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