demo/amd/rjs/output/unified/plain-precompiled-build.js
function lookupLevel(level) {
	    if (typeof level === 'string') {
	      var levelMap = _utils.indexOf(logger.methodMap, level.toLowerCase());
	      if (levelMap >= 0) {
	        level = levelMap;
	      } else {
	        level = parseInt(level, 10);
	      }
	    }

	    return level;
	  }
function lookupLevel(level) {
	    if (typeof level === 'string') {
	      var levelMap = _utils.indexOf(logger.methodMap, level.toLowerCase());
	      if (levelMap >= 0) {
	        level = levelMap;
	      } else {
	        level = parseInt(level, 10);
	      }
	    }

	    return level;
	  }
Maps a given level value to the `methodMap` indexes above.