouldLog,
+    thunkOptions,
+  })(reducer, initialState);
+
+  return store;
+};