fix: remediate branch review findings

src/lib/utils/spriteUrl.ts

@@ -0,0 +1,43 @@
+export function resolveSpriteUrl(
+	entry: { pokedexNumber: number; form?: string; spriteKey?: string },
+	shiny: boolean,
+	useLocalSprites: boolean
+): string {
+	const form = entry.form?.trim() ?? '';
+	const strippedNumber = String(entry.pokedexNumber).replace(/^0+/, '') || '0';
+	let key = entry.spriteKey?.trim();
+
+	if (!key) {
+		let formKey = form
+			.replace(/^female[-\s]*/i, '')
+			.replace(/\s*\(.*?\)/g, '')
+			.replace(/\s*\[.*?\]/g, '')
+			.trim();
+		if (!formKey || formKey.toLowerCase() === 'male') {
+			key = strippedNumber;
+		} else {
+			formKey = formKey
+				.toLowerCase()
+				.replace(/%/g, '')
+				.replace(/\balolan\b/g, 'alola')
+				.replace(/\bgalarian\b/g, 'galar')
+				.replace(/\bhisuian\b/g, 'hisui')
+				.replace(/\bpaldean\b/g, 'paldea')
+				.replace(/\bform(e)?$/, '')
+				.replace(/\bability$/, '')
+				.replace(/[^a-z0-9]+/g, '-')
+				.replace(/(^-|-$)/g, '')
+				.replace(/2/g, 'two')
+				.replace(/3/g, 'three')
+				.replace(/4/g, 'four');
+			key = formKey ? `${strippedNumber}-${formKey}` : strippedNumber;
+		}
+	}
+
+	let root = useLocalSprites
+		? '/sprites-small/home'
+		: 'https://raw.githubusercontent.com/jcreek/LivingDexTracker/master/static/sprites-small/home';
+	if (shiny) root += '/shiny';
+	if (/^female\b/i.test(form)) root += '/female';
+	return `${root}/${key}.webp`;
+}