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                                <h1 id="&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;">&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;</h1>
<p>&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x306F;&#x30DF;&#x30E5;&#x30FC;&#x30C6;&#x30FC;&#x30B7;&#x30E7;&#x30F3;&#x3068;&#x4F3C;&#x3066;&#x3044;&#x307E;&#x3059;&#x304C;&#x3001;&#x4E0B;&#x8A18;&#x306E;&#x70B9;&#x3067;&#x7570;&#x306A;&#x308A;&#x307E;&#x3059;:</p>
<ul>
<li>&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x306F;&#x3001;&#x72B6;&#x614B;&#x3092;&#x5909;&#x66F4;&#x3059;&#x308B;&#x306E;&#x3067;&#x306F;&#x306A;&#x304F;&#x3001;&#x30DF;&#x30E5;&#x30FC;&#x30C6;&#x30FC;&#x30B7;&#x30E7;&#x30F3;&#x3092;&#x30B3;&#x30DF;&#x30C3;&#x30C8;&#x3057;&#x307E;&#x3059;&#x3002;</li>
<li>&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x306F;&#x4EFB;&#x610F;&#x306E;&#x975E;&#x540C;&#x671F;&#x51E6;&#x7406;&#x3092;&#x542B;&#x3080;&#x3053;&#x3068;&#x304C;&#x3067;&#x304D;&#x307E;&#x3059;&#x3002;</li>
</ul>
<p>&#x30B7;&#x30F3;&#x30D7;&#x30EB;&#x306A;&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x3092;&#x767B;&#x9332;&#x3057;&#x3066;&#x307F;&#x307E;&#x3057;&#x3087;&#x3046;:</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>
    count<span class="token punctuation">:</span> <span class="token number">0</span>
  <span class="token punctuation">}</span><span class="token punctuation">,</span>
  mutations<span class="token punctuation">:</span> <span class="token punctuation">{</span>
    increment <span class="token punctuation">(</span>state<span class="token punctuation">)</span> <span class="token punctuation">{</span>
      state<span class="token punctuation">.</span>count<span class="token operator">++</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span><span class="token punctuation">,</span>
  actions<span class="token punctuation">:</span> <span class="token punctuation">{</span>
    increment <span class="token punctuation">(</span>context<span class="token punctuation">)</span> <span class="token punctuation">{</span>
      context<span class="token punctuation">.</span><span class="token function">commit</span><span class="token punctuation">(</span><span class="token string">&apos;increment&apos;</span><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>&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x30CF;&#x30F3;&#x30C9;&#x30E9;&#x306F;&#x30B9;&#x30C8;&#x30A2;&#x30A4;&#x30F3;&#x30B9;&#x30BF;&#x30F3;&#x30B9;&#x306E;&#x30E1;&#x30BD;&#x30C3;&#x30C9;&#x3084;&#x30D7;&#x30ED;&#x30D1;&#x30C6;&#x30A3;&#x306E;&#x30BB;&#x30C3;&#x30C8;&#x3068;&#x540C;&#x3058;&#x3082;&#x306E;&#x3092;&#x547C;&#x3073;&#x51FA;&#x305B;&#x308B;&#x30B3;&#x30F3;&#x30C6;&#x30AD;&#x30B9;&#x30C8;&#x30AA;&#x30D6;&#x30B8;&#x30A7;&#x30AF;&#x30C8;&#x3092;&#x53D7;&#x3051;&#x53D6;&#x308A;&#x307E;&#x3059;&#x3002;&#x3057;&#x305F;&#x304C;&#x3063;&#x3066; <code>context.commit</code> &#x3092;&#x547C;&#x3073;&#x51FA;&#x3059;&#x3053;&#x3068;&#x3067;&#x30DF;&#x30E5;&#x30FC;&#x30C6;&#x30FC;&#x30B7;&#x30E7;&#x30F3;&#x3092;&#x30B3;&#x30DF;&#x30C3;&#x30C8;&#x3067;&#x304D;&#x307E;&#x3059;&#x3002;&#x3042;&#x308B;&#x3044;&#x306F; <code>context.state</code> &#x3084; <code>context.getters</code> &#x3067;&#x3001;&#x72B6;&#x614B;&#x3084;&#x30B2;&#x30C3;&#x30BF;&#x30FC;&#x306B;&#x30A2;&#x30AF;&#x30BB;&#x30B9;&#x3067;&#x304D;&#x307E;&#x3059;&#x3002;&#x306A;&#x305C;&#x30B3;&#x30F3;&#x30C6;&#x30AD;&#x30B9;&#x30C8;&#x30AA;&#x30D6;&#x30B8;&#x30A7;&#x30AF;&#x30C8;&#x304C;&#x30B9;&#x30C8;&#x30A2;&#x30A4;&#x30F3;&#x30B9;&#x30BF;&#x30F3;&#x30B9;&#x305D;&#x306E;&#x3082;&#x306E;&#x3067;&#x306F;&#x306A;&#x3044;&#x306E;&#x304B;&#x306F;&#x3001;&#x5F8C;&#x307B;&#x3069;<a href="modules.html">&#x30E2;&#x30B8;&#x30E5;&#x30FC;&#x30EB;</a>&#x3067;&#x8AAC;&#x660E;&#x3057;&#x307E;&#x3059;&#x3002;</p>
