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Dominic / multiblob



forked from Dominic / multiblob

Branch:

Anders Rune Jensen committed Remove temporary file if it fails to downloadLatest: 88800d8 on 12/9/2016, 2:42:31 PM
📄LICENSE
📄README.md
📄bin.js
📄index.js
📄package.json
📁test
📄util.js

multiblob

A content-addressable-store that supports multiple hashing algorithms, and pull-streams.

example


var Blobs = require('multiblob')

var blobs = Blobs({dir:dir, alg: 'sha256'}) //pass in the basedir & hash alg

pull(source, blobs.add(function (err, hash) {
  console.log('added source to blobs:', hash)
})

api: Blobs(config)

add (hash?, cb?) => Sink

create a sink stream for writing a blob. If hash was given, then it will error if the file turned out to be different. If a cb is not given and there was an error, this function will throw.

get (hash || opts) => Source

create a source stream that reads from a given blob. If the file does not exist this stream will error.

If the argument is a hash string, then return the stream. If the argument is an opts object, with the key: hash property, retrive that blob, but error if the size does not exactly match the size property, or is over max property (in bytes)

has(hash, cb)

check if the given hash is in the store. If hash is an array of hashes, size will callback with an array of booleans.

size(hash, cb)

get the size of this blob. If hash is an array of hashes, size will callback with an array of sizes. If the hash does not exist in the store, size will callback null.

ls() => Source

source stream that reads the list of hashes available in the store.

rm(hash, cb)

remove a hash from the store.

todo

maybe emit events when blobs are stored?

License

MIT


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