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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | 1x 7x 5x 3x 3x 3x 7x | /**
* SEO title helpers.
*
* Search engines (incl. Bing Site Scan) flag `<title>` text longer than ~60
* characters as "Title too long". Editorial titles can run much longer, so the
* primary fix is an editor-set `metaTitle`; this helper is the backstop that
* keeps the rendered `<title>` within budget when no `metaTitle` is provided.
*/
/** Max length of the full rendered `<title>` (including brand suffix). */
export const TITLE_MAX_LEN = 60;
/**
* Clamp a title's text to `maxLen` at a word boundary. Returns the input
* unchanged when it already fits. No ellipsis (cleaner in SERPs); trailing
* separators/punctuation left by the cut are stripped.
*/
export function clampTitleText(text: string, maxLen: number): string {
if (maxLen <= 0) return "";
if (text.length <= maxLen) return text;
const slice = text.slice(0, maxLen);
const lastSpace = slice.lastIndexOf(" ");
const cut = lastSpace > 0 ? slice.slice(0, lastSpace) : slice;
// Drop a trailing separator/punctuation/space left dangling by the cut.
return cut.replace(/[\s–—:;,.-]+$/u, "");
}
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