![]() ![]() #UNPKG THREE CODE#Workflowįor npm package authors, unpkg relieves the burden of publishing your code to a CDN in addition to the npm registry. This will also load more quickly because we won't have to resolve the latest version and redirect them. If you want users to be able to use the latest version when you cut a new release, the best policy is to put the version number in the URL directly in your installation instructions. Redirects are cached for 10 minutes at the CDN, 1 minute in browsers. This is the latest version when no version is specified, or the maxSatisfying version when a semver version is given. URLs that do not specify a package version number redirect to one that does. This works because npm does not allow package authors to overwrite a package that has already been published with a different one at the same version number.īrowsers are instructed (via the Cache-Control header) to cache assets indefinitely (1 year). The CDN caches files based on their permanent URL, which includes the npm package version. This feature is very experimental Cache Behavior any/file?meta) ?module Expands all “bare” import specifiers in JavaScript modules to unpkg URLs. ![]() Query Parameters ?meta Return metadata about any file in a package as JSON (e.g. use a “bare” URL), unpkg will serve the file specified by the unpkg field in package.json, or fall back to main.Īppend a / at the end of a URL to view a listing of all the files in a package. You may also use a semver range or a tag instead of a fixed version number, or omit the version/tag entirely to use the latest tag. Import ` to your `package.json` to enable ES6 modules in your node /: :version/:file Examples If three.js was installed with npm, you can load the component with: These components are always kept in sync with the core library, whereas similar third-party packages on npm are maintained by different people and may not be up to date.Įxamples do not need to be installed separately, but do need to be imported separately. They are referred to as "examples," because while you can use them off the shelf, they're also meant to be remixed and customized. Many other useful components - such as controls, loaders, and post-processing effects - are part of the directory. The core of three.js is focused on the most important components of a 3D engine. Since Import maps are not yet supported by all browsers, it is necessary to add the polyfill *es-module-shims.js*. It is also required to define an Import Map which resolves the bare module specifier `three`. Because the library relies on ES modules, any script that references it must use type="module" as shown below. ![]() The three.js library can be used without any build system, either by uploading files to your own web server or by using an existing CDN. Other popular parts of the library - such as controls, loaders, and post-processing effects - must be imported from the subfolder. Not all features are accessed directly through the three module (also called a "bare import"). While any modern JavaScript bundler can be used with three.js, the most popular choice is. When installing from npm, you'll almost always use some sort of to combine all of the packages your project requires into a single JavaScript file. Option 2: Import just the parts you need. Option 1: Import the entire three.js core library. Then you're ready to import it in your code: The package will be downloaded and installed. #UNPKG THREE INSTALL#To install the npm module, open a terminal window in your project folder and run: Mixing files from different sources may cause duplicate code to be included, or even break the application in unexpected ways.Īll methods of installing three.js depend on ES modules (see ), which allow you to include only the parts of the library needed in the final project. Whichever you choose, be consistent and import all files from the same version of the library. For most users, installing from npm is the best choice. You can install three.js with and modern build tools, or get started quickly with just static hosting or a CDN. ![]()
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