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33 lines
619 B
Elixir
33 lines
619 B
Elixir
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defmodule PhilomenaQuery.Parse.String do
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@moduledoc """
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Search string normalization utilities.
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"""
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@doc """
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Convert a multiline or empty search string into a single search string.
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## Examples
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iex> Search.String.normalize(nil)
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""
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iex> Search.String.normalize("foo\nbar")
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"(foo) || (bar)"
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"""
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@spec normalize(String.t() | nil) :: String.t()
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def normalize(str)
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def normalize(nil) do
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""
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end
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def normalize(str) do
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str
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|> String.replace("\r", "")
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|> String.split("\n", trim: true)
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|> Enum.map(fn s -> "(#{s})" end)
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|> Enum.join(" || ")
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end
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end
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