Source: deprecated.js

  1. /**
  2.  * Used to deprecate what ever you want
  3.  * @module react-cmf/lib/deprecated
  4.  */
  6. /* eslint-disable prefer-rest-params */
  7. /* eslint-disable no-console */
  9. /**
  10.  * display a deprecated message on the first call of a function.
  11.  * @param  {Function} fn  the function to deprecate
  12.  * @param  {String}   msg the message to display
  13.  * @param  {function}   log [description]
  14.  * @return {any}       the content of fn;
  15.  */
  16. export default function deprecated(fn, msg, log) {
  17. 	let called = false;
  18. 	function wrapper() {
  19. 		if (!called) {
  20. 			called = true;
  21. 			let message = msg;
  22. 			if (typeof msg === 'function') {
  23. 				message = msg(arguments);
  24. 			}
  26. 			message = `DEPRECATED: ${message}`;
  28. 			if (log) {
  29. 				log(message);
  30. 			} else if (console) {
  31. 				if (console.warn) {
  32. 					console.warn(message);
  33. 				} else if (console.log) {
  34. 					console.log(message);
  35. 				}
  36. 			}
  37. 		}
  38. 		return fn.apply(this, arguments);
  39. 	}
  40. 	wrapper.wrappedFunction = fn;
  41. 	return wrapper;
  42. }