Add "Tools" tab with chart issue scanner

src-shared/UtilFunctions.ts

@@ -207,6 +207,27 @@ export function hasChartExtension(fileName: string) {
 	return ['chart', 'mid'].includes(getExtension(fileName).toLowerCase())
 }
 
+/**
+ * @returns `true` if `fileName` is a valid album fileName.
+ */
+export function hasAlbumName(fileName: string) {
+	return ['album.jpg', 'album.jpeg', 'album.png'].includes(fileName)
+}
+
+/**
+ * @returns `true` if `name` has a valid sng file extension.
+ */
+export function hasSngExtension(name: string) {
+	return 'sng' === getExtension(name).toLowerCase()
+}
+
+/**
+ * @returns `true` if `fileName` has a valid ini file extension.
+ */
+export function hasIniExtension(fileName: string) {
+	return 'ini' === getExtension(fileName).toLowerCase()
+}
+
 /**
  * @returns `true` if `fileName` is a valid chart fileName.
  */
@@ -246,6 +267,16 @@ export function hasAudioName(fileName: string) {
 	)
 }
 
+/**
+ * @returns true if the list of filename `extensions` appears to be intended as a chart folder.
+ */
+export function appearsToBeChartFolder(extensions: string[]) {
+	const ext = extensions.map(extension => extension.toLowerCase())
+	const containsNotes = ext.includes('chart') || ext.includes('mid')
+	const containsAudio = ext.includes('ogg') || ext.includes('mp3') || ext.includes('wav') || ext.includes('opus')
+	return containsNotes || containsAudio
+}
+
 export function resolveChartFolderName(
 	chartFolderName: string,
 	chart: { name: string; artist: string; album: string; genre: string; year: string; charter: string },