Add editorconfig file for consistent indentation

.editorconfig

@@ -0,0 +1,22 @@
+root = true
+
+[*]
+indent_style = tab
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.min.js]
+insert_final_newline = false
+
+# It's not ideal to have 2 different styles, but this is just codifying what
+# already existed in the project.
+[*.{md,ts}]
+indent_style = space
+
+# Standard style for GitHub workflow files
+[*.yml]
+indent_style = space
+indent_size = 2

moment-timezone-utils.js

@@ -8,9 +8,9 @@
 	"use strict";
 
 	/*global define*/
-    if (typeof module === 'object' && module.exports) {
-        module.exports = factory(require('./'));     // Node
-    } else if (typeof define === 'function' && define.amd) {
+	if (typeof module === 'object' && module.exports) {
+		module.exports = factory(require('./'));     // Node
+	} else if (typeof define === 'function' && define.amd) {
 		define(['moment'], factory);                 // AMD
 	} else {
 		factory(root.moment);                        // Browser
@@ -201,8 +201,8 @@
 					if (a.population > b.population) {
 						group.unshift(a);
 					} else if (a.population === b.population && groupLeaders && groupLeaders[a.name]) {
-                        group.unshift(a);
-                    } else {
+						group.unshift(a);
+					} else {
 						group.push(a);
 					}
 					foundGroup = true;

moment-timezone.js

@@ -159,10 +159,10 @@
 		} else if (num >= arr[len - 1]) {
 			return -1;
 		}
-	
+
 		var mid;
 		var lo = 0;
-		var hi = len - 1;  
+		var hi = len - 1;
 		while (hi - lo > 1) {
 			mid = Math.floor((lo + hi) / 2);
 			if (arr[mid] <= num) {
@@ -173,7 +173,7 @@
 		}
 		return hi;
 	}
-	
+
 	Zone.prototype = {
 		_set : function (unpacked) {
 			this.name       = unpacked.name;