refactor: redux refactor to use redux toolkit (#182)

* add redux-toolkit

* update actions to use redux toolkit action creators

* add StrictDict

* ready for testing

* update testing for reducers

* update unit testing for reducers

* export reducers from initial state

* update unit test

* reorder the test reducer's handler

* remove unnecessary testing data

update

* update actions to use redux toolkit action creators

* testing

* thunkActions tests

* component thunkAction reference updates

* linting

* a little bit of doc and syntax cleanup

* fix tests

* assignment type actions tests

* actions testing and cleanup

* selectors cleanup

* fix store action reference

* update package-lock.json

* add a bit of test coverage

* strict selector export

* docstrings for test utils

* docstrings

* fix assignment filtering

* some cleanup

* update version to 1.4.29

Co-authored-by: Leangseu Kim <lkim@edx.org>

src/utils/StrictDict.js

@@ -0,0 +1,39 @@
+/* eslint-disable no-console */
+import util from 'util';
+
+const staticReturnOptions = [
+  'dict',
+  'inspect',
+  Symbol.toStringTag,
+  util.inspect.custom,
+  Symbol.for('nodejs.util.inspect.custom'),
+];
+
+const strictGet = (target, name) => {
+  if (name === Symbol.toStringTag) {
+    return target;
+  }
+  if (name === 'length') {
+    return target.length;
+  }
+  if (staticReturnOptions.indexOf(name) >= 0) {
+    return target;
+  }
+  if (name === Symbol.iterator) {
+    return { ...target };
+  }
+
+  if (name in target || name === '_reactFragment') {
+    return target[name];
+  }
+
+  console.log(name.toString());
+  console.error({ target, name });
+  const e = Error(`invalid property "${name.toString()}"`);
+  console.error(e.stack);
+  return undefined;
+};
+
+const StrictDict = (dict) => new Proxy(dict, { get: strictGet });
+
+export default StrictDict;

src/utils/index.js

@@ -0,0 +1,2 @@
+/* eslint-disable import/prefer-default-export */
+export { default as StrictDict } from './StrictDict';