Showing 18 open source projects for "logic"

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  • 1
    JsAction

    JsAction

    JsAction is a small event delegation library

    JSAction is a JavaScript framework developed by Google that provides a structured, event-driven architecture for managing user interactions in large-scale web applications. It simplifies event handling by declaratively binding actions to DOM elements through HTML attributes, enabling clean separation between markup and behavior. JSAction helps improve performance, maintainability, and reliability by minimizing the use of inline scripts and global event listeners. It is especially useful in...
    Downloads: 10 This Week
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  • 2
    Immutable.js

    Immutable.js

    Immutable collections for JavaScript

    ...Immutable data is unchangeable once created, which makes application development so much simpler. There’s no defensive copying, and you get advanced memoization and change detection techniques with simple logic. Persistent data gives you a mutative API, one that doesn’t update data in-place but always produces new and updated data. The data structures that Immutable.js provides include List, Stack, Map, OrderedMap, Set and more. These structures are highly efficient on modern JavaScript VMs, and minimize the need to cache or copy data.
    Downloads: 5 This Week
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  • 3
    Everything Claude Code

    Everything Claude Code

    Complete Claude Code configuration collection

    ...It also includes example orchestrations that showcase multi-step agent workflows, letting developers see how to compose small, discrete agent capabilities into productive, cohesive sequences. Because it is designed to be modular, individuals and teams can pull in only the skills they need, combine them with custom logic, or share their own extensions with the community.
    Downloads: 2 This Week
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  • 4
    Underscore.js

    Underscore.js

    JavaScript's utility belt

    ...It offers map/filter/reduce, deep-cloning, templating, object traversal, function binding, and more, which makes it easier to write concise, expressive code rather than verbose loops and conditional logic. Many other libraries and frameworks (including Backbone) historically depended on or partnered with Underscore for their utility functions. Even though ES6+ and Lodash have overshadowed some of its role, Underscore remains influential and educational for how to design utility APIs.
    Downloads: 3 This Week
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  • 5
    HyperUI

    HyperUI

    Free Tailwind CSS v4 components for your next project

    ...Because everything is plain markup, adoption is frictionless in any stack (React, Vue, Svelte, Rails, Laravel), and designers can tweak styling without refactoring component logic.
    Downloads: 1 This Week
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  • 6
    SurveyJS

    SurveyJS

    JavaScript Survey and Form Library

    SurveyJS Form Library is distributed as npm packages and as scripts and style sheets that you can reference on your page. You can use it in any React, Angular, Vue, Knockout, or jQuery application. React, Angular, Knockout, and Vue3 are supported natively. To communicate with the server, the libraries use JSON objects that represent form schemas (content and layout of a form) and form results (answers). You have the option to build dynamic JSON-driven forms using our free full-featured...
    Downloads: 4 This Week
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  • 7
    Classnames

    Classnames

    A simple javascript utility for conditionally joining classNames

    Classnames is a minimal JavaScript utility that helps you construct CSS class strings based on conditional logic. Instead of manually concatenating strings, developers can pass any combination of strings, arrays, or objects, and the library will output a clean, space-separated class list. When you provide an object, the keys represent class names and the boolean values determine whether each class should be included in the final string. This reduces boilerplate and the risk of typos or stray spaces, especially in React, Vue, or other component-based UIs where dynamic styling is common. ...
    Downloads: 0 This Week
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  • 8
    React Beautiful DnD

    React Beautiful DnD

    Beautiful and accessible drag and drop for lists with React

    React Beautiful DnD is a drag-and-drop library for React that emphasizes fluid motion, accessibility, and natural constraints. It provides Draggable and Droppable primitives that manage state, sensors, and reordering logic for you, so you focus on rendering. Keyboard support, screen-reader announcements, and predictable focus handling make interactions accessible beyond the mouse. The library computes dimensions and movement carefully to avoid jank, including automatic scrolling and collision handling when lists overflow. It supports common patterns like reordering within a list, moving items between multiple lists, and integrating with virtualized lists. ...
    Downloads: 1 This Week
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  • 9
    Cancelable Async Flows

    Cancelable Async Flows

    Cancelable Async Flows (CAF)

    CAF (Cancelable Async Flows) is a small utility that brings cooperative cancellation to JavaScript async workflows. It wraps async generators or promise-returning functions so they can respond to a cancel signal and halt work early, preventing wasted CPU and stray side effects. The library encourages a disciplined pattern: pass a token into your task, periodically check it, and unwind gracefully when cancellation is requested. This approach avoids brittle timeouts and “fire-and-forget” leaks...
    Downloads: 0 This Week
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  • 10
    ScrollBooster

