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@mandaputtra
Created January 12, 2022 11:36
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3rd Lib

  • axios
  • fastify
  • fastify-multipart
const fastify = require('fastify')()
const fs = require('fs')
const util = require('util')
const path = require('path')
const { pipeline } = require('stream')
const pump = util.promisify(pipeline)
fastify.register(require('fastify-multipart'))
fastify.post('/', async function (req, reply) {
// process a single file
// also, consider that if you allow to upload multiple files
// you must consume all files otherwise the promise will never fulfill
const data = await req.file()
data.file // stream
data.fields // other parsed parts
data.fieldname
data.filename
data.encoding
data.mimetype
// to accumulate the file in memory! Be careful!
//
// await data.toBuffer() // Buffer
//
// or
await pump(data.file, fs.createWriteStream(data.filename))
// be careful of permission issues on disk and not overwrite
// sensitive files that could cause security risks
// also, consider that if the file stream is not consumed, the promise will never fulfill
reply.send()
})
fastify.listen(3000, err => {
if (err) throw err
console.log(`server listening on ${fastify.server.address().port}`)
})
<input type="file" onChange={onChange} accept ="image/*"/>
<script>
const onChange = (e) => {
let url = "http://localhost:3000/";
let file = e.target.files[0];
uploadFile(url, file);
};
const uploadFile = (url, file) => {
let formData = new FormData();
formData.append("file", file);
axios.post(url, formData, {
headers: {
"Content-Type": "multipart/form-data",
},
}).then((response) => {
fnSuccess(response);
}).catch((error) => {
fnFail(error);
});
};
const fnSuccess = (response) => {
//Add success handling
};
const fnFail = (error) => {
//Add failed handling
};
</script>
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