A library implementing several standard data structures and utilities, in JavaScript. Its written and tested using Node.js which is the target platform.
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README.md

dsjslib

This is a collection of different data structures and utilities, implemented in JavaScript. Its written and tested using Node.js which is also the target platform.

API Documentation >>

Overview

  • New

    • Bloom Filter - Probabilistic data structure to test whether an element is a member of a set.
  • Maps

    • Sorted Maps: Maps sorted according to natural ordering of keys or by comparator function provided at creation time. Two different backing stores are available
    • Tries Map optimized for prefix searching on string keys
    • Multi-Valued Map supporting multiple values for a key
  • Queues

  • Utilities

    • LRU Cache with Stats Google Guava inspired LRU cache. Reference: Google Guava. In-memory LRU cache implementation for Node, inspired by Google Guava Loading Cache . The cache is simpler since it doesn't have to deal with concurrent threads, but other functionality of Guava cache are captured like - Auto loader function - Removal listener - Auto expiry After Write (TTL) - Max Size and weight - Cache Stats recording For usage and overview see wiki: https://github.com/monmohan/dsjslib/wiki/LRU-Cache-Feature-and-usage-overview

    • BitSet - An array of bits with operations to set, examine and clear individual bits

    • CircularBuffer - A data structure that uses a single, fixed-size buffer as if it were connected end-to-end. When the buffer is filled, new data is written starting at the beginning of the buffer and overwriting the old.

    • Bloom Filter - Probabilistic data structure to test whether an element is a member of a set.

    • BTree - Self balancing generalized Search Tree

Installation

    npm install dsjslib

Current version 0.6.14 is stable and thoroughly tested on Node v0.10