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/>\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"6\",children:[\"\t\t<\",(0,a.jsx)(e.span,{style:{color:\"var(--base0A)\"},children:\"Calculator\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"left\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"=\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"{\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base09)\"},children:\"1\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"}\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"operator\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"=\"}),'\"',(0,a.jsx)(e.span,{style:{color:\"var(--base0B)\"},children:\"*\"}),'\"',\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"right\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"=\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"{\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base09)\"},children:\"2\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"}\"}),\" />\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"7\",children:[\"\t\t<\",(0,a.jsx)(e.span,{style:{color:\"var(--base0A)\"},children:\"Calculator\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"left\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"=\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"{\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base09)\"},children:\"1\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"}\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"operator\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"=\"}),'\"',(0,a.jsx)(e.span,{style:{color:\"var(--base0B)\"},children:\"/\"}),'\"',\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"right\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"=\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"{\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base09)\"},children:\"2\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"}\"}),\" />\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"8\",children:[\"\t\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"9\",children:[\")\",`\n`]}),(0,a.jsx)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"10\",children:`\n`}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"11\",children:[(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"console\"}),\".\",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"log\"}),\"(\",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"element\"}),\")\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"12\",children:[(0,a.jsx)(e.span,{style:{color:\"var(--base03)\"},children:\"// logs something like:\"}),`\n`]}),(0,a.jsx)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"13\",children:`\n`}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"14\",children:[(0,a.jsx)(e.span,{style:{color:\"var(--base03)\"},children:\"// {\"}),`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"15\",children:[(0,a.jsx)(e.span,{style:{color:\"var(--base03)\"},children:\"// \ttype: 'div',\"}),`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"16\",children:[(0,a.jsx)(e.span,{style:{color:\"var(--base03)\"},children:\"// \tprops: {\"}),`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"17\",children:[(0,a.jsx)(e.span,{style:{color:\"var(--base03)\"},children:\"// \t\tchildren: [\"}),`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"18\",children:[(0,a.jsx)(e.span,{style:{color:\"var(--base03)\"},children:\"// \t\t\t{ type: 'h1', props: { children: 'Calculator' } },\"}),`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"19\",children:[(0,a.jsx)(e.span,{style:{color:\"var(--base03)\"},children:\"// \t\t\t{ type: Calculator, props: { left: 1, operator: '+', right: 2 } },\"}),`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"20\",children:[(0,a.jsx)(e.span,{style:{color:\"var(--base03)\"},children:\"// \t\t\t{ type: Calculator, props: { left: 1, operator: '-', right: 2 } },\"}),`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"21\",children:[(0,a.jsx)(e.span,{style:{color:\"var(--base03)\"},children:\"// \t\t\t{ type: Calculator, props: { left: 1, operator: '*', right: 2 } },\"}),`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"22\",children:[(0,a.jsx)(e.span,{style:{color:\"var(--base03)\"},children:\"// \t\t\t{ type: Calculator, props: { left: 1, operator: '/', right: 2 } },\"}),`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"23\",children:[(0,a.jsx)(e.span,{style:{color:\"var(--base03)\"},children:\"// \t\t],\"}),`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"24\",children:[(0,a.jsx)(e.span,{style:{color:\"var(--base03)\"},children:\"// \t},\"}),`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"25\",children:[(0,a.jsx)(e.span,{style:{color:\"var(--base03)\"},children:\"// }\"}),`\n`]})]})}),`\n`,(0,a.jsxs)(e.p,{children:[\"You'll notice that the \",(0,a.jsx)(e.code,{children:\"Calculator\"}),` is just referenced, but not actually called\nat this stage. So if we tried to wrap our JSX in a `,(0,a.jsx)(e.code,{children:\"try\"}),\"/\",(0,a.jsx)(e.code,{children:\"catch\"}),`, it would only\ncatch errors during the creation of those elements, but the real errors will\nhappen with React gets around to calling our component functions.