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elasticsearch

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elasticsearch

The official low-level Elasticsearch client for Node.js and the browser.

  • 16.7.3
  • latest
  • Source
  • npm
  • Socket score

Version published
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178K
decreased by-9.18%
Maintainers
5
Weekly downloads
 
Created

What is elasticsearch?

The elasticsearch npm package is a client library for interacting with Elasticsearch, a distributed search and analytics engine. This package allows developers to perform a variety of operations such as indexing documents, searching, and managing indices within an Elasticsearch cluster.

What are elasticsearch's main functionalities?

Indexing Documents

This feature allows you to index documents into an Elasticsearch index. The code sample demonstrates how to create a client, connect to an Elasticsearch node, and index a document into 'my-index'.

const { Client } = require('@elastic/elasticsearch');
const client = new Client({ node: 'http://localhost:9200' });

async function run() {
  await client.index({
    index: 'my-index',
    document: {
      title: 'Test Document',
      content: 'This is a test document.'
    }
  });
  console.log('Document indexed');
}
run().catch(console.log);

Searching Documents

This feature allows you to search for documents within an Elasticsearch index. The code sample demonstrates how to search for documents in 'my-index' where the title matches 'Test'.

const { Client } = require('@elastic/elasticsearch');
const client = new Client({ node: 'http://localhost:9200' });

async function run() {
  const result = await client.search({
    index: 'my-index',
    query: {
      match: { title: 'Test' }
    }
  });
  console.log(result.hits.hits);
}
run().catch(console.log);

Managing Indices

This feature allows you to manage indices in Elasticsearch. The code sample demonstrates how to create a new index called 'my-new-index'.

const { Client } = require('@elastic/elasticsearch');
const client = new Client({ node: 'http://localhost:9200' });

async function run() {
  await client.indices.create({
    index: 'my-new-index'
  });
  console.log('Index created');
}
run().catch(console.log);

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Package last updated on 17 Feb 2022

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