45 lines
957 B
Ruby
45 lines
957 B
Ruby
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# frozen_string_literal: true
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class TestComponent < ActionView::Base
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include ActiveModel::Validations
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validates :title, presence: true
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delegate :render, to: :view_context
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def initialize(title:)
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@title = title
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end
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# Entrypoint for rendering. Called by ActionView::RenderingHelper#render.
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#
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# Returns ActionView::OutputBuffer.
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def render_in(view_context)
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self.class.compile
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@view_context = view_context
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validate!
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rendered_template
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end
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def self.template
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<<~'erb'
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<span title="<%= title %>">(<%= render(plain: "Inline render") %>)</span>
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erb
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end
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def self.compile
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@compiled ||= nil
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return if @compiled
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class_eval(
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"def rendered_template; @output_buffer = ActionView::OutputBuffer.new; " +
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ActionView::Template::Handlers::ERB.erb_implementation.new(template, trim: true).src +
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"; end"
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)
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@compiled = true
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end
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private
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attr_reader :title, :view_context
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end
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