Sha256: a42dfc7b7aa31f6b278c6bb4dcab787e190df5916e931e5a69bd2ad42d230dba
Contents?: true
Size: 1009 Bytes
Versions: 11
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Stored size: 1009 Bytes
Contents
module Stairs
module Util
module CLI
class << self
def get(prompt)
print prompt
response = $stdin.gets.strip
response.present? ? response : nil
end
def collect(*args, &block)
Collector.new(*args, &block).run
end
end
private
class Collector
def initialize(prompt, options={}, &block)
@prompt = prompt
@options = options.reverse_merge required: true
@validator = block
end
def run
times, value = 0, nil
until valid?(value, times)
value = CLI.get(prompt.blue)
times += 1
end
value
end
private
def valid?(value, times)
if validator
validator.call(value, times)
else
!!value || (!options[:required] && times > 0)
end
end
attr_reader :prompt, :options, :validator
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems