fuse.js vs lunr vs flexsearch vs search-index vs elasticlunr
JavaScript Search Libraries Comparison
1 Year
fuse.jslunrflexsearchsearch-indexelasticlunrSimilar Packages:
What's JavaScript Search Libraries?

These libraries provide various functionalities for implementing search capabilities in web applications. They allow developers to index and search through data efficiently, enabling features like full-text search, fuzzy matching, and ranking of results. Each library has its own strengths and weaknesses, making them suitable for different use cases depending on the complexity and requirements of the search functionality needed in a project.

Package Weekly Downloads Trend
Github Stars Ranking
Stat Detail
Package
Downloads
Stars
Size
Issues
Publish
License
fuse.js3,882,95019,021456 kB142 months agoApache-2.0
lunr3,031,2799,047-1275 years agoMIT
flexsearch384,87712,8612.34 MB142 days agoApache-2.0
search-index171,2661,409693 kB411 days agoMIT
elasticlunr27,5072,059-779 years agoMIT
Feature Comparison: fuse.js vs lunr vs flexsearch vs search-index vs elasticlunr

Indexing Speed

  • fuse.js:

    Fuse.js has a moderate indexing speed, which is sufficient for small to medium datasets. It focuses more on the flexibility of search rather than speed, making it suitable for applications where search accuracy is prioritized over indexing performance.

  • lunr:

    Lunr provides reasonable indexing speeds for small to medium datasets. It is designed to be simple and effective, allowing for quick setup and use in applications that do not require extensive data handling.

  • flexsearch:

    FlexSearch is known for its exceptional indexing speed, capable of handling large datasets efficiently. It utilizes various optimizations to ensure that indexing is performed quickly, making it ideal for applications with extensive data.

  • search-index:

    Search Index offers good indexing performance, especially for larger datasets, as it supports both client and server-side indexing. This makes it a versatile choice for applications that need to maintain a persistent search index.

  • elasticlunr:

    ElasticLunr offers fast indexing speeds suitable for smaller datasets, making it easy to set up and use without significant overhead. It is designed for quick initial indexing, which is beneficial for applications that require rapid deployment.

Search Accuracy

  • fuse.js:

    Fuse.js is particularly strong in fuzzy search accuracy, allowing for approximate matches and handling of typos. This makes it a great choice for user-facing applications where input may not always be precise.

  • lunr:

    Lunr provides good search accuracy with support for stemming and stop words, making it effective for full-text search scenarios. It balances performance and accuracy well for small to medium datasets.

  • flexsearch:

    FlexSearch excels in search accuracy, offering advanced features like scoring and ranking of results. It is designed to provide highly relevant results even for large datasets, making it ideal for applications with demanding search needs.

  • search-index:

    Search Index offers robust search accuracy with support for complex queries and filtering. It is designed for applications that require precise and relevant search results across larger datasets.

  • elasticlunr:

    ElasticLunr provides decent search accuracy with basic features like tokenization and stemming. It is suitable for straightforward search requirements but may lack advanced features for more complex queries.

Customization Options

  • fuse.js:

    Fuse.js is highly customizable, allowing developers to adjust search parameters, thresholds, and scoring methods. This makes it ideal for applications that need tailored search functionality based on user input.

  • lunr:

    Lunr offers some customization options, such as configuring the fields to index and search. However, it is more limited compared to other libraries, making it best for straightforward use cases.

  • flexsearch:

    FlexSearch provides extensive customization options, allowing developers to fine-tune indexing and search behavior. This flexibility makes it suitable for applications with specific search requirements and user experiences.

  • search-index:

    Search Index provides a wide range of customization options, supporting complex queries and indexing strategies. This makes it suitable for applications that require a highly tailored search experience.

  • elasticlunr:

    ElasticLunr offers limited customization options, focusing on simplicity and ease of use. While it allows for basic configuration, it may not meet the needs of applications requiring extensive customization.

Memory Usage

  • fuse.js:

    Fuse.js has moderate memory usage, which is acceptable for small to medium datasets. However, it may not be the best choice for very large datasets due to its memory consumption during search operations.

  • lunr:

    Lunr has reasonable memory usage for small to medium datasets, making it suitable for static sites and applications with limited search needs. It balances performance and memory efficiency well.

  • flexsearch:

    FlexSearch is optimized for memory efficiency, allowing it to handle large datasets without significant memory overhead. This makes it a great choice for applications that prioritize performance and resource management.

  • search-index:

    Search Index can have higher memory usage due to its server-side capabilities and support for larger datasets. However, it provides options for optimizing memory consumption based on the application's requirements.

  • elasticlunr:

    ElasticLunr is lightweight and has low memory usage, making it suitable for applications with limited resources. It is designed to be efficient for smaller datasets without consuming excessive memory.

Community and Support

  • fuse.js:

    Fuse.js has a strong community and extensive documentation, making it easy for developers to find support and examples. It is widely used in various applications, ensuring a wealth of resources.

  • lunr:

    Lunr has a solid community and good documentation, providing sufficient support for developers. It is a well-established library with many users, which helps in finding solutions to common issues.

  • flexsearch:

    FlexSearch has a growing community and good documentation, providing adequate support for developers. Its popularity is increasing due to its performance and feature set.

  • search-index:

    Search Index has a robust community and comprehensive documentation, offering strong support for developers. Its versatility and capabilities have led to a growing user base.

  • elasticlunr:

    ElasticLunr has a smaller community compared to some other libraries, which may result in limited support and resources. However, its simplicity makes it easy to get started without extensive documentation.

How to Choose: fuse.js vs lunr vs flexsearch vs search-index vs elasticlunr
  • fuse.js:

    Select Fuse.js if you need a powerful fuzzy search capability that allows for approximate string matching. It's particularly useful for applications where users may input misspelled or incomplete search terms, as it provides a high degree of flexibility and customization in search results.

  • lunr:

    Use Lunr if you want a straightforward full-text search library that can handle small to medium-sized datasets. It is easy to implement and provides a good balance of features, including stemming and scoring, making it suitable for static sites or applications with limited search needs.

  • flexsearch:

    Opt for FlexSearch if you require high-performance search capabilities with advanced features like scoring and multi-language support. It is suitable for larger datasets and offers a balance between speed and memory efficiency, making it a great choice for applications with extensive search requirements.

  • search-index:

    Choose Search Index if you need a more robust solution that allows for both client and server-side indexing and searching. It is ideal for applications that require persistent search capabilities and can handle larger datasets with complex querying needs.

  • elasticlunr:

    Choose ElasticLunr if you need a lightweight, client-side search library that is easy to set up and use. It's ideal for small to medium datasets and provides a simple API for indexing and searching without the need for a server-side component.

README for fuse.js

Fuse.js

Node.js CI Version Downloads code style: prettier Contributors License

Supporting Fuse.js

Through contributions, donations, and sponsorship, you allow Fuse.js to thrive. Also, you will be recognized as a beacon of support to open-source developers.


Sponsors


Introduction

Fuse.js is a lightweight fuzzy-search, in JavaScript, with zero dependencies.

Browser Compatibility

Fuse.js supports all browsers that are ES5-compliant (IE8 and below are not supported).

Documentation

To check out a live demo and docs, visit fusejs.io.

Develop

Here's a separate document for developers.

Contribute

We've set up a separate document for our contribution guidelines.