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hyperbee howto improvements (#92)

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This commit is contained in:
David Mark Clements
2024-03-21 14:33:15 +01:00
committed by GitHub
parent b339e2878a
commit 69c70775ff
1 changed files with 13 additions and 11 deletions
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24
howto/share-append-only-databases-with-hyperbee.md
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@@ -13,7 +13,7 @@ Start the `bee-writer-app` project with the following commands:
mkdir bee-writer-app
cd bee-writer-app
pear init -y -t terminal
npm install corestore hyperswarm hyperbee b4a
npm install corestore hyperswarm hyperbee b4a bare-fs
```
[Click here to save `dict.json`](../assets/dict.json).
@@ -23,12 +23,11 @@ Save it into `bee-writer-app` directory. The `dict.json` file contains 100K dict
Alter the generated `bee-writer-app/index.js` file to the following
```javascript
import fsp from 'fs/promises'
import fsp from 'bare-fs/promises'
import Hyperswarm from 'hyperswarm'
import Corestore from 'corestore'
import Hyperbee from 'hyperbee'
import b4a from 'b4a'
// create a corestore instance with the given location
const store = new Corestore(Pear.config.storage)
@@ -87,7 +86,7 @@ Start the `bee-reader-app` project with the following commands:
mkdir bee-reader-app
cd bee-reader-app
pear init -y -t terminal
npm install corestore hyperswarm hyperbee b4a
npm install corestore hyperswarm hyperbee b4a bare-pipe
```
The `bee-reader-app` creates a `Corestore` instance and replicates it using the `Hyperswarm` instance to the same topic as `bee-writer-app`. On every word entered in the command line, it will download the respective data to the local `Hyperbee` instance.
@@ -95,11 +94,11 @@ The `bee-reader-app` creates a `Corestore` instance and replicates it using the
Alter the generated `bee-reader-app/index.js` file to the following
```javascript
import Hyperswarm from 'hyperswarm'
import Corestore from 'corestore'
import Hyperbee from 'hyperbee'
import Pipe from 'bare-pipe'
import b4a from 'b4a'
const key = Pear.config.args[0]
@@ -133,13 +132,16 @@ console.log('core key here is:', core.key.toString('hex'))
// Attempt to connect to peers
swarm.join(core.discoveryKey)
Pear.stio.in.on('data', data => {
const word = data.trim()
const stdin = new Pipe(0)
stdin.on('data', (data) => {
const word = data.toString().trim()
if (!word.length) return
bee.get(word).then(node => {
if (!node || !node.value) console.log(`No dictionary entry for ${data}`)
else console.log(`${data} -> ${node.value}`)
}, err => console.error(err))
if (!node || !node.value) console.log(`No dictionary entry for ${word}`)
else console.log(`${word} -> ${node.value}`)
setImmediate(console.log) // flush hack
}, console.error)
})
```
@@ -162,7 +164,7 @@ Finally create a `core-reader-app` project:
mkdir core-reader-app
cd core-reader-app
pear init -y -t terminal
npm install corestore hyperswarm b4a
npm install corestore hyperswarm hyperbee b4a
```