Q41. How to set initial state in Redux?
You need to pass initial state as second argument to createStore: ```javascript const rootReducer = combineReducers({ todos: todos, visibilityFilter: visibilityFilter, })...
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Q42. How Relay is different from Redux?
Relay is similar to Redux in that they both use a single store. The main difference is that relay only manages state originated from the server, and all access to the sta...
Q43. What is reselect and how it works?
_Reselect_ is a **selector library** (for Redux) which uses _memoization_ concept. It was originally written to compute derived data from Redux-like applications state, b...
Q44. What is React Dev Tools?
_React Developer Tools_ let you inspect the component hierarchy, including component props and state. It exists both as a browser extension (for Chrome and Firefox), and ...
Q45. What are the principles for vuex application structure?
Vuex enforces below rules to structure any application. 1. Application-level state is centralized in the store. 2. The only way to mutate the state is by committing mutat...
Q46. Does Vuex support hot reloading?
Yes, vuex supports hot-reloading for mutations, modules, actions and getters during development. You need to use either webpack's hot module replacement API or browserify...
Q47. What is the purpose of hotUpdate API of vuex store?
The store.hotUpdate() API method is used for mutations and modules. For example, you need to configure vuex store as below, ```javascript // store.js import Vue from 'vue...
Q48. What is the purpose of strict mode in vuex?
In strict mode, whenever Vuex state is mutated outside of mutation handlers, an error will be thrown. It make sure that all state mutations can be explicitly tracked by d...
Q49. What are the main features of Reselect library?
Let's see the main features of Reselect library, 1. Selectors can compute derived data, allowing Redux to store the minimal possible state. 2. Selectors are efficient. A ...
Q50. What is vuex plugin?
The vuex plugin is an option hat exposes hooks for each mutation. It is a normal function that receives the store as the only argument. You can create your own plugin or ...