Level-blobs NPM

level-blobs

Save binary blobs in level and stream then back. Similar to level-store but streams2 and with support for random access writes and reads

npm install level-blobs

Usage

var blobs = require('level-blobs');
var level = require('level');

var db = level('/tmp/my-blobs-db');
var bl = blobs(db);

// create a write stream
var ws = blobs.createWriteStream('my-file.txt');

ws.on('finish', function() {
	// lets read the blob and pipe it to stdout
	var rs = blobs.createReadStream('my-file.txt');
	rs.pipe(process.stdout);
});

ws.write('hello ');
ws.write('world');
ws.end();

API

`blobs(db, opts)`

Create a new blobs instance. Options default to

{
	blockSize: 65536, // byte size for each block of data stored
	batch: 100        // batch at max 100 blocks when writing
}

`bl.createReadStream(name, opts)`

Create a read stream for name. Options default to

{
	start: 0       // start reading from this byte offset
	end: Infinity  // end at end-of-file or this offset (inclusive)
}

`bl.createWriteStream(name, opts)`

Create a write stream to name. Options default to

{
	start: 0       // start writing at this offset
	               // if append === true start defaults to end-of-file
	append: false  // set to true if you want to append to the file
	               // if not true the file will be truncated before writing
}