`]}),`\n`,(0,a.jsxs)(e.p,{children:[\"So you could wrap all of the contents of your components in a \",(0,a.jsx)(e.code,{children:\"try\"}),\"/\",(0,a.jsx)(e.code,{children:\"catch\"}),`, but\nthat's super annoying boilerplate:`]}),`\n`,(0,a.jsx)(e.pre,{\"data-line-numbers\":\"true\",\"data-lang\":\"tsx\",style:{color:\"var(--base05)\",backgroundColor:\"var(--base00)\"},children:(0,a.jsxs)(e.code,{children:[(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"1\",children:[(0,a.jsx)(e.span,{style:{color:\"var(--base03)\"},children:\"// no, don't do this...\"}),`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"2\",children:[(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"function\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"Calculator\"}),\"({ \",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"left\"}),\", \",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"operator\"}),\", \",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"right\"}),\" }) {\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"3\",children:[\"\t\",(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"try\"}),\" {\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"4\",children:[\"\t\t\",(0,a.jsx)(e.span,{style:{color:\"var(--base0A)\"},children:\"const\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"result\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"=\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"operations\"}),\"[\",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"operator\"}),\"](\",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"left\"}),\", \",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"right\"}),\")\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"5\",children:[\"\t\t\",(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"return\"}),\" (\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"6\",children:[\"\t\t\t<\",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"div\"}),\">\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"7\",children:[\"\t\t\t\t<\",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"code\"}),\">\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"8\",children:[\"\t\t\t\t\t\",(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"{\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"left\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"}\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"{\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"operator\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"}\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"{\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"right\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"}\"}),\" = <\",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"output\"}),\">\",(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"{\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"result\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"}\"}),\"\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"9\",children:[\"\t\t\t\t\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"10\",children:[\"\t\t\t\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"11\",children:[\"\t\t)\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"12\",children:[\"\t} \",(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"catch\"}),\" (\",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"error\"}),\") {\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"13\",children:[\"\t\t\",(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"return\"}),\" <\",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"div\"}),\">Oh no! An error occurred!\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"14\",children:[\"\t}\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"15\",children:[\"}\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"16\",children:[(0,a.jsx)(e.span,{style:{color:\"var(--base03)\"},children:\"// ugh, that would be terrible\"}),`\n`]})]})}),`\n`,(0,a.jsx)(e.p,{children:\"If only there were something like:\"}),`\n`,(0,a.jsx)(e.pre,{\"data-line-numbers\":\"true\",\"data-lang\":\"tsx\",style:{color:\"var(--base05)\",backgroundColor:\"var(--base00)\"},children:(0,a.jsxs)(e.code,{children:[(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"1\",children:[\"<\",(0,a.jsx)(e.span,{style:{color:\"var(--base0A)\"},children:\"Try\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"catch\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"=\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"{\"}),\"<\",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"div\"}),\">Oh no!\",(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"}\"}),\">\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"2\",children:[\"\t<\",(0,a.jsx)(e.span,{style:{color:\"var(--base0A)\"},children:\"App\"}),\" />\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"3\",children:[\"\",`\n`]})]})}),`\n`,(0,a.jsxs)(e.p,{children:[`Oh wait! There is! They're called\n`,(0,a.jsx)(e.a,{href:\"https://react.dev/reference/react/Component#catching-rendering-errors-with-an-error-boundary\",children:\"Error Boundaries\"}),\".