there is a bug for this, please vote for it Display the script sources in a collapsible folder tree rather than in a list https://bugzilla.mozilla.org/show_bu

there is a bug for this, please vote for it Display the script sources in a collapsible folder tree rather than in a list https://bugzilla.mozilla.org/show_bug.cgi?id=987685 https://bugzilla.mozilla.org/show_bug.cgi?id=987685