    ScrollBooster

    Enjoyable content drag-to-scroll library

    ...Supports smooth content scroll via mouse/touch dragging, trackpad or mouse wheel. Zero dependencies. Easy to setup yet flexible enough to support any custom scrolling logic.
    Downloads: 3 This Week
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  • 11
    VivaGraph

    VivaGraph

    Graph drawing library for JavaScript

    ...Its layout algorithms help position nodes in aesthetically pleasing arrangements using force-directed simulations that adjust dynamically as the graph evolves. VivaGraphJS is modular, so you can extend or customize layouts, rendering, and interaction logic to fit specialized applications such as social network analysis, dependency mapping, or knowledge graphs.
    Downloads: 0 This Week
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  • 12
    Permit

    Permit

    An unopinionated authentication library for building Node.js APIs

    ...It also supports pulling credentials from common request locations, prioritizing standards-based headers while allowing practical alternatives when needed. The design aims to keep authentication logic centralized and consistent, so you avoid copy-pasting auth checks across handlers and middleware. In short, it provides a small, reusable abstraction for authenticating requests that you can adapt to your project’s policies and user model.
    Downloads: 0 This Week
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  • 13
    iView Weapp

    iView Weapp

    A set of high-quality WeChat applet UI component library

    Use WeChat to scan and experience the example of small program components. Before you start using iView Weapp, you need to read the micro-channel applet custom components related documents. We have built-in examples of all components, you can scan the small program code experience on the right, or view it in WeChat developer tools. Then, the examplesdirectory can be opened in the micro-channel developer tools. We adopted a 24-grid system to divide the area into 24 equal parts, which can...
    Downloads: 0 This Week
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  • 14
    FastClick

    FastClick

    Easy-to-use library to remove click delays on browsers with touch UIs

    FastClick is a simple, easy-to-use library for eliminating the 300ms delay between a physical tap and the firing of a click event on mobile browsers. The aim is to make your application feel less laggy and more responsive while avoiding any interference with your current logic. FastClick is developed by FT Labs, part of the Financial Times. Note: As of late 2015 most mobile browsers - notably Chrome and Safari - no longer have a 300ms touch delay, so fastclick offers no benefit on newer browsers, and risks introducing bugs into your application. Consider carefully whether you really need to use it. The library has been deployed as part of the FT Web App. ...
    Downloads: 4 This Week
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  • 15
    EJS

    EJS

    Embedded JavaScript templates for node

    EJS is a templating engine for JavaScript/Node.js that allows developers to embed plain JavaScript code into HTML markup. The idea is to avoid introducing a separate DSL for templating and instead use familiar JavaScript logic inside template tags to generate dynamic content. You write templates using <% %> scriptlet tags, <%= %> for output, and you can include other templates, pass data, and control flow with loops and conditionals. It’s fast because it compiles templates to JavaScript functions and caches them by default, so subsequent rendering is efficient. ...
    Downloads: 5 This Week
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  • 16
    Android ViewPagerIndicator

    Android ViewPagerIndicator

    Paging indicator widgets compatible with the ViewPager

    ...Although the library is archived and no longer actively developed, it remains a significant component in legacy Android apps, showing how to cleanly decouple navigation UI from the pager logic.
    Downloads: 0 This Week
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  • 17
    stroll.js

    stroll.js

    CSS3 scroll effects list

    ...It listens to scroll events and applies CSS transitions to elements as they come into or out of view, producing a lively, tactile feel for long lists. The idea is to make scroll-heavy UIs (like feeds, galleries, or item pickers) feel less flat without having to code complex intersection logic. Because it leans on CSS and simple JavaScript hooks, it stays small and easy to integrate into existing markup. It is well suited for landing pages or portfolio sites where you want a touch of motion without importing a full animation framework. The library’s approach is declarative: you style your list, add stroll, and it handles the in-view choreography.
    Downloads: 0 This Week
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  • 18
    SurveyJS - Form Builder Libraries

    SurveyJS - Form Builder Libraries

    Build and Run Dynamic JSON-based Forms and Surveys Right in Your App

    SurveyJS is a product suite of open-source JavaScript form libraries that utilize JSON for survey metadata and results. You can use SurveyJS to render web forms and collect responses, or set up a form management system fully integrated in your IT infrastructure, where admin would create and edit multiple forms in a no-code drag-and-drop form builder UI. The form builder comes with a CSS Theme Editor—a set of UI controls for form styling. Any alterations you make, from colors to fonts and...
    Downloads: 0 This Week
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