<p>&#x5B9F;&#x969B;&#x306B;&#x306F;&#x30B3;&#x30FC;&#x30C9;&#x3092;&#x5C11;&#x3057;&#x30B7;&#x30F3;&#x30D7;&#x30EB;&#x306B;&#x3059;&#x308B;&#x305F;&#x3081;&#x306B; ES2015 &#x306E;<a href="https://github.com/lukehoban/es6features#destructuring" target="_blank">&#x5F15;&#x6570;&#x5206;&#x5272;&#x675F;&#x7E1B;&#xFF08;argument destructuring&#xFF09;</a>&#x304C;&#x3088;&#x304F;&#x4F7F;&#x308F;&#x308C;&#x307E;&#x3059;&#xFF08;&#x7279;&#x306B; <code>commit</code> &#x3092;&#x8907;&#x6570;&#x56DE;&#x547C;&#x3073;&#x51FA;&#x3059;&#x5FC5;&#x8981;&#x304C;&#x3042;&#x308B;&#x3068;&#x304D;&#xFF09;:</p>
<pre class="language-"><code class="lang-js">actions<span class="token punctuation">:</span> <span class="token punctuation">{</span>
  increment <span class="token punctuation">(</span><span class="token punctuation">{</span> commit <span class="token punctuation">}</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token function">commit</span><span class="token punctuation">(</span><span class="token string">&apos;increment&apos;</span><span class="token punctuation">)</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre>
<h3 id="&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x306E;&#x30C7;&#x30A3;&#x30B9;&#x30D1;&#x30C3;&#x30C1;">&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x306E;&#x30C7;&#x30A3;&#x30B9;&#x30D1;&#x30C3;&#x30C1;</h3>
<p>&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x306F; <code>store.dispatch</code> &#x304C;&#x30C8;&#x30EA;&#x30AC;&#x30FC;&#x3068;&#x306A;&#x3063;&#x3066;&#x5B9F;&#x884C;&#x3055;&#x308C;&#x307E;&#x3059;:</p>
<pre class="language-"><code class="lang-js">store<span class="token punctuation">.</span><span class="token function">dispatch</span><span class="token punctuation">(</span><span class="token string">&apos;increment&apos;</span><span class="token punctuation">)</span>
</code></pre>
<p>&#x3053;&#x308C;&#x306F;&#x4E00;&#x898B;&#x3070;&#x304B;&#x3052;&#x3066;&#x898B;&#x3048;&#x308B;&#x304B;&#x3082;&#x3057;&#x308C;&#x307E;&#x305B;&#x3093;&#x3002;&#x3064;&#x307E;&#x308A;&#x3001;&#x30AB;&#x30A6;&#x30F3;&#x30C8;&#x3092;&#x30A4;&#x30F3;&#x30AF;&#x30EA;&#x30E1;&#x30F3;&#x30C8;&#x3057;&#x305F;&#x3044;&#x3068;&#x304D;&#x306B;&#x3001;&#x3069;&#x3046;&#x3057;&#x3066;&#x76F4;&#x63A5; <code>store.commit(&apos;increment&apos;)</code> &#x3092;&#x547C;&#x3073;&#x51FA;&#x3057;&#x3066;&#x30DF;&#x30E5;&#x30FC;&#x30C6;&#x30FC;&#x30B7;&#x30E7;&#x30F3;&#x3092;&#x30B3;&#x30DF;&#x30C3;&#x30C8;&#x3057;&#x306A;&#x3044;&#x306E;&#x304B;&#x3001;&#x3068;&#x3002;<strong>&#x30DF;&#x30E5;&#x30FC;&#x30C6;&#x30FC;&#x30B7;&#x30E7;&#x30F3;&#x306F;&#x540C;&#x671F;&#x7684;&#x3067;&#x306A;&#x3051;&#x308C;&#x3070;&#x306A;&#x3089;&#x306A;&#x3044;</strong>&#x3068;&#x3044;&#x3046;&#x306E;&#x3092;&#x899A;&#x3048;&#x3066;&#x3044;&#x307E;&#x3059;&#x304B;&#xFF1F;&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x306F;&#x305D;&#x3046;&#x3067;&#x306F;&#x3042;&#x308A;&#x307E;&#x305B;&#x3093;&#x3002;&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x306E;&#x4E2D;&#x3067;&#x306F;<strong>&#x975E;&#x540C;&#x671F;</strong>&#x306E;&#x64CD;&#x4F5C;&#x3092;&#x884C;&#x3046;&#x3053;&#x3068;&#x304C;&#x3067;&#x304D;&#x307E;&#x3059;&#x3002;</p>
