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16 lines
366 B
16 lines
366 B
3 years ago
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var IDX=256, HEX=[];
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while (IDX--) HEX[IDX] = (IDX + 256).toString(16).substring(1);
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export default function (len) {
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len = len || 16;
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var str='', num=0;
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return function () {
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if (!str || num === 256) {
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str=''; num=(1+len)/2 | 0;
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while (num--) str += HEX[256 * Math.random() | 0];
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str = str.substring(num=0, len-2);
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}
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return str + HEX[num++];
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};
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}
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