{"id":1163,"date":"2024-05-17T17:02:24","date_gmt":"2024-05-17T08:02:24","guid":{"rendered":"https:\/\/shinke1987.net\/?p=1163"},"modified":"2024-05-17T17:02:25","modified_gmt":"2024-05-17T08:02:25","slug":"react%ef%bc%9aerrorboundary%e3%82%b3%e3%83%b3%e3%83%9d%e3%83%bc%e3%83%8d%e3%83%b3%e3%83%88%e3%81%ae%e5%8b%95%e4%bd%9c%e7%a2%ba%e8%aa%8d","status":"publish","type":"post","link":"https:\/\/shinke1987.net\/?p=1163","title":{"rendered":"React\uff1aErrorBoundary\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u52d5\u4f5c\u78ba\u8a8d"},"content":{"rendered":"\n<h2 id=\"toc0\" class=\"wp-block-heading\">\u74b0\u5883<\/h2>\n\n\n\n<p>React\uff1av18.3.1<\/p>\n\n\n\n<h2 id=\"toc1\" class=\"wp-block-heading\">\u8cc7\u6599<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/github.com\/bvaughn\/react-error-boundary\" target=\"_blank\" rel=\"noreferrer noopener\">bvaughn\/react-error-boundary: Simple reusable React error boundary component<\/a><\/li>\n<\/ul>\n\n\n\n<h2 id=\"toc2\" class=\"wp-block-heading\">Tips<\/h2>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u30d1\u30bf\u30fc\u30f3\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>return\u6587\u306e\u524d\u306e\u51e6\u7406\u3067\u4f8b\u5916\u3092\u30b9\u30ed\u30fc\u3059\u308b\u3068ErrorBoundary\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u30ad\u30e3\u30c3\u30c1\u3059\u308b\u3002<\/li>\n\n\n\n<li>useErrorBoundary\u30d5\u30c3\u30af\u3067\u53d6\u5f97\u3057\u305f\u95a2\u6570\u3078Error\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u6e21\u3059\u3068\u3001ErrorBoundary\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u30ad\u30e3\u30c3\u30c1\u3059\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<h2 id=\"toc3\" class=\"wp-block-heading\">\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h2>\n\n\n\n<p>\u4e0b\u8a18\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u3001ErrorBoundary\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: bash; title: ; notranslate\" title=\"\">\n% npm install react-error-boundary\n<\/pre><\/div>\n\n\n<h2 id=\"toc4\" class=\"wp-block-heading\">\u30b3\u30fc\u30c9<\/h2>\n\n\n\n<h3 id=\"toc5\" class=\"wp-block-heading\">ErrorBoundaryParent.tsx\u306e\u5185\u5bb9<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\nimport { ErrorBoundary } from &#039;react-error-boundary&#039;;\nimport { MouseEventHandler, ReactNode } from &#039;react&#039;;\nimport ErrorBoundaryChild from &#039;.\/ErrorBoundaryChild.tsx&#039;;\nimport ErrorBoundaryChildFunc from &#039;.\/ErrorBoundaryChildFunc.tsx&#039;;\n\ntype handleFallbackProps = {\n  error: Error,\n  resetErrorBoundary: MouseEventHandler,\n}\n\nfunction ErrorBoundaryParent(): ReactNode {\n  const handleFallback = ({ error, resetErrorBoundary }: handleFallbackProps) =&gt; (\n    &lt;&gt;\n      &lt;div&gt;\n        \u4ee5\u4e0b\u306e\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002\n      &lt;\/div&gt;\n      &lt;p&gt;{error.message}&lt;\/p&gt;\n      &lt;button\n        type=&quot;button&quot;\n        onClick={resetErrorBoundary}\n      &gt;\n        Retry\n      &lt;\/button&gt;\n    &lt;\/&gt;\n  );\n\n  const handleReset = () =&gt; {\n    console.log(&#039;Retry\u30dc\u30bf\u30f3\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u307e\u3057\u305f&#039;);\n  };\n\n  return (\n    &lt;&gt;\n      &lt;div&gt;\n        ErrorBoundaryParent.tsx\n      &lt;\/div&gt;\n\n      &lt;hr \/&gt;\n      &lt;br \/&gt;\n      &lt;ErrorBoundary\n        fallback={&lt;div&gt;\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f&lt;\/div&gt;}\n        onError={(error) =&gt; console.log(&#039;ErrorBoundaryParent error = &#039;, error)}\n      &gt;\n        &lt;ErrorBoundaryChild \/&gt;\n      &lt;\/ErrorBoundary&gt;\n\n      &lt;hr \/&gt;\n      &lt;br \/&gt;\n      &lt;ErrorBoundary\n        onReset={handleReset}\n        fallbackRender={handleFallback}\n      &gt;\n        &lt;ErrorBoundaryChild \/&gt;\n      &lt;\/ErrorBoundary&gt;\n\n      &lt;hr \/&gt;\n      &lt;br \/&gt;\n      &lt;ErrorBoundary\n        fallback={&lt;div&gt;ErrorBoundaryChildFunc\u3067\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f&lt;\/div&gt;}\n        onError={(error) =&gt; console.log(&#039;ErrorBoundaryChildFunc