NotAKeynote

My <React.NotAConf /> Keynote: 🤔😅⁇

http://react-not-a-conf.com/

Transcript

1. !"??
   Radoslav Stankov 28/04/2018
   

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2. Radoslav Stankov
   @rstankov
   
   http://rstankov.com
   
   http://github.com/rstankov
   

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5. !"??
   

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6. !
   

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8. "BG"
   

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9. "BG".replace(/./g, c => String.fromCodePoint(c.charCodeAt(0) + 127397));
   

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10. "BG".replace(/./g, c => String.fromCodePoint(c.charCodeAt(0) + 127397)); === #
    

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11. "$" + "\u200D" + "❤" + "\u200D" + "&"
    

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12. "$" + "\u200D" + "❤" + "\u200D" + "&" === "'"
    

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13. "$" + "\u200D" + "❤" + "\u200D" + "&" === "'"
    ZWJ
    Zero Width Joiner
    

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14. "$" + "\u200D" + "("
    

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15. "$" + "\u200D" + "(" === ")"
    

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16. "$" + "*" + "\u200D" + "(" === "+"
    

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17. View Slide

18. ...but I'm not going to talk about emojis today "
    

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19. 
    

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21. "
    

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22. !"??
    ??
    

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23. ??
    

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30. View Slide

31. , JavaScript Fatigue
    

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33. What framework to use?
    How to manage state?
    How to fetch data?
    Which router to use?
    Which calendar component to use?
    Which chart component to use?

    ...
    !
    

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34. Medium
    easy

    to change
    Big
    Medium
    Small
    Medium
    Small
    Small
    Small
    Small Small
    hard
    to change
    simple complex
    * totally unscientific chart -
    

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35. Medium
    easy

    to change
    Big
    Medium
    Small
    Medium
    Small
    Small
    Small
    Small Small
    hard
    to change
    simple complex
    * totally unscientific chart -
    

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36. What framework to use?
    How to manage state?
    How to fetch data?
    Which router to use?
    Which calendar component to use?
    Which chart component to use?

    ...
    !
    

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37. What framework to use?
    How to manage state?
    How to fetch data?
    Which router to use?
    Which calendar component to use?
    Which chart component to use?

    ...
    !
    

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38. What ecosystem to choose?
    How to manage state?
    How to fetch data?
    Which router to use?
    Which calendar component use?
    Which chart component use?

    ...
    !
    

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39. What ecosystem to choose?
    How to manage state?
    How to fetch data?
    Which router to use?
    Which calendar component use?
    Which chart component use?

    ...
    !
    

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41. History of JS Ecosystem
    

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42. History of JS Ecosystem
    2005
    

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43. History of JS Ecosystem
    2005 2006
    

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44. History of JS Ecosystem
    2005 2010
    2006
    

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45. History of JS Ecosystem
    2005 2010
    2006
    

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46. History of JS Ecosystem
    2005 2013
    2010
    2006
    

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47. History of JS Ecosystem
    2005 2018
    2013
    2010
    2006
    

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48. What ecosystem to choose?
    How to manage state?
    How to fetch data?
    Which router to use?
    Which calendar component use?
    Which chart component use?

    ...
    !
    

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51. What ecosystem to choose?
    How to manage state?
    How to fetch data?
    Which router to use?
    Which calendar component use?
    Which chart component use?

    ...
    !
    

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52. Medium
    easy

    to change
    Big
    Medium
    Small
    Medium
    Small
    Small
    Small
    Small Small
    hard
    to change
    simple complex
    * totally unscientific chart -
    

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54. History of React Ecosystem
    2013 2018
    

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55. History of React Ecosystem
    2013 2018
    2014
    

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56. History of React Ecosystem
    2013 2018
    2014 2015
    

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57. History of React Ecosystem
    2013 2018
    2014 2015
    

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58. History of React Ecosystem
    2013 2018
    2014 2015 2016
    

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59. History of React Ecosystem
    2013 2018
    2014 2015 2016
    Concepts
    

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60. History of React Ecosystem
    2013 2018
    2014 2015 2016
    Libraries
    

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61. History of React Ecosystem
    2013 2018
    2014 2015 2016
    

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64. What ecosystem to choose?
    How to manage state?
    How to fetch data?
    Which router to use?
    Which calendar component use?
    Which chart component use?

    ...
    !
    

