JSPM

Returns the symmetric difference (exclusive-or) of an array of elements (elements that are present in all given arrays and not in their intersections).

Simply handle user gestures and actions. Includes widgets.

A minimalistic es6 implementation of set

A group of functions for working with Maps.

A collection of observers for Svelte

LISN.js for React.

An easy-to-use React hook that tells you whether a component/element is visible on the viewport currently, and if yes, how much of it is visible.

A Bounding Volume Hierarchy data structure, for fast ray-mesh intersection

A visibility based trigger for loading more data.

Determines whether any of the segments of 2 given linestrings intersect

Performant & ergonomic 2D geometry in typescript

Gives values present in both arrays.

A group of functions for working with Maps {web}.

A collection of methods for working with Objects {web}.

ILists is a pair of key iterable list and value iterable list, with unique keys.

Frequently used tools for React

Tailwind CSS with Intersection Observer & Load variants

Alpine JS magic helper that determines when elements overlap or intersect each other, perfect for menus, tooltips, modals, and collision detection 🥞

A collection of methods for working with Objects.

React Hook to call an action if an intersected element was reached

An Alpine.js plugin to easily add CSS classes to an element when it enters the viewport.

ILists is a pair of key iterable list and value iterable list, with unique keys {web}.

A sorted array is a collection of values, arranged in an order {web}.

A small wrapper around turf-intersect to safely clip one geojson polygon to another

A library for slideup animation using directive with Angular

A collection of functions for operating upon Entries {web}.

An array is a collection of values, stored contiguously {web}.

A sorted array is a collection of values, arranged in an order.

Find the intersection of two glob patterns

A pack of functions for working with Sets {web}.

IntersectionTrigger utilizes the most modern web technology to trigger anything by intersection. Including scroll-based animations.

A collection of functions for operating upon Entries.

Node.js utility functions to handle objects

A set of helpers in TS/JS, compatible with tree-shaking, for array.

A dependency free utility to set and remove animation classes on elements as they become visible in the viewport, using the Intersection Observer API

A collection of functions for operating upon Lists.

Gives values present in both arrays.

IntersectionObserver MenuSpy

Node utility librairies

A simple and fast API to manage viewport and DOM elements intersections as you scroll

Vue JS lazy image loading

An iterable is a sequence of values {web}.

compute the intersection between two intervals

Creates an array of unique values that are included in all given arrays.

**React Lazily IMG** is a React Wrapper Component to lazily load images. The goal is to use the convenient and known standard HTML tags and just have them lazily loaded.

A fork from pelias/polygon-lookup with updated dependencies

A collection of helpers for detecting intersections in 2D and 3D

Bounding interval hierarchy and bounding volume hierarchy library for nodejs

A collection of functions for operating upon Lists {web}.

a plugin for vue exposure, used by intersection observer API

A helper to work with rectangular regions in the DOM

Small wrapper for IntersectionObserver, to use it more modular way.

Frequently used tools for React

Lazy load component with react && react-router.

Styled components syntax for creating raw html in javascript.

React hook for using intersetion observers.

Dasboard for React

An easier way to observe the intersections with the viewport

Javascript Object Extensions

Counts occurrences of values.

React Hook for Tracking Section Visibility in the Viewport

A React component that supports infinite scroll using Intersection Observer API

Apply boolean polygon clipping operations (union, intersection, difference, xor) to Polygons & MultiPolygons in your GeoJSON files.

Creates an array of unique values, in order, from all given arrays.

test if a ray intersects an aabb in 2d/3d space

Intersection Observer API Animation

Apply boolean polygon clipping operations (intersection, union, difference, xor) to your Polygons & MultiPolygons.

ReactJS component that applies CSS styles as it approaches the top of the viewport.

Helpers for Set objects.

A JavaScript port of the polyclip library

Returns evenly spaced values within given interval.

Render on intersection

Framework agnostic library to detect viewable impressions

detect if a 2D triangle and circle collide

A basic library for some utility functions

This is a React component that loads an image source, only after it is partially or fully visible in the viewport

Simple Javascript IntersectionObserver implementation for Ember applications.

RegexSolver allows you to manipulate regular expressions as sets, enabling operations such as intersection, union, and subtraction.

Creates an array of unique values that are included in all given arrays.


Circle Intersection Regions

Boolean operations on polygons

Greiner-Hormann clipping algorithm; Typescript port.

React lazy loading component using vanilla-lazyload library. Speedy, lightweight and easy to use.

Counts occurrences of values.

