Repository URL to install this package:
Version:
6.0.4 ▾
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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/**
* JS Implementation of MurmurHash2
*
* @author <a href="mailto:gary.court@gmail.com">Gary Court</a>
* @see http://github.com/garycourt/murmurhash-js
* @author <a href="mailto:aappleby@gmail.com">Austin Appleby</a>
* @see http://sites.google.com/site/murmurhash/
*
* @param str ASCII only
* @return Base 36 encoded hash result
*/
function murmurhash2_32_gc(str) {
let l = str.length;
let h = l;
let i = 0;
let k;
while (l >= 4) {
k =
(str.charCodeAt(i) & 0xff) |
((str.charCodeAt(++i) & 0xff) << 8) |
((str.charCodeAt(++i) & 0xff) << 16) |
((str.charCodeAt(++i) & 0xff) << 24);
k = (k & 0xffff) * 0x5bd1e995 + ((((k >>> 16) * 0x5bd1e995) & 0xffff) << 16);
k ^= k >>> 24;
k = (k & 0xffff) * 0x5bd1e995 + ((((k >>> 16) * 0x5bd1e995) & 0xffff) << 16);
h =
((h & 0xffff) * 0x5bd1e995 +
((((h >>> 16) * 0x5bd1e995) & 0xffff) << 16)) ^
k;
l -= 4;
++i;
}
/* eslint-disable no-fallthrough */
// forgive existing code
switch (l) {
case 3:
h ^= (str.charCodeAt(i + 2) & 0xff) << 16;
case 2:
h ^= (str.charCodeAt(i + 1) & 0xff) << 8;
case 1:
h ^= str.charCodeAt(i) & 0xff;
h =
(h & 0xffff) * 0x5bd1e995 + ((((h >>> 16) * 0x5bd1e995) & 0xffff) << 16);
}
/* eslint-enable no-fallthrough */
h ^= h >>> 13;
h = (h & 0xffff) * 0x5bd1e995 + ((((h >>> 16) * 0x5bd1e995) & 0xffff) << 16);
h ^= h >>> 15;
return (h >>> 0).toString(36);
}
exports.default = murmurhash2_32_gc;
//# sourceMappingURL=murmurhash.js.map