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# frozen_string_literal: true
module Nanoc::Helpers
module VersionsDropdown
STABLE_VERSIONS_REGEX = %r{^\d{1,2}\.\d{1,2}$}.freeze
#
# Determines whether or not to display the version banner on the frontend.
#
# Note: We only want the banner to display on production.
# Production is the only environment where we serve multiple versions.
#
def show_version_banner?
production? && !latest?
end
#
# Check if the current version is the latest.
#
def latest?
latest_version = @items['/_data/versions.yaml'][:online][0]
ENV['CI_COMMIT_REF_NAME'] == ENV['CI_DEFAULT_BRANCH'] || ENV['CI_COMMIT_REF_NAME'] == latest_version
end
#
# Stable versions regexp
#
# At most two digits for major and minor numbers.
#
def stable_version?(version)
version.match?(STABLE_VERSIONS_REGEX)
end
end
end
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