\"]}),`\n`,(0,a.jsx)(e.p,{children:`So you can make a special kind of component that implements the Error Boundary\nAPI, and then use it like so:`}),`\n`,(0,a.jsx)(e.pre,{\"data-line-numbers\":\"true\",\"data-lang\":\"tsx\",style:{color:\"var(--base05)\",backgroundColor:\"var(--base00)\"},children:(0,a.jsxs)(e.code,{children:[(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"1\",children:[\"<\",(0,a.jsx)(e.span,{style:{color:\"var(--base0A)\"},children:\"ErrorBoundary\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"fallback\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"=\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"{\"}),\"<\",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"div\"}),\">Oh no!\",(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"}\"}),\">\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"2\",children:[\"\t<\",(0,a.jsx)(e.span,{style:{color:\"var(--base0A)\"},children:\"App\"}),\" />\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"3\",children:[\"\",`\n`]})]})}),`\n`,(0,a.jsxs)(e.p,{children:[\"And just like with \",(0,a.jsx)(e.code,{children:\"try/catch\"}),` you can place these error boundaries wherever you\nwant to catch errors. You can even nest them to catch errors in different parts\nof your application to give your users a more meaningful experience.`]}),`\n`,(0,a.jsx)(e.p,{children:`Unfortunately, React doesn't ship this component as a built-in component, and\nthere is currently no way to create an Error Boundary component as a modern\nfunction component so you have to use a class component instead.`}),`\n`,(0,a.jsx)(e.p,{children:\"Here's a simple version of an Error Boundary component:\"}),`\n`,(0,a.jsx)(e.pre,{\"data-line-numbers\":\"true\",\"data-lang\":\"tsx\",style:{color:\"var(--base05)\",backgroundColor:\"var(--base00)\"},children:(0,a.jsxs)(e.code,{children:[(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"1\",children:[(0,a.jsx)(e.span,{style:{color:\"var(--base0A)\"},children:\"class\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0A)\"},children:\"ErrorBoundary\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"extends\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0A)\"},children:\"React\"}),\".\",(0,a.jsx)(e.span,{style:{color:\"var(--base0B)\"},children:\"Component\"}),\" {\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"2\",children:[\"\t\",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"state\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"=\"}),\" { error: \",(0,a.jsx)(e.span,{style:{color:\"var(--base09)\"},children:\"null\"}),\" }\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"3\",children:[\"\t\",(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"static\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"getDerivedStateFromError\"}),\"(\",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"error\"}),\") {\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"4\",children:[\"\t\t\",(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"return\"}),\" { \",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"error\"}),\" }\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"5\",children:[\"\t}\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"6\",children:[\"\t\",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"render\"}),\"() {\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"7\",children:[\"\t\t\",(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"return\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"this\"}),\".\",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"state\"}),\".\",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"error\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"?\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"this\"}),\".\",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"props\"}),\".\",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"fallback\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\":\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"this\"}),\".\",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"props\"}),\".\",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"children\"}),`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"8\",children:[\"\t}\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"9\",children:[\"}\",`\n`]})]})}),`\n`,(0,a.jsx)(e.p,{children:\"Then you'd use it like so:\"}),`\n`,(0,a.jsx)(e.pre,{\"data-line-numbers\":\"true\",\"data-lang\":\"tsx\",style:{color:\"var(--base05)\",backgroundColor:\"var(--base00)\"},children:(0,a.jsxs)(e.code,{children:[(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"1\",children:[\"<\",(0,a.jsx)(e.span,{style:{color:\"var(--base0A)\"},children:\"ErrorBoundary\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"fallback\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"=\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"{\"}),\"<\",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"div\"}),\">Oh no!