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credo
0.4.5
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1.4.1
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1.0.0
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0.5.1
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0.4.10
0.4.10-dev
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0.4.7
0.4.6
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0.4.4
0.4.3
0.4.2
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0.4.0-beta5
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0.3.0-dev
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0.1.10
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0.1.8
0.1.7
0.1.6
0.1.5
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0.1.1
0.1.0
0.0.1-dev
A static code analysis tool with a focus on code consistency and teaching.
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lib/credo/cli/output/ui.ex
defmodule Credo.CLI.Output.UI do
@edge "┃"
@ellipsis "…"
def edge(color, indent \\ 2) when is_integer(indent) do
[:reset, color, @edge |> String.ljust(indent)]
end
defdelegate puts, to: Bunt
defdelegate puts(v), to: Bunt
def puts(v, color), do: Bunt.puts([color, v])
def puts_edge(color, indent \\ 2) when is_integer(indent) do
color
|> edge(indent)
|> puts
end
def wrap_at(text, number) do
"(?:((?>.{1,#{number}}(?:(?<=[^\\S\\r\\n])[^\\S\\r\\n]?|(?=\\r?\\n)|$|[^\\S\\r\\n]))|.{1,#{number}})(?:\\r?\\n)?|(?:\\r?\\n|$))"
|> Regex.compile!
|> Regex.scan(text)
|> Enum.map(&List.first/1)
|> List.delete_at(-1)
end
@doc """
Truncate a line to fit within a specified maximum length.
Truncation is indicated by a trailing ellipsis (…), and you can override this
using an optional third argument.
iex> Credo.CLI.Output.UI.truncate(" 7 chars\\n", 7)
" 7 ch…"
iex> Credo.CLI.Output.UI.truncate(" more than 7\\n", 7)
" more…"
iex> Credo.CLI.Output.UI.truncate(" more than 7\\n", 7, " ...")
" m ..."
"""
def truncate(_line, max_length) when max_length <= 0, do: ""
def truncate(line, max_length) when max_length > 0 do
truncate(line, max_length, @ellipsis)
end
def truncate(_line, max_length, _ellipsis) when max_length <= 0, do: ""
def truncate(line, max_length, ellipsis) when max_length > 0 do
cond do
String.length(line) <= max_length -> line
String.length(ellipsis) >= max_length -> ellipsis
true ->
chars_to_display = max_length - String.length(ellipsis)
String.slice(line, 0, chars_to_display) <> ellipsis
end
end
end