Last change
on this file since 6a80231 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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Property mode
set to
100644
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File size:
549 bytes
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1 | "use strict";
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2 |
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3 | Object.defineProperty(exports, "__esModule", {
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4 | value: true
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5 | });
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6 | exports.default = rng;
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7 |
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8 | var _crypto = _interopRequireDefault(require("crypto"));
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9 |
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10 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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11 |
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12 | const rnds8Pool = new Uint8Array(256); // # of random values to pre-allocate
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13 |
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14 | let poolPtr = rnds8Pool.length;
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15 |
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16 | function rng() {
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17 | if (poolPtr > rnds8Pool.length - 16) {
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18 | _crypto.default.randomFillSync(rnds8Pool);
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19 |
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20 | poolPtr = 0;
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21 | }
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22 |
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23 | return rnds8Pool.slice(poolPtr, poolPtr += 16);
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24 | } |
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