document Module.locateFile

Author: kripken

site/source/docs/api_reference/module.rst

@@ -85,11 +85,14 @@ The following ``Module`` attributes affect code execution.
 
 	This is the "prefix" URL for a preloaded data file that is hosted separately from its JavaScript and HTML files (it includes the full path up to, but not including, the data file). See :ref:`packaging-files-data-file-location` for more information.
 
+.. js:attribute:: Module.locateFile
+
+	If set, this method will be called when the runtime needs to load either a file generated by the file packager (this is a generalization of ``Module.filePackagePrefixURL``), or the ``.mem`` memory init file. In both cases the function receives the URL, and should return the actual URL. This lets you host file packages or the ``.mem`` file on a different location than the current directory (which is the default expectation), for example if you want to host them on a CDN.
 
 .. js:attribute:: Module.logReadFiles
 
 	If set, :js:attr:`Module.printErr` will log when any file is read.
-	
+
 
 Other methods
 =============
@@ -99,4 +102,4 @@ Other methods
 	This method should be called to destroy C++ objects created in JavaScript using :ref:`WebIDL bindings <WebIDL-Binder>`. If this method is not called, an object may be garbage collected, but its destructor will not be called.
 
 	:param obj: The JavaScript-wrapped C++ object to be destroyed.
-	
+