31 lines
1.9 KiB
JavaScript
31 lines
1.9 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.useAnimatedHashMap = useAnimatedHashMap;
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var React = _interopRequireWildcard(require("react"));
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var _reactNative = require("react-native");
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function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
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function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
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function useAnimatedHashMap(_ref) {
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let {
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routes,
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index
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} = _ref;
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const refs = React.useRef({});
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const previous = refs.current;
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const routeKeys = Object.keys(previous);
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if (routes.length === routeKeys.length && routes.every(route => routeKeys.includes(route.key))) {
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return previous;
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}
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refs.current = {};
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routes.forEach((_ref2, i) => {
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let {
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key
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} = _ref2;
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refs.current[key] = previous[key] ?? new _reactNative.Animated.Value(i === index ? 0 : i >= index ? 1 : -1);
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});
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return refs.current;
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}
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//# sourceMappingURL=useAnimatedHashMap.js.map
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