<pre class="language-"><code class="lang-js">actions<span class="token punctuation">:</span> <span class="token punctuation">{</span>
  incrementAsync <span class="token punctuation">(</span><span class="token punctuation">{</span> commit <span class="token punctuation">}</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token function">setTimeout</span><span class="token punctuation">(</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
      <span class="token function">commit</span><span class="token punctuation">(</span><span class="token string">&apos;increment&apos;</span><span class="token punctuation">)</span>
    <span class="token punctuation">}</span><span class="token punctuation">,</span> <span class="token number">1000</span><span class="token punctuation">)</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre>
<p>&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x306F;&#x30DA;&#x30A4;&#x30ED;&#x30FC;&#x30C9;&#x5F62;&#x5F0F;&#x3068;&#x30AA;&#x30D6;&#x30B8;&#x30A7;&#x30AF;&#x30C8;&#x30B9;&#x30BF;&#x30A4;&#x30EB;&#x306E;&#x30C7;&#x30A3;&#x30B9;&#x30D1;&#x30C3;&#x30C1;&#x3092;&#x30B5;&#x30DD;&#x30FC;&#x30C8;&#x3057;&#x307E;&#x3059;:</p>
<pre class="language-"><code class="lang-js"><span class="token comment" spellcheck="true">// &#x30DA;&#x30A4;&#x30ED;&#x30FC;&#x30C9;&#x3092;&#x4F7F;&#x3063;&#x3066;&#x30C7;&#x30A3;&#x30B9;&#x30D1;&#x30C3;&#x30C1;&#x3059;&#x308B;</span>
store<span class="token punctuation">.</span><span class="token function">dispatch</span><span class="token punctuation">(</span><span class="token string">&apos;incrementAsync&apos;</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>
  amount<span class="token punctuation">:</span> <span class="token number">10</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>

<span class="token comment" spellcheck="true">// &#x30AA;&#x30D6;&#x30B8;&#x30A7;&#x30AF;&#x30C8;&#x3092;&#x4F7F;&#x3063;&#x3066;&#x30C7;&#x30A3;&#x30B9;&#x30D1;&#x30C3;&#x30C1;&#x3059;&#x308B;</span>
store<span class="token punctuation">.</span><span class="token function">dispatch</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
  type<span class="token punctuation">:</span> <span class="token string">&apos;incrementAsync&apos;</span><span class="token punctuation">,</span>
  amount<span class="token punctuation">:</span> <span class="token number">10</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>
</code></pre>
<p>&#x3088;&#x308A;&#x5B9F;&#x8DF5;&#x7684;&#x306A;&#x4F8B;&#x3068;&#x3057;&#x3066;&#x3001;&#x30B7;&#x30E7;&#x30C3;&#x30D4;&#x30F3;&#x30B0;&#x30AB;&#x30FC;&#x30C8;&#x3092;&#x30C1;&#x30A7;&#x30C3;&#x30AF;&#x30A2;&#x30A6;&#x30C8;&#x3059;&#x308B;&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x3092;&#x6319;&#x3052;&#x307E;&#x3059;&#x3002;&#x3053;&#x306E;&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x306F;<strong>&#x975E;&#x540C;&#x671F;&#x306A; API &#x306E;&#x547C;&#x3073;&#x51FA;&#x3057;</strong>&#x3068;&#x3001;<strong>&#x8907;&#x6570;&#x306E;&#x30DF;&#x30E5;&#x30FC;&#x30C6;&#x30FC;&#x30B7;&#x30E7;&#x30F3;&#x306E;&#x30B3;&#x30DF;&#x30C3;&#x30C8;</strong>&#x3092;&#x3057;&#x307E;&#x3059;:</p>
<pre class="language-"><code class="lang-js">actions<span class="token punctuation">:</span> <span class="token punctuation">{</span>
