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34 lines
738 B
Elixir
34 lines
738 B
Elixir
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defmodule PlausibleWeb.TextHelpers do
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@moduledoc false
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@spec pretty_join([String.t()]) :: String.t()
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@doc """
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Turns a list of strings into a string and replaces the last comma
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with the word "and".
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### Examples:
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iex> ["one"] |> PlausibleWeb.TextHelpers.pretty_join()
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"one"
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iex> ["one", "two"] |> PlausibleWeb.TextHelpers.pretty_join()
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"one and two"
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iex> ["one", "two", "three"] |> PlausibleWeb.TextHelpers.pretty_join()
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"one, two and three"
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"""
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def pretty_join([str]), do: str
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def pretty_join(list) do
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[last_string | rest] = Enum.reverse(list)
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rest_string =
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rest
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|> Enum.reverse()
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|> Enum.join(", ")
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"#{rest_string} and #{last_string}"
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end
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end
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