Gives values present in both arrays.

Monitor if a component is inside the viewport, using IntersectionObserver API

Create an iterator which returns the intersection of two or more iterators.

Creates an array of unique values that are included in all given arrays.

Apply boolean Polygon clipping operations (intersection, union, difference, xor) to your Polygons & MultiPolygons.

Provides a way with extra configuration options to execute a handler when a given element is on view.

Gives values present in both arrays.

Automatically lazy load images inserted into the DOM

A library for working with Sets and arrays as sets.

BVH

Returns evenly spaced values within given interval.

Made with create-react-library

TailwindCSS Zen intersection animation plugin

Scalable distinct value counting system

Zero-dependency TypeScript runtime type validation with full type inference

Find unique common elements among given arrays

Get callback when a DOM element enters or leaves the viewport.

Scroll position-related navigation state management

An esay-to-use wrapper class over intersection observer API.

Flattens nested array to given depth.

A Bounding Volume Hierarchy data structure, for fast ray-mesh intersection

Javascript library for 2d geometry

A wrapper for @loadable/component that uses IntersectionObserver to trigger component load.

The package is a "sentinel" that trigger a function when is visible.

Allows Union, Difference, Xor, and Intersection operations on two polygons.

Given a graph with a graph with a non planar embedding, make changes to this graph so that it becomes planar.

A libraray for Isochrone, Routing & geoprocessing GeoJson Data

Extremely fast set and map/reduce operations for Arrays and Sets plus CartesianProducts

Implementation of range data structures using plain JavaScript arrays.

wip

Find the symmetric difference of two string arrays.

Test if two triangles in the plane intersect

Lazy Loading images and other (JS, etc.) using Intersection Observer with polyfill

A lightweight TypeScript library providing utilities for observing intersection and resize events of DOM elements with automatic cleanup.

Calculate intersection of two lines

A React hook that tells you when an element enters or leaves the viewport.

🔢 JavaScript range validation library - Extend Number and BigInt prototypes with powerful range checking, validation, and manipulation utilities. Perfect for form validation, game development, and scientific computing.

Fast testing whether two line segments intersect

More operations on Sets: union, intersection, include, etc.

A BVH implementation to speed up raycasting against three.js meshes.

Flattens nested array to given depth.

Detect self-intersecting polygons in Javascript. An implementation of the Bentley–Ottmann sweep line algorithm for detecting crossings in a set of line segments.

Handle your array objects with ease

A utility library providing common array manipulations and React hooks.

Javascript library for 2d geometry

Returns the vertices of multiple circle intersection

React utilities for lazy image loading

React utilities for lazy image loading

Return intersect object that have same key from a number of objects

Set Operations in Typescript

Create an iterator which returns the intersection of two or more iterators according to a hash function.

a node.js port of jsclipper [JS]... which is a port of clipper [C++, C#, Delphi]

Remove self intersections, t-junctions and duplicate edges/vertices from a planar straight line graph

Detects if the inner children are visible

Set, but for Objects.

Rearranges values in arbitrary order.

An API (wrapper actually) for connect trough Intersection Controller game data like users and maps

calculate the intersection of a ray and a disk or plane in three dimensions

React standard library

Find all intersections between two sets of line segments

Rearranges values in arbitrary order.

Javascript library for 2d geometry. Cloned from flattenjs

intersection and difference

Two dimensional geometry manipulation

[Deprecated] JST to perform set intersection and set subtraction operations on 2 user provided arrays

Helper making the observation of element's visibility a little more convenient. Based on the IntersectionObserver API.

test for the intersection of convex polytopes in 2d or 3d, computing the minimum translation vector

Broad coverage of sorted array operations

Set implementation with some extra utils

[![npm package][npm-badge]][npm] ![Module formats][module-formats]

React utilities for lazy image loading - Patched version

Returns the items two arrays do not share

React library for suspending hydration until components enter the viewport.

Rearranges values in arbitrary order.

Apply boolean Polygon clipping operations (intersection, union, difference, xor) to your Polygons & MultiPolygons.

Experimental API for observing the visible box of an element.

Disjoint continuous ranges

Manipulation with date periods: intersection, splitting etc.

Add additional features to a TypeScript type at runtime

Bezier curve intersection algorithm and utilities

A set of useful functions that give easier control over set manipulation

Combine user-defined type guards / type predicates as unions and intersections.

