{"id":105741,"date":"2025-04-12T19:24:24","date_gmt":"2025-04-12T14:54:24","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/%d8%af%d8%b1%da%a9-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1-%d8%af%d8%b1-react-community-dev\/"},"modified":"2025-04-12T19:24:24","modified_gmt":"2025-04-12T14:54:24","slug":"%d8%af%d8%b1%da%a9-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1-%d8%af%d8%b1-react-community-dev","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/%d8%af%d8%b1%da%a9-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1-%d8%af%d8%b1-react-community-dev\/","title":{"rendered":"&#8211; \u062f\u0631\u06a9 \u06a9\u0627\u0631\u0628\u0631 \u062f\u0631 React &#8211; Community Dev"},"content":{"rendered":"<div data-article-id=\"2402206\" id=\"article-body\">\n<p><strong><code>useReducer<\/code><\/strong>  \u06cc\u06a9 \u0642\u0644\u0627\u0628 React \u0627\u0633\u062a \u06a9\u0647 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0628\u0631\u0627\u06cc \u0622\u0646 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc \u06a9\u0646\u062f <code>useState<\/code> \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u0646\u0637\u0642 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u062f\u0648\u0644\u062a. \u0627\u06cc\u0646 \u0627\u0645\u0631 \u0628\u0647 \u0648\u06cc\u0698\u0647 \u0647\u0646\u06af\u0627\u0645\u06cc \u0645\u0641\u06cc\u062f \u0627\u0633\u062a \u06a9\u0647 \u0627\u0646\u062a\u0642\u0627\u0644 \u062f\u0648\u0644\u062a \u0628\u0647 \u062d\u0627\u0644\u062a \u0642\u0628\u0644\u06cc \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u06cc\u0627 \u0686\u0646\u062f\u06cc\u0646 \u062d\u0627\u0644\u062a \u0632\u06cc\u0631 \u0631\u0627 \u062f\u0631\u06af\u06cc\u0631 \u06a9\u0646\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight jsx\"><code><span class=\"kd\">const<\/span> <span class=\"p\">[<\/span><span class=\"nx\">state<\/span><span class=\"p\">,<\/span> <span class=\"nx\">dispatch<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">useReducer<\/span><span class=\"p\">(<\/span><span class=\"nx\">reducer<\/span><span class=\"p\">,<\/span> <span class=\"nx\">initialState<\/span><span class=\"p\">);<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<ul>\n<li>\n<strong>\u06a9\u0627\u0647\u0634 \u062f\u0647\u0646\u062f\u0647:<\/strong> \u062a\u0627\u0628\u0639\u06cc \u06a9\u0647 \u0648\u0636\u0639\u06cc\u062a \u0641\u0639\u0644\u06cc \u0648 \u06cc\u06a9 \u0639\u0645\u0644 \u0631\u0627 \u0628\u0647 \u062e\u0648\u062f \u0627\u062e\u062a\u0635\u0627\u0635 \u0645\u06cc \u062f\u0647\u062f \u060c \u0633\u067e\u0633 \u062d\u0627\u0644\u062a \u062c\u062f\u06cc\u062f \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f. \u0628\u0631 \u0627\u0633\u0627\u0633 Action.Type \u060c \u062d\u0627\u0644\u062a \u062c\u062f\u06cc\u062f \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.<\/li>\n<li>\n<strong>InitialState:<\/strong> \u0645\u0642\u062f\u0627\u0631 \u0627\u0648\u0644\u06cc\u0647 \u062f\u0648\u0644\u062a.<\/li>\n<li>\n<strong>\u062d\u0627\u0644\u062a:<\/strong> \u0627\u0631\u0632\u0634 \u062d\u0627\u0644\u062a \u0641\u0639\u0644\u06cc \u0631\u0627 \u062f\u0631 \u0627\u062e\u062a\u06cc\u0627\u0631 \u062f\u0627\u0631\u062f<\/li>\n<li>\n<strong>\u0627\u0639\u0632\u0627\u0645:<\/strong> \u062a\u0627\u0628\u0639\u06cc \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0627\u0631\u0633\u0627\u0644 \u0627\u0642\u062f\u0627\u0645\u0627\u062a \u0628\u0647 \u06a9\u0627\u0647\u0634 \u062f\u0647\u0646\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight jsx\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">initialState<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span><span class=\"na\">count<\/span> <span class=\"p\">:<\/span> <span class=\"mi\">0<\/span><span class=\"p\">};<\/span>\n\n<span class=\"kd\">function<\/span> <span class=\"nf\">reducer<\/span><span class=\"p\">(<\/span><span class=\"nx\">state<\/span><span class=\"p\">,<\/span> <span class=\"nx\">action<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n   <span class=\"k\">switch <\/span><span class=\"p\">(<\/span><span class=\"nx\">action<\/span><span class=\"p\">.