Created
April 20, 2019 03:21
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The React refs keep dissapearing
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async beginDownload() { | |
if (this.state.downloadURL) { | |
const that = this; // lol I know | |
const onStatusChange = async function (status) { | |
if (status === 2 || status === 3) { | |
that.forceUpdate(); | |
// this.props.remove.bind(this)(); | |
} | |
}; | |
const remove = function () { | |
function getIndex(array) { | |
return array.findIndex(i => i.key === download.key); | |
} | |
const index = getIndex(that.state.activeDownloads); | |
that.state.activeDownloads.splice(index, 1); | |
console.log(that.state.activeDownloads.slice(index, 1)); | |
that.forceUpdate(); | |
}; | |
const url = this.state.downloadURL, | |
name = this.state.downloadName, | |
headers = this.state.customHeaders; | |
const download = <DownloadComp | |
url={url} | |
name={name} | |
customHeaders={headers} | |
onComplete={function (err) { | |
if (!err) | |
this.props.remove.bind(this)(); | |
that.next(this) | |
}} | |
onStatusChange={onStatusChange} | |
alert={box => this.alert(box)} | |
id={this.state.activeDownloads.length + 1} | |
remove={remove} | |
updateTaskBarProgress={(index, progress) => this.updateTaskBarValue(index, progress)} | |
key={`download${this.state.downloadNums}`} | |
ref={this.me}/>; | |
await this.setState(prev => ({ | |
activeDownloads: [...prev.activeDownloads, download], | |
downloadNums: prev.downloadNums + 1 | |
})); | |
await App.addToDownloadHistory(this.state.downloadURL, this.state.downloadName, this.state.customHeaders); | |
this.closePrompt(); | |
console.log("Refs", this.state.activeDownloads.map(i => i.ref.current)); | |
if (this.state.activeDownloads.length === 1) { | |
// this.state.activeDownloads[0].ref.current.startDownload(); | |
this.next(); | |
} | |
} else { | |
this.setState({requiredField: true}); | |
} | |
} | |
next(download) { | |
if (download) { | |
console.log("Refs", download.startDownload); | |
this.setState(prev => ({ | |
inactiveDownloads: [...(prev.inactiveDownloads || []), | |
<DownloadDisplayComp key={`downloadDisplay${this.state.downloadNums}`} | |
contents={{...download.state}}/>] | |
})); | |
} | |
if (this.state.activeDownloads[0]) | |
this.state.activeDownloads[0].ref.current.startDownload(); | |
} |
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