  checkout <span class="token punctuation">(</span><span class="token punctuation">{</span> commit<span class="token punctuation">,</span> state <span class="token punctuation">}</span><span class="token punctuation">,</span> products<span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token comment" spellcheck="true">// &#x73FE;&#x5728;&#x306E;&#x30AB;&#x30FC;&#x30C8;&#x5185;&#x306E;&#x5546;&#x54C1;&#x3092;&#x4FDD;&#x5B58;&#x3059;&#x308B;</span>
    <span class="token keyword">const</span> savedCartItems <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token operator">...</span>state<span class="token punctuation">.</span>cart<span class="token punctuation">.</span>added<span class="token punctuation">]</span>
    <span class="token comment" spellcheck="true">// &#x30C1;&#x30A7;&#x30C3;&#x30AF;&#x30A2;&#x30A6;&#x30C8;&#x306E;&#x30EA;&#x30AF;&#x30A8;&#x30B9;&#x30C8;&#x3092;&#x9001;&#x4FE1;&#x3057;&#x3001;&#x697D;&#x89B3;&#x7684;&#x306B;&#x30AB;&#x30FC;&#x30C8;&#x5185;&#x3092;&#x30AF;&#x30EA;&#x30A2;&#x3059;&#x308B;</span>
    <span class="token function">commit</span><span class="token punctuation">(</span>types<span class="token punctuation">.</span>CHECKOUT_REQUEST<span class="token punctuation">)</span>
    <span class="token comment" spellcheck="true">// shop API &#x306F;&#x6210;&#x529F;&#x6642;&#x306E;&#x30B3;&#x30FC;&#x30EB;&#x30D0;&#x30C3;&#x30AF;&#x3068;&#x5931;&#x6557;&#x6642;&#x306E;&#x30B3;&#x30FC;&#x30EB;&#x30D0;&#x30C3;&#x30AF;&#x3092;&#x53D7;&#x3051;&#x53D6;&#x308B;</span>
    shop<span class="token punctuation">.</span><span class="token function">buyProducts</span><span class="token punctuation">(</span>
      products<span class="token punctuation">,</span>
      <span class="token comment" spellcheck="true">// &#x6210;&#x529F;&#x6642;&#x306E;&#x51E6;&#x7406;</span>
      <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token function">commit</span><span class="token punctuation">(</span>types<span class="token punctuation">.</span>CHECKOUT_SUCCESS<span class="token punctuation">)</span><span class="token punctuation">,</span>
      <span class="token comment" spellcheck="true">// &#x5931;&#x6557;&#x6642;&#x306E;&#x51E6;&#x7406;</span>
      <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token function">commit</span><span class="token punctuation">(</span>types<span class="token punctuation">.</span>CHECKOUT_FAILURE<span class="token punctuation">,</span> savedCartItems<span class="token punctuation">)</span>
    <span class="token punctuation">)</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre>
<p>&#x4E00;&#x9023;&#x306E;&#x975E;&#x540C;&#x671F;&#x306E;&#x51E6;&#x7406;&#x3092;&#x5B9F;&#x884C;&#x3057;&#x3064;&#x3064;&#x3001;&#x30DF;&#x30E5;&#x30FC;&#x30C6;&#x30FC;&#x30B7;&#x30E7;&#x30F3;&#x306E;&#x30B3;&#x30DF;&#x30C3;&#x30C8;&#x306B;&#x3088;&#x3063;&#x3066;&#x306E;&#x307F;&#x526F;&#x4F5C;&#x7528;&#xFF08;&#x72B6;&#x614B;&#x306E;&#x5909;&#x66F4;&#xFF09;&#x3092;&#x4E0E;&#x3048;&#x3066;&#x3044;&#x308B;&#x3053;&#x3068;&#x306B;&#x6CE8;&#x610F;&#x3057;&#x3066;&#x304F;&#x3060;&#x3055;&#x3044;&#x3002;</p>
<h3 id="&#x30B3;&#x30F3;&#x30DD;&#x30FC;&#x30CD;&#x30F3;&#x30C8;&#x5185;&#x3067;&#x306E;&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x306E;&#x30C7;&#x30A3;&#x30B9;&#x30D1;&#x30C3;&#x30C1;">&#x30B3;&#x30F3;&#x30DD;&#x30FC;&#x30CD;&#x30F3;&#x30C8;&#x5185;&#x3067;&#x306E;&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x306E;&#x30C7;&#x30A3;&#x30B9;&#x30D1;&#x30C3;&#x30C1;</h3>
