Allow suncalc to be exported via globalThis

Author: atjn

modules/.eslintrc.js

@@ -92,6 +92,7 @@ module.exports = {
         "getSerial": "readonly",
         "getTime": "readonly",
         "global": "readonly",
+        "globalThis": "writable",
         "HIGH": "readonly",
         "I2C1": "readonly",
         "Infinity": "readonly",

modules/suncalc.js

@@ -336,6 +336,6 @@ SunCalc.getMoonTimes = function (date, lat, lng, inUTC) {
 // export as Node module / AMD module / browser variable
 if (typeof exports === 'object' && typeof module !== 'undefined') module.exports = SunCalc;
 //else if (typeof define === 'function' && define.amd) define(SunCalc);
-//else window.SunCalc = SunCalc;
+else globalThis.SunCalc = SunCalc;
 
 }());