Input CSS source.
Process options.
sourceMappingURL content.
The CSS source identifier. Contains Input#file if the user
set the from option, or Input#id if they did not.
Was source map inlined by data-uri to input CSS.
Path to source map file.
The directory with source map file, if source map is in separated file.
Source map file content.
Create a instance of SourceMapGenerator class
from the source-map library to work with source map information.
It is lazy method, so it will create object only on first call and then it will use cache.
Object with source map information.
Does source map contains sourcesContent with input source text.
Is sourcesContent present.
Source map information from input CSS. For example, source map after Sass compiler.
This class will automatically find source map in input CSS or in file system near input file (according
fromoption).