Ethereum Asked by abz on December 16, 2021
I am trying to upload an image to ipfs using ipfs.files.add() function
but it is causing me this error
Uncaught TypeError: Cannot read property 'add' of undefined
at App.onSubmit (App.js:70)
at HTMLUnknownElement.callCallback (react-dom.development.js:147)
at Object.invokeGuardedCallbackDev (react-dom.development.js:196)
at invokeGuardedCallback (react-dom.development.js:250)
at invokeGuardedCallbackAndCatchFirstError (react-dom.development.js:265)
at executeDispatch (react-dom.development.js:571)
at executeDispatchesInOrder (react-dom.development.js:596)
at executeDispatchesAndRelease (react-dom.development.js:695)
at executeDispatchesAndReleaseTopLevel (react-dom.development.js:704)
at forEachAccumulated (react-dom.development.js:676)
at runEventsInBatch (react-dom.development.js:844)
at runExtractedEventsInBatch (react-dom.development.js:852)
at handleTopLevel (react-dom.development.js:5025)
at batchedUpdates$1 (react-dom.development.js:19916)
at batchedUpdates (react-dom.development.js:2246)
at dispatchEvent (react-dom.development.js:5105)
at interactiveUpdates$1 (react-dom.development.js:19978)
at interactiveUpdates (react-dom.development.js:2267)
at dispatchInteractiveEvent (react-dom.development.js:5081)
The code:
captureFile(event){
event.preventDefault();
const file=event.target.files[0];
const reader=new window.FileReader();
reader.readAsArrayBuffer(file);
reader.onloadend = () => {
this.setState({buffer:Buffer(reader.result)});
console.log('buffer',this.state.buffer);
}
}
onSubmit(event){
event.preventDefault();
ipfs.files.add(this.state.buffer, ( error , result ) => {
if(error){
console.error(error);
}
else{
console.log("success");
}
this.setState({ipfshash : result[0].hash});
console.log('ipfshash',this.state.ipfshash);
}
);
}
I dont know whether you got the solution or not but I will tell you one solution
Please change ipfs.files.add
to ipfs.default.files.add
Try! Hope it helps you.
Answered by Suria on December 16, 2021
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