Compare two sets (array of items) and get relationships between them (Disjoint | Intersecting | Subset | Superset | Equal)

Provides functions to operate on Sets, Arrays and Array-Like JavaScript data structures

Week day picker for React

A JS/TS library that expands upon the functionality of Sets

Extending the Set class in order to support mathematical set properties and operations.

Takes two lines and returns all intersection points

JavaScript Package for Creating an array without duplicates

Get an intersection of multiple arrays and account objects.

add intersection events to dom elements

A scroll-to-reveal JavaScript library that unmasks your elements using the clip-path CSS property.

Scroll through a list of data quickly

React hook to use intersection API

Simple modules for functional programming, done for fun.

Rearranges values in arbitrary order.

ray aabb intersection test using the slab method

Compute the closest point between two line segments

intersections of sorted streams

This will return the array of objects that are common in a set of array of objects based on single or multiple keys

R.intersection exported as a module

Find all intersections in a set of intervals

generate array of intersection points from array and geometry

Snap points to the nearest point in a GeoJSON collection of points.

Simple robust library for finding lines intersections fast.

Javascript Set operations

React hooks for detecting if an element is on screen

React <img> drop-in replacement for lazy image loading

A BVH implementation to speed up raycasting against three.js meshes.

Checks if two circles intersect.

Angular library that wraps the browser IntersectionObserver in an Angular directive

Function extensions for JavaScript's built-in Set type

Wrapper for IntersectionObserver that returns the scroll direction

calculate the intersection of a ray and a cone in three dimensions

A collection of common algorithm ulities including Binary Search

Simple intersection implement.

Modern React component for scroll-based triggers and animations with TypeScript support. A rewritten and modernized version of the original react-scroll-trigger package.

Perform Set Operations (Union|Intersection|Difference) on SVG Paths

Apply boolean polygon clipping operations (intersection, union, difference, xor) to your Polygons & MultiPolygons.

Week day picker for React

web component that dispatches an event whenever it comes in and goes out of viewport

A batteries include Set class built on top of ES6 sets

Adds a directive that listens for click events and scrolls to elements.

A very simple script to compute the intersection point of two great circles specified using two points. The intersection point is computed either in the Cartesian plane of its coordinates or on a Sphere.

Supply visibility classes and data to selected elements on your webpage.

A lightweight library of basic geometry shapes interactions

🧮 Common set operations (union, difference, isSubset, etc.) for any Iterable

Javascript module for in view animations using the Javascript IntersectionObserver.

React utilities for lazy image loading

React utilities for lazy image loading

This is a simple React Hooks that trigger a callback all time the element is viewed.

LazyLoading for the New Millenium™

A tiny library for lazily loading any content in React

- Version 1.0.2 Rename directive selector rtIsElementVisible to rtIsVisibleElement - Version 1.0.3 Edit readme

This project was generated with [Angular CLI](https://github.com/angular/angular-cli) version 13.0.2.

R.intersection exported as a module

To compute axis which some integer ranges on it

Union and Intersection operators for highland.js streams

Find characters in a string that also occur in another string

A set implementation for integers

A fork from pelias/polygon-lookup with updated dependencies

Compute intersections & unions of streams

Angular-inspired deferred loading for React with compound triggers, prefetching, and advanced performance optimizations

JavaScript Set prototype extensions using Metho

Utility to check if polygons overlap.

Detect self-intersecting polygons in Javascript. An implementation of the Bentley–Ottmann sweep-line algorithm with redblack tree for detecting crossings in a set of line segments.

A library of intersection algorithms covering all SVG shape types

Catching the moment when the specific part of an element is visible in the viewport

intersect a ray with a quadtree

Extend Quasar animation system

A library of intersection algorithms covering all SVG shape types

geo json operation

An extension of the normal Set datastructure. Holds unique entries in either normal mode or complement mode. In normal mode, the entries are present in the set (normal behavior of a standard Set). In complement mode, the entries are those which are not pr

Observes current visible childrens on root element. [Demo](https://saschanaz.github.io/visible-children-observer/)

given an array of 3d line segments, chop the lines at all points of intersection, returning non-intersecting sub-segments

Directive to tracking of target element intersection ratio

LazyLoading for the New Millenium™

This will return the array of objects that are common in a set of array of objects based on single or multiple keys

a plugin

Doars plugin that adds a intersect directive for reacting to intersection changes.

React hooks for detecting if an element is on screen

A simple, no-frills visibility utility. Will tell you if a component is 100% inside the viewport, and when a visible component exits the viewport.

Compare elements in sets

**With npm:**

A simple infinite scroll component based on react-intersection-observer