export default function uuid() {
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const s = [];
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const hexDigits = '0123456789abcdef';
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for (let i = 0; i < 36; i += 1) {
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s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);
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}
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s[14] = '4';
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s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1);
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const id = s.join('');
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return id;
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}
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