hyperbee - npm Package Compare versions

Comparing version 0.0.0 to 0.0.1

index.js

 const codecs = require('codecs')
 const { Readable } = require('streamx')
 const RangeIterator = require('./iterators/range')
+const HistoryIterator = require('./iterators/history')
 const Extension = require('./lib/extension')
-const { YoloIndex, Node } = require('./messages')
+const { YoloIndex, Node, Header } = require('./lib/messages')
 
@@ -230,3 +231,3 @@ const T = 5
 
-class BTree {
+class HyperBee {
   constructor (feed, opts = {}) {
@@ -254,3 +255,3 @@ this.feed = feed
         if (this.feed.length > 0 || !this.feed.writable) return resolve()
-        this.feed.append('header', (err) => {
+        this.feed.append(Header.encode({ protocol: 'hyperbee' }), (err) => {
           if (err) return reject(err)
@@ -290,3 +291,3 @@ resolve()
         if (this.keyEncoding) entry.key = this.keyEncoding.decode(entry.key)
-        if (this.valueEncoding) entry.value = this.valueEncoding.decode(entry.value)
+        if (this.valueEncoding && entry.value) entry.value = this.valueEncoding.decode(entry.value)
         resolve(new BlockEntry(seq, batch, entry))
@@ -301,23 +302,4 @@ })
 
-  createHistoryStream () {
-    let seq = 1
-    const tree = this
-
-    return new Readable({
-      open (cb) {
-        tree.feed.ready(cb)
-      },
-      read (cb) {
-        if (seq >= tree.feed.length) {
-          this.push(null)
-          return cb(null)
-        }
-
-        tree.feed.get(seq, { valueEncoding: Node }, (err, data) => {
-          if (err) return cb(err)
-          this.push(new BlockEntry(seq++, tree, data))
-          cb(null)
-        })
-      }
-    })
+  createHistoryStream (opts) {
+    return iteratorToStream(new HistoryIterator(new Batch(this, false, false, opts), opts))
   }
@@ -345,3 +327,3 @@
   checkout (version) {
-    return new BTree(this.feed, {
+    return new HyperBee(this.feed, {
       checkout: version,
@@ -357,17 +339,2 @@ extension: this.extension,
   }
-
-  async debugToString () {
-    return require('tree-to-string')(await load(await this.getRoot()))
-
-    async function load (node) {
-      const res = { values: [], children: [] }
-      for (let i = 0; i < node.keys.length; i++) {
-        res.values.push((await node.getKey(i)).toString())
-      }
-      for (let i = 0; i < node.children.length; i++) {
-        res.children.push(await load(await node.getChildNode(i)))
-      }
-      return res
-    }
-  }
 }
@@ -391,2 +358,6 @@
 
+  get version () {
+    return this.tree.version + this.length
+  }
+
   getRoot () {
@@ -455,2 +426,3 @@ if (this.root !== null) return this.root
     if (typeof key === 'string') key = Buffer.from(key)
+    if (value && this.valueEncoding) value = this.valueEncoding.encode(value)
 
@@ -607,3 +579,3 @@ const stack = []
       key: this.tree.keyEncoding ? this.tree.keyEncoding.encode(key) : key,
-      value: this.tree.valueEncoding ? this.tree.valueEncoding.encode(value) : value,
+      value,
       index: deflate(index)
@@ -729,2 +701,2 @@ }))
 
-module.exports = BTree
+module.exports = HyperBee

lib/extension.js

@@ -1,2 +0,2 @@
-const { Extension } = require('../messages')
+const { Extension } = require('./messages')
 
@@ -3,0 +3,0 @@ class Batch {

package.json

 {
   "name": "hyperbee",
-  "version": "0.0.0",
-  "description": "",
+  "version": "0.0.1",
+  "description": "An append-only Btree running on a Hypercore.",
   "main": "index.js",
@@ -9,15 +9,26 @@ "dependencies": {
     "protocol-buffers-encodings": "^1.1.0",
-    "streamx": "^2.6.6",
-    "tree-to-string": "^1.1.1"
+    "streamx": "^2.6.6"
   },
   "devDependencies": {
     "hypercore": "^9.5.0",
+    "protocol-buffers": "^4.2.0",
     "random-access-memory": "^3.1.1",
-    "tape": "^5.0.1"
+    "standard": "^14.3.4",
+    "tape": "^5.0.1",
+    "tree-to-string": "^1.1.1"
   },
   "scripts": {
-    "test": "tape test/*.js"
+    "test": "standard && tape test/*.js",
+    "protobuf": "protocol-buffers schema.proto -o ./lib/messages.js"
   },
-  "author": "",
-  "license": "ISC"
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/mafintosh/hyperbee.git"
+  },
+  "author": "Mathias Buus (@mafintosh)",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/mafintosh/hyperbee/issues"
+  },
+  "homepage": "https://github.com/mafintosh/hyperbee"
 }

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Improved metrics

Total package byte prevSize

52606

increased by12.19%

Dependency count

3

decreased by-25%

Number of downloads

2223

increased by14.53%

Number of package files

15

increased by15.38%

Lines of code

1646

increased by8.93%

Number of low maintenance alerts

0

decreased by-100%

Number of low quality alerts

1

decreased by-50%

Number of medium quality alerts

0

decreased by-100%

Number of lines in readme file

40

increased byInfinity%

Number of low supply chain risk alerts

1

decreased by-50%

Worsened metrics

Dev dependency count

6

increased by100%

Number of low license alerts

1

increased byInfinity%

Dependency changes

• - Removedtree-to-string@^1.1.1

• - Removedtree-to-string@1.1.1(transitive)