Module: Textus::Manifest::Entry::Validators::PublishEach

Defined in:
lib/textus/manifest/entry/validators/publish_each.rb

Constant Summary collapse

KNOWN_VARS = 
%w[leaf basename key ext].freeze
VAR_RE = 
/\{([a-z]+)\}/
REQUIRED_DISCRIMINATOR_VARS = 
%w[leaf basename key].freeze

Class Method Summary collapse

Class Method Details

.call(entry) ⇒ Object

rubocop:disable Metrics/AbcSize

Raises:



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# File 'lib/textus/manifest/entry/validators/publish_each.rb', line 10

def self.call(entry) # rubocop:disable Metrics/AbcSize
  publish_each = entry.respond_to?(:publish_each) ? entry.publish_each : entry.raw["publish_each"]
  return if publish_each.nil?

  raise UsageError.new("entry '#{entry.key}': publish_each requires nested: true") unless entry.nested?

  publish_to = entry.respond_to?(:publish_to) ? entry.publish_to : Array(entry.raw["publish_to"])
  raise UsageError.new("entry '#{entry.key}': publish_to and publish_each are mutually exclusive") unless publish_to.empty?
  raise UsageError.new("entry '#{entry.key}': publish_each must be a string") unless publish_each.is_a?(String)

  used_vars = publish_each.scan(VAR_RE).flatten
  unknown = used_vars - KNOWN_VARS
  unless unknown.empty?
    raise UsageError.new(
      "entry '#{entry.key}': publish_each uses unknown template variable(s) " \
      "#{unknown.map { |v| "{#{v}}" }.join(", ")}. Known: #{KNOWN_VARS.map { |v| "{#{v}}" }.join(", ")}.",
    )
  end

  return if used_vars.any? { |v| REQUIRED_DISCRIMINATOR_VARS.include?(v) }

  raise UsageError.new(
    "entry '#{entry.key}': publish_each must reference at least one of {leaf}, {basename}, or {key} " \
    "(else every leaf would clobber the same target).",
  )
end