{"id":87208,"date":"2020-07-05T13:42:19","date_gmt":"2020-07-05T11:42:19","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/sentry-udalennyj-monitoring-bagov-v-frontend-prilozheniyah-react"},"modified":"2020-07-05T13:42:19","modified_gmt":"2020-07-05T11:42:19","slug":"sentry-udalennyj-monitoring-bagov-v-frontend-prilozheniyah-react","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/administrirovanie\/sentry-udalennyj-monitoring-bagov-v-frontend-prilozheniyah-react","title":{"rendered":"Sentry zdalne monitorowanie b\u0142\u0119d\u00f3w w aplikacjach frontendowych React","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Badamy wykorzystanie Sentry z Reactem.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Sentry zdalne monitorowanie b\u0142\u0119d\u00f3w w aplikacjach frontendowych React\" src=\"\/wp-content\/uploads\/2020\/07\/6ea51ae73accae0c36e0130b830c1ca2.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Ten artyku\u0142 jest cz\u0119\u015bci\u0105 serii, kt\u00f3ra zaczyna si\u0119 od b\u0142\u0119d\u00f3w Sentry na przyk\u0142adzie: <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/508686\/\">Part 1<\/a><\/noindex>. <\/p>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p><strong>Implementacja React<\/strong> <\/p>\n<p><\/p>\n<p>Najpierw musimy doda\u0107 nowy projekt Sentry dla tej aplikacji; z witryny Sentry. W tym przypadku wybieramy React.<\/p>\n<p><\/p>\n<p>Ponownie implementujemy nasze dwa przyciski, Hello i Error, aplikacj\u0119 w React. Zaczynamy od utworzenia naszej pocz\u0105tkowej aplikacji:<\/p>\n<p><\/p>\n<pre><code class=\"plaintext\">npx create-react-app react-app<\/code><\/pre>\n<p><\/p>\n<p>Nast\u0119pnie importujemy pakiet Sentry:<\/p>\n<p><\/p>\n<pre><code class=\"plaintext\">yarn add @sentry\/browser<\/code><\/pre>\n<p><\/p>\n<p>i inicjalizujemy go:<\/p>\n<p><\/p>\n<p>react-app \/ src \/ index.js<\/p>\n<p><\/p>\n<pre><code class=\"javascript\">...\nimport * as Sentry from '@sentry\/browser';\n\nconst RELEASE = '0.1.0';\nif (process.env.NODE_ENV === 'production') {\n  Sentry.init({\n    dsn: 'https:\/\/303c04eac89844b5bfc908ceffc6757c@sentry.io\/1289887',\n    release: RELEASE,\n  });\n}\n...<\/code><\/pre>\n<p><\/p>\n<p>Obserwacje:<\/p>\n<p><\/p>\n<ul>\n<li>Podczas rozwoju mamy inne mechanizmy obserwacji problem\u00f3w, na przyk\u0142ad konsol\u0119, dlatego w\u0142\u0105czamy Sentry tylko dla produkcyjnych kompilacji.<\/li>\n<\/ul>\n<p><\/p>\n<p>Nast\u0119pnie implementujemy nasze przyciski Hello i Error i dodajemy je do aplikacji:<\/p>\n<p><\/p>\n<p><em>react-app \/ src \/ Hello.js<\/em><\/p>\n<p><\/p>\n<pre><code class=\"javascript\">import React, { Component } from &#039;react&#039;;\nimport * as Sentry from &#039;@sentry\/browser&#039;;\n\nexport default class Hello extends Component {\n  state = {\n    text: &#039;&#039;,\n  };\n  render() {\n    const { text } = this.state;\n    return (\n      &lt;div&gt;\n        &lt;button\n          onclick=&quot;{this.handleClick}&quot;\n        &gt;\n          Cze\u015b\u0107\n        &lt;\/button&gt;\n        &lt;div&gt;{text}&lt;\/div&gt;\n      &lt;\/div&gt;\n    )\n  }\n\n  handleClick = () =&amp;gt; {\n    this.setState({\n      text: &#039;Hello World&#039;,\n    });\n    try {\n      throw new Error(&#039;Caught&#039;);\n    } catch (err) {\n      if (process.env.NODE_ENV !