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65. Medium
    easy

    to change
    Big
    Medium
    Small
    Medium
    Small
    Small
    Small
    Small Small
    hard
    to change
    simple complex
    * totally unscientific chart -
    

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66. ...imagine starting a new project .
    

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72. Who is developer worst enemy?
    

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73. / The designer
    Who is developer worst enemy?
    

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74. / The designer
    0 The QA
    Who is developer worst enemy?
    

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75. / The designer
    0 The QA
    1 The sys admin
    Who is developer worst enemy?
    

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76. / The designer
    0 The QA
    1 The sys admin
    2 The project owner
    Who is developer worst enemy?
    

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77. / The designer
    0 The QA
    1 The sys admin
    2 The project owner
    3 Santa
    Who is developer worst enemy?
    

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78. / The designer
    0 The QA
    1 The sys admin
    2 The project owner
    3 Santa
    4 Code coupling
    Who is developer worst enemy?
    

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79. / The designer
    0 The QA
    1 The sys admin
    2 The project owner
    3 Santa
    4 Code coupling
    Who is developer worst enemy?
    

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80. 4 Code coupling
    

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81. // pages/Home/index.js
    import * as React from 'react';
    import { Jumbotron } from 'react-bootstrap';
    import { Link } from 'react-router';
    import moment from 'moment';
    import styles from './styles.css';
    import globalStyles from 'styles/global.css';
    import classNames from 'classNames';
    import FancyTime from 'fancy-time'
    export default class Page extends React.Component {
    state = {
    time: new Date(),
    };
    componentDidMount() {
    this.interval = setInterval(this.updateTime, 1000);
    }
    componentWillUnmount() {
    clearInterval(this.interval);
    this.interval = null;
    }
    updateTime = () => {
    this.setState({ time: new Date() });
    }
    render() {
    const { time } = this.state.time;
    return (
    
    Conference
    
    

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82. export default class Page extends React.Component {
    state = {
    time: new Date(),
    };
    componentDidMount() {
    this.interval = setInterval(this.updateTime, 1000);
    }
    componentWillUnmount() {
    clearInterval(this.interval);
    this.interval = null;
    }
    updateTime = () => {
    this.setState({ time: new Date() });
    }
    render() {
    const { time } = this.state.time;
    return (
    
    Conference
    
    className={className(styles.clock, globalStyles.time)}
    datetime={moment(time).format()}>
    {moment(time).format('HH:mm')}
    
    Schedule
    Venue
    
    
    );
    }
    }
    

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83. Reasons for change
    

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84. Component
    Dependency Dependency Dependency
    

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85. Component
    Dependency Dependency Dependency
    Component Component
    Dependency Dependency
    

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86. Component
    Component Component
    Dependency
    nent Comp
    Dependency
    Dependency
    Dependency Dependency Dependency Dependency Dep
    cy
    

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87. Control changes
    

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88. Component
    Dependency Dependency
    

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89. Component
    Dependency Dependency
    Component
    

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90. Component
    Dependency Dependency
    Component
    Component Component
    

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91. Time
    Moment FancyTime
    Page
    Page Page
    

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92. export default class Page extends React.Component {
    state = {
    time: new Date(),
    };
    componentDidMount() {
    this.interval = setInterval(this.updateTime, 1000);
    }
    componentWillUnmount() {
    clearInterval(this.interval);
    this.interval = null;
    }
    updateTime = () => {
    this.setState({ time: new Date() });
    }
    render() {
    const { time } = this.state.time;
    return (
    
    Conference
    
    className={className(styles.clock, globalStyles.time)}
    datetime={moment(time).format()}>
    {moment(time).format('HH:mm')}
    
    Schedule
    Venue
    
    
    );
    }
    }
    

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93. export default class Page extends React.Component {
    state = {
    time: new Date(),
    };
    componentDidMount() {
    this.interval = setInterval(this.updateTime, 1000);
    }
    componentWillUnmount() {
    clearInterval(this.interval);
    this.interval = null;
    }
    updateTime = () => {
    this.setState({ time: new Date() });
    }
    render() {
    const { time } = this.state.time;
    return (
    
