| 1 | export function BKDRHash(str) {
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| 2 | var seed = 131;
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| 3 | var seed2 = 137;
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| 4 | var hash = 0;
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| 5 | str += 'x';
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| 6 | var MAX_SAFE_INTEGER = Math.floor(9007199254740991 / seed2);
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| 7 |
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| 8 | for (var i = 0; i < str.length; i++) {
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| 9 | if (hash > MAX_SAFE_INTEGER) {
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| 10 | hash = Math.floor(hash / seed2);
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| 11 | }
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| 12 |
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| 13 | hash = hash * seed + str.charCodeAt(i);
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| 14 | }
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| 15 |
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| 16 | return hash;
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| 17 | }
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| 18 | export function djb2hash(str) {
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| 19 | str = str.toString();
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| 20 | var hash = 5381;
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| 21 | var i = str.length;
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| 22 |
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| 23 | while (i) {
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| 24 | hash = hash * 33 ^ str.charCodeAt(--i);
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| 25 | }
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| 26 |
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| 27 | return hash >>> 0;
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| 28 | }
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| 29 | |
| \ | No newline at end of file |