analytics/lib/plausible_web/views/text_helpers.ex

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Elixir
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defmodule PlausibleWeb.TextHelpers do
@moduledoc false
@spec pretty_join([String.t()]) :: String.t()
@doc """
Turns a list of strings into a string and replaces the last comma
with the word "and".
### Examples:
iex> ["one"] |> PlausibleWeb.TextHelpers.pretty_join()
"one"
iex> ["one", "two"] |> PlausibleWeb.TextHelpers.pretty_join()
"one and two"
iex> ["one", "two", "three"] |> PlausibleWeb.TextHelpers.pretty_join()
"one, two and three"
"""
def pretty_join([str]), do: str
def pretty_join(list) do
[last_string | rest] = Enum.reverse(list)
rest_string =
rest
|> Enum.reverse()
|> Enum.join(", ")
"#{rest_string} and #{last_string}"
end
def format_date_range(date_range) do
"#{format_date(date_range.first)} - #{format_date(date_range.last)}"
end
def format_date(date) do
Timex.format!(date, "{Mshort} {D}, {YYYY}")
end
end