error = &#039;, error)}\n      &gt;\n        &lt;ErrorBoundaryChildFunc \/&gt;\n      &lt;\/ErrorBoundary&gt;\n    &lt;\/&gt;\n  );\n}\n\nexport default ErrorBoundaryParent;\n<\/pre><\/div>\n\n\n<h3 id=\"toc6\" class=\"wp-block-heading\">ErrorBoundaryChild.tsx\u306e\u5185\u5bb9<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\nfunction ErrorBoundaryChild() {\n  throw new Error(&#039;ErrorBoundaryChild Error&#039;);\n\n  return (\n    &lt;div&gt;\n      ErrorBoundaryChild.tsx\n    &lt;\/div&gt;\n  );\n}\n\nexport default ErrorBoundaryChild;\n<\/pre><\/div>\n\n\n<h3 id=\"toc7\" class=\"wp-block-heading\">ErrorBoundaryChildFunc.tsx\u306e\u5185\u5bb9<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\nimport { useErrorBoundary } from &#039;react-error-boundary&#039;;\n\nfunction ErrorBoundaryChildFunc() {\n  const { showBoundary } = useErrorBoundary();\n  const handleBtnClick = () =&gt; {\n    try {\n      throw new Error(&#039;ErrorBoundaryChildFunc&#039;);\n    } catch (e) {\n      showBoundary(e);\n    }\n  };\n\n  return (\n    &lt;&gt;\n      &lt;div&gt;\n        ErrorBoundaryChildFunc.tsx\n      &lt;\/div&gt;\n      &lt;button\n        type=&quot;button&quot;\n        onClick={handleBtnClick}\n      &gt;\n        \u30a8\u30e9\u30fc\u767a\u751f\n      &lt;\/button&gt;\n    &lt;\/&gt;\n  );\n}\n\nexport default ErrorBoundaryChildFunc;\n<\/pre><\/div>\n\n\n<h3 id=\"toc8\" class=\"wp-block-heading\">\u7d50\u679c<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Retry\u30dc\u30bf\u30f3\u3092\u62bc\u4e0b\u3059\u308b\u3068\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u300cRetry\u30dc\u30bf\u30f3\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u307e\u3057\u305f\u300d\u3068\u8868\u793a\u3055\u308c\u308b\u3002<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u767a\u751f\u30dc\u30bf\u30f3\u3092\u62bc\u4e0b\u3059\u308b\u3068\u3001fallback\u306e\u5185\u5bb9\u304c\u8868\u793a\u3055\u308c\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u521d\u671f\u8868\u793a\u306f\u4e0b\u8a18\u753b\u50cf\u306e\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"959\" height=\"466\" src=\"https:\/\/shinke1987.net\/wp-content\/uploads\/2024\/05\/React_ErrorBoundary_Result.png\" alt=\"\" class=\"wp-image-1165\" srcset=\"https:\/\/shinke1987.net\/wp-content\/uploads\/2024\/05\/React_ErrorBoundary_Result.png 959w, https:\/\/shinke1987.net\/wp-content\/uploads\/2024\/05\/React_ErrorBoundary_Result-300x146.png 300w, https:\/\/shinke1987.net\/wp-content\/uploads\/2024\/05\/React_ErrorBoundary_Result-768x373.png 768w\" sizes=\"auto, (max-width: 959px) 100vw, 959px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u74b0\u5883 React\uff1av18.3.1 \u8cc7\u6599 Tips \u4ee5\u4e0b\u306e\u30d1\u30bf\u30fc\u30f3\u304c\u3042\u308b\u3002 \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb \u4e0b\u8a18\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u3001ErrorBoundary\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3002 \u30b3\u30fc\u30c9 ErrorBoundaryParent [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[104],"tags":[105],"class_list":["post-1163","post","type-post","status-publish","format-standard","hentry","category-react","tag-react"],"_links":{"self":[{"href":"https:\/\/shinke1987.net\/index.php?rest_route=\/wp\/v2\/posts\/1163","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/shinke1987.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/shinke1987.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/shinke1987.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shinke1987.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1163"}],"version-history":[{"count":3,"href":"https:\/\/shinke1987.net\/index.php?rest_route=\/wp\/v2\/posts\/1163\/revisions"}],"predecessor-version":[{"id":1167,"href":"https:\/\/shinke1987.net\/index.php?rest_route=\/wp\/v2\/posts\/1163\/revisions\/1167"}],"wp:attachment":[{"href":"https:\/\/shinke1987.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1163"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shinke1987.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1163"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shinke1987.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}