OptionaldebugThis method is called when Sass emits a debug message due to a @debug
rule.
If this is undefined, Sass will print debug messages to standard error.
The debug message.
The location in the Sass source code that generated this debug message.
OptionalwarnThis method is called when Sass emits a warning, whether due to a @warn
rule or a warning
generated by the Sass compiler.
If this is undefined, Sass will print warnings to standard error.
options may contain the following fields:
The warning message.
An object that can be passed to LegacySharedOptions.logger to control how Sass emits warnings and debug messages.
Example