    Conference
    
    
    Schedule
    Venue
    
    
    );
    }
    }
    

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94. // components/Time/index.js
    import * as React from 'react';
    import classNames from 'classNames';
    import styles from './styles.css';
    import moment from 'moment';
    import FancyTime from 'fancy-time';
    export default function Time({ className, time }) {
    return (
    className={className(styles.time, className)}
    datetime={moment(time).format()}>
    {moment(time).format('HH:mm')}
    
    );
    }
    

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95. Time
    Moment FancyTime
    Page
    Page Page
    

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96. Time
    Utils FancyTime
    Page
    Page Page
    Moment
    

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97. // components/Time/index.js
    import * as React from 'react';
    import classNames from 'classNames';
    import styles from './styles.css';
    import { formatTime } from './utils';
    import FancyTime from 'fancy-time';
    export default function Time({ className, time }) {
    return (
    className={className(styles.time, className)}
    datetime={formatTime('full'}>
    {formatTime('clock')}
    
    );
    }
    // components/Time/utils.js
    import moment from 'moment';
    const FORMATS = {
    'full': null,
    'clock': 'HH:mm',
    };
    export function formatTime(time, kind) {
    const format = FORMATS[kind]
    return moment(time).format(format);
    }
    

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98. // pages/Home/index.js
    import * as React from 'react';
    import { Jumbotron } from 'react-bootstrap';
    import { Link } from 'react-router';
    import styles from './styles.css';
    import globalStyles from 'styles/global.css';
    import classNames from 'classNames';

    import Time from 'components/Time';
    export default class Page extends React.Component {
    state = {
    time: new Date(),
    };
    componentDidMount() {
    this.interval = setInterval(this.updateTime, 1000);
    }
    componentWillUnmount() {
    clearInterval(this.interval);
    this.interval = null;
    }
    updateTime = () => {
    this.setState({ time: new Date() });
    }
    render() {
    const { time } = this.state.time;
    return (
    
    Conference
    
    

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99. // pages/Home/index.js
    import * as React from 'react';
    import { Jumbotron } from 'react-bootstrap';
    import { Link } from 'react-router';
    import styles from './styles.css';
    import globalStyles from 'styles/global.css';
    import classNames from 'classNames';
    import Time from 'components/Time';
    import Clock from 'components/Clock';
    export default class Page extends React.Component {
    render() {
    return (
    
    Conference
    
    
    {(time) => }
    
    Schedule
    Venue
    
    
    );
    }
    }
    

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100. // pages/Home/index.js
     import * as React from 'react';
     import { Jumbotron } from 'react-bootstrap';
     import { Link } from 'react-router';
     import styles from './styles.css';
     import globalStyles from 'styles/global.css';
     import classNames from 'classNames';
     import Time from 'components/Time';
     import Clock from 'components/Clock';
     export default class Page extends React.Component {
     render() {
     return (
     
     Conference
     
     
     {(time) => }
     
     Schedule
     Venue
     
     
     );
     }
     }
     

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101. // pages/Home/index.js
     import * as React from 'react';
     import { Link } from 'react-router';
     import Time from 'components/Time';
     import Clock from 'components/Clock';
     import Jumbotron from 'components/Jumbotron';
     export default function Page() {
     return (
     
     
     {(time) => }
     
     Schedule
     Venue
     
     );
     }
     

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102. // paths.js
     export default {
     schedule() {
     return '/schedule';
     },
     venue() {
     return '/venue';
     }
     };
     

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103. // pages/Home/index.js
     import * as React from 'react';
     import { Link } from 'react-router';
     import paths from 'paths';
     import Time from 'components/Time';
     import Clock from 'components/Clock';
     import Jumbotron from 'components/Jumbotron';
     export default function Page() {
     return (
     
     
     {(time) => }
     
     Schedule
     Venue
     
     );
     }
     

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104. // pages/Home/index.js
     import * as React from 'react';
     import { Link } from 'react-router';
     import paths from 'paths';
     import Time from 'components/Time';
     import Clock from 'components/Clock';
     import Jumbotron from 'components/Jumbotron';
     export default function Page() {
     return (
     
     
     {(time) => }
     
     Schedule
     Venue
     
     );
     }
     

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105. // components/Link/index.js
     import { Link } from 'react-router';
     export default function Link({ to, className, children }) {
     return (
     {children}
     );
     }
     

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106. // components/Link/index.js
     import { Link } from 'found';
     export default function Link({ to, className, children }) {
     return (
     {children}
     );
     }
     

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109. "
     

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112. Thanks 5
     

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