fix: Rename Generator to CodeGenerator (#6585)

Stops collisions with ES6's Generator.
The old Blockly.Generator still exists as a name, but is now deprecated.

scripts/gulpfiles/build_tasks.js

@@ -178,7 +178,7 @@ function stripApacheLicense() {
  * For a full list of closure compiler groups, consult the output of
  * google-closure-compiler --help or look in the source  here:
  * https://github.com/google/closure-compiler/blob/master/src/com/google/javascript/jscomp/DiagnosticGroups.java#L117
- * 
+ *
  * The list in JSCOMP_ERROR contains all the diagnostic groups we know
  * about, but some are commented out if we don't want them, and may
  * appear in JSCOMP_WARNING or JSCOMP_OFF instead.  Items not
@@ -281,7 +281,7 @@ var JSCOMP_OFF = [
    * core/utils/*. We were downgrading access control violations
    * (including @private) to warnings, but this ends up being so
    * spammy that it makes the compiler output nearly useless.
-   * 
+   *
    * Once ES module migration is complete, they will be re-enabled and
    * an alternative to @package will be established.
    */
@@ -480,7 +480,7 @@ function chunkWrapper(chunk) {
     browserDepsExpr = `root.${chunk.parent.reexport}`;
     factoryArgs = '__parent__';
     namespaceExpr = `${factoryArgs}.${NAMESPACE_PROPERTY}`;
-  }    
+  }
 
   // Code to assign the result of the factory function to the desired
   // export location when running in a browser.  When

scripts/package/README.md

@@ -36,9 +36,9 @@ For samples on how to integrate Blockly into your project, view the list of samp
 ### Importing Blockly
 
 When you import Blockly with ``import * as Blockly from 'blockly';`` you'll get the default modules:
-Blockly core, Blockly built-in blocks, the JavaScript generator and the English lang files. 
+Blockly core, Blockly built-in blocks, the JavaScript generator and the English lang files.
 
-If you need more flexibility, you'll want to define your imports more carefully: 
+If you need more flexibility, you'll want to define your imports more carefully:
 
 #### Blockly Core
 

scripts/package/templates/node.template

@@ -2,4 +2,4 @@
 (function (<%= param %>){
 <%= contents %>
 module.exports = <%= exports %>;
-})(<%= cjs %>); 
+})(<%= cjs %>);

scripts/package/templates/umd-msg.template

@@ -13,4 +13,4 @@
 }(this, function() {
 <%= contents %>
 return Blockly.Msg;
-})); 
+}));

scripts/package/templates/umd.template

@@ -10,4 +10,4 @@
 }(this, function(<%= param %>) {
 <%= contents %>
 return <%= exports %>;
-})); 
+}));