Patrick Arlt

A lightweight DOM-less tile layer for Leaflet that can be used to query APIs with bounding boxes or center/radius as opposed to loading tiles.

A Grunt plugin for running Middleman tasks.

Cucumber.js example running tests in PhantomJS.

A flexible, fast and easy to extend static site generator for Node

Talk about Angular JS and Mapping Applications at Dev Summit 2014

An implimentation of the Module, Mediator, Facade pattern in Backbone JS.

ES 7 decorators to reduce boilerplate when creating custom HTML elements.

A custom ArcGIS API for JavaScript App focused on accessibility.

Talk about Leaflet and Esri Leaflet Dev Summit 2014

Boilerplate code for creating jQuery plugins. Based on http://docs.jquery.com/Plugins/Authoring

Presentation on authentication in ArcGIS Online at the 2015 Esri Dev Summit.

Custom Elements are a web standard for creating custom DOM elements. Learn how to use these elements to integrate into the JS API into frameworks like Angular, Ember and React or build simple web applications by composing elements together.

Simple boilerplate for custom elements.

Talk on Angular JS at Esri UC 2014

Talk about ES6, Web Components and the future of JavaScript at the Esri Dev Summit 2015

No description.

Talk for the Esri Dev Summit 2015 looking at some of the weirder parts of the JavaScript language.

No description.

Opinionated software release plugin for Grunt. Use to release repos on NPM, Bower and Component.

Get started building your application with ArcGIS for Developers

Small application for Geoloqi that delivers bus times to users when they arrive near a bus stop.

No description.

Simple plugin for rendering time relative to a certain

Talks for 2018 Esri Developer Summit in Palm Springs

Very small binary search index implementation.

No description.

An example of how to use Dojo with the Karma test runner and Jasmine.

A small MVC Sinatra application with MongoID, Redis and AssetPack

CSS Frameworks like Bootstrap are great but knowing some basic modern CSS techniques can you be successful in debugging and customizing your applications. Learn the basics of floats, positions, media queries and more to really take control of your applications.

Talk on extending the functionality of Esri Leaflet with Leaflet plugins

Advanced level Esri Leaflet talk cover, debugging, testing, contributing and extending Esri Leaflet

Presentation on the Esri Leaflet plugin and on how to extend Leaflet

Example of using Google Traceur and Squares Module transpiler to use ES6 syntax today.

Code and slides from the 2023 User Conference presentation "Using open source mapping libraries with Esri's location services"

compact, modular JavaScript wrappers for the ArcGIS REST API

No description.

Talk slides for "Building Apps with Esri Leaflet" at Esri Dev Summit 2020

A commitizen adapter for the angular preset of https://github.com/conventional-changelog/conventional-changelog

Talks for the 2019 Esri Dev Summit

Website and documentation for the Acetate static site generator

In-Memory Storage for Terraformer GeoStore

Inspect HTTP requests with geographic data

Minimalistic Virtual DOM implementation with support for animated transitions.

Talks for Dev Summit 2017

Sample project for Acetate.

No description.

Replace your CMS and start generating documentation with Git and static site generators

Debug L.VirtualGrid against non-mercator spatial references

No description.

Talk at the Esri User Conference 2014 on Esri Leaflet

An HTML layout and templating framework for static websites.

Example of a static site for my talk on "Ditching your CMS" at Write the Docs 2014

No description.

Talk about mapping application design at Dev Summit 2014

No description.

A minimalist blogging framework in Sinatra, Spine.js, MongoID, and Redis

Principles for building great experience for developers.

Presentation originally give at the 2013 Esri User Conference on using Terraformer.js

Custom map for the Anaheim Fall Festival and Halloween Parade.

Reproduction of vitest browser Astro issue

The web framework for content-driven websites. ⭐️ Star to support our work!

No description.

TypeScript wrappers for talking to ArcGIS Hub

Headless tape test runner

ArcGIS REST JS is a compact and easy-to-use wrapper around the ArcGIS REST APIs that makes working with these services in any JavaScript application a breeze. We’ll also show how to use ArcGIS REST JS to manage your organization’s content, users, and groups.

A simple Javascript client library for interacting with the ArcGIS Geotriggers API. Works with Node, and any CORS supporting browser.

Learn about the capabilities of the geocoding service and how to integrate geocoding services in your applications. Convert text addresses to locations, batch geocode, address candidates, and reverse geocoding services are covered with examples used with various APIs.

This is a binding from MapLibre GL JS to the familiar Leaflet API.

Esri GitHub landing page

No description.

No description.

Tools for ArcGIS Survey123

A quality score checker for npm packages.

Minimal reproduction of https://github.com/import-js/eslint-plugin-import/issues/2111

No description.

A geographic toolkit for dealing with geometry, geography, formats, and building geo databases

ArcGIS Runtime SDK for Qt samples for Qt Creator.

Esri International Developer Summit 2021: "Building Web Apps with Open Source Mapping APIs"

Talk on Vector Tile Style Editor for Esri Developer Summit 2021

No description.

binding from Mapbox GL JS to the Leaflet API

Who is Running? People for the People 2020

JSX in Markdown for ambitious projects

No description.

No description.

No description.

Build blazing fast, modern apps and websites with React

plugin to check spelling

📝 Hunspell compatible spell-checker

No description.

