refactor progress

packages/marketing/src/SlugUtils.tsx

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/** @jsxRuntime automatic */
+/** @jsxImportSource hono/jsx */
+
+const whitespaceRegex = /\s+/g;
+const invalidSlugRegex = /[^\p{L}\p{N}\-._~]+/gu;
+const collapseHyphenRegex = /-+/g;
+
+export function createSlug(title: string): string {
+	const lower = title.toLowerCase();
+	const hyphened = lower.replace(whitespaceRegex, '-');
+	const cleaned = hyphened.replace(invalidSlugRegex, '-');
+	const collapsed = cleaned.replace(collapseHyphenRegex, '-');
+	const trimmed = trimHyphens(collapsed);
+	return trimmed.length === 0 ? 'article' : trimmed;
+}
+
+function trimHyphens(text: string): string {
+	let start = 0;
+	let end = text.length;
+
+	while (start < end && text[start] === '-') {
+		start += 1;
+	}
+
+	while (end > start && text[end - 1] === '-') {
+		end -= 1;
+	}
+
+	return text.slice(start, end);
+}