Created
July 10, 2016 12:49
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React Life Cycle
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var isLoaded=false; | |
var LifeCycle = React.createClass({ | |
getInitialState(){ | |
$('#output').append("getInitialState\n"); | |
return{ | |
childFoobar: false | |
}; | |
}, | |
getDefaultProps(props){ | |
console.log(this.props,props); | |
$('#output').append("[로딩될 때]\n\n"); | |
$('#output').append("getDefaultProps\n"); | |
return{} | |
}, | |
componentWillReceiveProps(nextProps){ | |
console.log('componentWillReceiveProps is called'); | |
$('#output').append("componentWillReceiveProps\n"); | |
if(nextProps.childFoobar){ | |
this.setState({ | |
childFoobar: nextProps.childFoobar | |
}); | |
} | |
}, | |
componentWillMount(){ | |
$('#output').append("componentWillMount\n"); | |
}, | |
componentDidMount(){ | |
$('#output').append("componentDidMount\n"); | |
}, | |
shouldComponentUpdate(){ | |
$('#output').append("shouldComponentUpdate\n"); | |
//return true; | |
}, | |
componentWillUpdate(){ | |
$('#output').append("componentWillUpdate\n"); | |
}, | |
componentDidUpdate(){ | |
$('#output').append("componentDidUpdate\n"); | |
}, | |
componentWillUnmount(){ | |
$('#output').append("componentWillUnmount\n"); | |
}, | |
changeState(){ | |
$('#output').append("\n[state가 바뀔 때]\n\n"); | |
this.setState({ | |
childFoobar :true | |
}); | |
}, | |
render(){ | |
$('#output').append("render\n"); | |
return( | |
<div className="lifecycle"> | |
<a href="#" onClick={this.changeState}>state가 바뀔때(클릭)</a> | |
</div> | |
); | |
} | |
}); | |
var LifeCycleParent = React.createClass({ | |
getDefaultProps(props){ | |
$('#output').append("Parent getDefaultProps\n"); | |
return{} | |
}, | |
getInitialState(){ | |
return{ | |
isFoobar: false, | |
childFoobar : false | |
}; | |
}, | |
changeProps(){ | |
$('#output').append("\n[props가 바뀔 때]\n\n"); | |
this.setState({ | |
isFoobar: true, | |
childFoobar :false | |
}); | |
}, | |
render(){ | |
return(<div className="lParent"> | |
<a href="#" onClick={this.changeProps}>props가 바뀔때</a> | |
<LifeCycle isFoobar={this.state.isFoobar} childFoobar={this.state.childFoobar}/></div>) | |
} | |
}); | |
var reset = function(){ $('#output').empty();} | |
$('#loading').click(()=>{ | |
if(!isLoaded){ | |
isLoaded=true; | |
reset(); | |
ReactDOM.render(<LifeCycleParent />, document.getElementById("app")); | |
} | |
}); | |
$('#unloading').click(()=>{ | |
if(isLoaded){ | |
isLoaded=false; | |
reset(); | |
ReactDOM.unmountComponentAtNode(document.getElementById("app")); | |
} | |
}); |
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