Module exports in coffeescript

sqltext.coffee

# Without the anonymous function wrapper, it seemed to only export the first value.
(->
	exports.getTopOfQueue = """
		SELECT TOP 10 
			[Id],[CreatedOn],[LastAttemptOn],[Application],[Class],[From],[To],[Subject],[BodyUrl],[BodyHtml],[JsonDetails] 
		FROM [EmailQueue] 
		WHERE [LastAttemptOn] < DATEADD(m, -15, SYSUTCDATETIME()) 
		ORDER BY [Id]
	"""

	exports.unsentEmailQueueItem="""
		UPDATE [EmailQueue]
		SET	[LastAttemptedOn] = SYSUTCDATETIME()
			,[JsonDetails] = @details
		WHERE [Id] = @id
	"""

	exports.sentEmailQueueItem="""
		BEGIN TRANS
			INSERT INTO [EmailSent] ([CreatedOn],[LastAttemptOn],[Application],[Class],[From],[To],[Subject],[BodyUrl],[BodyHtml],[JsonDetails])
			SELECT	eq.[CreatedOn]
					,eq.[LastAttemptOn]
					,eq.[Application]
					,eq.[Class]
					,eq.[From]
					,eq.[To]
					,eq.[Subject]
					,eq.[BodyUrl]
					,@bodyHtml
					,@details
			FROM [EmailQueue] eq
			WHERE eq.[Id] = @id;

			DELETE FROM [EmailQueue] WHERE [Id] = @id;
		COMMIT TRANS
	"""

)() #end anonymous self-executing function

console.dir(require("./sqltext")) outputs { getTopOfQueue: '...' } not the rest.

If I wrap the entire thing in an anonymous self executing function, it seems to work... (<- ... )()