use strict";n.d(t,"a",(function(){return l})),n.d(t,"b",(function(){return b}));var r=n(0),o=n.n(r);function a(e,t,n){return t in e?Object.defineProperty(e,t,{value:n,enumerable:!0,configurable:!0,writable:!0}):e[t]=n,e}function s(e,t){var n=Object.keys(e);if(Object.getOwnPropertySymbols){var r=Object.getOwnPropertySymbols(e);t&&(r=r.filter((function(t){return Object.getOwnPropertyDescriptor(e,t).enumerable}))),n.push.apply(n,r)}return n}function c(e){for(var t=1;t=0||(o[n]=e[n]);return o}(e,t);if(Object.getOwnPropertySymbols){var a=Object.getOwnPropertySymbols(e);for(r=0;r=0||Object.prototype.propertyIsEnumerable.call(e,n)&&(o[n]=e[n])}return o}var p=o.a.createContext({}),u=function(e){var t=o.a.useContext(p),n=t;return e&&(n="function"==typeof e?e(t):c(c({},t),e)),n},l=function(e){var t=u(e.components);return o.a.createElement(p.Provider,{value:t},e.children)},m={inlineCode:"code",wrapper:function(e){var t=e.children;return o.a.createElement(o.a.Fragment,{},t)}},d=o.a.forwardRef((function(e,t){var n=e.components,r=e.mdxType,a=e.originalType,s=e.parentName,p=i(e,["components","mdxType","originalType","parentName"]),l=u(n),d=r,b=l["".concat(s,".").concat(d)]||l[d]||m[d]||a;return n?o.a.createElement(b,c(c({ref:t},p),{},{components:n})):o.a.createElement(b,c({ref:t},p))}));function b(e,t){var n=arguments,r=t&&t.mdxType;if("string"==typeof e||r){var a=n.length,s=new Array(a);s[0]=d;var c={};for(var i in t)hasOwnProperty.call(t,i)&&(c[i]=t[i]);c.originalType=e,c.mdxType="string"==typeof e?e:r,s[1]=c;for(var p=2;p\n

\n \n \n )\n }\n}\n")),Object(a.b)("pre",null,Object(a.b)("code",Object(r.a)({parentName:"pre"},{className:"language-jsx"}),"// Header.js\n\nimport React from 'react'\n\nexport class Header extends React.Component {\n constructor(props) {\n super(props);\n this.state = {customers: []}\n }\n\n componentDidMount() {\n const customers = getData() // this fictional function calls an API\n this.setState({customers})\n }\n\n render() {\n return(

No of Customer: {this.state.customers.length}

)\n }\n}\n")),Object(a.b)("pre",null,Object(a.b)("code",Object(r.a)({parentName:"pre"},{className:"language-jsx"}),"// List.js\n\nimport React from 'react'\n\nexport class List extends React.Component {\n constructor(props) {\n super(props)\n this.state = {customers: []}\n }\n\n componentDidMount() {\n const cars = getData() // this fictional function calls an API\n this.setState({customers})\n }\n\n render() {\n return this.state.customers.map((car) => {\n return (

Customer: {customers.name}

)\n })\n }\n}\n")),Object(a.b)("p",null,"As the example above you are encouraged to lift state up, if two components need to act on the same data or need to use the same callback."),Object(a.b)("p",null,"So you should create a common ancestor in this common ancestor and then use the state to manage all the data and callbacks that children will use in rendering as following."),Object(a.b)("pre",null,Object(a.b)("code",Object(r.a)({parentName:"pre"},{className:"language-jsx"}),"// App.js\n\nimport React from 'react'\nimport Header from 'Header'\nimport List from 'List'\n\nexport class App extends React.Component {\n constructor(props){\n super(props)\n this.state = {customers: []}\n }\n\n componentDidMount() {\n const customers = getData() // this fictional function calls an API\n this.setState({customers})\n }\n\n render(){\n const {customers} = this.state\n\n return(\n

\n \n

\n )\n }\n}\n")),Object(a.b)("pre",null,Object(a.b)("code",Object(r.a)({parentName:"pre"},{className:"language-jsx"}),"// Header.js\n\nconst Header = ({customers}) => (

No of Customer: {customers.length}

)\n\nexport Header\n")),Object(a.b)("pre",null,Object(a.b)("code",Object(r.a)({parentName:"pre"},{className:"language-jsx"}),"// List.js\n\nconst List = ({customers}) => (\n customers.map((customer) => {\n return (

Customer: {customer.name}

)\n })\n)\n\nexport List\n")))}u.isMDXComponent=!0}}]);