<\/span><span class=\"nx\">type<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n      <span class=\"k\">case<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">increment<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span>\n         <span class=\"c1\">\/\/ Return a NEW object with the updated property<\/span>\n         <span class=\"k\">return<\/span> <span class=\"p\">{<\/span> <span class=\"p\">...<\/span><span class=\"nx\">state<\/span><span class=\"p\">,<\/span> <span class=\"na\">count<\/span><span class=\"p\">:<\/span> <span class=\"nx\">state<\/span><span class=\"p\">.<\/span><span class=\"nx\">count<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">action<\/span><span class=\"p\">.<\/span><span class=\"nx\">payload<\/span> <span class=\"p\">};<\/span>\n      <span class=\"k\">case<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">decrement<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span>\n         <span class=\"k\">return<\/span> <span class=\"p\">{<\/span> <span class=\"p\">...<\/span><span class=\"nx\">state<\/span><span class=\"p\">,<\/span> <span class=\"na\">count<\/span><span class=\"p\">:<\/span> <span class=\"nx\">state<\/span><span class=\"p\">.<\/span><span class=\"nx\">count<\/span> <span class=\"o\">-<\/span> <span class=\"nx\">action<\/span><span class=\"p\">.<\/span><span class=\"nx\">payload<\/span> <span class=\"p\">};<\/span>\n\n      <span class=\"c1\">\/\/ \u274c \u274c BAD: Returns a number, not the state object shape! AVOID<\/span>\n      <span class=\"c1\">\/\/ case \"increment\":<\/span>\n      <span class=\"c1\">\/\/   return state.count + action.payload;<\/span>\n\n      <span class=\"nl\">default<\/span><span class=\"p\">:<\/span>\n         <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Error<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">Unknown action type<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\n   <span class=\"p\">}<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight jsx\"><code><span class=\"kd\">function<\/span> <span class=\"nf\">Component<\/span><span class=\"p\">(){<\/span>\n   <span class=\"kd\">const<\/span> <span class=\"p\">[<\/span><span class=\"nx\">state<\/span><span class=\"p\">,<\/span> <span class=\"nx\">dispatch<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">useReducer<\/span><span class=\"p\">(<\/span><span class=\"nx\">reducer<\/span><span class=\"p\">,<\/span> <span class=\"nx\">initialState<\/span><span class=\"p\">);<\/span>\n\n   <span class=\"kd\">const<\/span> <span class=\"nx\">incrementCount<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(){<\/span>\n   <span class=\"c1\">\/\/sends an action to the reducer, updating the state accordingly.<\/span>\n      <span class=\"nf\">dispatch<\/span><span class=\"p\">({<\/span> <span class=\"na\">type<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">increment<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"na\">payload<\/span><span class=\"p\">:<\/span> <span class=\"mi\">1<\/span> <span class=\"p\">})<\/span> \n   <span class=\"p\">}<\/span>\n   <span class=\"kd\">const<\/span> <span class=\"nx\">decrementCount<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(){<\/span>\n   <span class=\"c1\">\/\/sends an action to the reducer, updating the state accordingly<\/span>\n      <span class=\"nf\">dispatch<\/span><span class=\"p\">({<\/span> <span class=\"na\">type<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">decrement<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"na\">payload<\/span><span class=\"p\">:<\/span> <span class=\"mi\">1<\/span> <span class=\"p\">})<\/span>\n   <span class=\"p\">}<\/span>\n\n   <span class=\"k\">return <\/span><span class=\"p\">(<\/span>\n      <span class=\"p\">&lt;<\/span><span class=\"nt\">button<\/span> <span class=\"na\">onClick<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"nx\">incrementCount<\/span><span class=\"si\">}<\/span><span class=\"p\">&gt;<\/span>+<span class=\"p\"\/><span class=\"nt\">button<\/span><span class=\"p\">&gt;<\/span>\n      <span class=\"p\">&lt;<\/span><span class=\"nt\">span<\/span><span class=\"p\">&gt;<\/span>Count: <span class=\"si\">{<\/span><span class=\"nx\">state<\/span><span class=\"p\">.