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description=The CDN for everything on npm;

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Text of the page (random words):
unpkg unpkg unpkg is a fast global content delivery network for everything on npm use it to quickly and easily load any file on npm using a url like unpkg com pkg ver file https unpkg com package version file pkg package is the name of the package on npm ver version is the version of the package file is the path to a file in the package for example unpkg com preact 10 26 4 dist preact min js unpkg com react 18 3 1 umd react production min js unpkg com three 0 174 0 build three module min js you can also use any valid semver range or npm tag unpkg com preact latest dist preact min js unpkg com react 18 umd react production min js if you don t specify a version the latest tag is used by default unpkg com preact dist preact min js unpkg com vue dist vue esm browser prod js add a trailing to a directory url to view a listing of all the files in that directory unpkg com react unpkg com preact src unpkg com react router if you d like to browse an older version of a package include a version number in the url unpkg com react 18 unpkg com react router 5 if you don t specify a file path unpkg will resolve the file based on the package s default entry point in many packages that are meant solely for frontend development like jquery and gsap this will be the value of the main field in the package json file unpkg com jquery unpkg com gsap in modern packages that use the exports field unpkg will resolve the file using the default export condition so for example if you publish a package with the following package json name my package exports default dist index js you would be able to load your package from unpkg using a script tag like script src https unpkg com my package script the full exports spec is supported including subpaths so if your package json looks like name my package exports exp default dist exp js you can load the exp subpath with script src https unpkg com my package exp script custom export conditions are supported via the conditions query parameter this allows you to load a different file based on the environment or other conditions for example to fetch react using the react server condition you could do fetch https unpkg com react conditions react server if you d like to specify a custom build of your package that should be used as the default entry point on unpkg you can use either the unpkg field in your package json or the unpkg export condition in your exports field name my package unpkg dist index unpkg js this works exports unpkg dist index unpkg js this works too default dist index js nobuild apps unpkg is ideal for loading dependencies in apps that run entirely in the browser without a build step you can load javascript modules from unpkg directly in your html using an import map below is a fully functional preact app that does not require a build in order to run doctype html html lang en head meta charset utf 8 script type importmap imports preact https unpkg com preact 10 25 4 dist preact module js preact hooks https unpkg com preact 10 25 4 hooks dist hooks module js htm https unpkg com htm 3 1 1 dist htm module js script head body script type module import h render from preact import usestate from preact hooks import htm from htm const html htm bind h function app let count setcount usestate 0 return html div p count count p button onclick setcount count 1 increment button div render html app document body script body html no bundler required this is ideal for small projects prototypes or any situation where you d like to get something up and running quickly without setting up a build pipeline metadata api unpkg serves metadata about the files in a package when you append meta to any package root or subdirectory url for example unpkg com react router 7 3 0 meta unpkg com react router 7 3 0 dist meta this will return a json object with information about the files in that directory including path size type and subresource integrity value package react router version 7 3 0 prefix dist files path dist development dom export js size 195045 type text javascript integrity sha256 z5j8ohosgkvfgajbtw8sbj m68llmgltsjdhk4a5uya path dist production dom export js size 195047 type text javascript integrity sha256 gh8wmhw9mo5imabq7foc7szdmremno 7qr8ktk4ebgy cache performance unpkg is a mirror of everything on npm every file on npm is automatically available on unpkg com within minutes of being published additionally unpkg runs on cloudflare s global edge network using cloudflare workers which allow unpkg to serve billions of requests every day with low latency from hundreds of locations worldwide the serverless nature of cloudflare workers also allows unpkg to scale immediately to satisfy sudden spikes in traffic files are cached on cloudflare s global content delivery network based on their permanent url which includes the npm package version 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 urls that do not specify a fully resolved package version number redirect to one that does this is the latest version when none is specified or the maximum satisfying version when a semver range is given for the best chance of getting a cache hit use the full package version number and file path in your unpkg urls instead of an npm tag or semver range for example a url like unpkg com preact 10 will not be a direct cache hit because unpkg needs to resolve the version 10 to the latest matching version of preact published with that major plus it needs to figure out which file to serve so a short url like this will always cause a redirect to the permanent url for that resource if you need to make sure you hit the cache use a fixed version number and the full file path like unpkg com preact 10 5 0 dist preact min js about unpkg is an open source project from mjackson unpkg is not affiliated with or supported by npm in any way please do not contact npm for help with unpkg instead please reach out to unpkg with any questions or concerns overview nobuild apps metadata api cache performance about