fjord/ls.rb
2024-04-15 22:48:09 +09:00

69 lines
2 KiB
Ruby

# frozen_string_literal: true
COLUMNS = 3
files = []
def run(files)
served = serve(files)
sliced = slice(served)
filled = fill(sliced)
arranged(filled)
end
# def serve(files)
# Dir.glob('*').each do |file|
# files = file
# end
# end
def serve(files)
files.concat(Dir.glob('*'))
end
def slice(served)
element = if (served.size % COLUMNS).zero?
served.size / COLUMNS
else
served.size / COLUMNS + 1
end
served.each_slice(element).to_a
end
def fill(sliced)
array_size = sliced.map(&:size).max
sliced.each do |slice|
slice << '' while slice.size < array_size
end
sliced.transpose
end
def arranged(filled)
element2 = filled.flatten.map(&:size).max
filled.each do |arrange|
arrange.each do |arranged|
print arranged.ljust(element2 + 5)
end
puts
end
end
run(files)
# ls.rb:13:11: W: [Correctable] Lint/UnusedMethodArgument: Unused method argument - files. If it's necessary, use _ or _files as an argument name to indicate that it won't be used. If it's unnecessary, remove it. You can also write as serve(*) if you want the method to accept any arguments but don't care about them.
# def serve(files)
# ls.rb:27:27: C: [Correctable] Style/SymbolProc: Pass &:size as an argument to map instead of a block.
# array_size = sliced.map { |array| array.size }.max
# ^^^^^^^^^^^^^^^^^^^^^^
# ls.rb:34:1: C: Metrics/AbcSize: Assignment Branch Condition size for arranged is too high. [<5, 20, 6> 21.47/17]
# def arranged(filled) ...
# ^^^^^^^^^^^^^^^^^^^^
# ls.rb:34:1: C: Metrics/MethodLength: Method has too many lines. [14/10]
# def arranged(filled) ...
# ^^^^^^^^^^^^^^^^^^^^
# ls.rb:35:33: C: [Correctable] Style/SymbolProc: Pass &:size as an argument to map instead of a block.
# element2 = filled.flatten.map { |array| array.size }.max
# ^^^^^^^^^^^^^^^^^^^^^^
# ls.rb:43:32: W: Lint/ShadowingOuterLocalVariable: Shadowing outer local variable - arrange.
# arrange.compact.each do |arrange|
# ^^^^^^^