A Pen by Pappu Kumar Pashi on CodePen.
Created
August 7, 2020 10:29
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Save PappuKP/c0d85e1e4b822bafba80f20ec7128092 to your computer and use it in GitHub Desktop.
Build a Markdown Previewer FreeCodeCamp
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<div class="fluid-container"> | |
<div class="row"> | |
<div id="title" class="text-center col-xs-10 col-xs-offset-1 col-sm-8 col-sm-offset-2 col-md-6 col-md-offset-3"></div> | |
<div id="markdown-container" class="col-xs-12 col-sm-10 col-sm-offset-1 col-md-8 col-md-offset-2"></div> | |
</div> <!-- row --> | |
</div> <!-- fluid-container --> |
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/* | |
User Story: I can type GitHub-flavored Markdown into a text area. | |
User Story: I can see a preview of the output of my markdown that is updated as I type. | |
*/ | |
// clear the console | |
console.clear(); | |
// title component | |
let Title = React.createClass({ | |
render: function() { | |
let titleClass = 'heading-text-one'; | |
let codedByClass = 'heading-text-two'; | |
return ( | |
<div> | |
<h1 className={titleClass}>{this.props.title}</h1> | |
<h5 className={codedByClass}>Coded by <a target="_blank" href="https://www.freecodecamp.com/pappu_kumar_pashi">Pappu Kumar Pashi</a></h5> | |
</div> | |
) | |
} | |
}); | |
ReactDOM.render( | |
<Title title='Markdown Previewer'/>, | |
document.getElementById('title') | |
); | |
// tip component | |
let Tips = React.createClass({ | |
propTypes: { | |
tipArr: React.PropTypes.array | |
}, | |
getInitialState: function() { | |
return { | |
counter: 0 | |
} | |
}, | |
_incrementCounter: function() { | |
if (this.state.counter >= this.props.tipArr.length - 1) { | |
this.setState({counter: 0}); | |
} else { | |
this.setState({counter: this.state.counter + 1}); | |
} | |
}, | |
componentDidMount: function() { | |
let myInterval = setInterval(this._incrementCounter, 10000); | |
this.setState({myInterval: myInterval}); | |
}, | |
render: function() { | |
let classes = 'heading-text-one'; | |
return ( | |
<div> | |
<h5 className={classes} dangerouslySetInnerHTML={{__html:this.props.tipArr[this.state.counter]}}></h5> | |
</div> | |
) | |
} | |
}); | |
/*ReactDOM.render( | |
<Tips tipArr={[ | |
"Use # before text to create an H1.", | |
"Use ## before text to create an H2." | |
]}/>, | |
document.getElementById('tips') | |
);*/ | |
// markdown and output | |
marked.setOptions({ | |
renderer: new marked.Renderer(), | |
gfm: true, | |
tables: true, | |
breaks: true, | |
pedantic: false, | |
sanitize: false, | |
smartLists: true, | |
smartypants: false | |
}); | |
let MarkdownOutput = React.createClass({ | |
render: function() { | |
return ( | |
<div> | |
<h4>Markdown Output</h4> | |
<hr></hr> | |
<div dangerouslySetInnerHTML={{__html: marked(this.props.value)}}></div> | |
</div> | |
) | |
} | |
}); | |
let MarkdownContainer = React.createClass({ | |
getInitialState: function() { | |
return { | |
value: '## This is some markdown\n### Consider making your own\n\n#### List items\n- George\n- Paul\n- Ringo\n- John\n\n#### Make it **bold** or make it *italic*\n\n#### Create links [Github](https://github.com/PappuKP)' | |
} | |
}, | |
handleChange(event) { | |
this.setState({value: event.target.value}); | |
}, | |
render: function() { | |
console.log(marked(this.state.value)); | |
let containerClass = 'rounded-corners container-class col-xs-12 col-md-6'; | |
return( | |
<div> | |
<div className={containerClass}> | |
<h4>Markdown Input</h4> | |
<hr></hr> | |
<textarea className="markdown-text" onChange={this.handleChange} value={this.state.value}/> | |
<hr></hr> | |
<Tips className='text-center' tipArr={[ | |
"Use # before text to create an h1.", | |
"Use ** ** or __ __ to make text <b>bold</b>.", | |
"Use ## before text to create an h2.", | |
"Use * * or _ _ to make text <i>italic</i>.", | |
"Denote sections of code with ``` ```." | |
]}/> | |
</div> | |
<div className={containerClass}> | |
<MarkdownOutput value={this.state.value}/> | |
</div> | |
</div> | |
) | |
} | |
}); | |
ReactDOM.render( | |
<MarkdownContainer />, | |
document.getElementById('markdown-container') | |
); |
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<script src="https://cdnjs.cloudflare.com/ajax/libs/marked/0.3.6/marked.min.js"></script> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.3.1/react.js"></script> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.3.1/react-dom.js"></script> |
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// font | |
$markdown: 'Source Code Pro', monospace; | |
$title: 'Eczar', serif; | |
$codedby: 'Lobster Two', cursive; | |
// color | |
$bodyBackground: #E8DAEF; | |
$borders: #89466F; | |
// element | |
body { | |
background-color: $bodyBackground; | |
width: 98%; | |
} | |
hr { | |
padding-top: 0px; | |
margin-top: 0px; | |
border-color: $borders; | |
margin-bottom: 10px; | |
} | |
textarea { | |
width: 100%; | |
min-width: 100%; | |
max-width: 100%; | |
height: 400px; | |
min-height: 400px; | |
max-height: 400px; | |
margin-bottom: 10px; | |
} | |
// class | |
.heading-text-one { | |
font-family: $title; | |
} | |
.heading-text-two { | |
margin-top: 0px; | |
font-family: $codedby; | |
} | |
.markdown-text { | |
font-family: $markdown; | |
} | |
.container-class { | |
background-color: white; | |
border: 2px solid $borders; | |
height: 500px; | |
} | |
.rounded-corners { | |
border-radius: 10px; | |
} |
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<link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" /> |
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