<\/span><span class=\"nx\">count<\/span><span class=\"si\">}<\/span><span class=\"p\"\/><span class=\"nt\">span<\/span><span class=\"p\">&gt;<\/span>\n      <span class=\"p\">&lt;<\/span><span class=\"nt\">button<\/span> <span class=\"na\">onClick<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"nx\">decrementCount<\/span><span class=\"si\">}<\/span><span class=\"p\">&gt;<\/span>-<span class=\"p\"\/><span class=\"nt\">button<\/span><span class=\"p\">&gt;<\/span>\n   <span class=\"p\">)<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<hr\/>\n<blockquote>\n<p>\ud83d\udccc<strong>\u062f\u0631 <code>reducer<\/code> \u0628\u0627\u06cc\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u062e\u0627\u0644\u0635 \u0628\u0627\u0634\u062f \u0648 \u06cc\u06a9 \u0634\u06cc\u0621 \u06a9\u0627\u0645\u0644\u0627\u064b \u062c\u062f\u06cc\u062f \u0631\u0627 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f.<\/strong><\/p>\n<\/blockquote>\n<hr\/>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter-rtl ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nabfollower.com\/blog\/%d8%af%d8%b1%da%a9-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1-%d8%af%d8%b1-react-community-dev\/#%DA%86%DA%AF%D9%88%D9%86%D9%87_usereducer_%DA%A9%D8%A7%D8%B1_%D9%85%DB%8C_%DA%A9%D9%86%D8%AF_%D8%AC%D8%B1%DB%8C%D8%A7%D9%86\" >\u0686\u06af\u0648\u0646\u0647 usereducer \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f: \u062c\u0631\u06cc\u0627\u0646<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nabfollower.com\/blog\/%d8%af%d8%b1%da%a9-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1-%d8%af%d8%b1-react-community-dev\/#%DA%86%D9%87_%D8%B2%D9%85%D8%A7%D9%86%DB%8C_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D8%AF_useReducer%E2%9D%93\" >\u0686\u0647 \u0632\u0645\u0627\u0646\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f useReducer\u2753<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/%d8%af%d8%b1%da%a9-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1-%d8%af%d8%b1-react-community-dev\/#%DA%86%D8%B1%D8%A7_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D8%AF_useReducer%E2%9D%93\" >\u0686\u0631\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f useReducer\u2753<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nabfollower.com\/blog\/%d8%af%d8%b1%da%a9-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1-%d8%af%d8%b1-react-community-dev\/#%F0%9F%A7%AD_%DA%86%D9%87_%D9%85%D9%88%D9%82%D8%B9_%D8%A7%D8%B2_%DA%86%D9%87_%DA%86%DB%8C%D8%B2%DB%8C_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D9%85%D8%9F\" >\ud83e\udded \u0686\u0647 \u0645\u0648\u0642\u0639 \u0627\u0632 \u0686\u0647 \u0686\u06cc\u0632\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nabfollower.com\/blog\/%d8%af%d8%b1%da%a9-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1-%d8%af%d8%b1-react-community-dev\/#%E2%9C%85_%D9%86%D8%AA%DB%8C%D8%AC%D9%87_%DA%AF%DB%8C%D8%B1%DB%8C\" >\u2705 \u0646\u062a\u06cc\u062c\u0647 \u06af\u06cc\u0631\u06cc<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%DA%86%DA%AF%D9%88%D9%86%D9%87_usereducer_%DA%A9%D8%A7%D8%B1_%D9%85%DB%8C_%DA%A9%D9%86%D8%AF_%D8%AC%D8%B1%DB%8C%D8%A7%D9%86\"><\/span>\n<p>  \u0686\u06af\u0648\u0646\u0647 usereducer \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f: \u062c\u0631\u06cc\u0627\u0646<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0641\u0631\u0622\u06cc\u0646\u062f \u06af\u0627\u0645 \u0628\u0647 \u06af\u0627\u0645 \u062a\u0648\u0636\u06cc\u062d \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0627\u062c\u0632\u0627\u06cc \u0627\u062c\u0632\u0627\u06cc \u0622\u0646 <code>useReducer<\/code> \u062a\u0639\u0627\u0645\u0644:<\/p>\n<ol>\n<li>\n<p><strong>\u062a\u0646\u0638\u06cc\u0645 \u0627\u0648\u0644\u06cc\u0647:<\/strong> \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0645\u0624\u0644\u0641\u0647 \u0634\u0645\u0627 \u0628\u0631\u0627\u06cc \u0627\u0648\u0644\u06cc\u0646 \u0628\u0627\u0631 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u0634\u0648\u062f \u060c <code>useReducer<\/code> \u0628\u0627 \u0634\u0645\u0627 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f <strong><code>Reducer Function<\/code><\/strong>  \u0648 <strong><code>initialState<\/code><\/strong>\u0628\u0634\u0631 \u062c\u0631\u06cc\u0627\u0646 \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f <strong><code>State Object<\/code><\/strong>  (\u06a9\u0647 <code>initialState<\/code> \u062f\u0631 \u0627\u0628\u062a\u062f\u0627) \u0648 <strong><code>Dispatch Function<\/code><\/strong>\u0628\u0634\u0631<\/p>\n<\/li>\n<li>\n<p><strong>\u0645\u0627\u0634\u0647 \u0631\u0648\u06cc\u062f\u0627\u062f:<\/strong> \u0627\u062a\u0641\u0627\u0642\u06cc \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0634\u0645\u0627 \u0631\u062e \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u062a\u063a\u06cc\u06cc\u0631 \u062d\u0627\u0644\u062a \u062f\u0627\u0631\u062f (\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u060c \u06a9\u0627\u0631\u0628\u0631 \u0631\u0648\u06cc \u06cc\u06a9 \u062f\u06a9\u0645\u0647 \u060c \u0627\u0646\u0648\u0627\u0639 \u062f\u0631 \u06cc\u06a9 \u0642\u0633\u0645\u062a \u060c \u062f\u0627\u062f\u0647 \u0647\u0627 \u0648\u0627\u0631\u062f \u0645\u06cc \u0634\u0648\u062f).<\/p>\n<\/li>\n<li>\n<p><strong>\u0627\u0639\u0632\u0627\u0645 \u06cc\u06a9 \u0639\u0645\u0644:<\/strong> \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f\u0647 \u0631\u0648\u06cc\u062f\u0627\u062f \u0628\u0631\u0627\u06cc \u0622\u0646 \u0631\u0648\u06cc\u062f\u0627\u062f \u062a\u0645\u0627\u0633 \u0645\u06cc \u06af\u06cc\u0631\u062f <strong><code>Dispatch Function<\/code><\/strong>\u0628\u0634\u0631 \u0634\u0645\u0627 \u0639\u0628\u0648\u0631 \u0645\u06cc \u06a9\u0646\u06cc\u062f <strong><code>Action Object<\/code><\/strong>  \u0628\u0647 <code>dispatch<\/code>\u0628\u0634\u0631 \u0627\u06cc\u0646 <strong><code>Action Object<\/code><\/strong>  \u062d\u0627\u0648\u06cc \u0627\u0637\u0644\u0627\u0639\u0627\u062a\u06cc \u062f\u0631 \u0645\u0648\u0631\u062f <em>\u0686\u0647<\/em> \u062a\u063a\u06cc\u06cc\u0631 \u0628\u0627\u06cc\u062f \u0627\u062a\u0641\u0627\u0642 \u0628\u06cc\u0641\u062a\u062f ( <strong><code>type<\/code><\/strong>) \u0648 \u0647\u0631 \u062f\u0627\u062f\u0647 \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0628\u0631\u0627\u06cc \u0622\u0646 \u062a\u063a\u06cc\u06cc\u0631 ( <strong><code>payload<\/code><\/strong>).<\/p>\n<ul>\n<li>\n<em>\u0645\u062b\u0627\u0644:<\/em> <code>dispatch({ type: 'INCREMENT', payload: 1 })<\/code>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u06a9\u0627\u0647\u0634 \u062f\u0647\u0646\u062f\u0647 \u0628\u0647 \u0646\u0627\u0645:<\/strong> \u0648\u0627\u06a9\u0646\u0634 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f <strong><code>Action Object<\/code><\/strong>  \u0634\u0645\u0627 \u0627\u0639\u0632\u0627\u0645 \u06a9\u0631\u062f\u06cc\u062f \u0648 \u0628\u0627 \u062e\u0648\u062f \u062a\u0645\u0627\u0633 \u0645\u06cc \u06af\u06cc\u0631\u06cc\u062f <strong><code>Reducer Function<\/code><\/strong>\u0628\u0634\u0631 \u0627\u06cc\u0646 \u062f\u0648 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0631\u0627 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0647\u0634 \u062f\u0647\u0646\u062f\u0647 \u0634\u0645\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f:<\/p>\n<ul>\n<li>\u062f\u0631 <em>\u062c\u0627\u0631\u06cc<\/em> <strong><code>State Object<\/code><\/strong>\u0628\u0634\u0631<\/li>\n<li>\u062f\u0631 <strong><code>Action Object<\/code><\/strong>  \u0634\u0645\u0627 \u0641\u0642\u0637 \u0627\u0639\u0632\u0627\u0645 \u06a9\u0631\u062f\u06cc\u062f.<\/li>\n<li>\n<em>\u0645\u062b\u0627\u0644:<\/em> <code>reducer(currentState, { type: 'INCREMENT', payload: 1 })<\/code>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u0645\u062d\u0627\u0633\u0628\u0647 \u062d\u0627\u0644\u062a \u062c\u062f\u06cc\u062f:<\/strong> \u062f\u0631\u0648\u0646 \u0634\u0645\u0627 <strong><code>Reducer Function<\/code><\/strong>\u060c \u0634\u0645\u0627 \u0627\u0632 <code>action.type<\/code> (\u0648 <code>action.payload<\/code> \u062f\u0631 \u0635\u0648\u0631\u062a \u0644\u0632\u0648\u0645) \u0628\u0631\u0627\u06cc \u062a\u0639\u06cc\u06cc\u0646 \u0646\u062d\u0648\u0647 \u0645\u062d\u0627\u0633\u0628\u0647 <em>\u0637\u0631\u0641 \u062f\u06cc\u06af\u0631<\/em> \u062f\u0648\u0644\u062a \u0628\u0631 \u0627\u0633\u0627\u0633 <em>\u062c\u0627\u0631\u06cc<\/em> \u062f\u0648\u0644\u062a \u0627\u06cc\u0646 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0639\u0645\u0648\u0644 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 a \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u0634\u0648\u062f <code>switch<\/code> \u0628\u06cc\u0627\u0646\u06cc\u0647 \u06cc\u0627 <code>if\/else<\/code> \u0634\u0631\u0627\u06cc\u0637 \u0628\u0631 \u0627\u0633\u0627\u0633 <code>action.type<\/code>\u0628\u0634\u0631 <strong>\u0627\u0632 \u0646\u0638\u0631 \u0645\u0647\u0645 \u060c \u06a9\u0627\u0647\u0634 \u062f\u0647\u0646\u062f\u0647 \u0628\u0627\u06cc\u062f \u062e\u0627\u0644\u0635 \u0628\u0627\u0634\u062f \u0648 \u06a9\u0627\u0645\u0644\u0627\u064b \u0628\u0631\u06af\u0631\u062f\u062f <em>\u062c\u062f\u06cc\u062f<\/em> \u0634\u06cc\u0621 \u062d\u0627\u0644\u062a (<\/strong><code>immutability<\/code><strong>) \u060c \u0645\u0648\u062c\u0648\u062f \u0645\u0648\u062c\u0648\u062f \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0646\u062f\u0647\u06cc\u062f.<\/strong><\/p>\n<ul>\n<li>\n<em>\u0645\u062b\u0627\u0644:<\/em> \u0628\u0631 <code>{ type: 'INCREMENT', payload: 1 }<\/code>\u060c \u06a9\u0627\u0647\u0634 \u062f\u0647\u0646\u062f\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0631\u06af\u0631\u062f\u062f <code>{ ...currentState, count: currentState.count + 1 }<\/code>\u0628\u0634\u0631<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u0628\u0647 \u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u062d\u0627\u0644\u062a:<\/strong> <code>useReducer<\/code>  \u0634\u06cc\u0621 \u062f\u0648\u0644\u062a \u062c\u062f\u06cc\u062f \u0631\u0627 \u06a9\u0647 \u062a\u0648\u0633\u0637 \u0634\u0645\u0627 \u0628\u0631\u06af\u0634\u062a\u0647 \u0627\u0633\u062a \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc \u06a9\u0646\u062f <strong><code>Reducer Function<\/code><\/strong>\u0628\u0634\u0631 \u0633\u067e\u0633 \u0648\u0636\u0639\u06cc\u062a \u062f\u0627\u062e\u0644\u06cc \u0645\u0631\u062a\u0628\u0637 \u0628\u0627 \u0645\u0624\u0644\u0641\u0647 \u0634\u0645\u0627 \u0631\u0627 \u0628\u0647 \u0631\u0648\u0632 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<\/li>\n<li>\n<p><strong>RE-RENDER:<\/strong> \u0648\u0627\u06a9\u0646\u0634 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u062f\u0648\u0644\u062a \u062a\u0648\u0633\u0637 <code>useReducer<\/code> \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a \u0627\u06cc\u0646 \u0645\u0624\u0644\u0641\u0647 \u0634\u0645\u0627 (\u0648 \u0628\u0647 \u0637\u0648\u0631 \u0628\u0627\u0644\u0642\u0648\u0647 \u0641\u0631\u0632\u0646\u062f\u0627\u0646 \u0622\u0646) \u0631\u0627 \u0628\u0647 \u0622\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u06cc\u0632\u06cc \u0645\u06cc \u06a9\u0646\u062f <strong>\u062f\u0648\u0628\u0627\u0631\u0647 \u062f\u0627\u062f\u0646<\/strong>\u0628\u0634\u0631 \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0645\u0624\u0644\u0641\u0647 \u062f\u0648\u0628\u0627\u0631\u0647 \u0631\u062f \u0645\u06cc \u0634\u0648\u062f \u060c <code>useReducer<\/code> \u0647\u0648\u06a9 \u0627\u06a9\u0646\u0648\u0646 \u0628\u0627\u0632 \u0645\u06cc \u06af\u0631\u062f\u062f <em>\u0628\u0647 \u0631\u0648\u0632 \u0634\u062f\u0647<\/em> <strong><code>State Object<\/code><\/strong>  \u0627\u0632 \u0645\u0631\u062d\u0644\u0647 6 \u060c UI \u0634\u0645\u0627 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0627\u06cc\u0646 \u062d\u0627\u0644\u062a \u062c\u062f\u06cc\u062f \u0646\u0645\u0627\u06cc\u0634 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<\/li>\n<\/ol>\n<p>\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u060c <code>useReducer<\/code> \u06cc\u06a9 \u0686\u0631\u062e\u0647 \u0633\u0627\u062e\u062a\u0627\u0631\u06cc \u0631\u0627 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc \u06a9\u0646\u062f: an <strong><code>action<\/code><\/strong>  \u062f\u0631 \u062d\u0627\u0644 \u062a\u0648\u0635\u06cc\u0641 \u06cc\u06a9 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a -> <strong><code>reducer function<\/code><\/strong>  \u062d\u0627\u0644\u062a \u062c\u062f\u06cc\u062f \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0648\u0636\u0639\u06cc\u062a \u0641\u0639\u0644\u06cc \u0648 \u0639\u0645\u0644 \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u06cc \u06a9\u0646\u062f -> React \u0628\u0647 \u0631\u0648\u0632 \u0645\u06cc \u06a9\u0646\u062f <strong><code>state<\/code><\/strong>  -> \u0645\u0624\u0644\u0641\u0647 <strong>\u0645\u062c\u062f\u062f\u0627\u064b<\/strong> \u0628\u0627 \u062d\u0627\u0644\u062a \u062c\u062f\u06cc\u062f \u062f\u0631 <strong><code>dispatch function<\/code><\/strong>  \u0645\u0627\u0634\u0647 \u0627\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0627\u06cc\u0646 \u0686\u0631\u062e\u0647 \u0631\u0627 \u0634\u0631\u0648\u0639 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<hr\/>\n<h2><span class=\"ez-toc-section\" id=\"%DA%86%D9%87_%D8%B2%D9%85%D8%A7%D9%86%DB%8C_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D8%AF_useReducer%E2%9D%93\"><\/span>\n<p>  \u0686\u0647 \u0632\u0645\u0627\u0646\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>useReducer<\/code>\u2753<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>\u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0627\u0646\u062a\u0642\u0627\u0644 \u062d\u0627\u0644\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647 \u062a\u0631 \u0627\u0633\u062a (\u0632\u0646\u062c\u06cc\u0631\u0647 \u0647\u0627\u06cc \u0627\u06cc\u0632 \u06cc\u0627 \u0628\u0647 \u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u0647\u0627\u06cc \u0686\u0646\u062f\u06af\u0627\u0646\u0647 \u0645\u0631\u062a\u0628\u0637).<\/li>\n<li>\u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0628\u0647 \u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0648\u0644\u062a \u0645\u062a\u0645\u0631\u06a9\u0632 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f.<\/li>\n<li>\u0634\u0645\u0627 \u0686\u0646\u062f\u06cc\u0646 \u0645\u062a\u063a\u06cc\u0631 \u062d\u0627\u0644\u062a \u0645\u0631\u062a\u0628\u0637 \u062f\u0627\u0631\u06cc\u062f.<\/li>\n<li>\u0628\u0647 \u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u0647\u0627\u06cc \u062d\u0627\u0644\u062a \u0648\u0627\u0628\u0633\u062a\u0647 \u0628\u0647 \u0647\u0645 \u0647\u0633\u062a\u0646\u062f.<\/li>\n<li>\u0648\u0642\u062a\u06cc \u0648\u0636\u0639\u06cc\u062a \u0628\u0639\u062f\u06cc \u0628\u0647 \u0648\u0636\u0639\u06cc\u062a \u0642\u0628\u0644\u06cc \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\u062f.<\/li>\n<li>\u0634\u0645\u0627 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0627\u062c\u0632\u0627\u06cc \u062e\u0648\u062f \u0631\u0627 \u062a\u0645\u06cc\u0632 \u062a\u0631 \u0648 \u062e\u0648\u0627\u0646\u062f\u0646\u06cc \u062a\u0631 \u0646\u06af\u0647 \u062f\u0627\u0631\u06cc\u062f.<\/li>\n<\/ul>\n<hr\/>\n<h2><span class=\"ez-toc-section\" id=\"%DA%86%D8%B1%D8%A7_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D8%AF_useReducer%E2%9D%93\"><\/span>\n<p>  \u0686\u0631\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>useReducer<\/code>\u2753<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 <code>useState<\/code> \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u062d\u0627\u0644\u062a \u0633\u0627\u062f\u0647 \u06a9\u0627\u0641\u06cc \u0627\u0633\u062a \u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062f\u0633\u062a \u0648 \u067e\u0627 \u06af\u06cc\u0631 \u0634\u0648\u062f \u0648\u0642\u062a\u06cc:<\/p>\n<ul>\n<li>\u0627\u06cc\u0646 \u0645\u0624\u0644\u0641\u0647 \u062f\u0627\u0631\u0627\u06cc \u0686\u0646\u062f\u06cc\u0646 \u0645\u062a\u063a\u06cc\u0631 \u062d\u0627\u0644\u062a \u0627\u0633\u062a.<\/li>\n<li>\u0628\u0647 \u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u0647\u0627\u06cc \u062f\u0648\u0644\u062a\u06cc \u062f\u0631 \u0628\u06cc\u0646 \u0686\u0646\u062f\u06cc\u0646 \u0631\u0648\u06cc\u062f\u0627\u062f \u0631\u0648\u06cc\u062f\u0627\u062f \u067e\u0631\u0627\u06a9\u0646\u062f\u0647 \u0645\u06cc \u0634\u0648\u0646\u062f.<\/li>\n<li>\u0628\u0647 \u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u0647\u0627\u06cc \u0686\u0646\u062f \u062d\u0627\u0644\u062a\u0647 \u0628\u0627\u06cc\u062f \u062f\u0631 \u067e\u0627\u0633\u062e \u0628\u0647 \u06cc\u06a9 \u0631\u0648\u06cc\u062f\u0627\u062f \u0647\u0645\u0632\u0645\u0627\u0646 \u0627\u062a\u0641\u0627\u0642 \u0628\u06cc\u0641\u062a\u062f.