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hyperbee howto improvements (#92)

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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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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 mkdir bee-writer-app
cd bee-writer-app cd bee-writer-app
pear init -y -t terminal 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). [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 Alter the generated `bee-writer-app/index.js` file to the following
```javascript ```javascript
import fsp from 'fs/promises' import fsp from 'bare-fs/promises'
import Hyperswarm from 'hyperswarm' import Hyperswarm from 'hyperswarm'
import Corestore from 'corestore' import Corestore from 'corestore'
import Hyperbee from 'hyperbee' import Hyperbee from 'hyperbee'
import b4a from 'b4a' import b4a from 'b4a'
// create a corestore instance with the given location // create a corestore instance with the given location
const store = new Corestore(Pear.config.storage) 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 mkdir bee-reader-app
cd bee-reader-app cd bee-reader-app
pear init -y -t terminal 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. 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 Alter the generated `bee-reader-app/index.js` file to the following
```javascript ```javascript
import Hyperswarm from 'hyperswarm' import Hyperswarm from 'hyperswarm'
import Corestore from 'corestore' import Corestore from 'corestore'
import Hyperbee from 'hyperbee' import Hyperbee from 'hyperbee'
import Pipe from 'bare-pipe'
import b4a from 'b4a' import b4a from 'b4a'
const key = Pear.config.args[0] 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 // Attempt to connect to peers
swarm.join(core.discoveryKey) swarm.join(core.discoveryKey)
Pear.stio.in.on('data', data => { const stdin = new Pipe(0)
const word = data.trim()
stdin.on('data', (data) => {
const word = data.toString().trim()
if (!word.length) return if (!word.length) return
bee.get(word).then(node => { bee.get(word).then(node => {
if (!node || !node.value) console.log(`No dictionary entry for ${data}`) if (!node || !node.value) console.log(`No dictionary entry for ${word}`)
else console.log(`${data} -> ${node.value}`) else console.log(`${word} -> ${node.value}`)
}, err => console.error(err)) setImmediate(console.log) // flush hack
}, console.error)
}) })
``` ```
@@ -162,7 +164,7 @@ Finally create a `core-reader-app` project:
mkdir core-reader-app mkdir core-reader-app
cd core-reader-app cd core-reader-app
pear init -y -t terminal pear init -y -t terminal
npm install corestore hyperswarm b4a npm install corestore hyperswarm hyperbee b4a
``` ```