method

suggest_gems_from_name

v1_9_3_392 - Show latest stable - 0 notes - Class: SpecFetcher

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suggest_gems_from_name(gem_name) public

Suggests a gem based on the supplied gem_name. Returns a string of the gem name if an approximate match can be found or nil otherwise. NOTE: for performance reasons only gems which exactly match the first character of gem_name are considered.

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# File lib/rubygems/spec_fetcher.rb, line 186
  def suggest_gems_from_name gem_name
    gem_name        = gem_name.downcase
    max             = gem_name.size / 2
    specs           = list.values.flatten 1

    matches = specs.map { |name, version, platform|
      next unless Gem::Platform.match platform

      distance = levenshtein_distance gem_name, name.downcase

      next if distance >= max

      return [name] if distance == 0

      [name, distance]
    }.compact

    matches = matches.uniq.sort_by { |name, dist| dist }

    matches.first(5).map { |name, dist| name }
  end

suggest_gems_from_name

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