module IOStreams::Utils
Constants
- MAX_TEMP_FILE_NAME_ATTEMPTS
Public Class Methods
blank?(value)
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Helper method: Returns [true|false] if a value is blank?
# File lib/io_streams/utils.rb, line 15 def self.blank?(value) if value.nil? true elsif value.is_a?(String) value !~ /\S/ else value.respond_to?(:empty?) ? value.empty? : !value end end
load_soft_dependency(gem_name, stream_type, require_name = gem_name)
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Lazy load dependent gem so that it remains a soft dependency.
# File lib/io_streams/utils.rb, line 8 def self.load_soft_dependency(gem_name, stream_type, require_name = gem_name) require require_name rescue LoadError => e raise(LoadError, "Please install the gem '#{gem_name}' to support #{stream_type}. #{e.message}") end
temp_file_name(basename, extension = "") { |tmpname| ... }
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Yields the path to a temporary file_name.
File is deleted upon completion if present.
# File lib/io_streams/utils.rb, line 28 def self.temp_file_name(basename, extension = "") result = nil ::Dir::Tmpname.create([basename, extension], IOStreams.temp_dir, max_try: MAX_TEMP_FILE_NAME_ATTEMPTS) do |tmpname| result = yield(tmpname) ensure ::File.unlink(tmpname) if ::File.exist?(tmpname) end result end