Switch goog.global to original implementation to maintain existing behavior.

Note to users: this behavior may revert back again in the future so try to avoid depending on it.

PiperOrigin-RevId: 724437584

Author: gkdn

lib/base.js

@@ -48,7 +48,16 @@ var goog = goog || {};
  * @type {!Global}
  * @deprecated Use `globalThis` directly; this version will be deleted.
  */
-goog.global = globalThis;
+goog.global =
+    // Check `this` first for backwards compatibility.
+    // Valid unless running as an ES module or in a function wrapper called
+    //   without setting `this` properly.
+    // Note that base.js can't usefully be imported as an ES module, but it may
+    // be compiled into bundles that are loadable as ES modules.
+    this ||
+    // https://developer.mozilla.org/en-US/docs/Web/API/Window/self
+    // For in-page browser environments and workers.
+    self;
 
 
 /**
@@ -72,7 +81,7 @@ goog.global = globalThis;
  *
  * @type {!Object<string, (string|number|boolean)>|null|undefined}
  */
-globalThis.CLOSURE_DEFINES;
+goog.global.CLOSURE_DEFINES;
 
 
 /**
@@ -87,12 +96,12 @@ globalThis.CLOSURE_DEFINES;
  *     controls whether object should overwrite the implicitly constructed
  *     namespace or be merged into it. Defaults to false.
  * @param {?Object=} objectToExportTo The object to add the path to; if this
- *     field is not specified, its value defaults to `globalThis`.
+ *     field is not specified, its value defaults to `goog.global`.
  * @private
  */
 goog.exportPath_ = function(name, object, overwriteImplicit, objectToExportTo) {
   var parts = name.split('.');
-  var cur = objectToExportTo || globalThis;
+  var cur = objectToExportTo || goog.global;
 
   // Internet Explorer exhibits strange behavior when throwing errors from
   // methods externed in this manner.  See the testExportSymbolExceptions in
@@ -144,7 +153,7 @@ goog.exportPath_ = function(name, object, overwriteImplicit, objectToExportTo) {
 goog.define = function(name, defaultValue) {
   var value = defaultValue;
   if (!COMPILED) {
-    var defines = globalThis.CLOSURE_DEFINES;
+    var defines = goog.global.CLOSURE_DEFINES;
     if (defines &&
         // Anti DOM-clobbering runtime check (b/37736576).
         /** @type {?} */ (defines).nodeType === undefined &&
@@ -535,13 +544,13 @@ if (!COMPILED) {
  *
  * @param {string} name The fully qualified name.
  * @param {!Object=} opt_obj The object within which to look; default is
- *     globalThis.
+ *     goog.global.
  * @return {?} The value (object or primitive) or, if not found, null.
  * @deprecated Prefer non-reflective access.
  */
 goog.getObjectByName = function(name, opt_obj) {
   var parts = name.split('.');
-  var cur = opt_obj || globalThis;
+  var cur = opt_obj || goog.global;
   for (var i = 0; i < parts.length; i++) {
     cur = cur[parts[i]];
     if (cur == null) {
@@ -701,7 +710,7 @@ goog.cssNameMappingStyle_;
  *
  * @type {(function(string):string)|undefined}
  */
-globalThis.CLOSURE_CSS_NAME_MAP_FN;
+goog.global.CLOSURE_CSS_NAME_MAP_FN;
 
 
 /**
@@ -773,8 +782,8 @@ goog.getCssName = function(className, opt_modifier) {
 
   // The special CLOSURE_CSS_NAME_MAP_FN allows users to specify further
   // processing of the class name.
-  if (globalThis.CLOSURE_CSS_NAME_MAP_FN) {
-    return globalThis.CLOSURE_CSS_NAME_MAP_FN(result);
+  if (goog.global.CLOSURE_CSS_NAME_MAP_FN) {
+    return goog.global.CLOSURE_CSS_NAME_MAP_FN(result);
   }
 
   return result;
@@ -822,12 +831,12 @@ goog.setCssNameMapping = function(mapping, opt_style) {
  * A hook for overriding the CSS name mapping.
  * @type {!Object<string, string>|undefined}
  */
-globalThis.CLOSURE_CSS_NAME_MAPPING;
+goog.global.CLOSURE_CSS_NAME_MAPPING;
 
-if (!COMPILED && globalThis.CLOSURE_CSS_NAME_MAPPING) {
+if (!COMPILED && goog.global.CLOSURE_CSS_NAME_MAPPING) {
   // This does not call goog.setCssNameMapping() because the JSCompiler
   // requires that goog.setCssNameMapping() be called with an object literal.
-  goog.cssNameMapping_ = globalThis.CLOSURE_CSS_NAME_MAPPING;
+  goog.cssNameMapping_ = goog.global.CLOSURE_CSS_NAME_MAPPING;
 }
 
 
@@ -982,7 +991,7 @@ goog.getMsgWithFallback = function(a, b) {
  * @param {string} publicPath Unobfuscated name to export.
  * @param {*} object Object the name should point to.
  * @param {?Object=} objectToExportTo The object to add the path to; default
- *     is globalThis.
+ *     is goog.global.
  */
 goog.exportSymbol = function(publicPath, object, objectToExportTo) {
   goog.exportPath_(