Talk slides for "CSS and JS for Geographers" at Esri Dev Summit 2020.

Gatsby-MDX with Netlify CMS. Support React components in your CMS editor!

Convert Swagger 2.0 definitions to OpenAPI 3.0 and resolve/validate/lint

No description.

utility to transform hast to mdast

A lightweight web component to trap focus within a DOM node.

2019 Presentations on ArcGIS

Seamless integration between Rollup and Typescript

A simple geocoder form to locate places. Easily extended to multiple data providers.

Angular Dimple is a series of Angular directives that help you create graphs and visualizations based on Dimple.js and d3. It's designed to create graphs as simply as possible from flat JSON data

Ionic App to manage coffee debt in organizations

Javascript syntax highlighter

Formula Framework is a CSS framework for Compass that is easy to theme and customize.

noUiSlider is a lightweight JavaScript range slider library. It offers a wide selection of options and settings, and is compatible with a ton of (touch) devices, including those running iOS, Android, Windows 8/8.1/10, Windows Phone 8.1 and Windows Mobile 10.

A markdown parser and compiler. Built for speed.

An extension to Leaflet that contains configurations for various free tile providers.

Rollup demo website

List of conventional commit types.

💻 Solarized Dark theme for Hyper terminal

a place for folks to get familiar with git/github

A clean hexo install. Hexo is a fast, simple & powerful blog framework, powered by Node.js

JavaScript library to help modern web applications with accessibility concerns

An attempt to use Karma to test Dojo based websites

Example of how to to use the ArcGIS API for JavaScript in an Angular CLI app

An Angular 2 service to help you load ArcGIS API for JavaScript Modules

Table of contents generator.

No description.

A sample application demonstrating how an application might be built against the Open Data API using Backbone.js and Marionette.js.

Use versioned assets with Acetate for cache-busting.

Example showing how to use Acetate in an NPM or CLI based build system

Grunt plugin for the Acetate static site tool.

Command line interface for Acetate.

Authoritative front-end development resources for Calcite design initiative. Includes extendable base components and styles, as well as a modular and efficient framework for ArcGIS properties.

Custom build tool for Esri Leaflet

slides for times i talk in front of people

It has been a busy year for Leaflet and Esri Leaflet. Check out performance improvements and new capabilities such as working with non-mercator projections, controlling layer ordering and integrating with JavaScript build systems.

Short talk on popular CSS tooling options as a part of the Modern Front-End Web Development training at Esri Developer Summit in March 2016.

Offline-capable Pokédex web site

Limited Error Raster Compression

JavaScript/WebGL vector maps library

Rollup plugin to minify generated bundle

Sample project for packages built using rollup.

The easiest way of running code in a browser environment

A responsive grid framework for Compass.

Keep multiple browsers & devices in sync when building websites. http://browsersync.io

3030 Game: Don't touch the trees! (Thanks, Chrome dev team!)

App for keeping track of places to visit

grunt-webdriver is a grunt plugin to run selenium tests with Jasmine and WebdriverJS

No description.

Expose GeoJSON services as Feature Services

Testbed for testing various methods of distributing modules

Parse KSS formatted sass documentation and add it to Press

No description.

A free Open Source CDN for webmasters and developers

Create a new node module with all the right stuff.

No description.

A powerful templating engine with inheritance, asynchronous control, and more (jinja2 inspired)

No description.

Sample for converting markdown to DITA XML. Don't ask.

2015 Dev Summit talk on the zen of CSS preprocessors

No description.

No description.

Dont ever do this.

Dont ever do this.

JavaScript library for mobile-friendly interactive maps

A bookmarklet for translating marketing speak into human-readable text.

Make geometries editable in Leaflet.

No description.

A custom element for flexible GIF playback

Everything you never wanted to know about maps...

This is the official repo for the CascadiaJS 2014 conference.

Command line script to import an ArcGIS Feature Service to the Geotrigger Service

A viewport width based grid system.

No description.

Data in GeoJSON format

Predawn is a dark interface and syntax theme for Sublime Text.

No description.

No description.

Documentation and demo site for the Formula Framework.

Shapefile in Leaflet

Let's fake location updates for Esri's Geotrigger Service!

Marker Clustering plugin for Leaflet

Talk about the SASS CSS preprocessor at Dev Summit 2014

Reveal JS theme for my Esri talks

A tiny, simple and fast heatmap plugin for Leaflet.

No description.

iOS Geotrigger SDK

No description.

No description.

LocalStorage module for Terraformer's GeoStore

RTree Index for Terraformer's GeoStore

GeoStore module for Terraformer

Well-Known Text parser for Terraformer

Solarized Theme for LimeChat

A Solarized theme for Sublime Text 2

No description.

d3 dymaxion fiddling

Personal dotfiles

No description.

Slides about the importance of API and a critique of issues in current API

Vector drawing plugin for Leaflet

No description.

This is the official repo for the CascadiaJS 2013 conference.

Just playing around with some things... Yeoman, GitHub Service Hooks for deployment, etc...

A starter site for Jekyll + Prose

No description.

Leaflet Extensions for viewing layers from ArcGIS Server

Sublime Text 2 Color Scheme that skins markdown files to look like iA Writer

Grunt task for running jasmine-node

Shapeshifter makes binding javascript functions to media queries easy.