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                                <h1 id="&#x433;&#x435;&#x442;&#x442;&#x435;&#x440;&#x44B;">&#x413;&#x435;&#x442;&#x442;&#x435;&#x440;&#x44B;</h1>
<p>&#x418;&#x43D;&#x43E;&#x433;&#x434;&#x430; &#x43C;&#x43E;&#x436;&#x435;&#x442; &#x43F;&#x43E;&#x43D;&#x430;&#x434;&#x43E;&#x431;&#x438;&#x442;&#x441;&#x44F; &#x434;&#x43E;&#x441;&#x442;&#x443;&#x43F; &#x43A; &#x43F;&#x440;&#x43E;&#x438;&#x437;&#x432;&#x43E;&#x434;&#x43D;&#x44B;&#x43C; &#x434;&#x430;&#x43D;&#x43D;&#x44B;&#x43C;, &#x43E;&#x441;&#x43D;&#x43E;&#x432;&#x44B;&#x432;&#x430;&#x44E;&#x449;&#x438;&#x43C;&#x441;&#x44F; &#x43D;&#x430; &#x441;&#x43E;&#x441;&#x442;&#x43E;&#x44F;&#x43D;&#x438;&#x438; &#x445;&#x440;&#x430;&#x43D;&#x438;&#x43B;&#x438;&#x449;&#x430;: &#x43D;&#x430;&#x43F;&#x440;&#x438;&#x43C;&#x435;&#x440;, &#x43A; &#x43E;&#x442;&#x444;&#x438;&#x43B;&#x44C;&#x442;&#x440;&#x43E;&#x432;&#x430;&#x43D;&#x43D;&#x43E;&#x439; &#x432;&#x435;&#x440;&#x441;&#x438;&#x438; &#x441;&#x43F;&#x438;&#x441;&#x43A;&#x430; &#x438;&#x43B;&#x438; &#x43A;&#x43E;&#x43B;&#x438;&#x447;&#x435;&#x441;&#x442;&#x432;&#x443; &#x44D;&#x43B;&#x435;&#x43C;&#x435;&#x43D;&#x442;&#x43E;&#x432; &#x432; &#x43D;&#x451;&#x43C;:</p>
<pre class="language-"><code class="lang-js">computed<span class="token punctuation">:</span> <span class="token punctuation">{</span>
  doneTodosCount <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>$store<span class="token punctuation">.</span>state<span class="token punctuation">.</span>todos<span class="token punctuation">.</span><span class="token function">filter</span><span class="token punctuation">(</span>todo <span class="token operator">=</span><span class="token operator">&gt;</span> todo<span class="token punctuation">.</span>done<span class="token punctuation">)</span><span class="token punctuation">.</span>length
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre>
<p>&#x415;&#x441;&#x43B;&#x438; &#x44D;&#x442;&#x430; &#x444;&#x443;&#x43D;&#x43A;&#x446;&#x438;&#x43E;&#x43D;&#x430;&#x43B;&#x44C;&#x43D;&#x43E;&#x441;&#x442;&#x44C; &#x442;&#x440;&#x435;&#x431;&#x443;&#x435;&#x442;&#x441;&#x44F; &#x431;&#x43E;&#x43B;&#x435;&#x435; &#x447;&#x435;&#x43C; &#x43E;&#x434;&#x43D;&#x43E;&#x43C;&#x443; &#x43A;&#x43E;&#x43C;&#x43F;&#x43E;&#x43D;&#x435;&#x43D;&#x442;&#x443;, &#x43F;&#x43E;&#x43D;&#x430;&#x434;&#x43E;&#x431;&#x438;&#x442;&#x441;&#x44F; &#x43B;&#x438;&#x431;&#x43E; &#x434;&#x443;&#x431;&#x43B;&#x438;&#x440;&#x43E;&#x432;&#x430;&#x442;&#x44C; &#x444;&#x443;&#x43D;&#x43A;&#x446;&#x438;&#x44E;, &#x43B;&#x438;&#x431;&#x43E; &#x432;&#x44B;&#x43D;&#x43E;&#x441;&#x438;&#x442;&#x44C; &#x435;&#x451; &#x432; &#x441;&#x43E;&#x432;&#x43C;&#x435;&#x441;&#x442;&#x43D;&#x43E; &#x438;&#x441;&#x43F;&#x43E;&#x43B;&#x44C;&#x437;&#x443;&#x435;&#x43C;&#x44B;&#x439; &#x445;&#x435;&#x43B;&#x43F;&#x435;&#x440; &#x438; &#x438;&#x43C;&#x43F;&#x43E;&#x440;&#x442;&#x438;&#x440;&#x43E;&#x432;&#x430;&#x442;&#x44C; &#x432; &#x43D;&#x435;&#x441;&#x43A;&#x43E;&#x43B;&#x44C;&#x43A;&#x438;&#x445; &#x43C;&#x435;&#x441;&#x442;&#x430;&#x445;. &#x41E;&#x431;&#x430; &#x44D;&#x442;&#x438; &#x43F;&#x43E;&#x434;&#x445;&#x43E;&#x434;&#x430; &#x434;&#x430;&#x43B;&#x435;&#x43A;&#x438; &#x43E;&#x442; &#x438;&#x434;&#x435;&#x430;&#x43B;&#x430;.</p>