== &#039;production&#039;) {\n        return;\n      }\n      Sentry.captureException(err);\n    }\n  }\n}<\/code><\/pre>\n<p><\/p>\n<p><em>react-app \/ src \/ MyError.js<\/em><\/p>\n<p><\/p>\n<pre><code class=\"plaintext\">import React, { Component } from &#039;react&#039;;\n\nexport default class MyError extends Component {\n  render() {\n    return (\n      &lt;div&gt;\n        &lt;button\n          onclick=&quot;{this.handleClick}&quot;\n        &gt;\n          Error\n        &lt;\/button&gt;\n      &lt;\/div&gt;\n    )\n  }\n\n  handleClick = () =&amp;gt; {\n    throw new Error(&#039;Uncaught&#039;);\n  }\n}<\/code><\/pre>\n<p><\/p>\n<p><em>react-app \/ src \/ App.js<\/em><\/p>\n<p><\/p>\n<pre><code class=\"plaintext\">...\nimport Hello from &#039;.\\\/Hello&#039;;\nimport MyError from &#039;.\\\/MyError&#039;;\n\nclass App extends Component {\n  render() {\n    return (\n      &lt;div classname=&quot;App&quot;&gt;\n        ...\n        &lt;hello \/&gt;\n        &lt;myerror \/&gt;\n      &lt;\/div&gt;\n    );\n  }\n}\n\nexport default App;<\/code><\/pre>\n<p><\/p>\n<p><strong>Problem (Mapy \u0179r\u00f3d\u0142owe)<\/strong><\/p>\n<p><\/p>\n<p>Mo\u017cemy przetestowa\u0107 Sentry z produkcyjn\u0105 wersj\u0105, wpisuj\u0105c:<\/p>\n<p><\/p>\n<pre><code class=\"plaintext\">yarn build<\/code><\/pre>\n<p><\/p>\n<p>a z folderu build wpisujemy:<\/p>\n<p><\/p>\n<pre><code class=\"plaintext\">npx http-server -c-1<\/code><\/pre>\n<p><\/p>\n<p>Problem, z kt\u00f3rym natychmiast si\u0119 spotkamy, polega na tym, \u017ce wpisy b\u0142\u0119d\u00f3w Sentry odnosz\u0105 si\u0119 do numer\u00f3w wierszy w zminimalizowanym pakiecie; nie jest to zbyt pomocne.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Sentry zdalne monitorowanie b\u0142\u0119d\u00f3w w aplikacjach frontendowych React\" src=\"\/wp-content\/uploads\/2020\/07\/e5b320f731249bad65a82e33c4e09b43.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Us\u0142uga Sentry wyja\u015bnia to, pobieraj\u0105c mapy \u017ar\u00f3d\u0142owe dla zminimalizowanego pakietu po otrzymaniu b\u0142\u0119du. W tym przypadku uciekamy z localhosta (niedost\u0119pnego dla Sentry).<\/p>\n<p><\/p>\n<p><strong>Rozwi\u0105zania (Mapy \u0179r\u00f3d\u0142owe)<\/strong><\/p>\n<p><\/p>\n<p>Rozwi\u0105zanie tego problemu polega na uruchomieniu aplikacji z publicznego serwera internetowego. Jednym prostym rozwi\u0105zaniem jest u\u017cycie us\u0142ugi GitHub Pages (darmowo). Zwykle kroki do wykorzystania s\u0105 nast\u0119puj\u0105ce:<\/p>\n<p><\/p>\n<ol>\n<li>\n<p>Skopiuj zawarto\u015b\u0107 folderu <em>build<\/em> do folderu <em>docs<\/em> do g\u0142\u00f3wnego katalogu repozytorium.<\/p>\n<p>\n<\/li>\n<li>\n<p>W\u0142\u0105cz <em>GitHub Pages<\/em> w repozytorium (na GitHubie), aby u\u017cy\u0107 folderu docs w <em>master<\/em> ga\u0142\u0119zi<\/p>\n<p>\n<\/li>\n<li>\n<p>Przenie\u015b zmiany na GitHub<\/p>\n<p>\n<\/li>\n<\/ol>\n<p><\/p>\n<p><strong>Uwaga<\/strong>: po tym, jak zrozumia\u0142em, \u017ce musz\u0119 u\u017cy\u0107 <em>create-create-app<\/em> funkcji strony g\u0142\u00f3wnej do uruchomienia aplikacji. Ostatecznie sprowadza si\u0119 to do dodania nast\u0119puj\u0105cego do package.json:<\/p>\n<p><\/p>\n<pre><code