\",(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"}\"}),\">\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"2\",children:[\"\t<\",(0,a.jsx)(e.span,{style:{color:\"var(--base0A)\"},children:\"App\"}),\" />\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"3\",children:[\"\",`\n`]})]})}),`\n`,(0,a.jsxs)(e.p,{children:[\"And now any errors thrown in \",(0,a.jsx)(e.code,{children:\"App\"}),` will be caught by the Error\nBoundary and render out the error message instead of crashing the app.`]}),`\n`,(0,a.jsxs)(e.p,{children:[\"You're \",(0,a.jsx)(e.strong,{children:\"never going to need to do this\"}),` though. Instead we'll follow the\nofficial docs' recommendation and use\n`,(0,a.jsx)(e.a,{href:\"https://www.npmjs.com/package/react-error-boundary\",children:(0,a.jsx)(e.code,{children:\"react-error-boundary\"})}),`\nwhich has a really nice API with a variety of ways to use it for different use\ncases. Check `,(0,a.jsx)(e.a,{href:\"https://www.npmjs.com/package/react-error-boundary\",children:\"\\u{1F4DC} the docs\"}),`\nfor more details.`]}),`\n`,(0,a.jsx)(e.h2,{children:\"Async Errors\"}),`\n`,(0,a.jsxs)(e.p,{children:[`In React, you need to consider two types of errors: errors that happen during\nrendering, and errors that don't (like an event handler, a `,(0,a.jsx)(e.code,{children:\"useEffect\"}),` callback,\nor a promise `,(0,a.jsx)(e.code,{children:\".then\"}),\"/\",(0,a.jsx)(e.code,{children:\".catch\"}),\").\"]}),`\n`,(0,a.jsxs)(e.p,{children:[\"Under the hood, React is using \",(0,a.jsx)(e.code,{children:\"try\"}),\"/\",(0,a.jsx)(e.code,{children:\"catch\"}),` to catch errors that happen during\nrendering, but React cannot catch all of these kinds of errors because they\nhappen outside of React's call stack.`]}),`\n`,(0,a.jsxs)(e.p,{children:[`So you need to surface those to React yourself. It's not very often you'll need\nto handle these kinds of errors in real world applications using modern React\npatterns and frameworks, but you may run into cases where it's useful. The\neasiest way to do this is to use the `,(0,a.jsx)(e.code,{children:\"useErrorBoundary\"}),` hook from\n`,(0,a.jsx)(e.a,{href:\"https://www.npmjs.com/package/react-error-boundary\",children:(0,a.jsx)(e.code,{children:\"react-error-boundary\"})}),\":\"]}),`\n`,(0,a.jsx)(e.pre,{\"data-line-numbers\":\"true\",\"data-lang\":\"tsx\",style:{color:\"var(--base05)\",backgroundColor:\"var(--base00)\"},children:(0,a.jsxs)(e.code,{children:[(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"1\",children:[(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"function\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"App\"}),\"() {\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"2\",children:[\"\t\",(0,a.jsx)(e.span,{style:{color:\"var(--base0A)\"},children:\"const\"}),\" { \",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"showBoundary\"}),\" } \",(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"=\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"useErrorBoundary\"}),\"()\",`\n`]}),(0,a.jsx)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"3\",children:`\n`}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"4\",children:[\"\t\",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"useEffect\"}),\"(() \",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"=>\"}),\" {\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"5\",children:[\"\t\t\",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"function\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"handleMouseMove\"}),\"(\",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"event\"}),\") {\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"6\",children:[\"\t\t\t\",(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"try\"}),\" {\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"7\",children:[\"\t\t\t\t\",(0,a.jsx)(e.span,{style:{color:\"var(--base03)\"},children:\"// Do something that could throw\"}),`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"8\",children:[\"\t\t\t} \",(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"catch\"}),\" (\",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"error\"}),\") {\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"9\",children:[\"\t\t\t\t\",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"showBoundary\"}),\"(\",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"error\"}),\")\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"10\",children:[\"\t\t\t}\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"11\",children:[\"\t\t}\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"12\",children:[\"\t\t\",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"window\"}),\".\",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"addEventListener\"}),\"(\",\"'\",(0,a.jsx)(e.span,{style:{color:\"var(--base0B)\"},children:\"mousemove\"}),\"'\",\", \",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"handleMouseMove\"}),\")\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"13\",children:[\"\t\t\",(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"return\"}),\" () \",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"=>\"}),\" {\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"14\",children:[\"\t\t\t\",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"window\"}),\".