Based on configured 'customChanges', if we are in the corresponding based path, apply the change function to the content.
The source / module path to process.
The file content which will receive changes.
The customChanges config may be present, and if it has the source path as a property, then the updateContent function will be applied to the contents.
module:common-exports
Based on configured 'customChanges', if we are in the corresponding based path, apply the change function to the content.