122 lines
3.0 KiB
Ruby
122 lines
3.0 KiB
Ruby
require "utils/tty"
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module Formatter
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module_function
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def arrow(string, color: nil)
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prefix("==>", string, color)
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end
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def headline(string, color: nil)
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arrow("#{Tty.bold}#{string}#{Tty.reset}", color: color)
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end
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def identifier(string)
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"#{Tty.green}#{string}#{Tty.default}"
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end
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def option(string)
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"#{Tty.bold}#{string}#{Tty.reset}"
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end
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def success(string, label: nil)
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label(label, string, :green)
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end
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def warning(string, label: nil)
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label(label, string, :yellow)
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end
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def error(string, label: nil)
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label(label, string, :red)
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end
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def url(string)
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"#{Tty.underline}#{string}#{Tty.no_underline}"
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end
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def label(label, string, color)
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label = "#{label}:" unless label.nil?
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prefix(label, string, color)
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end
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private_class_method :label
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def prefix(prefix, string, color)
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if prefix.nil? && color.nil?
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string
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elsif prefix.nil?
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"#{Tty.send(color)}#{string}#{Tty.reset}"
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elsif color.nil?
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"#{prefix} #{string}"
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else
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"#{Tty.send(color)}#{prefix}#{Tty.reset} #{string}"
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end
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end
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private_class_method :prefix
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def columns(*objects, gap_size: 2)
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objects = objects.flatten.map(&:to_s)
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fallback = proc do
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return objects.join("\n").concat("\n")
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end
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fallback.call if objects.empty?
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fallback.call if respond_to?(:tty?) ? !tty? : !$stdout.tty?
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console_width = Tty.width
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object_lengths = objects.map { |obj| Tty.strip_ansi(obj).length }
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cols = (console_width + gap_size) / (object_lengths.max + gap_size)
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fallback.call if cols < 2
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rows = (objects.count + cols - 1) / cols
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cols = (objects.count + rows - 1) / rows # avoid empty trailing columns
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col_width = (console_width + gap_size) / cols - gap_size
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gap_string = "".rjust(gap_size)
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output = ""
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rows.times do |row_index|
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item_indices_for_row = row_index.step(objects.size - 1, rows).to_a
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first_n = item_indices_for_row[0...-1].map do |index|
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objects[index] + "".rjust(col_width - object_lengths[index])
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end
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# don't add trailing whitespace to last column
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last = objects.values_at(item_indices_for_row.last)
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output.concat((first_n + last).join(gap_string)).concat("\n")
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end
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output
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end
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def pluralize(count, singular, plural = nil, show_count: true)
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return (show_count ? "#{count} #{singular}" : singular.to_s) if count == 1
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*adjectives, noun = singular.to_s.split(" ")
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plural ||= {
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"formula" => "formulae",
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}.fetch(noun, "#{noun}s")
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words = adjectives.push(plural).join(" ")
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show_count ? "#{count} #{words}" : words
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end
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def comma_and(*items)
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# TODO: Remove when RuboCop 0.57.3 is released.
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# False positive has been fixed and merged, but is not yet in a
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# stable release: https://github.com/rubocop-hq/rubocop/pull/6038
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*items, last = items.map(&:to_s) # rubocop:disable Lint/ShadowedArgument
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return last if items.empty?
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"#{items.join(", ")} and #{last}"
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end
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end
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