<p>Vuex &#x43F;&#x43E;&#x437;&#x432;&#x43E;&#x43B;&#x44F;&#x435;&#x442; &#x43E;&#x43F;&#x440;&#x435;&#x434;&#x435;&#x43B;&#x44F;&#x442;&#x44C; &#x432; &#x445;&#x440;&#x430;&#x43D;&#x438;&#x43B;&#x438;&#x449;&#x435; &#xAB;&#x433;&#x435;&#x442;&#x442;&#x435;&#x440;&#x44B;&#xBB;. &#x412;&#x44B; &#x43C;&#x43E;&#x436;&#x435;&#x442;&#x435; &#x441;&#x447;&#x438;&#x442;&#x430;&#x442;&#x44C; &#x438;&#x445; &#x432;&#x44B;&#x447;&#x438;&#x441;&#x43B;&#x44F;&#x435;&#x43C;&#x44B;&#x43C;&#x438; &#x441;&#x432;&#x43E;&#x439;&#x441;&#x442;&#x432;&#x430;&#x43C;&#x438; &#x434;&#x43B;&#x44F; &#x445;&#x440;&#x430;&#x43D;&#x438;&#x43B;&#x438;&#x449;&#x430;. &#x41A;&#x430;&#x43A; &#x438; &#x432;&#x44B;&#x447;&#x438;&#x441;&#x43B;&#x44F;&#x435;&#x43C;&#x44B;&#x435; &#x441;&#x432;&#x43E;&#x439;&#x441;&#x442;&#x432;&#x430;, &#x440;&#x435;&#x437;&#x443;&#x43B;&#x44C;&#x442;&#x430;&#x442;&#x44B; &#x433;&#x435;&#x442;&#x442;&#x435;&#x440;&#x430; &#x43A;&#x44D;&#x448;&#x438;&#x440;&#x443;&#x44E;&#x442;&#x441;&#x44F;, &#x43E;&#x441;&#x43D;&#x43E;&#x432;&#x44B;&#x432;&#x430;&#x44F;&#x441;&#x44C; &#x43D;&#x430; &#x441;&#x432;&#x43E;&#x438;&#x445; &#x437;&#x430;&#x432;&#x438;&#x441;&#x438;&#x43C;&#x43E;&#x441;&#x442;&#x44F;&#x445; &#x438; &#x431;&#x443;&#x434;&#x443;&#x442; &#x43F;&#x435;&#x440;&#x435;&#x441;&#x447;&#x438;&#x442;&#x430;&#x43D;&#x44B; &#x442;&#x43E;&#x43B;&#x44C;&#x43A;&#x43E; &#x442;&#x43E;&#x433;&#x434;&#x430;, &#x43A;&#x43E;&#x433;&#x434;&#x430; &#x438;&#x437;&#x43C;&#x435;&#x43D;&#x438;&#x442;&#x441;&#x44F; &#x43E;&#x434;&#x43D;&#x430; &#x438;&#x437; &#x435;&#x433;&#x43E; &#x437;&#x430;&#x432;&#x438;&#x441;&#x438;&#x43C;&#x43E;&#x441;&#x442;&#x435;&#x439;.</p>
<p>&#x413;&#x435;&#x442;&#x442;&#x435;&#x440;&#x44B; &#x43F;&#x43E;&#x43B;&#x443;&#x447;&#x430;&#x44E;&#x442; &#x43F;&#x435;&#x440;&#x432;&#x44B;&#x43C; &#x430;&#x440;&#x433;&#x443;&#x43C;&#x435;&#x43D;&#x442;&#x43E;&#x43C; &#x441;&#x441;&#x44B;&#x43B;&#x43A;&#x443; &#x43D;&#x430; &#x441;&#x43E;&#x441;&#x442;&#x43E;&#x44F;&#x43D;&#x438;&#x435; &#x445;&#x440;&#x430;&#x43D;&#x438;&#x43B;&#x438;&#x449;&#x430;:</p>
<pre class="language-"><code class="lang-js"><span class="token keyword">const</span> store <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Vuex<span class="token punctuation">.</span>Store</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
  state<span class="token punctuation">:</span> <span class="token punctuation">{</span>
    todos<span class="token punctuation">:</span> <span class="token punctuation">[</span>
      <span class="token punctuation">{</span> id<span class="token punctuation">:</span> <span class="token number">1</span><span class="token punctuation">,</span> text<span class="token punctuation">:</span> <span class="token string">&apos;...&apos;</span><span class="token punctuation">,</span> done<span class="token punctuation">:</span> <span class="token boolean">true</span> <span class="token punctuation">}</span><span class="token punctuation">,</span>
