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b/React/keys-for-li-elements-why-its-needed.md old mode 100644 new mode 100755 diff --git a/React/namespaced-import-with-*-.md b/React/namespaced-import-with-*-.md old mode 100644 new mode 100755 index f634317..92e4035 --- a/React/namespaced-import-with-*-.md +++ b/React/namespaced-import-with-*-.md @@ -1,9 +1,41 @@ +##### Namespace imports import all of the exported variables from a file under one name. For example: + +```js +// my-module.js +export const foo = 123 +export const bar = 456 + + +// main.js +import \* as stuff from './my-module' + +// stuff is: { foo: 123, bar: 456 } + +``` + +##### Default imports - On the other hand, default imports import a specific default export from another module. That is, the variable exported as export default in the imported module. + +```js +// my-module.js +export default { + foo: 123, + bar: 456 +}; + +// main.js +import stuff from "./my-module"; +``` + +// stuff is: { foo: 123, bar: 456 } + +##### The purpose of default exports is to give an nice interface for importing a single unit of functionality from another module: a single class, a single utility function, and so on. The default export is meant to promote the practice of single-responsibility modules. + When I have to import multiple functional-classes or functional-components in a single statement. ### Below is my ./component/my-components.js ```js -import React from 'react'; +import React from "react"; export class Foo extends React.Component { render() { @@ -21,9 +53,9 @@ export class Bar extends React.Component { ### MY App.js - Here I want to import both Foo() and Bar() from my-components.js in a single statement. ```js -import React from 'react'; +import React from "react"; -import * as My from './components/my-components.js'; +import * as My from "./components/my-components.js"; export default class App extends React.Component { render() { @@ -37,7 +69,7 @@ export default class App extends React.Component { } ``` -In this case, you don't need to do ``export default`` . You can just export each action. Generally, it's a good practice to import only what you actually use. +In this case, you don't need to do `export default` . You can just export each action. Generally, it's a good practice to import only what you actually use. Another example is in my - -https://github.com/rohan-paul/redux-boilerplate-base-counter/blob/master/src/containers/Home.js \ No newline at end of file +https://github.com/rohan-paul/redux-boilerplate-base-counter/blob/master/src/containers/Home.js diff --git a/React/no-constructor-for-stateful-component-2-An-Example.md b/React/no-constructor-for-stateful-component-2-An-Example.md old mode 100644 new mode 100755 diff --git a/React/no-constructor-for-stateful-component.md b/React/no-constructor-for-stateful-component.md old mode 100644 new mode 100755 diff --git a/React/onChange-updating-state-from-child.md b/React/onChange-updating-state-from-child.md old mode 100644 new mode 100755 diff --git a/React/pass-prop-to-component-rendered-by-React-Router.md b/React/pass-prop-to-component-rendered-by-React-Router.md old mode 100644 new mode 100755 diff --git a/React/pass-props-from-Child-to-parent-Component-communication-2.md 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