1.8 KiB
1.8 KiB
fetch-blob
A Blob implementation in Node.js, originally from node-fetch.
Installation
npm install fetch-blob
Usage
const Blob = require('fetch-blob');
const fetch = require('node-fetch');
fetch('https://httpbin.org/post', {
method: 'POST',
body: new Blob(['Hello World'], { type: 'text/plain' })
})
.then(res => res.json());
.then(json => console.log(json));
Blob part backed up by filesystem
To use, install domexception.
npm install fetch-blob domexception
const blobFrom = require('fetch-blob/from.js');
const blob1 = blobFrom('./2-GiB-file.bin');
const blob2 = blobFrom('./2-GiB-file.bin');
// Not a 4 GiB memory snapshot, just holds 3 references
// points to where data is located on the disk
const blob = new Blob([blob1, blob2]);
console.log(blob.size) // 4 GiB
See the MDN documentation and tests for more details.