      <span class="token punctuation">{</span> id<span class="token punctuation">:</span> <span class="token number">2</span><span class="token punctuation">,</span> text<span class="token punctuation">:</span> <span class="token string">&apos;...&apos;</span><span class="token punctuation">,</span> done<span class="token punctuation">:</span> <span class="token boolean">false</span> <span class="token punctuation">}</span>
    <span class="token punctuation">]</span>
  <span class="token punctuation">}</span><span class="token punctuation">,</span>
  getters<span class="token punctuation">:</span> <span class="token punctuation">{</span>
    doneTodos<span class="token punctuation">:</span> state <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
      <span class="token keyword">return</span> state<span class="token punctuation">.</span>todos<span class="token punctuation">.</span><span class="token function">filter</span><span class="token punctuation">(</span>todo <span class="token operator">=</span><span class="token operator">&gt;</span> todo<span class="token punctuation">.</span>done<span class="token punctuation">)</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>
</code></pre>
<p>&#x413;&#x435;&#x442;&#x442;&#x435;&#x440;&#x44B; &#x434;&#x43E;&#x441;&#x442;&#x443;&#x43F;&#x43D;&#x44B; &#x432; <code>store.getters</code>:</p>
<pre class="language-"><code class="lang-js">store<span class="token punctuation">.</span>getters<span class="token punctuation">.</span>doneTodos <span class="token comment" spellcheck="true">// -&gt; [{ id: 1, text: &apos;...&apos;, done: true }]</span>
</code></pre>
<p>&#x412;&#x442;&#x43E;&#x440;&#x44B;&#x43C; &#x430;&#x440;&#x433;&#x443;&#x43C;&#x435;&#x43D;&#x442;&#x43E;&#x43C; &#x43F;&#x435;&#x440;&#x435;&#x434;&#x430;&#x451;&#x442;&#x441;&#x44F; &#x441;&#x43F;&#x438;&#x441;&#x43E;&#x43A; &#x432;&#x441;&#x435;&#x445; &#x433;&#x435;&#x442;&#x442;&#x435;&#x440;&#x43E;&#x432;:</p>
<pre class="language-"><code class="lang-js">getters<span class="token punctuation">:</span> <span class="token punctuation">{</span>
  <span class="token comment" spellcheck="true">// ...</span>
  doneTodosCount<span class="token punctuation">:</span> <span class="token punctuation">(</span>state<span class="token punctuation">,</span> getters<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
    <span class="token keyword">return</span> getters<span class="token punctuation">.</span>doneTodos<span class="token punctuation">.</span>length
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre>
<pre class="language-"><code class="lang-js">store<span class="token punctuation">.</span>getters<span class="token punctuation">.</span>doneTodosCount <span class="token comment" spellcheck="true">// -&gt; 1</span>
</code></pre>
<p>&#x412; &#x43A;&#x43E;&#x43C;&#x43F;&#x43E;&#x43D;&#x435;&#x43D;&#x442;&#x430;&#x445; &#x433;&#x435;&#x442;&#x442;&#x435;&#x440;&#x44B; &#x43C;&#x43E;&#x436;&#x43D;&#x43E; &#x438;&#x441;&#x43F;&#x43E;&#x43B;&#x44C;&#x437;&#x43E;&#x432;&#x430;&#x442;&#x44C;, &#x43D;&#x430;&#x43F;&#x440;&#x438;&#x43C;&#x435;&#x440;, &#x442;&#x430;&#x43A;&#x438;&#x43C; &#x43E;&#x431;&#x440;&#x430;&#x437;&#x43E;&#x43C;:</p>
<pre class="language-"><code class="lang-js">computed<span class="token punctuation">:</span> <span class="token punctuation">{</span>