\",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"removeEventListener\"}),\"(\",\"'\",(0,a.jsx)(e.span,{style:{color:\"var(--base0B)\"},children:\"mousemove\"}),\"'\",\", \",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"handleMouseMove\"}),\")\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"15\",children:[\"\t\t}\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"16\",children:[\"\t})\",`\n`]}),(0,a.jsx)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"17\",children:`\n`}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"18\",children:[\"\t\",(0,a.jsx)(e.span,{style:{color:\"var(--base03)\"},children:\"// Render ...\"}),`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"19\",children:[\"}\",`\n`]})]})}),`\n`,(0,a.jsx)(e.p,{children:`An alternative to using an error boundary for this type of error is to store the\nerror in state and display that. Both approaches are valid, and which one you\nchoose comes down to which feels better. I typically try both and choose the one\nI hate the least \\u{1F605}`}),`\n`,(0,a.jsx)(e.h2,{children:\"Localized Error Handling\"}),`\n`,(0,a.jsx)(e.p,{children:`Most applications will use more than a single error boundary. You should really\nthink about error boundaries as try/catch blocks. You don't want to wrap your\nentire application in a single try/catch block because it's more difficult to\nhandle errors in a meaningful way. Instead, you wrap things in more practical\nplaces so you can handle errors in a more localized way with the kind of context\nthat makes sense for that part of the application.`}),`\n`,(0,a.jsx)(e.p,{children:`You'll use error boundaries in a similar way. Just think about what the user\nwill be able to do when errors occur and if you're able to give them more useful\nactions by handling the error more closely to where it originated, then do that.`}),`\n`,(0,a.jsx)(e.p,{children:`For example, let's say you have a list/detail view. You might want to have an\nerror boundary around the list and another around the detail view. This way, if\nthere's an error in the list, you can show a message to the user and give them\nthe option to retry fetching the list. If there's an error in the detail view,\nyou can show an error and they can at least try other items in the list.`}),`\n`,(0,a.jsx)(e.pre,{\"data-line-numbers\":\"true\",\"data-lang\":\"tsx\",style:{color:\"var(--base05)\",backgroundColor:\"var(--base00)\"},children:(0,a.jsxs)(e.code,{children:[(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"1\",children:[(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"function\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"App\"}),\"() {\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"2\",children:[\"\t\",(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"return\"}),\" (\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"3\",children:[\"\t\t<\",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"div\"}),\">\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"4\",children:[\"\t\t\t<\",(0,a.jsx)(e.span,{style:{color:\"var(--base0A)\"},children:\"ErrorBoundary\"}),\" \",(0,a.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"fallback\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"=\"}),(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"{\"}),\"<\",(0,a.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"div\"}),\">Something went wrong with the list.\",(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"}\"}),\">\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"5\",children:[\"\t\t\t\t<\",(0,a.jsx)(e.span,{style:{color:\"var(--base0A)\"},children:\"List\"}),\" 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another.\",(0,a.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"}\"}),`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"9\",children:[\"\t\t\t>\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"10\",children:[\"\t\t\t\t<\",(0,a.jsx)(e.span,{style:{color:\"var(--base0A)\"},children:\"Detail\"}),\" />\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"11\",children:[\"\t\t\t\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"12\",children:[\"\t\t\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"13\",children:[\"\t)\",`\n`]}),(0,a.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"14\",children:[\"}\",`\n`]})]})})]})}function h(n={}){let{wrapper:e}=n.components||{};return e?(0,a.jsx)(e,{...n,children:(0,a.jsx)(d,{...n})}):d(n)}function g(n,e){throw new Error(\"Expected \"+(e?\"component\":\"object\")+\" `\"+n+\"` to 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f=(r,e,o)=>(o=r!=null?h(b(r)):{},l(e||!r||!r.__esModule?t(o,\"default\",{value:r,enumerable:!0}):o,r)),v=r=>l(t({},\"__esModule\",{value:!0}),r);var s=w((A,d)=>{d.exports=_jsx_runtime});var F={};g(F,{default:()=>p,frontmatter:()=>x});var n=f(s()),x=void 0;function i(r){let e={code:\"code\",h1:\"h1\",p:\"p\",pre:\"pre\",span:\"span\",...r.components},{EpicVideo:o}=e;return o||E(\"EpicVideo\",!0),(0,n.jsxs)(n.Fragment,{children:[(0,n.jsx)(e.h1,{children:\"Composition\"}),`\n`,(0,n.jsx)(o,{url:\"https://www.epicreact.dev/workshops/react-fundamentals/composition\"}),`\n`,(0,n.jsx)(e.p,{children:`\\u{1F468}\\u200D\\u{1F4BC} You'll notice that right now our onboarding form isn't showing up at all.