class GulpRunner::CommandUtils
Public Class Methods
find_command(cmd, paths = [])
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stackoverflow.com/questions/2108727/which-in-ruby-checking-if-program-exists-in-path-from-ruby
# File lib/gulp-runner/command_utils.rb, line 12 def self.find_command(cmd, paths = []) exts = ENV['PATHEXT'] ? ENV['PATHEXT'].split(';') : [''] paths += ENV['PATH'].split(File::PATH_SEPARATOR) paths.each do |path| exts.each do |ext| exe = File.join(path, "#{cmd}#{ext}") return exe if (File.executable?(exe) && File.file?(exe)) end end nil end
get_command(command_name)
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# File lib/gulp-runner/command_utils.rb, line 3 def self.get_command(command_name) entries = Dir.entries(GulpRunner.root_path) npm_path = File.join(GulpRunner.root_path, 'node_modules', '.bin') command = CommandUtils.find_command(command_name, [npm_path]) return command if !command.nil? raise Exception end