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/** @jsx React.DOM */ | |
var ReadingTimeWidget = React.createClass({ | |
getInitialState: function() { | |
return ({ | |
secondsRequired: null, | |
}); | |
}, | |
componentWillMount: function() { | |
var cdiv = this.props.contentDiv; | |
var wpm = 250; | |
if (typeof this.props.wpm !== 'undefined') { | |
wpm = this.props.wpm; | |
} | |
var text = cdiv.text() | |
.replace(/\s+/g, ' ') | |
.split(' ') | |
.filter(function(e) { | |
return (e.length > 1); | |
}); | |
this.setState({ secondsRequired: Math.round(text.length / wpm * 60) }); | |
}, | |
render: function() { | |
var message = ''; | |
if (this.state.secondsRequired != null) { | |
var seconds = this.state.secondsRequired; | |
var minutes = Math.round(seconds / 60); | |
message = minutes + ' minute read'; | |
} else { | |
message = 'Calculating reading time...'; | |
} | |
return ( | |
<span id='reading_time'> | |
<span className='iconic clock' /> | |
{message} | |
</span> | |
); | |
} | |
}); | |
$(document).ready(function() { | |
var mountPoint = $('#reading_time_mount'); | |
if (mountPoint) { | |
var contentDiv = $('#main_content'); | |
React.renderComponent( | |
<ReadingTimeWidget contentDiv={contentDiv} wpm={200} />, | |
mountPoint.get(0)); | |
} | |
}); |
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