I used this for the example if someone want's to play with it:
defmodule Colorize do
def compare() do
"""
IO.inspect-IO.innspect
IO.inspect-IO.ispect
IO.inspect-IO.imspect
IO.inspect-IO.inspcet
"""
|> String.split("\n", trim: true)
|> Enum.each(fn x ->
[l, r] = String.split(x, "-")
compare(l, r)
end)
end
def compare(expected, expected), do: expected
def compare(expected, rendered) do
{%ExUnit.Diff{left: {_, _, left}, right: {_, _, right}}, _} =
ExUnit.Diff.compute(expected, rendered, :==)
IO.puts(["did you mean: ", colorize(left, right)])
end
defp colorize([{_, _, added}, r1], [{_, _, deleted}, r2]) do
[added(added), deleted(deleted), colorize(r1, r2)]
end
defp colorize([], []), do: []
defp colorize([{_, _, added} | r1], r2), do: [added(added), colorize(r1,
r2)]
defp colorize(r1, [{_, _, deleted} | r2]), do: [deleted(deleted),
colorize(r1, r2)]
defp colorize([{_, _, added}], []), do: added(added)
defp colorize([], [{_, _, deleted}]), do: deleted(deleted)
defp colorize([h | r1], [h | r2]), do: [h, colorize(r1, r2)]
defp added(text), do: IO.ANSI.format([:green_background, text])
defp deleted(text), do: IO.ANSI.format([:red_background, text])
end
On Friday, January 21, 2022 at 6:26:09 PM UTC Daniel Kukuła wrote:
> I think it can be done on the suggestion only - showing different colors
> like here - second example is currently selected but you can see it with
> the same background
>
> On Friday, January 21, 2022 at 11:08:14 AM UTC José Valim wrote:
>
>> I would love to see how a prototype of this would work. One difficulty to
>> keep in mind is that, for a diff to work, you need to show both options
>> side by side. And I am not sure if repeating what you typed wrong will be
>> helpful. But someone has to play with those ideas before we are sure. :)
>>
>> On Wed, Jan 19, 2022 at 7:05 PM Daniel Kukuła <danie...@gmail.com> wrote:
>>
>>> ExUnit has this nice feature that it's showing the differences between
>>> the expectation and result in different colors. It would be nice to have
>>> something similar with the `did you mean suggestions`.
>>> Rationale:
>>> It's not the first time that when I made a typo and the compiler suggest
>>> the right function/module I'm struggling to see the difference between my
>>> code and the suggestions. With short strings it's easy but I got deeply
>>> nested modules and sometimes it takes some time to spot the typo.
>>>
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>>> .
>>>
>>
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