class Phlex::CSV

def escape(value)
	value = trim_whitespace? ? value.to_s.strip : value.to_s
	first_char = value[0]
	last_char = value[-1]
	if escape_csv_injection? && FORMULA_PREFIXES.include?(first_char)
		# Prefix a single quote to prevent Excel, Google Docs, etc. from interpreting the value as a formula.
		# See https://owasp.org/www-community/attacks/CSV_Injection
		%("'#{value.gsub('"', '""')}")
	elsif (!trim_whitespace? && (SPACE_CHARACTERS.include?(first_char) || SPACE_CHARACTERS.include?(last_char))) || value.include?('"') || value.include?(",") || value.include?("\n")
		%("#{value.gsub('"', '""')}")
	else
		value
	end
end