31 lines
1 KiB
TypeScript
31 lines
1 KiB
TypeScript
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export const generatePassword = (length = 10) => {
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const upper = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
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const lower = "abcdefghijklmnopqrstuvwxyz";
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const numbers = "0123456789";
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const special = "!@#$%^&*()_+[]{}<>?/|";
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// Ensure at least one from each required set
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const required = [
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upper[Math.floor(Math.random() * upper.length)],
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lower[Math.floor(Math.random() * lower.length)],
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numbers[Math.floor(Math.random() * numbers.length)],
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special[Math.floor(Math.random() * special.length)],
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];
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const allChars = upper + lower + numbers + special;
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const remainingLength = length - required.length;
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const passwordArr = [...required];
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for (let i = 0; i < remainingLength; i++) {
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passwordArr.push(allChars[Math.floor(Math.random() * allChars.length)]);
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}
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// Fisher-Yates shuffle
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for (let i = passwordArr.length - 1; i > 0; i--) {
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const j = Math.floor(Math.random() * (i + 1));
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[passwordArr[i], passwordArr[j]] = [passwordArr[j], passwordArr[i]];
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}
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return passwordArr.join("");
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};
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