class=\"plaintext\">\"homepage\": \"https:\/\/larkintuckerllc.github.io\/hello-sentry\/\"<\/code><\/pre>\n<p><\/p>\n<p>Ostateczna wersja uruchomionej aplikacji jest dost\u0119pna pod adresem:<\/p>\n<p><\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/larkintuckerllc.github.io\/hello-sentry\/\">https:\/\/larkintuckerllc.github.io\/hello-sentry\/<\/a><\/noindex><\/p>\n<p><\/p>\n<p><strong>Ilustracja z\u0142apanych b\u0142\u0119d\u00f3w<\/strong><\/p>\n<p><\/p>\n<p>Przejd\u017amy przez klikni\u0119cie przycisku Hello.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Sentry zdalne monitorowanie b\u0142\u0119d\u00f3w w aplikacjach frontendowych React\" src=\"\/wp-content\/uploads\/2020\/07\/1dbe7845b2e3d04933344d3d18dac01f.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Z b\u0142\u0119dem, kt\u00f3ry pojawia si\u0119 w nast\u0119puj\u0105cy spos\u00f3b:<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Sentry zdalne monitorowanie b\u0142\u0119d\u00f3w w aplikacjach frontendowych React\" src=\"\/wp-content\/uploads\/2020\/07\/621f0f12eb77b7dd413d168c35c141d4.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Obserwacje:<\/p>\n<p><\/p>\n<ul>\n<li>Ten raport o b\u0142\u0119dzie nie m\u00f3g\u0142 by\u0107 ja\u015bniejszy, <strong>BRAVO<\/strong>.<\/li>\n<\/ul>\n<p><\/p>\n<p><strong>Ilustracja nieuchwyconych b\u0142\u0119d\u00f3w<\/strong><\/p>\n<p><\/p>\n<p>Podobnie, przejd\u017amy przez klikni\u0119cie przycisku <em>Error<\/em>.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Sentry zdalne monitorowanie b\u0142\u0119d\u00f3w w aplikacjach frontendowych React\" src=\"\/wp-content\/uploads\/2020\/07\/65c07bc6db9f6b577ecb79dfd3336b38.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Z b\u0142\u0119dem, kt\u00f3ry pojawia si\u0119 w nast\u0119puj\u0105cy spos\u00f3b:<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Sentry zdalne monitorowanie b\u0142\u0119d\u00f3w w aplikacjach frontendowych React\" src=\"\/wp-content\/uploads\/2020\/07\/f4d668075885bb66ce0158588bff038c.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p><strong>Najlepsze przetwarzanie nieuchwyconych b\u0142\u0119d\u00f3w (renderowanie)<\/strong><\/p>\n<p><\/p>\n<blockquote><p>Wprowadzenie Granic B\u0142\u0119d\u00f3w<\/p>\n<p>B\u0142\u0105d JavaScript w cz\u0119\u015bci interfejsu u\u017cytkownika nie powinien zak\u0142\u00f3ca\u0107 dzia\u0142ania ca\u0142ej aplikacji. Aby rozwi\u0105za\u0107 ten problem dla u\u017cytkownik\u00f3w React, React 16 wprowadza now\u0105 koncepcj\u0119 \"granicy b\u0142\u0119d\u00f3w\".<\/p>\n<p>Granice b\u0142\u0119d\u00f3w to komponenty React, kt\u00f3re przechwytuj\u0105 b\u0142\u0119dy JavaScript w dowolnym miejscu swojego drzewa komponent\u00f3w, rejestruj\u0105 te b\u0142\u0119dy i wy\u015bwietlaj\u0105 zapasowy interfejs u\u017cytkownika zamiast uszkodzonego drzewa komponent\u00f3w. Granice b\u0142\u0119d\u00f3w \u0142api\u0105 b\u0142\u0119dy podczas renderowania, w metodach cyklu \u017cycia oraz w konstruktorach ca\u0142ego drzewa pod nimi.<\/p>\n<p>\u2026<\/p>\n<p>Nowe zachowanie dla nieuchwyconych b\u0142\u0119d\u00f3w<\/p>\n<p>Ta zmiana ma ogromne znaczenie. Pocz\u0105wszy od React 16, b\u0142\u0119dy, kt\u00f3re nie zosta\u0142y przechwycone przez \u017cadn\u0105 granic\u0119 b\u0142\u0119d\u00f3w, spowoduj\u0105 odmontowanie ca\u0142ego drzewa komponent\u00f3w React.