vuex-help
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a utilies library reduce boilerplate for vuex
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Vuex 入門
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厳格モード
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フォームの扱い
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テスト
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<h1>
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<a href="." >厳格モード</a>
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<h1 id="厳格モード">厳格モード</h1>
<p>厳格（strict）モードを有効にするには Vuex store を作成するときに、ただ <code>strict: true</code> を指定するだけです:</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>
<span class="token comment" spellcheck="true">// ...</span>
strict<span class="token punctuation">:</span> <span class="token boolean">true</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>
</code></pre>
<p>厳格モードでは Vuex の状態がミューテーションハンドラの外部で変更されたら、エラーを投げるようになります。これで全ての状態変更がデバッギングツールで明示的に追跡できることが保証されます。</p>
<h3 id="開発環境-vs-本番環境">開発環境 vs 本番環境</h3>
<p><strong>本番環境で厳格モードを有効にしてデプロイしてはいけません！</strong>厳格モードでは不適切なミューテーションを検出するためにステートツリーに対して深い監視を実行します。パフォーマンスコストを回避するために本番環境では無効にしてください。</p>
<p>プラグインと同様に、ビルドツールに処理させることができます:</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>
<span class="token comment" spellcheck="true">// ...</span>
strict<span class="token punctuation">:</span> process<span class="token punctuation">.</span>env<span class="token punctuation">.</span>NODE_ENV <span class="token operator">!==</span> <span class="token string">'production'</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>
</code></pre>
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