\nThat's because someone made a typo... But errors like this could happen for any\nnumber of reasons (data issue, API version change, network error, etc.). So we\nshould definitely handle errors in our app.`}),`\n`,(0,n.jsxs)(e.p,{children:[\"Let's start by wrapping our existing \",(0,n.jsx)(e.code,{children:\"App\"}),` component in an Error Boundary to\nhandle any errors. We're going to have you use the `,(0,n.jsx)(e.code,{children:\"FallbackComponent\"}),` prop on\nthe `,(0,n.jsx)(e.code,{children:\"ErrorBoundary\"}),\" so we can define our own \",(0,n.jsx)(e.code,{children:\"ErrorFallback\"}),\" component.\"]}),`\n`,(0,n.jsx)(e.pre,{\"data-line-numbers\":\"true\",\"data-lang\":\"tsx\",style:{color:\"var(--base05)\",backgroundColor:\"var(--base00)\"},children:(0,n.jsx)(e.code,{children:(0,n.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"1\",children:[\"<\",(0,n.jsx)(e.span,{style:{color:\"var(--base0A)\"},children:\"ErrorBoundary\"}),\" \",(0,n.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"FallbackComponent\"}),(0,n.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"=\"}),(0,n.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"{\"}),(0,n.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"ErrorFallback\"}),(0,n.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"}\"}),\">\",(0,n.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"{\"}),(0,n.jsx)(e.span,{style:{color:\"var(--base03)\"},children:\"/*...*/\"}),(0,n.jsx)(e.span,{style:{color:\"var(--base0F)\"},children:\"}\"}),\"\",`\n`]})})}),`\n`,(0,n.jsxs)(e.p,{children:[\"Right now we have an \",(0,n.jsx)(e.code,{children:\"App\"}),` component which we render using\n`,(0,n.jsx)(e.code,{children:\"createRoot(rootEl).render()\"}),`, so to get our stuff wrapped\nproperly, we'll rename our existing `,(0,n.jsx)(e.code,{children:\"App\"}),\" component (call it \",(0,n.jsx)(e.code,{children:\"OnboardingForm\"}),`) and\nthen make a new `,(0,n.jsx)(e.code,{children:\"App\"}),\" which renders the \",(0,n.jsx)(e.code,{children:\"ErrorBoundary\"}),\" around the \",(0,n.jsx)(e.code,{children:\"OnboardingForm\"}),`\ncomponent along with our `,(0,n.jsx)(e.code,{children:\"FallbackComponent\"}),\" called \",(0,n.jsx)(e.code,{children:\"ErrorFallback\"}),` (which you\nalso have to create).`]}),`\n`,(0,n.jsx)(e.p,{children:\"Get to it!\"})]})}function p(r={}){let{wrapper:e}=r.components||{};return e?(0,n.jsx)(e,{...r,children:(0,n.jsx)(i,{...r})}):i(r)}function E(r,e){throw new Error(\"Expected \"+(e?\"component\":\"object\")+\" `\"+r+\"` to be defined: you likely forgot to import, pass, or provide it.\")}return v(F);})();\n;return Component;","epicVideoEmbeds",[888],"https://www.epicreact.dev/workshops/react-fundamentals/composition","test",{"_9":891,"_892":893,"_894":895},"browser","pathname","/app/09.01.problem/test/","testFiles",[896],"error-boundary.test.ts","dev",{"_9":891,"_892":899},"/app/09.01.problem/","stackBlitzUrl","https://stackblitz.com/github/epicweb-dev/react-fundamentals/tree/main/exercises/09.errors/01.problem.composition?view=editor&title=Composition+%28problem%29&hidedevtools=1&terminalHeight=0&hideNavigation=1&file=index.tsx","solutionName",{"_20":291,"_342":816,"_869":904,"_22":292,"_24":293,"_871":905,"_886":906,"_889":908,"_897":911,"_900":913,"_466":566,"_477":478,"_9":502,"_914":-5},"01.solution.composition","var Component=(()=>{var h=Object.create;var a=Object.defineProperty;var l=Object.getOwnPropertyDescriptor;var m=Object.getOwnPropertyNames;var f=Object.getPrototypeOf,x=Object.prototype.hasOwnProperty;var w=(t,e)=>()=>(e||t((e={exports:{}}).exports,e),e.exports),_=(t,e)=>{for(var o in e)a(t,o,{get:e[o],enumerable:!0})},s=(t,e,o,i)=>{if(e&&typeof e==\"object\"||typeof e==\"function\")for(let r of m(e))!x.call(t,r)&&r!==o&&a(t,r,{get:()=>e[r],enumerable:!(i=l(e,r))||i.enumerable});return t};var j=(t,e,o)=>(o=t!=null?h(f(t)):{},s(e||!t||!t.__esModule?a(o,\"default\",{value:t,enumerable:!0}):o,t)),b=t=>s(a({},\"__esModule\",{value:!0}),t);var p=w((M,c)=>{c.exports=_jsx_runtime});var g={};_(g,{default:()=>u,frontmatter:()=>k});var n=j(p()),k=void 0;function d(t){let e={h1:\"h1\",p:\"p\",...t.components},{EpicVideo:o}=e;return o||y(\"EpicVideo\",!0),(0,n.jsxs)(n.Fragment,{children:[(0,n.jsx)(e.h1,{children:\"Composition\"}),`\n`,(0,n.jsx)(o,{url:\"https://www.epicreact.dev/workshops/react-fundamentals/composition/solution\"}),`\n`,(0,n.jsx)(e.p,{children:`\\u{1F468}\\u200D\\u{1F4BC} Great job! You've successfully wrapped our app logic in an error boundary\nthat can handle any errors that occur in the app. But what about other kinds of\nerrors? The kind that React doesn't know about? Let's look at that next.`})]})}function u(t={}){let{wrapper:e}=t.components||{};return e?(0,n.jsx)(e,{...t,children:(0,n.jsx)(d,{...t})}):d(t)}function y(t,e){throw new Error(\"Expected \"+(e?\"component\":\"object\")+\" `\"+t+\"` to be defined: you likely forgot to import, pass, or provide it.