acud/lib/tree-select/src/hooks/useCache.js

acg react 组件库

"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 _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
var React = _interopRequireWildcard(require("react"));
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function _interopRequireWildcard(e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, "default": e }; if (null === e || "object" != _typeof(e) && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (var _t in e) "default" !== _t && {}.hasOwnProperty.call(e, _t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, _t)) && (i.get || i.set) ? o(f, _t, i) : f[_t] = e[_t]); return f; })(e, t); }
/**
 * 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 _a;
      var value = item.value;
      var mergedLabel = (_a = item.label) !== null && _a !== void 0 ? _a : valueLabels.get(value);
      // Save in cache
      valueLabelsCache.set(value, mergedLabel);
      return (0, _extends2["default"])((0, _extends2["default"])({}, item), {
        label: mergedLabel
      });
    });
    cacheRef.current.valueLabels = valueLabelsCache;
    return [filledValues];
  }, [values]);
};