mirror of https://github.com/certd/certd
43 lines
1.0 KiB
TypeScript
43 lines
1.0 KiB
TypeScript
const numbers = "0123456789";
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const letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
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const specials = "~!@#$%^*()_+-=[]{}|;:,./<>?";
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/**
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* Generate random string
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* @param {Number} length
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* @param {Object} options
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*/
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function randomStr(length, options?) {
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length || (length = 8);
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options || (options = {});
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let chars = "";
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let result = "";
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if (options === true) {
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chars = numbers + letters;
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} else if (typeof options === "string") {
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chars = options;
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} else {
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if (options.numbers !== false) {
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chars += typeof options.numbers === "string" ? options.numbers : numbers;
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}
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if (options.letters !== false) {
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chars += typeof options.letters === "string" ? options.letters : letters;
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}
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if (options.specials) {
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chars += typeof options.specials === "string" ? options.specials : specials;
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}
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}
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while (length > 0) {
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length--;
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result += chars[Math.floor(Math.random() * chars.length)];
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}
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return result;
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}
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export const RandomUtil = { randomStr };
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