1 | "use strict";
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2 |
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3 | exports.__esModule = true;
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4 | exports.default = useStableMemo;
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5 |
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6 | var _react = require("react");
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7 |
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8 | function isEqual(a, b) {
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9 | if (a.length !== b.length) return false;
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10 |
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11 | for (var i = 0; i < a.length; i++) {
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12 | if (a[i] !== b[i]) {
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13 | return false;
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14 | }
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15 | }
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16 |
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17 | return true;
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18 | }
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19 |
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20 |
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21 |
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22 |
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23 |
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24 |
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25 |
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26 |
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27 |
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28 | function useStableMemo(factory, deps) {
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29 | var isValid = true;
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30 | var valueRef = (0, _react.useRef)();
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31 |
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32 | if (!valueRef.current) {
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33 | valueRef.current = {
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34 | deps: deps,
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35 | result: factory()
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36 | };
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37 | } else {
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38 | isValid = !!(deps && valueRef.current.deps && isEqual(deps, valueRef.current.deps));
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39 | }
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40 |
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41 | var cache = isValid ? valueRef.current : {
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42 | deps: deps,
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43 | result: factory()
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44 | };
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45 |
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46 | valueRef.current = cache;
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47 | return cache.result;
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48 | } |
\ | No newline at end of file |