99 lines
2.2 KiB
Ruby
99 lines
2.2 KiB
Ruby
# frozen_string_literal: true
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require "dry/core/cache"
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require "dry/equalizer"
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require_relative "scope"
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module Hanami
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class View
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# Builds scope objects via matching classes
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#
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# @api private
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class ScopeBuilder
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extend Dry::Core::Cache
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include Dry::Equalizer(:namespace)
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# The view's configured `scope_namespace`
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#
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# @api private
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attr_reader :namespace
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# @return [RenderEnvironment]
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#
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# @api private
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attr_reader :render_env
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# Returns a new instance of ScopeBuilder
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#
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# @api private
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def initialize(namespace: nil, render_env: nil)
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@namespace = namespace
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@render_env = render_env
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end
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# @api private
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def for_render_env(render_env)
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return self if render_env == self.render_env
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self.class.new(namespace: namespace, render_env: render_env)
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end
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# Returns a new scope using a class matching the name
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#
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# @param name [Symbol, Class] scope name
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# @param locals [Hash<Symbol, Object>] locals hash
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#
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# @return [Hanami::View::Scope]
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#
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# @api private
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def call(name = nil, locals) # rubocop:disable Style/OptionalArguments
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scope_class(name).new(
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name: name,
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locals: locals,
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render_env: render_env
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)
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end
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private
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DEFAULT_SCOPE_CLASS = Scope
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def scope_class(name = nil)
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if name.nil?
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DEFAULT_SCOPE_CLASS
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elsif name.is_a?(Class)
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name
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else
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fetch_or_store(namespace, name) do
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resolve_scope_class(name: name)
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end
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end
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end
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def resolve_scope_class(name:)
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name = inflector.camelize(name.to_s)
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# Give autoloaders a chance to act
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begin
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klass = namespace.const_get(name)
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rescue NameError # rubocop:disable Lint/HandleExceptions
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end
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if !klass && namespace.const_defined?(name, false)
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klass = namespace.const_get(name)
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end
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if klass && klass < Scope
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klass
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else
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DEFAULT_SCOPE_CLASS
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end
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end
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def inflector
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render_env.inflector
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end
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end
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end
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end
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