\")}return b(g);})();\n;return Component;",[907],"https://www.epicreact.dev/workshops/react-fundamentals/composition/solution",{"_9":891,"_892":909,"_894":910},"/app/09.01.solution/test/",[896],{"_9":891,"_892":912},"/app/09.01.solution/","https://stackblitz.com/github/epicweb-dev/react-fundamentals/tree/main/exercises/09.errors/01.solution.composition?view=editor&title=Composition+%28solution%29&hidedevtools=1&terminalHeight=0&hideNavigation=1&file=index.tsx","problemName",{"_477":486,"_476":916,"_502":927},{"_20":295,"_342":818,"_869":917,"_22":296,"_24":297,"_871":918,"_886":919,"_889":921,"_897":924,"_900":926,"_466":566,"_477":486,"_9":476,"_902":299},"02.problem.show-boundary","var Component=(()=>{var p=Object.create;var l=Object.defineProperty;var b=Object.getOwnPropertyDescriptor;var u=Object.getOwnPropertyNames;var y=Object.getPrototypeOf,m=Object.prototype.hasOwnProperty;var v=(r,e)=>()=>(e||r((e={exports:{}}).exports,e),e.exports),f=(r,e)=>{for(var a in e)l(r,a,{get:e[a],enumerable:!0})},t=(r,e,a,s)=>{if(e&&typeof e==\"object\"||typeof e==\"function\")for(let o of u(e))!m.call(r,o)&&o!==a&&l(r,o,{get:()=>e[o],enumerable:!(s=b(e,o))||s.enumerable});return r};var w=(r,e,a)=>(a=r!=null?p(y(r)):{},t(e||!r||!r.__esModule?l(a,\"default\",{value:r,enumerable:!0}):a,r)),k=r=>t(l({},\"__esModule\",{value:!0}),r);var i=v((N,c)=>{c.exports=_jsx_runtime});var E={};f(E,{default:()=>h,frontmatter:()=>g});var n=w(i()),g=void 0;function d(r){let e={code:\"code\",h1:\"h1\",p:\"p\",pre:\"pre\",span:\"span\",...r.components},{EpicVideo:a}=e;return a||x(\"EpicVideo\",!0),(0,n.jsxs)(n.Fragment,{children:[(0,n.jsx)(e.h1,{children:\"Other Errors\"}),`\n`,(0,n.jsx)(a,{url:\"https://www.epicreact.dev/workshops/react-fundamentals/other-errors\"}),`\n`,(0,n.jsxs)(e.p,{children:[`\\u{1F468}\\u200D\\u{1F4BC} Recall previously we learned that React doesn't catch all errors for you.\nWe've got an error in our `,(0,n.jsx)(e.code,{children:\"onSubmit\"}),` handler like this. If you try to submit the\nform, you'll notice in the console that there's an error (someone made a typo\n\\u{1F605}). The error looks something like:`]}),`\n`,(0,n.jsx)(e.pre,{\"data-line-numbers\":\"true\",\"data-lang\":\"javascript\",style:{color:\"var(--base05)\",backgroundColor:\"var(--base00)\"},children:(0,n.jsx)(e.code,{children:(0,n.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"1\",children:[(0,n.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"Uncaught\"}),\" \",(0,n.jsx)(e.span,{style:{color:\"var(--base0A)\"},children:\"TypeError\"}),\": \",(0,n.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"Cannot\"}),\" \",(0,n.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"read\"}),\" \",(0,n.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"properties\"}),\" \",(0,n.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"of\"}),\" \",(0,n.jsx)(e.span,{style:{color:\"var(--base09)\"},children:\"null\"}),\" (\",(0,n.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"reading\"}),\" \",\"'\",(0,n.jsx)(e.span,{style:{color:\"var(--base0B)\"},children:\"toUpperCase\"}),\"'\",\")\",`\n`]})})}),`\n`,(0,n.jsxs)(e.p,{children:[`Before we fix the typo, we want to give the user better feedback for when\nsomething like this happens (right now, they don't know it's not working and\nthat's terribly annoying). So what I want you to do is wrap that callback in our\nown `,(0,n.jsx)(e.code,{children:\"try/catch\"}),\" and then surface it to React using the \",(0,n.jsx)(e.code,{children:\"showBoundary\"}),` function\nyou get when you call the `,(0,n.jsx)(e.code,{children:\"useErrorBoundary\"}),\" utility:\"]}),`\n`,(0,n.jsx)(e.pre,{\"data-line-numbers\":\"true\",\"data-lang\":\"tsx\",style:{color:\"var(--base05)\",backgroundColor:\"var(--base00)\"},children:(0,n.jsxs)(e.code,{children:[(0,n.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"1\",children:[(0,n.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"import\"}),\" { \",(0,n.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"useErrorBoundary\"}),\" } \",(0,n.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"from\"}),\" \",\"'\",(0,n.jsx)(e.span,{style:{color:\"var(--base0B)\"},children:\"react-error-boundary\"}),\"'\",`\n`]}),(0,n.jsx)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"2\",children:`\n`}),(0,n.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"3\",children:[(0,n.jsx)(e.span,{style:{color:\"var(--base03)\"},children:\"// ... in the component\"}),`\n`]}),(0,n.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"4\",children:[(0,n.jsx)(e.span,{style:{color:\"var(--base0A)\"},children:\"const\"}),\" { \",(0,n.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"showBoundary\"}),\" } \",(0,n.jsx)(e.span,{style:{color:\"var(--base0E)\"},children:\"=\"}),\" \",(0,n.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"useErrorBoundary\"}),\"()\",`\n`]}),(0,n.jsx)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"5\",children:`\n`}),(0,n.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"6\",children:[(0,n.jsx)(e.span,{style:{color:\"var(--base03)\"},children:\"// ... in the `catch` block\"}),`\n`]}),(0,n.jsxs)(e.span,{className:\"codeblock-line\",\"data-line-number\":\"7\",children:[(0,n.jsx)(e.span,{style:{color:\"var(--base0D)\"},children:\"showBoundary\"}),\"(\",(0,n.jsx)(e.span,{style:{color:\"var(--base08)\"},children:\"error\"}),\")\",`\n`]})]})}),`\n`,(0,n.jsx)(e.p,{children:\"So let's make that happen!