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petja/mask_line.ts

Created August 23, 2024 12:27
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mask_line.ts
function maskLine(text: string) {
const len = text.length;
const first = text.substring(0, 1);
const first2 = text.substring(0, 2);
const last = text.substring(len - 1);
if (len < 2) return text;
if (len === 2) return first + '•';
if (len === 3) return first + '••';
return first2 + '•'.repeat(len - 3) + last;
}
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