WordPress minifies the core javascript files.  For instance it uses editor.js instead of the original source code file editor.dev.js.  You can’t just rename the .dev.js files as the minifying also changes things such as variable names.  However you can tell wordpress to use the dev.js files instead by adding this to wp-config.php (before any requires):

define(‘SCRIPT_DEBUG’, true);

Feel free to comment if you can add help to this page or point out issues and solutions you have found. I do not provide support on this site, if you need help with a problem head over to stack overflow.


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