If this is a LegacyValue, that indicates that the function call completed successfully. If it's a Error, that indicates that the function call failed.
© 2006–2025 the Sass team, and numerous contributors
Licensed under the MIT License.
https://sass-lang.com/documentation/js-api/types/LegacyAsyncFunctionDone
The function called by a LegacyAsyncFunction to indicate that it's finished.
Deprecated
This only works with the legacy render and renderSync APIs. Use CustomFunction with compile, compileString, compileAsync, and compileStringAsync instead.