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29 lines
835 B
29 lines
835 B
3 years ago
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/**
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* 首字母大写
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* @param {string} 字符串
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*/
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export function capitalize(word: string): Capitalize<typeof word> {
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if (!word) return word;
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return word[0].toUpperCase() + word.substr(1).toLowerCase();
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}
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export function uuid(len?: number, radix?: number): string {
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const chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz".split("");
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radix = radix ?? chars.length;
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let uuid: string[] = [];
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if (len) {
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uuid = new Array(len).fill(0).map(() => {
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return chars[0 | (Math.random() * (radix as number))];
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});
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} else {
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len = 36;
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uuid = new Array(len).fill(0).map((e, i) => {
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const r = 0 | (Math.random() * 16);
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return chars[i == 19 ? (r & 0x3) | 0x8 : r];
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});
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uuid[8] = uuid[13] = uuid[18] = uuid[23] = "-";
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uuid[14] = "4";
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}
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return uuid.join("");
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}
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