  doneTodosCount <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>$store<span class="token punctuation">.</span>getters<span class="token punctuation">.</span>doneTodosCount
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre>
<p>&#x412;&#x44B; &#x442;&#x430;&#x43A;&#x436;&#x435; &#x43C;&#x43E;&#x436;&#x435;&#x442;&#x435; &#x43F;&#x435;&#x440;&#x435;&#x434;&#x430;&#x432;&#x430;&#x442;&#x44C; &#x430;&#x440;&#x433;&#x443;&#x43C;&#x435;&#x43D;&#x442;&#x44B; &#x433;&#x435;&#x442;&#x442;&#x435;&#x440;&#x430;&#x43C; &#x432;&#x43E;&#x437;&#x432;&#x440;&#x430;&#x449;&#x430;&#x44F; &#x444;&#x443;&#x43D;&#x43A;&#x446;&#x438;&#x44E;. &#x42D;&#x442;&#x43E; &#x43E;&#x441;&#x43E;&#x431;&#x435;&#x43D;&#x43D;&#x43E; &#x43F;&#x43E;&#x43B;&#x435;&#x437;&#x43D;&#x43E;, &#x435;&#x441;&#x43B;&#x438; &#x432;&#x44B; &#x445;&#x43E;&#x442;&#x438;&#x442;&#x435; &#x432;&#x435;&#x440;&#x43D;&#x443;&#x442;&#x44C; &#x44D;&#x43B;&#x435;&#x43C;&#x435;&#x43D;&#x442; (&#x438;&#x43B;&#x438; &#x447;&#x430;&#x441;&#x442;&#x44C; &#x44D;&#x43B;&#x435;&#x43C;&#x435;&#x43D;&#x442;&#x43E;&#x432;) &#x43C;&#x430;&#x441;&#x441;&#x438;&#x432;&#x430; &#x43F;&#x43E; &#x43F;&#x435;&#x440;&#x435;&#x434;&#x430;&#x43D;&#x43D;&#x43E;&#x43C;&#x443; &#x43A;&#x440;&#x438;&#x442;&#x435;&#x440;&#x438;&#x44E;:</p>
<pre class="language-"><code class="lang-js">getters<span class="token punctuation">:</span> <span class="token punctuation">{</span>
  <span class="token comment" spellcheck="true">// ...</span>
  getTodoById<span class="token punctuation">:</span> <span class="token punctuation">(</span>state<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">(</span>id<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
    <span class="token keyword">return</span> state<span class="token punctuation">.</span>todos<span class="token punctuation">.</span><span class="token function">find</span><span class="token punctuation">(</span>todo <span class="token operator">=</span><span class="token operator">&gt;</span> todo<span class="token punctuation">.</span>id <span class="token operator">===</span> id<span class="token punctuation">)</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre>
<pre class="language-"><code class="lang-js">store<span class="token punctuation">.</span>getters<span class="token punctuation">.</span><span class="token function">getTodoById</span><span class="token punctuation">(</span><span class="token number">2</span><span class="token punctuation">)</span> <span class="token comment" spellcheck="true">// -&gt; { id: 2, text: &apos;...&apos;, done: false }</span>
</code></pre>
<h3 id="&#x432;&#x441;&#x43F;&#x43E;&#x43C;&#x43E;&#x433;&#x430;&#x442;&#x435;&#x43B;&#x44C;&#x43D;&#x430;&#x44F;-&#x444;&#x443;&#x43D;&#x43A;&#x446;&#x438;&#x44F;-mapgetters">&#x412;&#x441;&#x43F;&#x43E;&#x43C;&#x43E;&#x433;&#x430;&#x442;&#x435;&#x43B;&#x44C;&#x43D;&#x430;&#x44F; &#x444;&#x443;&#x43D;&#x43A;&#x446;&#x438;&#x44F; <code>mapGetters</code></h3>
