lib/opal/parser/patch.rb


# frozen_string_literal: true

if RUBY_ENGINE == 'opal'
  class Parser::Lexer::Literal
    undef :extend_string

    def extend_string(string, ts, te)
      @buffer_s ||= ts
      @buffer_e = te

      # Patch for opal-parser, original:
      # @buffer << string
      @buffer += string
    end
  end

  class Parser::Source::Buffer
    def source_lines
      @lines ||= begin
        lines = @source.lines.to_a
        lines << '' if @source.end_with?("\n")
        lines.map { |line| line.chomp("\n") }
      end
    end
  end
end