<\/li>\n<li>\u0628\u0647 \u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u0647\u0627\u06cc \u062d\u0627\u0644\u062a \u0628\u0647 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u062d\u0627\u0644\u062a \u062f\u06cc\u06af\u0631 \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0648\u0627\u0631\u062f \u060c <code>useReducer<\/code> \u0628\u0647 \u0633\u0627\u0632\u0645\u0627\u0646\u062f\u0647\u06cc \u0628\u0647 \u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u0647\u0627\u06cc \u062d\u0627\u0644\u062a \u0628\u0647 \u0631\u0648\u0634\u06cc \u0633\u0627\u062e\u062a \u06cc\u0627\u0641\u062a\u0647 \u062a\u0631 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<\/ul>\n<hr\/>\n<h2><span class=\"ez-toc-section\" id=\"%F0%9F%A7%AD_%DA%86%D9%87_%D9%85%D9%88%D9%82%D8%B9_%D8%A7%D8%B2_%DA%86%D9%87_%DA%86%DB%8C%D8%B2%DB%8C_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D9%85%D8%9F\"><\/span>\n<p>  \ud83e\udded \u0686\u0647 \u0645\u0648\u0642\u0639 \u0627\u0632 \u0686\u0647 \u0686\u06cc\u0632\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u061f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"table-wrapper-paragraph\">\n<table>\n<thead>\n<tr>\n<th>\u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647<\/th>\n<th>\u0631\u0648\u06cc\u06a9\u0631\u062f \u062a\u0648\u0635\u06cc\u0647 \u0634\u062f\u0647<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u062d\u0627\u0644\u062a \u0645\u062d\u0644\u06cc \u0633\u0627\u062f\u0647 (\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u0648\u0631\u0648\u062f\u06cc \u0647\u0627\u06cc \u0641\u0631\u0645 \u060c \u0636\u0627\u0645\u0646)<\/td>\n<td><code>useState<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u062f\u0648\u0644\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0645\u062d\u0644\u06cc (\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u0628\u0647 \u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u0647\u0627\u06cc \u062a\u0648 \u062f\u0631 \u062a\u0648 \u060c \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0647\u0627)<\/td>\n<td><code>useReducer<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u062f\u0648\u0644\u062a \u062c\u0647\u0627\u0646\u06cc \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0628\u0631\u0646\u0627\u0645\u0647 \u06a9\u0648\u0686\u06a9 \u0648 \u0645\u062a\u0648\u0633\u0637 \u200b\u200b\u0628\u0647 \u0627\u0634\u062a\u0631\u0627\u06a9 \u06af\u0630\u0627\u0634\u062a\u0647 \u0627\u0633\u062a<\/td>\n<td>\n<code>useReducer<\/code>  + API \u0632\u0645\u06cc\u0646\u0647<\/td>\n<\/tr>\n<tr>\n<td>\u062d\u0627\u0644\u062a \u062c\u0647\u0627\u0646\u06cc \u062f\u0631 \u06cc\u06a9 \u06a9\u0627\u0631\u0628\u0631\u062f \u0628\u0632\u0631\u06af \u0648 \u067e\u06cc\u0686\u06cc\u062f\u0647<\/td>\n<td>\u0645\u062c\u062f\u062f\u0627\u064b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<hr\/>\n<h2><span class=\"ez-toc-section\" id=\"%E2%9C%85_%D9%86%D8%AA%DB%8C%D8%AC%D9%87_%DA%AF%DB%8C%D8%B1%DB%8C\"><\/span>\n<p>  \u2705 \u0646\u062a\u06cc\u062c\u0647 \u06af\u06cc\u0631\u06cc<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 <code>useReducer<\/code> \u0647\u0648\u06a9 \u06cc\u06a9 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0642\u0648\u06cc \u0628\u0631\u0627\u06cc <code>useState<\/code>\u060c \u0628\u0647 \u0648\u06cc\u0698\u0647 \u0645\u0646\u0627\u0633\u0628 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u0646\u0637\u0642 \u0648 \u0633\u0646\u0627\u0631\u06cc\u0648\u0647\u0627\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647 \u062f\u0648\u0644\u062a \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u062d\u0627\u0644\u062a \u0628\u0639\u062f\u06cc \u0628\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u0642\u0628\u0644\u06cc \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\u062f. \u0628\u0627 \u0645\u062a\u0645\u0631\u06a9\u0632 \u06a9\u0631\u062f\u0646 \u0627\u0646\u062a\u0642\u0627\u0644 \u062d\u0627\u0644\u062a \u062f\u0631 \u06cc\u06a9 \u0639\u0645\u0644\u06a9\u0631\u062f \u06a9\u0627\u0647\u0634 \u062f\u0647\u0646\u062f\u0647 \u062e\u0627\u0644\u0635 \u060c <code>useReducer<\/code> \u067e\u0627\u06a9 \u06a9\u0646\u0646\u062f\u0647 \u062a\u0631 \u060c \u06a9\u062f \u0646\u06af\u0647\u062f\u0627\u0631\u0646\u062f\u0647 \u062a\u0631 \u0631\u0627 \u062a\u0631\u0648\u06cc\u062c \u0645\u06cc \u06a9\u0646\u062f \u0648 \u067e\u06cc\u0634 \u0628\u06cc\u0646\u06cc \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u062d\u0627\u0644\u062a \u0631\u0627 \u0628\u0647\u0628\u0648\u062f \u0645\u06cc \u0628\u062e\u0634\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u06cc\u06a9 \u0627\u0646\u062a\u062e\u0627\u0628 \u0639\u0627\u0644\u06cc \u0627\u0633\u062a \u0648\u0642\u062a\u06cc:<\/p>\n<ul>\n<li>\u0634\u0645\u0627 \u0686\u0646\u062f\u06cc\u0646 \u0628\u062e\u0634 \u0645\u0631\u062a\u0628\u0637 \u0628\u0627 \u0622\u0646 \u062f\u0627\u0631\u06cc\u062f.