listAssets method
All asset file paths in book root directory.
Implementation
Iterable<String> listAssets({bool relative = false}) {
final assets = [
if (isMultilingual)
..._filterFilesIn(
root,
(String f) => !_isIgnoreFile(f) && !ignore.isIgnored(f),
),
for (final book in books.values)
..._filterFilesIn(
book.bookPath,
(String f) => !_isIgnoreFile(f) && book.isAsset(f),
),
];
return relative ? assets.map((e) => p.relative(e, from: root)) : assets;
}