25 lines
971 B
JavaScript
25 lines
971 B
JavaScript
"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
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var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard").default;
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = useSingletonCache;
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var React = _interopRequireWildcard(require("react"));
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var _isEqual = _interopRequireDefault(require("rc-util/lib/isEqual"));
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/**
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* Singleton cache will only take latest `cacheParams` as key
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* and return the result for callback matching.
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*/
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function useSingletonCache() {
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const cacheRef = React.useRef([null, null]);
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const getCache = (cacheKeys, callback) => {
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const filteredKeys = cacheKeys.map(item => item instanceof HTMLElement || Number.isNaN(item) ? '' : item);
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if (!(0, _isEqual.default)(cacheRef.current[0], filteredKeys)) {
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cacheRef.current = [filteredKeys, callback()];
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}
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return cacheRef.current[1];
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};
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return getCache;
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} |