\"})]})}function h(r={}){let{wrapper:e}=r.components||{};return e?(0,n.jsx)(e,{...r,children:(0,n.jsx)(d,{...r})}):d(r)}function x(r,e){throw new Error(\"Expected \"+(e?\"component\":\"object\")+\" `\"+r+\"` to be defined: you likely forgot to import, pass, or provide it.\")}return k(E);})();\n;return Component;",[920],"https://www.epicreact.dev/workshops/react-fundamentals/other-errors",{"_9":891,"_892":922,"_894":923},"/app/09.02.problem/test/",[896],{"_9":891,"_892":925},"/app/09.02.problem/","https://stackblitz.com/github/epicweb-dev/react-fundamentals/tree/main/exercises/09.errors/02.problem.show-boundary?view=editor&title=Other+Errors+%28problem%29&hidedevtools=1&terminalHeight=0&hideNavigation=1&file=index.tsx",{"_20":299,"_342":818,"_869":928,"_22":300,"_24":301,"_871":929,"_886":930,"_889":932,"_897":935,"_900":937,"_466":566,"_477":486,"_9":502,"_914":-5},"02.solution.show-boundary","var Component=(()=>{var u=Object.create;var i=Object.defineProperty;var m=Object.getOwnPropertyDescriptor;var f=Object.getOwnPropertyNames;var l=Object.getPrototypeOf,x=Object.prototype.hasOwnProperty;var w=(e,t)=>()=>(t||e((t={exports:{}}).exports,t),t.exports),_=(e,t)=>{for(var n in t)i(e,n,{get:t[n],enumerable:!0})},c=(e,t,n,s)=>{if(t&&typeof t==\"object\"||typeof t==\"function\")for(let o of f(t))!x.call(e,o)&&o!==n&&i(e,o,{get:()=>t[o],enumerable:!(s=m(t,o))||s.enumerable});return e};var g=(e,t,n)=>(n=e!=null?u(l(e)):{},c(t||!e||!e.__esModule?i(n,\"default\",{value:e,enumerable:!0}):n,e)),j=e=>c(i({},\"__esModule\",{value:!0}),e);var h=w((k,a)=>{a.exports=_jsx_runtime});var b={};_(b,{default:()=>p,frontmatter:()=>y});var r=g(h()),y=void 0;function d(e){let t={h1:\"h1\",p:\"p\",...e.components},{EpicVideo:n}=t;return n||E(\"EpicVideo\",!0),(0,r.jsxs)(r.Fragment,{children:[(0,r.jsx)(t.h1,{children:\"Other Errors\"}),`\n`,(0,r.jsx)(n,{url:\"https://www.epicreact.dev/workshops/react-fundamentals/other-errors/solution\"}),`\n`,(0,r.jsx)(t.p,{children:`\\u{1F468}\\u200D\\u{1F4BC} Great work! Now you can handle errors and give the user a better experience\nthan nothing happening at all when they submit the form.`})]})}function p(e={}){let{wrapper:t}=e.components||{};return t?(0,r.jsx)(t,{...e,children:(0,r.jsx)(d,{...e})}):d(e)}function E(e,t){throw new Error(\"Expected \"+(t?\"component\":\"object\")+\" `\"+e+\"` to be defined: you likely forgot to import, pass, or provide it.\")}return j(b);})();\n;return Component;",[931],"https://www.epicreact.dev/workshops/react-fundamentals/other-errors/solution",{"_9":891,"_892":933,"_894":934},"/app/09.02.solution/test/",[896],{"_9":891,"_892":936},"/app/09.02.solution/","https://stackblitz.com/github/epicweb-dev/react-fundamentals/tree/main/exercises/09.errors/02.solution.show-boundary?view=editor&title=Other+Errors+%28solution%29&hidedevtools=1&terminalHeight=0&hideNavigation=1&file=index.tsx",{"_477":512,"_476":939,"_502":950},{"_20":303,"_342":820,"_869":940,"_22":304,"_24":305,"_871":941,"_886":942,"_889":944,"_897":947,"_900":949,"_466":566,"_477":512,"_9":476,"_902":307},"03.problem.reset","var Component=(()=>{var p=Object.create;var i=Object.defineProperty;var l=Object.getOwnPropertyDescriptor;var m=Object.getOwnPropertyNames;var f=Object.getPrototypeOf,y=Object.prototype.hasOwnProperty;var g=(t,e)=>()=>(e||t((e={exports:{}}).exports,e),e.exports),w=(t,e)=>{for(var o in e)i(t,o,{get:e[o],enumerable:!0})},c=(t,e,o,a)=>{if(e&&typeof e==\"object\"||typeof e==\"function\")for(let r of m(e))!y.call(t,r)&&r!==o&&i(t,r,{get:()=>e[r],enumerable:!(a=l(e,r))||a.enumerable});return t};var x=(t,e,o)=>(o=t!=null?p(f(t)):{},c(e||!t||!t.__esModule?i(o,\"default\",{value:t,enumerable:!0}):o,t)),b=t=>c(i({},\"__esModule\",{value:!0}),t);var d=g((M,s)=>{s.exports=_jsx_runtime});var E={};w(E,{default:()=>h,frontmatter:()=>_});var n=x(d()),_=void 0;function u(t){let e={code:\"code\",h1:\"h1\",p:\"p\",...t.components},{EpicVideo:o}=e;return o||j(\"EpicVideo\",!0),(0,n.jsxs)(n.Fragment,{children:[(0,n.jsx)(e.h1,{children:\"Reset\"}),`\n`,(0,n.jsx)(o,{url:\"https://www.epicreact.dev/workshops/react-fundamentals/reset\"}),`\n`,(0,n.jsxs)(e.p,{children:[`\\u{1F468}\\u200D\\u{1F4BC} Sometimes errors are temporary and will go away if you just \"turn it off and\non again.\" `,(0,n.jsx)(e.code,{children:\"react-error-boundary\"}),\" supports this with a \",(0,n.jsx)(e.code,{children:\"resetErrorBoundary\"}),`\nfunction it passes to our `,(0,n.jsx)(e.code,{children:\"FallbackComponent\"}),`. We can use this to reset the\nerror boundary and try again.`]}),`\n`,(0,n.jsxs)(e.p,{children:[`Once you're done, you can test it out. 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It's nice to give our users a path forward. One thing you may have\nnoticed is that if you enter in values into the form and there's an error, when\nyou restore your form, the values are gone. This is because we're not\npersisting the values in the form. That's beyond the scope of this exercise, but\nit's something to keep in mind. 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09. Error Boundaries/Elaboration