1 | "use strict";
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2 |
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3 | exports.__esModule = true;
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4 | exports.default = void 0;
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5 |
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6 |
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7 |
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8 |
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9 |
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10 |
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11 | function UInt32(str, pos) {
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12 | return str.charCodeAt(pos++) + (str.charCodeAt(pos++) << 8) + (str.charCodeAt(pos++) << 16) + (str.charCodeAt(pos) << 24);
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13 | }
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14 |
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15 | function UInt16(str, pos) {
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16 | return str.charCodeAt(pos++) + (str.charCodeAt(pos++) << 8);
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17 | }
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18 |
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19 | function Umul32(n, m) {
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20 | n |= 0;
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21 | m |= 0;
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22 | const nlo = n & 0xffff;
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23 | const nhi = n >>> 16;
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24 | const res = nlo * m + ((nhi * m & 0xffff) << 16) | 0;
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25 | return res;
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26 | }
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27 |
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28 | function doHash(str, seed = 0) {
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29 | const m = 0x5bd1e995;
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30 | const r = 24;
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31 | let h = seed ^ str.length;
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32 | let length = str.length;
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33 | let currentIndex = 0;
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34 |
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35 | while (length >= 4) {
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36 | let k = UInt32(str, currentIndex);
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37 | k = Umul32(k, m);
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38 | k ^= k >>> r;
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39 | k = Umul32(k, m);
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40 | h = Umul32(h, m);
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41 | h ^= k;
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42 | currentIndex += 4;
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43 | length -= 4;
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44 | }
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45 |
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46 | switch (length) {
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47 | case 3:
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48 | h ^= UInt16(str, currentIndex);
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49 | h ^= str.charCodeAt(currentIndex + 2) << 16;
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50 | h = Umul32(h, m);
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51 | break;
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52 |
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53 | case 2:
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54 | h ^= UInt16(str, currentIndex);
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55 | h = Umul32(h, m);
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56 | break;
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57 |
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58 | case 1:
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59 | h ^= str.charCodeAt(currentIndex);
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60 | h = Umul32(h, m);
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61 | break;
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62 | }
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63 |
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64 | h ^= h >>> 13;
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65 | h = Umul32(h, m);
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66 | h ^= h >>> 15;
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67 | return h >>> 0;
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68 | }
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69 |
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70 | var _default = code => doHash(code).toString(36);
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71 |
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72 | exports.default = _default; |
\ | No newline at end of file |