interface-datastore - npm Package Compare versions

Comparing version 1.0.1 to 1.0.2

CHANGELOG.md

@@ -0,1 +1,11 @@
+<a name="1.0.2"></a>
+## [1.0.2](https://github.com/ipfs/interface-datastore/compare/v1.0.1...v1.0.2) (2020-05-07)
+
+
+### Features
+
+* add adapter ([4223581](https://github.com/ipfs/interface-datastore/commit/4223581))
+
+
+
 <a name="1.0.1"></a>
@@ -2,0 +12,0 @@ ## [1.0.1](https://github.com/ipfs/interface-datastore/compare/v1.0.0...v1.0.1) (2020-05-07)

dist/index.min.js

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package.json

 {
   "name": "interface-datastore",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "datastore interface",
@@ -36,3 +36,3 @@ "leadMaintainer": "Alex Potsides <[e-mail]>",
   "devDependencies": {
-    "aegir": "^21.10.2",
+    "aegir": "^22.0.0",
     "chai": "^4.1.2",
@@ -45,3 +45,3 @@ "dirty-chai": "^2.0.1"
     "err-code": "^2.0.0",
-    "ipfs-utils": "^1.2.3",
+    "ipfs-utils": "^2.2.2",
     "iso-random-stream": "^1.1.1",
@@ -57,4 +57,4 @@ "it-all": "^1.0.2",
   "contributors": [
+    "achingbrain <[e-mail]>",
     "David Dias <[e-mail]>",
-    "achingbrain <[e-mail]>",
     "Friedel Ziegelmayer <[e-mail]>",
@@ -61,0 +61,0 @@ "Juan Batiz-Benet <[e-mail]>",

README.md

@@ -23,2 +23,3 @@ # interface-datastore <!-- omit in toc -->
 - [Implementations](#implementations)
+- [Adapter](#adapter)
 - [Install](#install)
@@ -58,3 +59,3 @@ - [Usage](#usage)
     - [`delete(key)`](#deletekey)
-    - [`commit([options])` -> `AsyncIterator<?>`](#commitoptions---asynciterator)
+    - [`commit([options])` -> `Promise<void>`](#commitoptions---promisevoid)
     - [Arguments](#arguments-8)
@@ -93,2 +94,28 @@ - [Example](#example-9)
 
+## Adapter
+
+An adapter is made available to make implementing your own datastore easier:
+
+```javascript
+const { Adapter } = require('interface-datastore')
+
+class MyDatastore extends Adapter {
+  constructor () {
+    super()
+  }
+
+  async put (key, val) {
+    // your implementation here
+  }
+
+  async get (key) {
+    // your implementation here
+  }
+
+  // etc...
+}
+```
+
+See the [MemoryDatastore](./src/memory.js) for an example of how it is used.
+
 ## Install
@@ -391,3 +418,3 @@
 
-#### `commit([options])` -> `AsyncIterator<?>`
+#### `commit([options])` -> `Promise<void>`
 
@@ -411,9 +438,3 @@ Write all queued operations to the underyling store. The batch object should not be used after calling this.
 
