{"id":379,"date":"2017-05-27T16:16:39","date_gmt":"2017-05-27T14:16:39","guid":{"rendered":"http:\/\/antek.atthost24.pl\/?p=379"},"modified":"2017-05-27T16:16:39","modified_gmt":"2017-05-27T14:16:39","slug":"wrazenia-z-warsztatow-reactjs","status":"publish","type":"post","link":"https:\/\/blog.lantkowiak.pl\/index.php\/2017\/05\/27\/wrazenia-z-warsztatow-reactjs\/","title":{"rendered":"Wra\u017cenia z warsztat\u00f3w ReactJS"},"content":{"rendered":"

Dzisiaj opowiem o swoich wra\u017ceniach z warsztat\u00f3w ReactJS, na kt\u00f3rych ostatnio by\u0142em.<\/p>\n

Jakie warsztaty?<\/h3>\n

Warsztaty, o kt\u00f3rych mia\u0142em przyjemno\u015b\u0107 by\u0107 to\u00a0 „React.js dla programist\u00f3w znaj\u0105cych JS”. Spotkanie by\u0142 organizowane przez\u00a0DevMeetings<\/a>, we Wroc\u0142awiu. Celem warsztat\u00f3w, jak sama nazwa wskazuj\u0119 ;), by\u0142o wprowadzenie nas do Reacta oraz zbudowanie naszej pierwszej aplikacji w Reactie.<\/p>\n

Jaki by\u0142 materia\u0142?<\/h3>\n

Teraz kilka s\u0142\u00f3w o samym materiale, kt\u00f3ry by\u0142 poruszony w czasie warsztat\u00f3w.<\/p>\n

Kr\u00f3tkie przypomnienie JSa<\/h4>\n

Na pocz\u0105tku zosta\u0142o przypomniane kilka u\u017cytecznych funkcji JSowych, kt\u00f3re mia\u0142y si\u0119 przyda\u0107 w dalszej cz\u0119\u015bci kursu. Przypomnieli\u015bmy sobie o takich funkcjach jak:<\/p>\n

