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July 18, 2021 08:09
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Save harlantwood/58990ebe47b54e05020a13a45a124dff to your computer and use it in GitHub Desktop.
Upload a binary file to IPFS via React.
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| // This is DEPRECATED, see a full running example here instead: | |
| // https://github.com/ipfs/js-ipfs-api/tree/97f6ed27d72b189c02865cb0fdd4f58fafd89625/examples/upload-file-via-browser | |
| import React from 'react' | |
| import IpfsApi from 'ipfs-api' | |
| const Buffer = require('buffer/').Buffer | |
| export default class AddMedia extends React.Component { | |
| constructor { | |
| config = {} // set to your IPFS host, port, etc | |
| this.ipfsApi = IpfsApi(config) | |
| } | |
| captureFile = (event) => { | |
| event.stopPropagation() | |
| event.preventDefault() | |
| const file = event.target.files[0] | |
| let reader = new FileReader() | |
| reader.onloadend = () => this.saveToIpfs(reader) | |
| reader.readAsArrayBuffer(file) | |
| } | |
| saveToIpfs = (reader) => { | |
| // console.log(this.arrayBufferToString(reader.result)) | |
| let ipfsId | |
| const buffer = Buffer.from(reader.result) | |
| this.ipfsApi.add(buffer) | |
| .then((response) => { | |
| ipfsId = response[0].Hash | |
| console.log(ipfsId) | |
| }) | |
| } | |
| arrayBufferToString = (arrayBuffer) => { | |
| return String.fromCharCode.apply(null, new Uint16Array(arrayBuffer)) | |
| } | |
| handleSubmit = (event) => { | |
| event.preventDefault() | |
| } | |
| render () { | |
| return ( | |
| <form id="captureMedia" onSubmit={this.handleSubmit}> | |
| <input type="file" onChange={this.captureFile} /> | |
| </form> | |
| ) | |
| } | |
| } |
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| { | |
| "dependencies": { | |
| "buffer": "4.7.0", | |
| "ipfs-api": "4.1.1", | |
| } | |
| } |
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A full running example: https://github.com/ipfs/js-ipfs-api/tree/97f6ed27d72b189c02865cb0fdd4f58fafd89625/examples/upload-file-via-browser