rc-tree-select/lib/hooks/useCache.js

tree-select ui component for react

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _objectSpread2 = _interopRequireDefault(require("@babel/runtime/helpers/objectSpread2"));
var React = _interopRequireWildcard(require("react"));
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != _typeof(e) && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
/**
 * This function will try to call requestIdleCallback if available to save performance.
 * No need `getLabel` here since already fetch on `rawLabeledValue`.
 */
var _default = exports.default = function _default(values) {
  var cacheRef = React.useRef({
    valueLabels: new Map()
  });
  return React.useMemo(function () {
    var valueLabels = cacheRef.current.valueLabels;
    var valueLabelsCache = new Map();
    var filledValues = values.map(function (item) {
      var _item$label;
      var value = item.value;
      var mergedLabel = (_item$label = item.label) !== null && _item$label !== void 0 ? _item$label : valueLabels.get(value);

      // Save in cache
      valueLabelsCache.set(value, mergedLabel);
      return (0, _objectSpread2.default)((0, _objectSpread2.default)({}, item), {}, {
        label: mergedLabel
      });
    });
    cacheRef.current.valueLabels = valueLabelsCache;
    return [filledValues];
  }, [values]);
};