<p>&#x425;&#x435;&#x43B;&#x43F;&#x435;&#x440; <code>mapGetters</code> &#x43F;&#x43E;&#x43F;&#x440;&#x43E;&#x441;&#x442;&#x443; &#x43F;&#x440;&#x43E;&#x43A;&#x441;&#x438;&#x440;&#x443;&#x435;&#x442; &#x433;&#x435;&#x442;&#x442;&#x435;&#x440;&#x44B; &#x445;&#x440;&#x430;&#x43D;&#x438;&#x43B;&#x438;&#x449;&#x430; &#x447;&#x435;&#x440;&#x435;&#x437; &#x43B;&#x43E;&#x43A;&#x430;&#x43B;&#x44C;&#x43D;&#x44B;&#x435; &#x432;&#x44B;&#x447;&#x438;&#x441;&#x43B;&#x44F;&#x435;&#x43C;&#x44B;&#x435; &#x441;&#x432;&#x43E;&#x439;&#x441;&#x442;&#x432;&#x430; &#x43A;&#x43E;&#x43C;&#x43F;&#x43E;&#x43D;&#x435;&#x43D;&#x442;&#x430;:</p>
<pre class="language-"><code class="lang-js"><span class="token keyword">import</span> <span class="token punctuation">{</span> mapGetters <span class="token punctuation">}</span> <span class="token keyword">from</span> <span class="token string">&apos;vuex&apos;</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token punctuation">{</span>
  <span class="token comment" spellcheck="true">// ...</span>
  computed<span class="token punctuation">:</span> <span class="token punctuation">{</span>
    <span class="token comment" spellcheck="true">// &#x43F;&#x440;&#x438;&#x43C;&#x435;&#x448;&#x438;&#x432;&#x430;&#x435;&#x43C; &#x433;&#x435;&#x442;&#x442;&#x435;&#x440;&#x44B; &#x432; &#x432;&#x44B;&#x447;&#x438;&#x441;&#x43B;&#x44F;&#x435;&#x43C;&#x44B;&#x435; &#x441;&#x432;&#x43E;&#x439;&#x441;&#x442;&#x432;&#x430; &#x43E;&#x43F;&#x435;&#x440;&#x430;&#x442;&#x43E;&#x440;&#x43E;&#x43C; &#x440;&#x430;&#x441;&#x448;&#x438;&#x440;&#x435;&#x43D;&#x438;&#x44F;</span>
    <span class="token operator">...</span><span class="token function">mapGetters</span><span class="token punctuation">(</span><span class="token punctuation">[</span>
      <span class="token string">&apos;doneTodosCount&apos;</span><span class="token punctuation">,</span>
      <span class="token string">&apos;anotherGetter&apos;</span><span class="token punctuation">,</span>
      <span class="token comment" spellcheck="true">// ...</span>
    <span class="token punctuation">]</span><span class="token punctuation">)</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre>
<p>&#x415;&#x441;&#x43B;&#x438; &#x432;&#x44B; &#x445;&#x43E;&#x442;&#x438;&#x442;&#x435; &#x438;&#x441;&#x43F;&#x43E;&#x43B;&#x44C;&#x437;&#x43E;&#x432;&#x430;&#x442;&#x44C; &#x43F;&#x440;&#x438; &#x43F;&#x440;&#x43E;&#x43A;&#x441;&#x438;&#x440;&#x43E;&#x432;&#x430;&#x43D;&#x438;&#x438; &#x434;&#x440;&#x443;&#x433;&#x43E;&#x435; &#x438;&#x43C;&#x44F;, &#x43F;&#x440;&#x438;&#x43C;&#x435;&#x43D;&#x438;&#x442;&#x435; &#x43E;&#x431;&#x44A;&#x435;&#x43A;&#x442;&#x43D;&#x44B;&#x439; &#x441;&#x438;&#x43D;&#x442;&#x430;&#x43A;&#x441;&#x438;&#x441;:</p>
<pre class="language-"><code class="lang-js"><span class="token operator">...</span><span class="token function">mapGetters</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
  <span class="token comment" spellcheck="true">// &#x43F;&#x440;&#x43E;&#x43A;&#x441;&#x438;&#x440;&#x443;&#x435;&#x43C; `this.doneCount` &#x432; `store.getters.doneTodosCount`</span>
  doneCount<span class="token punctuation">:</span> <span class="token string">&apos;doneTodosCount&apos;</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>
</code></pre>

                                
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