assets_download {shinylive}

Manage shinylive assets

Description

Helper methods for managing shinylive assets.

Usage

assets_download(
  version = assets_version(),
  ...,
  dir = assets_cache_dir(),
  url = assets_bundle_url(version)
)

assets_ensure(
  version = assets_version(),
  ...,
  dir = assets_cache_dir(),
  url = assets_bundle_url(version)
)

assets_cleanup(..., dir = assets_cache_dir())

assets_remove(versions, ..., dir = assets_cache_dir())

assets_info(quiet = FALSE)

assets_version()

Arguments

version

The version of the assets to download.

...

Ignored.

dir

The asset cache directory. Unless testing, the default behavior should be used.

url

The URL to download the assets from. Unless testing, the default behavior should be used.

versions

The assets versions to remove.

quiet

In assets_info(), if quiet = TRUE, the function will not print the assets information to the console.

Value

assets_version() returns the version of the currently supported Shinylive.

All other methods return invisible().

Functions

• assets_download(): Downloads the shinylive assets bundle from GitHub and extracts it to the specified directory. The bundle will always be downloaded from GitHub, even if it already exists in the cache directory (⁠dir=⁠).

• assets_ensure(): Ensures a local copy of shinylive is installed. If a local copy of shinylive is not installed, it will be downloaded and installed. If a local copy of shinylive is installed, its path will be returned.

• assets_cleanup(): Removes local copies of shinylive web assets, except for the one used by the current version of shinylive.

• assets_remove(): Removes a local copies of shinylive web assets.

• assets_info(): Prints information about the local shinylive assets that have been installed. Invisibly returns a table of installed asset versions and their associated paths.

• assets_version(): Returns the version of the currently supported Shinylive assets version. If the SHINYLIVE_ASSETS_VERSION environment variable is set, that value will be used.