27 lines
781 B
JavaScript
27 lines
781 B
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.default = useKeyValueMap;
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var _react = _interopRequireDefault(require("react"));
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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/**
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* Return cached Key Value map with DataNode.
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* Only re-calculate when `flattenOptions` changed.
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*/
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function useKeyValueMap(flattenOptions) {
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return _react.default.useMemo(function () {
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var cacheKeyMap = new Map();
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var cacheValueMap = new Map(); // Cache options by key
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flattenOptions.forEach(function (dataNode) {
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cacheKeyMap.set(dataNode.key, dataNode);
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cacheValueMap.set(dataNode.data.value, dataNode);
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});
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return [cacheKeyMap, cacheValueMap];
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}, [flattenOptions]);
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} |