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Add support for disabling colors #259
Description
Activity
Color isn't really a property of the layout since annotations are preserved unchanged in
SimpleDocStream annafter layout but before rendering, e.g. when usinglayoutPretty.You can easily ignore colors in a
SimpleDocStream AnsiColorby usingunAnnotateS :: SimpleDocStream a -> SimpleDocStream xxxwhich removes all annotations and would thus remove all colors. If you have a mix of annotations you want to preserve you can also usereAnnotateSto remove colors without too much difficulty.We could consider checking for
NO_COLORor at least adding documentation about it inprettyprinter-ansi-terminal.I'm more inclined towards documentation.
LayoutOptions should have a
layoutColorfield that lets you output the document without any colors. Another option could be to automatically read theNO_COLORenv variable as described in https://no-color.org/