Module utils 

Structs

RomGroup

One game entry for list display: same name on the same platform (base + updates/DLC) shown once.

Functions

format_size

Human-readable file size.

format_size_with_breakdown

Human-readable total size, optionally with a per-category breakdown from Rom::files.

group_roms_by_name

Group ROMs by game name and platform; primary is the “base” file (prefer over "[Update]" / "[DLC]" tags in fs_name when present).

sanitize_filename

Make a filename safe for the local filesystem.

size_breakdown_by_category

Group a Rom’s files by category and return ordered (label, total_bytes) pairs.

truncate

Truncate a string to max chars, appending “…” if trimmed.