<\/p>\n<p>\u2014 <em>Dan Abramov \u2014<\/em> <noindex><a rel=\"nofollow\" href=\"https:\/\/reactjs.org\/blog\/2017\/07\/26\/error-handling-in-react-16.html\"><em>Obs\u0142uga b\u0142\u0119d\u00f3w w React 16<\/em><\/a><\/noindex><\/p><\/blockquote>\n<p>Wa\u017cne wyja\u015bnienie, kt\u00f3re zaj\u0119\u0142o mi troch\u0119 czasu, zanim je zrozumia\u0142em, polega na tym, \u017ce <strong>powy\u017csze zachowanie dzia\u0142a tylko w przypadku b\u0142\u0119d\u00f3w generowanych w metodzie renderowania (lub, co bardziej prawdopodobne, w kt\u00f3rejkolwiek z metod cyklu \u017cycia)<\/strong>. Na przyk\u0142ad zastosowanie granic b\u0142\u0119d\u00f3w nie przynios\u0142oby \u017cadnych korzy\u015bci w przypadku naszej przycisku <em>Error<\/em>; ten b\u0142\u0105d wyst\u0119powa\u0142 w obs\u0142udze klikni\u0119cia.<\/p>\n<p><\/p>\n<p>Stw\u00f3rzmy przyk\u0142ad b\u0142\u0119du renderowania, a nast\u0119pnie u\u017cyjmy granic b\u0142\u0119d\u00f3w do bardziej eleganckiej obs\u0142ugi b\u0142\u0119d\u00f3w.<\/p>\n<p><\/p>\n<p><em>react-app \/ src \/ MyRenderError<\/em><\/p>\n<p><\/p>\n<pre><code class=\"plaintext\">import React, { Component } from &#039;react&#039;;\n\nexport default class MyRenderError extends Component {\n  state = {\n    flag: false,\n  };\n  render() {\n    const { flag } = this.state;\n    return (\n      &lt;div&gt;\n        &lt;button\n          onclick=&quot;{this.handleClick}&quot;\n        &gt;\n          B\u0142\u0105d renderowania\n        &lt;\/button&gt;\n        { flag &amp;amp;&amp;amp; &lt;div&gt;{flag.busted.bogus}&lt;\/div&gt; }\n      &lt;\/div&gt;\n    )\n  }\n\n  handleClick = () =&amp;gt; {\n    this.setState({\n      flag: true,\n    });\n  }\n}<\/code><\/pre>\n<p><\/p>\n<p>Obserwacja:<\/p>\n<p><\/p>\n<ul>\n<li>\n<p>Po naci\u015bni\u0119ciu przycisku, <em>React<\/em> zostanie wy\u015bwietlony <em>flag.busted.bogus<\/em>, co generuje b\u0142\u0105d<\/p>\n<p>\n<\/li>\n<li>\n<p>Bez granicy b\u0142\u0119d\u00f3w ca\u0142e drzewo komponent\u00f3w zostanie odmontowane<\/p>\n<p>\n<\/li>\n<\/ul>\n<p><\/p>\n<p>Nast\u0119pnie piszemy nasz kod granicy b\u0142\u0119d\u00f3w (u\u017cywa nowej metody cyklu \u017cycia <em>componentDidCatch<\/em>); to jest w zasadzie przyk\u0142ad podany w artykule Dana Abramova:<\/p>\n<p><\/p>\n<p><em>react-app \/ src \/ ErrorBoundary.js<\/em><\/p>\n<p><\/p>\n<pre><code class=\"plaintext\">import React, { Component } from &#039;react&#039;;\nimport * as Sentry from &#039;@sentry\/browser&#039;;\n\nexport default class ErrorBoundary extends Component {\n  constructor(props) {\n    super(props);\n    this.state = { hasError: false };\n  }\n\n  componentDidCatch(err, info) {\n    this.setState({ hasError: true });\n    Sentry.captureException(err);\n  }\n\n  render() {\n    if (this.state.hasError) {\n      return &lt;h1&gt;Co\u015b posz\u0142o nie tak.&lt;\/h1&gt;;\n    }\n    return this.props.children;\n  }\n}<\/code><\/pre>\n<p><\/p>\n<p>Na koniec u\u017cywamy tego komponentu:<\/p>\n<p><\/p>\n<p><em>react-app \/ src \/ App.js<\/em><\/p>\n<p><\/p>\n<pre><code class=\"plaintext\">...import MyRenderError from &#039;.\/MyRenderError&#039;;\n\nclass App extends Component {\n  render() {\n    return (\n      &lt;errorboundary&gt;\n        &lt;div classname=&quot;App&quot;&gt;\n          ...