<p><code>this.$store.dispatch(&apos;xxx&apos;)</code> &#x3067;&#x30B3;&#x30F3;&#x30DD;&#x30FC;&#x30CD;&#x30F3;&#x30C8;&#x5185;&#x3067;&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x3092;&#x30C7;&#x30A3;&#x30B9;&#x30D1;&#x30C3;&#x30C1;&#x3067;&#x304D;&#x307E;&#x3059;&#x3002;&#x3042;&#x308B;&#x3044;&#x306F;&#x30B3;&#x30F3;&#x30DD;&#x30FC;&#x30CD;&#x30F3;&#x30C8;&#x306E;&#x30E1;&#x30BD;&#x30C3;&#x30C9;&#x3092; <code>store.dispatch</code> &#x306B;&#x30DE;&#x30C3;&#x30D4;&#x30F3;&#x30B0;&#x3059;&#x308B; <code>mapActions</code> &#x30D8;&#x30EB;&#x30D1;&#x30FC;&#x3092;&#x4F7F;&#x3046;&#x3053;&#x3068;&#x3082;&#x3067;&#x304D;&#x307E;&#x3059;&#xFF08;&#x30EB;&#x30FC;&#x30C8;&#x306E; <code>store</code> &#x306E;&#x6CE8;&#x5165;&#x304C;&#x5FC5;&#x8981;&#x3067;&#x3059;&#xFF09;:</p>
<pre class="language-"><code class="lang-js"><span class="token keyword">import</span> <span class="token punctuation">{</span> mapActions <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>
  methods<span class="token punctuation">:</span> <span class="token punctuation">{</span>
    <span class="token operator">...</span><span class="token function">mapActions</span><span class="token punctuation">(</span><span class="token punctuation">[</span>
      <span class="token string">&apos;increment&apos;</span><span class="token punctuation">,</span> <span class="token comment" spellcheck="true">// `this.increment()` &#x3092; `this.$store.dispatch(&apos;increment&apos;)` &#x306B;&#x30DE;&#x30C3;&#x30D4;&#x30F3;&#x30B0;&#x3059;&#x308B;</span>
      <span class="token comment" spellcheck="true">// `mapActions` &#x3082;&#x30DA;&#x30A4;&#x30ED;&#x30FC;&#x30C9;&#x3092;&#x30B5;&#x30DD;&#x30FC;&#x30C8;&#x3059;&#x308B;:</span>
      <span class="token string">&apos;incrementBy&apos;</span> <span class="token comment" spellcheck="true">// `this.incrementBy(amount)` &#x3092; `this.$store.dispatch(&apos;incrementBy&apos;, amount)` &#x306B;&#x30DE;&#x30C3;&#x30D4;&#x30F3;&#x30B0;&#x3059;&#x308B;</span>
    <span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
    <span class="token operator">...</span><span class="token function">mapActions</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
      add<span class="token punctuation">:</span> <span class="token string">&apos;increment&apos;</span> <span class="token comment" spellcheck="true">// `this.add()` &#x3092; `this.$store.dispatch(&apos;increment&apos;)` &#x306B;&#x30DE;&#x30C3;&#x30D4;&#x30F3;&#x30B0;&#x3059;&#x308B;</span>
    <span class="token punctuation">}</span><span class="token punctuation">)</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre>
<h3 id="&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x3092;&#x69CB;&#x6210;&#x3059;&#x308B;">&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x3092;&#x69CB;&#x6210;&#x3059;&#x308B;</h3>
<p>&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x306F;&#x3057;&#x3070;&#x3057;&#x3070;&#x975E;&#x540C;&#x671F;&#x51E6;&#x7406;&#x3092;&#x884C;&#x3044;&#x307E;&#x3059;&#x304C;&#x3001;&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x304C;&#x5B8C;&#x4E86;&#x3057;&#x305F;&#x3053;&#x3068;&#x3092;&#x3069;&#x3046;&#x3084;&#x3063;&#x3066;&#x77E5;&#x308C;&#x3070;&#x826F;&#x3044;&#x306E;&#x3067;&#x3057;&#x3087;&#x3046;&#xFF1F;&#x305D;&#x3057;&#x3066;&#x3082;&#x3063;&#x3068;&#x91CD;&#x8981;&#x306A;&#x3053;&#x3068;&#x306F;&#x3001;&#x3055;&#x3089;&#x306B;&#x8907;&#x96D1;&#x306A;&#x975E;&#x540C;&#x671F;&#x51E6;&#x7406;&#x3092;&#x53D6;&#x308A;&#x6271;&#x3046;&#x305F;&#x3081;&#x306B;&#x3001;&#x3069;&#x3046;&#x3084;&#x3063;&#x3066;&#x8907;&#x6570;&#x306E;&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x3092;&#x69CB;&#x6210;&#x3055;&#x305B;&#x308B;&#x304B;&#x3068;&#x3044;&#x3046;&#x3053;&#x3068;&#x3067;&#x3059;&#x3002;</p>