    \n
  • map\n
    const array = [1, 2, 3, 4, 5]\r\n\r\nfunction squareNumber(num) {\r\n    return num * num\r\n}\r\n\r\nconst squared = array.map(squareNumber)\r\n\r\nsquared \/\/ [1, 4, 9, 16, 25]\r\narray \/\/ [1, 2, 3, 4, 5]<\/pre>\n<\/li>\n
  • filter\n
    const array = [1, 2, 3, 4, 5]\r\n\r\nfunction biggerThan3(num) {\r\n    return num > 3;\r\n}\r\n\r\nconst selectedNumbers = array.filter(biggerThan3)\r\n\r\nselectedNumbers \/\/ [4, 5]\r\narray \/\/ [1, 2, 3, 4, 5]<\/pre>\n<\/li>\n
  • arrow functions\n
    const square = (num) => {\r\n    return num * num\r\n}\r\n\r\nconst sqaure2 = num => num * num;<\/pre>\n<\/li>\n
  • classes\n
    class Shape {\r\n    type = 'shape'\r\n\r\n    constructor(description) {\r\n        this.description = description\r\n    }\r\n}\r\n\r\nconst myShape = new Shape('random blob');<\/pre>\n<\/li>\n<\/ul>\n
    I w ko\u0144cu React!<\/h4>\n
    Czyli pora na mi\u0119so \ud83d\ude42<\/p>\n
      \n
    • pierwsza funkcja w ReactJS\n
      import React from 'react'\r\n\r\nfunction App() {\r\n    return (\r\n        <h1>Hello DevMeetings!<\/h1>\r\n    )\r\n}\r\n\r\nexport default App<\/pre>\n<\/li>\n
    • Komponenty\n
      import React from 'react'\r\n \r\nfunction FirstComponent({ item }) {\r\n    return (\r\n        <div>\r\n            <header>{ item.name }<\/header>\r\n            <p>\r\n                { item.description }\r\n            <\/p>\r\n        <\/div>\r\n    )\r\n}\r\n \r\nexport default FirstComponent<\/pre>\n<\/li>\n
    • Klasy\n
      import React, { Component } from 'react'\r\n \r\nclass FirstClass extends Component {\r\n    field = 'Field of my class!'\r\n \r\n    render() {\r\n        return (\r\n            <h1>{this.field}<\/h1>\r\n        )\r\n    }\r\n}\r\n \r\nexport default FirstClass<\/pre>\n<\/li>\n
    • Obs\u0142uga event\u00f3w\n
      buttonEventHandler = (event) => {\r\n\tconsole.log(event.target.textContent);\r\n}\r\n\r\nrender() {\r\n\treturn (\r\n\t\t<button onClick={this.buttonEventHandler}>Click me!<\/button>\r\n\t)\r\n}<\/pre>\n<\/li>\n
    • Obiekty stanowe\n
      state = {\r\n\tmyNumber: 0\r\n}\r\n\r\nbuttonEventHandler = () => {\r\n\tthis.setState({\r\n\t\tmyNumber: this.state.myNumber + 1\r\n\t})\r\n}<\/pre>\n<\/li>\n
    • Routing\n
      import React from 'react'\r\nimport { BrowserRouter, Route } from 'react-router-dom'\r\n\r\nimport MyPageComponent from '.\/components\/myPage'\r\n\r\nfunction App() {\r\n    return (\r\n        <BrowserRouter>\r\n            <div>\r\n                <Route path=\"\/myPage\" component={MyPageComponent}><\/Route>\r\n            <\/div>\r\n        <\/BrowserRouter>\r\n    )\r\n}\r\n\r\nexport default App<\/pre>\n
      Redux<\/h4>\n
      Czyli dodatek do Reacta, kt\u00f3ry s\u0142u\u017cy do zarz\u0105dzania stanem. aplikacji. Zosta\u0142 on wspomniany raczej na zasadzie ciekawostki czego si\u0119 u\u017cywa w powa\u017cnych aplikach ;). My nie mieli\u015bmy okazji go u\u017cywa\u0107 na warsztatach.<\/li>\n<\/ul>\n
      Moje wra\u017cenia<\/h3>\n
      I na ko\u0144cu kilka s\u0142\u00f3w o moich subiektywnych wra\u017ceniach z warsztat\u00f3w \ud83d\ude42<\/p>\n
      By\u0142 to dla mnie pierwszy kontakt z Reactem. Na tych kilku-godzinnych warsztatach dosta\u0142em wystarczaj\u0105co informacji, \u017ceby mie\u0107 jakiekolwiek poj\u0119cie z czym to si\u0119 je. Warsztaty dla mnie by\u0142y prowadzone w fajnej formie i wygl\u0105da\u0142o na to, \u017ce prowadz\u0105cy si\u0119 zna na rzeczy \ud83d\ude42<\/p>\n
      Jedynym minusem, kt\u00f3ry odnotowa\u0142em by\u0142 brak wcze\u015bniejszej informacji o wymaganych toolach. Przez to na pocz\u0105tku stracili\u015bmy oko\u0142o 30 minut czekaj\u0105c, a\u017c wszystkie osoby b\u0119d\u0105 mia\u0142y zainstalowane nodeJS itd. Po za t\u0105 drobnostk\u0105 wszystko by\u0142o ok \ud83d\ude42<\/p>\n
      Podsumowuj\u0105c – jestem zadowolony z warsztat\u00f3w i w przysz\u0142o\u015bci z ch\u0119ci\u0105 p\u00f3jd\u0119 na nie jeszcze raz jak pojawi si\u0119 interesuj\u0105cy temat \ud83d\ude42<\/p>\n","protected":false},"excerpt":{"rendered":"
      Dzisiaj opowiem o swoich wra\u017ceniach z warsztat\u00f3w ReactJS, na kt\u00f3rych ostatnio by\u0142em. Jakie warsztaty? Warsztaty, o kt\u00f3rych mia\u0142em przyjemno\u015b\u0107 by\u0107 to\u00a0 „React.js dla programist\u00f3w znaj\u0105cych JS”. Spotkanie by\u0142…<\/p>\n","protected":false},"author":1,"featured_media":380,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-379","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dsp2017"],"yoast_head":"\nWra\u017cenia z warsztat\u00f3w ReactJS - Lukasz Antkowiak's blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.lantkowiak.pl\/index.php\/2017\/05\/27\/wrazenia-z-warsztatow-reactjs\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Wra\u017cenia z warsztat\u00f3w ReactJS - Lukasz Antkowiak's blog\" \/>\n<meta property=\"og:description\" content=\"Dzisiaj opowiem o swoich wra\u017ceniach z warsztat\u00f3w ReactJS, na kt\u00f3rych ostatnio by\u0142em. 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