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multihashes - npm Package Compare versions

Comparing version 1.0.1 to 2.0.0

10

CHANGELOG.md

@@ -0,1 +1,11 @@

<a name="2.0.0"></a>
# [2.0.0](https://github.com/multiformats/js-multihash/compare/v1.0.1...v2.0.0) (2020-07-30)
### Features
* accept Uint8Arrays input in place of Buffers ([#88](https://github.com/multiformats/js-multihash/issues/88)) ([4bc2a05](https://github.com/multiformats/js-multihash/commit/4bc2a05))
<a name="1.0.1"></a>

@@ -2,0 +12,0 @@ ## [1.0.1](https://github.com/multiformats/js-multihash/compare/v1.0.0...v1.0.1) (2020-06-19)

2

dist/index.min.js
/*! For license information please see index.min.js.LICENSE.txt */
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8

package.json
{
"name": "multihashes",
"version": "1.0.1",
"version": "2.0.0",
"description": "multihash implementation",

@@ -35,4 +35,5 @@ "keywords": [

"buffer": "^5.6.0",
"multibase": "^1.0.1",
"varint": "^5.0.0"
"multibase": "^2.0.0",
"varint": "^5.0.0",
"web-encoding": "^1.0.2"
},

@@ -57,2 +58,3 @@ "devDependencies": {

"kumavis <aaron@kumavis.me>",
"Irakli Gozalishvili <contact@gozala.io>",
"Fil <fil@rezo.net>",

@@ -59,0 +61,0 @@ "Donald Tsang <brandonknlee@gmail.com>",

71

src/index.js

@@ -0,1 +1,2 @@

// @ts-check
/* eslint-disable guard-for-in */

@@ -13,3 +14,5 @@ /**

const { names } = require('./constants')
const { TextDecoder } = require('web-encoding')
const textDecoder = new TextDecoder()
const codes = {}

@@ -26,11 +29,15 @@

*
* @param {Buffer} hash
* @param {Uint8Array} hash
* @returns {string}
*/
exports.toHexString = function toHexString (hash) {
if (!Buffer.isBuffer(hash)) {
throw new Error('must be passed a buffer')
if (!(hash instanceof Uint8Array)) {
throw new Error('must be passed a Uint8Array')
}
return hash.toString('hex')
const buffer = Buffer.isBuffer(hash)
? hash
: Buffer.from(hash.buffer, hash.byteOffset, hash.byteLength)
return buffer.toString('hex')
}

@@ -51,11 +58,11 @@

*
* @param {Buffer} hash
* @param {Uint8Array} hash
* @returns {string}
*/
exports.toB58String = function toB58String (hash) {
if (!Buffer.isBuffer(hash)) {
throw new Error('must be passed a buffer')
if (!(hash instanceof Uint8Array)) {
throw new Error('must be passed a Uint8Array')
}
return multibase.encode('base58btc', hash).toString().slice(1)
return textDecoder.decode(multibase.encode('base58btc', hash)).slice(1)
}

@@ -66,10 +73,9 @@

*
* @param {string|Buffer} hash
* @param {string|Uint8Array} hash
* @returns {Buffer}
*/
exports.fromB58String = function fromB58String (hash) {
let encoded = hash
if (Buffer.isBuffer(hash)) {
encoded = hash.toString()
}
const encoded = hash instanceof Uint8Array
? textDecoder.decode(hash)
: hash

@@ -82,9 +88,12 @@ return multibase.decode('z' + encoded)

*
* @param {Buffer} buf
* @param {Uint8Array} bytes
* @returns {{code: number, name: string, length: number, digest: Buffer}} result
*/
exports.decode = function decode (buf) {
if (!(Buffer.isBuffer(buf))) {
throw new Error('multihash must be a Buffer')
exports.decode = function decode (bytes) {
if (!(bytes instanceof Uint8Array)) {
throw new Error('multihash must be a Uint8Array')
}
let buf = Buffer.isBuffer(bytes)
? bytes
: Buffer.from(bytes.buffer, bytes.byteOffset, bytes.byteLength)

@@ -124,3 +133,3 @@ if (buf.length < 2) {

*
* @param {Buffer} digest
* @param {Uint8Array} digest
* @param {string|number} code

@@ -138,4 +147,4 @@ * @param {number} [length]

if (!(Buffer.isBuffer(digest))) {
throw new Error('digest should be a Buffer')
if (!(digest instanceof Uint8Array)) {
throw new Error('digest should be a Uint8Array')
}

@@ -151,7 +160,9 @@

return Buffer.concat([
Buffer.from(varint.encode(hashfn)),
Buffer.from(varint.encode(length)),
digest
])
const hash = varint.encode(hashfn)
const len = varint.encode(length)
const buffer = Buffer.alloc(hash.length + len.length + digest.length)
buffer.set(hash, 0)
buffer.set(len, hash.length)
buffer.set(digest, hash.length + len.length)
return buffer
}

@@ -217,4 +228,4 @@

*
* @param {Buffer} multihash
* @returns {undefined}
* @param {Uint8Array} multihash
* @returns {void}
* @throws {Error}

@@ -230,4 +241,4 @@ */

*
* @param {Buffer} multihash
* @returns {undefined}
* @param {Uint8Array} multihash
* @returns {Buffer}
* @throws {Error}

@@ -238,3 +249,3 @@ */

return multihash.slice(0, 2)
return Buffer.from(multihash.buffer, multihash.byteOffset, 2)
}
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