<p>&#x307E;&#x305A;&#x77E5;&#x3063;&#x3066;&#x304A;&#x304F;&#x3079;&#x304D;&#x3053;&#x3068;&#x306F; <code>store.dispatch</code> &#x304C;&#x30C8;&#x30EA;&#x30AC;&#x30FC;&#x3055;&#x308C;&#x305F;&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x30CF;&#x30F3;&#x30C9;&#x30E9;&#x306B;&#x3088;&#x3063;&#x3066;&#x8FD4;&#x3055;&#x308C;&#x305F; Promise &#x3092;&#x51E6;&#x7406;&#x3067;&#x304D;&#x308B;&#x3053;&#x3068;&#x3068;&#x3001;<code>store.dispatch</code> &#x3082;&#x307E;&#x305F; Promise &#x3092;&#x8FD4;&#x3059;&#x3053;&#x3068;&#x3067;&#x3059;&#x3002;</p>
<pre class="language-"><code class="lang-js">actions<span class="token punctuation">:</span> <span class="token punctuation">{</span>
  actionA <span class="token punctuation">(</span><span class="token punctuation">{</span> commit <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">new</span> <span class="token class-name">Promise</span><span class="token punctuation">(</span><span class="token punctuation">(</span>resolve<span class="token punctuation">,</span> reject<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
      <span class="token function">setTimeout</span><span class="token punctuation">(</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
        <span class="token function">commit</span><span class="token punctuation">(</span><span class="token string">&apos;someMutation&apos;</span><span class="token punctuation">)</span>
        <span class="token function">resolve</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
      <span class="token punctuation">}</span><span class="token punctuation">,</span> <span class="token number">1000</span><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>&#x3059;&#x308B;&#x3068;&#x6B21;&#x306E;&#x3088;&#x3046;&#x306B;&#x3067;&#x304D;&#x307E;&#x3059;:</p>
<pre class="language-"><code class="lang-js">store<span class="token punctuation">.</span><span class="token function">dispatch</span><span class="token punctuation">(</span><span class="token string">&apos;actionA&apos;</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">then</span><span class="token punctuation">(</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
  <span class="token comment" spellcheck="true">// ...</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>
</code></pre>
<p>&#x307E;&#x305F;&#x5225;&#x306E;&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x3067;&#x4E0B;&#x8A18;&#x306E;&#x3088;&#x3046;&#x306B;&#x66F8;&#x304F;&#x3068;:</p>
<pre class="language-"><code class="lang-js">actions<span class="token punctuation">:</span> <span class="token punctuation">{</span>
  <span class="token comment" spellcheck="true">// ...</span>
  actionB <span class="token punctuation">(</span><span class="token punctuation">{</span> dispatch<span class="token punctuation">,</span> commit <span class="token punctuation">}</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">return</span> <span class="token function">dispatch</span><span class="token punctuation">(</span><span class="token string">&apos;actionA&apos;</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">then</span><span class="token punctuation">(</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