\n        &lt;\/div&gt;\n      &lt;\/errorboundary&gt;\n    );\n  }\n}\n...<\/code><\/pre>\n<p><\/p>\n<p>W tym przypadku naci\u015bni\u0119cie przycisku Render Error wy\u015bwietli zapasowy interfejs u\u017cytkownika i zg\u0142osi b\u0142\u0105d do Sentry.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Sentry zdalne monitorowanie b\u0142\u0119d\u00f3w w aplikacjach frontendowych React\" src=\"\/wp-content\/uploads\/2020\/07\/e410ee6355f5d423281fe278b638a09d.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Sentry zdalne monitorowanie b\u0142\u0119d\u00f3w w aplikacjach frontendowych React\" src=\"\/wp-content\/uploads\/2020\/07\/58183f6f6aef124e8d14acaaf7e0d4fe.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p><strong>Zako\u0144czenie<\/strong><\/p>\n<p><\/p>\n<p>Mam nadziej\u0119, \u017ce to by\u0142o pomocne.<\/p>\n<p><\/p>\n<p>P.S. <noindex><a rel=\"nofollow\" href=\"https:\/\/medium.com\/@johntucker_48673\/sentry-error-reporting-by-example-part-2-cd7b2f653be4\">Link do orygina\u0142u<\/a><\/noindex> <\/p>\n<p><\/p>\n<p>P.S. Czatuj na Telegramie o Sentry <noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/sentry_ru\">https:\/\/t.me\/sentry_ru<\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/509362\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041c\u044b \u0438\u0437\u0443\u0447\u0430\u0435\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 Sentry \u0441 React. \u042d\u0442\u0430 \u0441\u0442\u0430\u0442\u044c\u044f \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0447\u0430\u0441\u0442\u044c\u044e \u0441\u0435\u0440\u0438\u0438, \u043d\u0430\u0447\u0438\u043d\u0430\u044e\u0449\u0435\u0439\u0441\u044f \u0441 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u043e\u0431 \u043e\u0448\u0438\u0431\u043a\u0430\u0445 Sentry \u043d\u0430 \u043f\u0440\u0438\u043c\u0435\u0440\u0435: \u0427\u0430\u0441\u0442\u044c 1. \u0420\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f React \u0421\u043d\u0430\u0447\u0430\u043b\u0430 \u043d\u0430\u043c \u043d\u0443\u0436\u043d\u043e \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u043d\u043e\u0432\u044b\u0439 \u043f\u0440\u043e\u0435\u043a\u0442 Sentry \u0434\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f; \u0441 \u0441\u0430\u0439\u0442\u0430 Sentry. \u0412 \u044d\u0442\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u043c\u044b \u0432\u044b\u0431\u0438\u0440\u0430\u0435\u043c React. \u041c\u044b \u0432\u043d\u043e\u0432\u044c \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u0435\u043c \u043d\u0430\u0448\u0438 \u0434\u0432\u0435 \u043a\u043d\u043e\u043f\u043a\u0438, Hello \u0438 Error, \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u0441 React. \u041c\u044b [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":87209,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-87208","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041c\u044b \u0438\u0437\u0443\u0447\u0430\u0435\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 Sentry \u0441 React.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/pl\/blog\/administrirovanie\/sentry-udalennyj-monitoring-bagov-v-frontend-prilozheniyah-react\" \/>\n\t<meta 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