-for await (const res of batch.commit()) {
-  if (res.key) {
-    console.info('put', res.key)
-  } else {
-    console.info('del', res)
-  }
-}
+await batch.commit()
 ```
@@ -420,0 +441,0 @@

src/index.js

@@ -7,2 +7,3 @@ 'use strict'
 const Errors = require('./errors')
+const Adapter = require('./adapter')
 
@@ -13,1 +14,2 @@ exports.Key = Key
 exports.Errors = Errors
+exports.Adapter = Adapter

src/memory.js

 'use strict'
 
-const { filter, sortAll, take, map } = require('./utils')
 const Key = require('./key')
+const Adapter = require('./adapter')
 
@@ -9,15 +9,9 @@ // Errors
 
-function throwIfAborted (signal) {
-  if (signal && signal.aborted) {
-    throw Error.abortedError()
-  }
-}
+class MemoryDatastore extends Adapter {
+  constructor () {
+    super()
 
-class MemoryDatastore {
-  constructor () {
     this.data = {}
   }
 
-  async open () {}
-
   async put (key, val) { // eslint-disable-line require-await
@@ -27,12 +21,2 @@ this.data[key.toString()] = val
 
-  async * putMany (source, options = {}) {
-    throwIfAborted(options.signal)
-
-    for await (const { key, value } of source) {
-      throwIfAborted(options.signal)
-      await this.put(key, value)
-      yield { key, value }
-    }
-  }
-
   async get (key) {
@@ -44,11 +28,2 @@ const exists = await this.has(key)
 
-  async * getMany (source, options = {}) {
-    throwIfAborted(options.signal)
-
-    for await (const key of source) {
-      throwIfAborted(options.signal)
-      yield this.get(key)
-    }
-  }
-
   async has (key) { // eslint-disable-line require-await
@@ -62,70 +37,8 @@ return this.data[key.toString()] !== undefined
 
-  async * deleteMany (source, options = {}) {
-    throwIfAborted(options.signal)
-
-    for await (const key of source) {
-      throwIfAborted(options.signal)
-      await this.delete(key)
-      yield key
-    }
+  * _all () {
+    yield * Object.entries(this.data)
+      .map(([key, value]) => ({ key: new Key(key), value }))
   }
-
-  batch () {
-    let puts = []
-    let dels = []
-
-    const self = this
-
-    return {
-      put (key, value) {
-        puts.push({ key, value })
-      },
-      delete (key) {
-        dels.push(key)
-      },
-      async * commit (options) { // eslint-disable-line require-await
-        yield * self.putMany(puts, options)
-        puts = []
-        yield * self.deleteMany(dels, options)
-        dels = []
-      }
-    }
-  }
-
-  query (q) {
-    let it = Object.entries(this.data)
-
-    it = map(it, entry => ({ key: new Key(entry[0]), value: entry[1] }))
-
-    if (q.prefix != null) {
-      it = filter(it, e => e.key.toString().startsWith(q.prefix))
-    }
-
-    if (Array.isArray(q.filters)) {
-      it = q.filters.reduce((it, f) => filter(it, f), it)
-    }
-
-    if (Array.isArray(q.orders)) {
-      it = q.orders.reduce((it, f) => sortAll(it, f), it)
-    }
-
-    if (q.offset != null) {
-      let i = 0
-      it = filter(it, () => i++ >= q.offset)
-    }
-
-    if (q.limit != null) {
-      it = take(it, q.limit)
-    }
-
-    if (q.keysOnly === true) {
-      it = map(it, e => ({ key: e.key }))
-    }
-
-    return it
-  }
-
-  async close () {}
 }
 
 module.exports = MemoryDatastore

src/tests.js

@@ -235,3 +235,3 @@ /* eslint-env mocha */
       b.delete(new Key('/z/old'))
-      await drain(b.commit())
+      await b.commit()
 
@@ -254,3 +254,3 @@ const keys = ['/a/one', '/q/two', '/q/three', '/z/old']
 
-      await drain(b.commit())
+      await b.commit()
 
@@ -321,3 +321,3 @@ const total = async iterable => {
 
-      return drain(b.commit())
+      return b.commit()
     })
@@ -324,0 +324,0 @@

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Number of lines in readme file

466

increased by4.72%

Worsened metrics

Total package byte prevSize

1715058

decreased by-4.07%

Lines of code

2722

decreased by-49.62%

Dependency changes

• + Addedany-signal@1.2.0(transitive)

• + Addedfast-fifo@1.3.2(transitive)

• + Addedipfs-utils@2.4.0(transitive)

• + Addedit-glob@0.0.8(transitive)

• + Addedit-to-stream@0.1.2(transitive)

• + Addedp-defer@3.0.0(transitive)

• + Addedp-fifo@1.0.0(transitive)

• - Removedipfs-utils@1.2.4(transitive)

• - Removedit-glob@0.0.7(transitive)

• - Removednanoid@2.1.11(transitive)

• Updatedipfs-utils@^2.2.2