FortyTwo.Utils

Documentation

noBuffering :: IO ()

Disable the stdin stdout output buffering

restoreBuffering :: IO ()

Enaable the stdin stdout buffering

noEcho :: IO ()

Avoid echoing the user input

restoreEcho :: IO ()

Restore the user input echos

clearLines :: Int -> IO ()

Clear terminal lines from the current cursor position

map' :: (Int -> a -> b) -> [a] -> [b]

Map a collection with an index

filter' :: Eq a => (Int -> a -> Bool) -> [a] -> [a]

Filter a collection with index

getKey :: IO String

Get the value of any keyboard press

flush :: IO ()

Flush the output buffer

getOptionsMeta :: Options -> (Int, Int, Maybe Int)

Get useful informations from the options collection, like minVal, maxVal, activeIndex

getOptionsLines :: Options -> Int

Get the amount of breaking lines needed to display all the options

stringsToOptions :: [String] -> Options

Convert a string array to

focusOption :: Int -> Options -> Options

Give the focus to a single option in the collection

addBreakingLinesSpacing :: String -> String -> String

Normalise the select/multiselect multi lines adding the spaces to format them properly

toggleFocusedOption :: Int -> Options -> Options

Toggle the isSelected flag for a single option

toCommaSeparatedString :: [String] -> String

Print a list to comma separated

getOptionValue :: Option -> String

Get the value of any option

getOptionIsFocused :: Option -> Bool

Get the is focused attribute of any option

getOptionIsSelected :: Option -> Bool

Get the is selected attribute of any option

getFocusedOptionIndex :: Options -> Maybe Int

Get the index of the option selected

getSelecteOptionsIndexes :: Options -> [Int]

Filter the indexes of the options selected