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Elm is a functional, declarative programming language that compiles into efficient, readable HTML5/JS. Its creator is Evan Czaplicki, who created Elm for the browser but realized quickly that it can run anywhere. It is not uncommon for beginners to begin with JavaScript before migrating to Elm. Elms Toolkit Is an open-source project which provides a large selection of command line tools built in Elm. These tools are designed to help developers be productive with their workflow and projects quickly and easily. At a high level, a typical usage pattern of Elms Toolkit looks something like this: elm init – A standard way to setup a new project by specifying project name, elm version and starting directory. No dependencies is assumed as default. In order to create dependency , it's recommended to use the toolchain command as follows: elm tree – This command creates directories that contain all the packages required for your elm application. This step is only necessary when you need to build with any dependencies at runtime. For example, if you want to use a library which is not part of the Elm Toolkit , you will need to install this library before running elm install . elm install – To install a library. This is generally the command you would use to import a package from elm-repository. elm reactor – The reactor tool allows you to run the app by executing the following code: elm reactor start – Start your application locally at http://localhost:8000/ . elm reactor debug – Start your application locally at http://localhost:8000/ and attach (via WebSockets) the debugger to it. The debugger helps you step through complex Elm code by breaking on each event and allowing you to inspect your runtime state at each breakpoint. elm reactor test – This function runs elm-test and attaches your app to it via WebSockets, which allows you to debug your tests. elm atom – This function creates a new Elm project using the current directory name and generates a .edn file (a Clojure data format) which saves all dependencies for this particular project. elm reactor run -r elms-toolkit/my-app/package.json -w -- You can run any elm program via: ELM Platform is a free and open-source toolchain for web developers that enables Elm code to be written in one place and deployed to the browser or the server, with no runtime download necessary. The platform is structured around the Elm runtime and the Elm language, and designed to provide a smooth, walkable path to adopting Elm in production. Built on Node.js, the platform comprises four components: Elm Reactor is a full-featured development environment for writing and running Elm applications locally. It enables fast iteration by reloading code changes instantly when saved. Elm Try Server provides a simple local server with integrated syntax highlighting for trying out Elm code snippets in the browser or from within a terminal window. Elm Package Manager provides an easy way to install third-party packages from a variety of sources using elm install . cfa1e77820
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