<\/li>\n<li>\u0628\u0647 \u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u0647\u0627\u06cc \u062d\u0627\u0644\u062a \u0648\u0627\u0628\u0633\u062a\u0647 \u0628\u0647 \u0647\u0645 \u0648\u0627\u0628\u0633\u062a\u0647 \u06cc\u0627 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0647\u0633\u062a\u0646\u062f.<\/li>\n<li>\u0634\u0645\u0627 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0645\u0646\u0637\u0642 \u062d\u0627\u0644\u062a \u0631\u0627 \u0627\u0632 \u0645\u0646\u0637\u0642 UI \u0628\u0631\u0627\u06cc \u062e\u0648\u0627\u0646\u0627\u06cc\u06cc \u0628\u0647\u062a\u0631 \u062c\u062f\u0627 \u06a9\u0646\u06cc\u062f.<\/li>\n<\/ul>\n<p>\u062f\u0631\u06a9 <code>useReducer<\/code> \u0646\u0647 \u062a\u0646\u0647\u0627 \u0628\u0647 \u0633\u0627\u062e\u062a\u0627\u0631 \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0648\u0644\u062a \u0628\u0647 \u0637\u0648\u0631 \u0645\u0624\u062b\u0631\u062a\u0631\u06cc \u062f\u0631 \u0645\u0624\u0644\u0641\u0647 \u0647\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u060c \u0628\u0644\u06a9\u0647 \u067e\u0627\u06cc\u0647 \u0648 \u0627\u0633\u0627\u0633 \u0645\u062d\u06a9\u0645\u06cc \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631 \u0628\u0627 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u062a\u0631 \u0645\u0627\u0646\u0646\u062f <strong><code>Redux<\/code><\/strong>\u0628\u0634\u0631<\/p>\n<hr\/>\n<p>\u0644\u0627\u06cc\u06a9 \u060c \u0646\u0638\u0631\u0627\u062a \u0648 \u0628\u0627\u0632\u062e\u0648\u0631\u062f \u062e\u0648\u0634 \u0622\u0645\u062f\u06cc\u062f!<\/p>\n<p>\u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0645\u0628\u0627\u0631\u06a9!<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>useReducer \u06cc\u06a9 \u0642\u0644\u0627\u0628 React \u0627\u0633\u062a \u06a9\u0647 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0628\u0631\u0627\u06cc \u0622\u0646 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc \u06a9\u0646\u062f useState \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u0646\u0637\u0642 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u062f\u0648\u0644\u062a. \u0627\u06cc\u0646 \u0627\u0645\u0631 \u0628\u0647 \u0648\u06cc\u0698\u0647 \u0647\u0646\u06af\u0627\u0645\u06cc \u0645\u0641\u06cc\u062f \u0627\u0633\u062a \u06a9\u0647 \u0627\u0646\u062a\u0642\u0627\u0644 \u062f\u0648\u0644\u062a \u0628\u0647 \u062d\u0627\u0644\u062a \u0642\u0628\u0644\u06cc \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u06cc\u0627 \u0686\u0646\u062f\u06cc\u0646 \u062d\u0627\u0644\u062a \u0632\u06cc\u0631 \u0631\u0627 \u062f\u0631\u06af\u06cc\u0631 \u06a9\u0646\u062f. const [state, dispatch] = useReducer(reducer, initialState); \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f \u0627\u0632 \u062d\u0627\u0644\u062a &hellip;<\/p>\n","protected":false},"author":2,"featured_media":105742,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/media2.dev.to\/dynamic\/image\/width=1000,height=500,fit=cover,gravity=auto,format=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fr1pu2cp6tudc6jcxkuh1.png","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-105741","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/105741","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=105741"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/105741\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/105742"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=105741"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=105741"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=105741"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}