      <span class="token function">commit</span><span class="token punctuation">(</span><span class="token string">&apos;someOtherMutation&apos;</span><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>&#x6700;&#x7D42;&#x7684;&#x306B; <a href="https://tc39.github.io/ecmascript-asyncawait/" target="_blank">async / await</a> &#x3092;&#x4F7F;&#x7528;&#x3059;&#x308B;&#x3053;&#x3068;&#x3067;&#x3001;&#x6B21;&#x306E;&#x3088;&#x3046;&#x306B;&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x3092;&#x7D44;&#x307F;&#x5408;&#x308F;&#x305B;&#x308B;&#x3053;&#x3068;&#x304C;&#x3067;&#x304D;&#x307E;&#x3059;:</p>
<pre class="language-"><code class="lang-js"><span class="token comment" spellcheck="true">// `getData()` &#x3068; `getOtherData()` &#x304C; Promise &#x3092;&#x8FD4;&#x3059;&#x3053;&#x3068;&#x3092;&#x60F3;&#x5B9A;&#x3057;&#x3066;&#x3044;&#x308B;</span>

actions<span class="token punctuation">:</span> <span class="token punctuation">{</span>
  <span class="token keyword">async</span> actionA <span class="token punctuation">(</span><span class="token punctuation">{</span> commit <span class="token punctuation">}</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token function">commit</span><span class="token punctuation">(</span><span class="token string">&apos;gotData&apos;</span><span class="token punctuation">,</span> <span class="token keyword">await</span> <span class="token function">getData</span><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>
  <span class="token keyword">async</span> actionB <span class="token punctuation">(</span><span class="token punctuation">{</span> dispatch<span class="token punctuation">,</span> commit <span class="token punctuation">}</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">await</span> <span class="token function">dispatch</span><span class="token punctuation">(</span><span class="token string">&apos;actionA&apos;</span><span class="token punctuation">)</span> <span class="token comment" spellcheck="true">// `actionA` &#x304C;&#x5B8C;&#x4E86;&#x3059;&#x308B;&#x306E;&#x3092;&#x5F85;&#x6A5F;&#x3059;&#x308B;</span>
    <span class="token function">commit</span><span class="token punctuation">(</span><span class="token string">&apos;gotOtherData&apos;</span><span class="token punctuation">,</span> <span class="token keyword">await</span> <span class="token function">getOtherData</span><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>
<blockquote>
<p><code>store.dispatch</code> &#x3067;&#x7570;&#x306A;&#x308B;&#x30E2;&#x30B8;&#x30E5;&#x30FC;&#x30EB;&#x5185;&#x306E;&#x8907;&#x6570;&#x306E;&#x30A2;&#x30AF;&#x30B7;&#x30E7;&#x30F3;&#x30CF;&#x30F3;&#x30C9;&#x30E9;&#x3092;&#x30C8;&#x30EA;&#x30AC;&#x30FC;&#x3059;&#x308B;&#x3053;&#x3068;&#x304C;&#x3067;&#x304D;&#x307E;&#x3059;&#x3002;&#x305D;&#x306E;&#x3088;&#x3046;&#x306A;&#x30B1;&#x30FC;&#x30B9;&#x3067;&#x306F;&#x3001;&#x5168;&#x3066;&#x306E;&#x30C8;&#x30EA;&#x30AC;&#x30FC;&#x3055;&#x308C;&#x305F;&#x30CF;&#x30F3;&#x30C9;&#x30E9;&#x304C;&#x89E3;&#x6C7A;&#x3055;&#x308C;&#x305F;&#x3068;&#x304D;&#x306B;&#x89E3;&#x6C7A;&#x3059;&#x308B; Promise &#x304C;&#x623B;&#x308A;&#x5024;&#x3068;&#x3057;&#x3066;&#x8FD4;&#x3063;&#x3066;&#x304F;&#x308B;&#x3053;&#x3068;&#x306B;&#x306A;&#x308A;&#x307E;&#x3059;&#x3002;</p>
</blockquote>

                                
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